Thu, 23 Feb 2017 08:00:00 ESTAn electrolyte including a polymer including a repeating unit represented by Formula 1 and a lithium salt. Also a lithium air battery and a method of preparing an electrolyte.
Thu, 23 Feb 2017 08:00:00 ESTA metal air battery includes at least one gas diffusion layer assembly; a positive electrode layer disposed on a surface of the at least one gas diffusion layer assembly, wherein the positive electrode layer is capable of using oxygen as an active material; a protective electrolyte membrane disposed on the positive electrode layer; and a negative electrode metal layer disposed on the protective electrolyte membrane, wherein the gas diffusion layer assembly includes a first gas diffusion layer and a second gas diffusion layer, wherein the second gas diffusion layer is disposed on a first surface and an opposite second surface of the first gas diffusion layer, and wherein a gas diffusivity of the first gas diffusion layer is greater than a gas diffusivity of the second gas diffusion layer. Also, the gas diffusion layer assembly described above, and a method of manufacturing a metal air battery including the gas diffusion layer assembly.
Thu, 23 Feb 2017 08:00:00 ESTA vehicle includes a refrigerant system having an intermediary heat exchanger, an exterior heat exchanger, and an expansion device disposed therebetween. The vehicle also includes a coolant circuit having a pump configured to circulate coolant through the intermediary heat exchanger and an engine. A controller is programmed to, in response to air conditioning being requested and the coolant temperature exceeding a threshold temperature, open the expansion device and de-energize the pump to condense refrigerant in the exterior heat exchanger.
Thu, 23 Feb 2017 08:00:00 ESTBattery heater controllers and infrastructure cabinets including battery heater controllers are disclosed. Example battery heater controllers may include an input terminal for receiving an AC input voltage, an output terminal for providing an AC output voltage to a battery heater, a thermistor for sensing an ambient temperature, and an electronic relay coupled between the input terminal and the output terminal to selectively interrupt the AC output voltage provided to the battery heater based on the ambient temperature sensed by the thermistor. Example infrastructure cabinets and methods are also disclosed.
Thu, 23 Feb 2017 08:00:00 ESTA battery module includes: a first battery cell; a second battery cell, each of the first and second battery cells having first sides and second sides, the first sides being larger than the second sides; a holder between the first battery cell and the second battery cell; and a temperature measuring unit coupled to the holder, the temperature measuring unit contacting one of the first sides of at least one of the first and second battery cells, and being configured to measure a temperature of the at least one of the first and second battery cells.
Thu, 23 Feb 2017 08:00:00 ESTA battery cell assembly includes a thin sensor assembly having a plastic sheet, first, second, third, and fourth conductive pads, first and second resistive traces, a sensing circuit, a microprocessor, and an electrical connector. The plastic sheet has a first side and a second side. The plastic sheet further having first and second sheet portions, a first connecting portion, and first, second, and third tabs. The first connecting portion is coupled to and between the first and second sheet portions. The first and second resistive traces are disposed directly on and coupled to the first and second sheet portions, respectively. The first and second conductive pads are disposed directly on and coupled to the first and second tabs, respectively, on the first side.
Thu, 23 Feb 2017 08:00:00 ESTA porous coordination polymer represented by the following formula (1), wherein, the ratio A/B of the diffraction peak intensity A of (001) plane to the diffraction peak intensity B of (110) plane is 0.8 or more and 5.8 or less, Fex(pz)[Ni1-yMy(CN)4] (1) wherein, pz=pyrazine, 0.95≦x
Thu, 23 Feb 2017 08:00:00 ESTA battery includes a first portion and a second portion, in which the first portion includes a first positive electrode layer, a first negative electrode layer, and a first solid electrolyte layer located between the first positive electrode layer and the first negative electrode layer, in which the second portion includes a second positive electrode layer, a second negative electrode layer, and a second solid electrolyte layer located between the second positive electrode layer and the second negative electrode layer, in which the first portion and the second portion are in contact with each other, the second portion is more sharply bent than the first portion, and Cp1
Thu, 23 Feb 2017 08:00:00 ESTA battery includes a positive electrode containing sulfur, a negative electrode containing a material for occluding and releasing a lithium ion, and an electrolytic solution. The electrolytic solution contains at least one of a liquid complex and a liquid salt in which a polysulfide is insoluble or almost insoluble, and a solvent in which a polysulfide is soluble. The electrolytic solution has a Li2S8 saturation sulfur concentration of 10 mM or more and 400 mM or less.
Thu, 23 Feb 2017 08:00:00 ESTThe present invention provides a nonaqueous electrolyte secondary battery configured such that a positive electrode, a negative electrode, and a nonaqueous electrolyte are accommodated in a battery case. The battery includes lithium bis(oxalato)borate (LiBOB) at least at the time of assembly of the battery. The negative electrode includes a film derived from the LiBOB and containing a boron atom (B) and a carbonate ion (CO32−). A ratio (mc/mb) of a molar content mc of the carbonate ion to a molar content mb of the boron atom is 4.89 or less. In a preferred aspect, when a molar content A of the LiBOB is A (mmol) and a remaining space volume in the battery case is V (cm3) at the time of the assembly, a ratio A/V is 0.053 or less.
Thu, 23 Feb 2017 08:00:00 ESTA phosphodiester salt is added to the electrolytic solution to form a nonaqueous electrolytic solution for a secondary battery. The nonaqueous electrolytic solution has excellent storage characteristics in a temperature load environment. Deterioration of the charge-discharge characteristics of the nonaqueous electrolytic solution and increase in internal resistance of the nonaqueous electrolytic solution are suppressed during storage. A secondary battery having a positive electrode and a negative electrode makes use of this electrolytic solution.
Thu, 23 Feb 2017 08:00:00 ESTAn electrolyte composition and a sodium secondary battery are provided. The electrolyte composition includes an alcohol compound and a metallic salt, wherein the metallic salt consists of a sodium salt formed. The sodium secondary battery includes the electrolyte composition, a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode.
Thu, 23 Feb 2017 08:00:00 ESTA sodium-ion battery includes a cathode comprising sodium; and an anode composition comprising a material having the formula: AaBbCcDdO, where A is an alkali metal, alkaline earth metal, or a combination thereof, where B is titanium, C is vanadium, D is one or more transition metal element other than titanium or vanadium, a+b+c+d≦1, a≧0, b+c>0, b≧0, c≧0, d>0, and where the material comprises a ilmenite structure, triclinic VFeO4 structure, cubic Ca5Co4(VO4)6 structure, dichromate structure, orthorhombic ∀-CoV3O8 structure, brannerite structure, thortveitite structure, orthorhombic ∃-CrPO4 structure, or the pseudo rutile structure.
Thu, 23 Feb 2017 08:00:00 ESTA flexible fuel cell power system comprising one or more fuel cell cartridges (which contain fuel cell modules) connected to a fuel cell system is provided. The components of the flexible fuel cell power system may be placed on a shared backbone with flexible joints, and may be made of flexible materials so that the entire system can be worn by a human being.
Thu, 23 Feb 2017 08:00:00 ESTAn apparatus for preventing deformation of a fuel cell stack is provided. The apparatus includes a support unit, respective ends of which are connected to first endplates of a pair of stacked fuel cell stacks. The apparatus further includes a support protrusion that protrudes from a surface of the support unit and extends through a gap between the pair of fuel cell stacks.
Thu, 23 Feb 2017 08:00:00 ESTA redox flow battery includes a battery unit, a positive electrode electrolyte tank, a negative electrode electrolyte tank, and a pressure adjustment mechanism. The battery unit includes a positive electrode, a negative electrode, and a membrane. The positive electrode electrolyte tank stores a positive electrode electrolyte to be supplied to the battery unit. The negative electrode electrolyte tank stores a negative electrode electrolyte to be supplied to the battery unit. The pressure adjustment mechanism is attached to at least one of the electrolyte tanks and adjusts the pressure of a gas phase inside the electrolyte tank. The pressure adjustment mechanism is provided with a water sealed valve which includes a storage container that stores a pressure adjusting liquid, a first exhaust tube that extends from the gas phase inside the electrolyte tank, extends through a gas phase inside the storage container, and is open to a liquid phase inside the storage container, and a second exhaust tube whose one end is open to the gas phase inside the storage container and whose other end is open to the atmosphere. The pressure adjusting liquid is a non-volatile liquid at normal temperature and normal pressure.
Thu, 23 Feb 2017 08:00:00 ESTThe present invention relates to a redox flow battery, and more particularly, to a redox flow battery which is charged and discharged by supplying a positive electrolyte and a negative electrolyte to a battery cell using an active material containing vanadium and a cation exchange membrane, in which the positive electrolyte and the negative electrolyte contain vanadium ions as active ions, the difference in volume between the positive electrolyte and the negative electrolyte is maintained at 10% or less, and the total concentration of anions in the negative electrolyte is higher than the total concentration of anions in the positive electrolyte, whereby the transfer of water in the battery is controlled and a change in the volume of the electrolytes is minimized.
Thu, 23 Feb 2017 08:00:00 ESTA biohybrid dual chamber fuel cell and method for producing sustainable electrical power from unprocessed biomass include a microbial fuel cell (MFC) for processing the biomass into a clean fuel, a direct alcohol fuel cell (DAFC) operatively connected to the microbial fuel cell for oxidizing the clean fuel to generate electrical power and a separation barrier in the form of a reverse osmosis membrane disposed intermediate the MFC and the DAFC which prevents the diffusion of impurities from the MFC into the DAFC and the return flow of oxidation by-products from the DAFC into the MFC.
Thu, 23 Feb 2017 08:00:00 ESTOne embodiment of the present invention is a unique fuel cell system. Another embodiment is a unique desulfurization system. Yet another embodiment is a method of operating a fuel cell system. Other embodiments include apparatuses, systems, devices, hardware, methods, and combinations for fuel cell systems and desulfurization systems. Further embodiments, forms, features, aspects, benefits, and advantages of the present application will become apparent from the description and figures provided herewith.
Thu, 23 Feb 2017 08:00:00 ESTIn some examples, a solid oxide fuel cell system including a solid oxide fuel cell; an ejector, wherein the ejector is configured to receive a fuel recycle stream from a fuel side outlet of the solid oxide fuel cell and also receive a primary fuel stream, wherein the ejector is configured such that the flow of the primary fuel stream draws the fuel recycle stream into the ejector and mix the fuel recycle and primary fuel stream to form a mixed fuel stream including methane and higher hydrocarbons; and a higher hydrocarbon reduction unit configured to receive the mixed fuel stream from the ejector and remove a portion of the higher hydrocarbons via a catalytic conversion process to form a reduced higher hydrocarbon fuel stream, wherein a fuel side inlet of the solid oxide fuel cell is configured to receive the reduced higher hydrocarbon fuel stream from a reduction unit.
Thu, 23 Feb 2017 08:00:00 ESTA device and method for improving stack performance of a fuel cell system are provided. The device includes a fuel cell controller that operates a stack of a normal-pressure fuel cell system. When the fuel cell controller determines that an operating state of the stack is normal and a current intake air pressure is decreased as a result of monitoring the current intake air pressure, a current output, and an exterior air temperature of the stack, the fuel cell controller increases the amount of air to be supplied into the stack by adjusting a range of a theoretical air ratio which is a theoretical ratio of an air amount to a coolant temperature in the stack.
Thu, 23 Feb 2017 08:00:00 ESTA fuel cell system (100), including a fuel cell (10), which has a cathode input (25) and a cathode output (27); a cathode supply path (24) situated upstream from the cathode input (25) and connected thereto; a cathode exhaust gas path (26) situated downstream from the cathode output (27) and connected thereto; a conveying means (32) situated in the cathode supply path (24) for conveying a cathode gas flow (GS_K) into the cathode input (25) and/or an adjustable exhaust gas throttle means (36), situated in the cathode exhaust gas path (26), for influencing a flow resistance of the cathode exhaust gas path (26); and a regulating device (46), configured to regulate the cathode gas flow (GS_K) and/or a cathode pressure (p_K) is provided. Also, a method (999) for operating a fuel cell system (100) of this type is provided.
Thu, 23 Feb 2017 08:00:00 ESTFabrication method of a fuel cell comprising the following successive steps: providing a substrate comprising: at least one membrane-electrode assembly, formed by an electrolytic membrane arranged between a first electrode and a second electrode,a first current collector arranged on the first electrode, depositing a fluoropolymer solution on the first current collector,making the solvent of the solution evaporate so as to form a porous thin layer of fluoropolymer.
Thu, 23 Feb 2017 08:00:00 ESTSolids can sometimes form in one or more electrolyte solutions during operation of flow batteries and related electrochemical systems. Over time, the solids can accumulate and compromise the integrity of flow pathways and other various flow battery components. Flow batteries configured for mitigating solids therein can include an autonomous solids separator, such as a lamella clarifier. Such flow batteries can include a first half-cell containing a first electrolyte solution, a second half-cell containing a second electrolyte solution, a first flow loop configured to circulate the first electrolyte solution through the first half-cell, a second flow loop configured to circulate the second electrolyte solution through the second half-cell, and at least one lamella clarifier in fluid communication with at least one of the first half-cell and the second half-cell. A hydrocyclone can be used as an alternative to a lamella clarifier in some instances.
Thu, 23 Feb 2017 08:00:00 ESTA dual purpose fuel cell configuration generates electricity and oxygen-depleted inert gases. The inert gaseous outflows are then applied to fuel tanks comprising electric compartments, fuel tanks, battery compartments, storage cavities, and refrigeration containers. Due to the low oxygen concentration in the generated gas, applications for these inerted gases range from fire prevention, fire suppression, and fumigation, to preservation of perishables, refrigeration, food and beverage preparation, and oxidation prevention.
Thu, 23 Feb 2017 08:00:00 ESTThe invention relates to a supply circuit of the cathode (250) of at least one electrochemical cell (200) of the PEMFC type, which further comprises a membrane (290) separating an anode (210) and said cathode (250), with this circuit comprising: a supply channel (220) comprising an inlet (282) and making it possible to convey a fluid (90) in contact with the cathode (250);a discharge channel (280) that makes it possible to remove gases from the cell,a recirculation channel (100, 100′), comprising: a first opening (102) connected to the outlet (284) of the discharge channel (280);a second opening (104) connected to the inlet (282) of the supply channel (280), by the intermediary of a connector (80);a third opening (106) and means for removing (140) that allow at least one portion of the fluid (90) to be removed from the recirculation channel by the third opening (106), the recirculation channel (100, 100′) and/or the supply channel further comprising at least one compressor (C1, C2), which makes it possible to control the flow rates and/or the proportion of the fluids to be mixed in the connector.
Thu, 23 Feb 2017 08:00:00 ESTThere is provided a frame body used for a cell of a redox flow battery, that can improve heat dissipation of an electrolyte in a slit and can suppress rise of the temperature of the electrolyte. It is a frame body used for a cell of a redox flow battery, comprising: an opening formed inside the frame body; a manifold allowing an electrolyte to pass therethrough; and a slit which connects the manifold and the opening and forms a channel of the electrolyte between the manifold and the opening, the slit having a pair of sidewalls facing each other in a cross section orthogonal to a direction in which the electrolyte flows, the slit having, at at least a portion thereof in the slit's depthwise direction, a width narrowing portion allowing the sidewalls to have a spacing narrowed in the depthwise direction.
Thu, 23 Feb 2017 08:00:00 ESTA flow cell includes a separator and anode that define a flow cavity. The flow cell also includes an electrically conductive corrugated flow screen disposed within the cavity and electrically connected with the anode such that the flow screen, during charge, provides an electric shield to hinder deposition of metal between the anode and flow screen and to promote deposition of metal between the separator and flow screen.
Thu, 23 Feb 2017 08:00:00 ESTAccording to an embodiment of the present disclosure, a method for preparing a metal bipolar plate for a fuel cell includes drying, crushing, and mixing a Fe—Cr ferrite-based steel powder with a powder of an added element selected from the group consisting of LSM((La0.80Sr0.20)0.95MnO3-x), La2O3, CeO2, and LaCrO3 to prepare a powder mixture, mixing and ball-milling the powder mixture with a solvent and binder into slurry, drying and press-forming the slurry into a pellet, cold isostatic pressing the pellet, and sintering the pellet.
Thu, 23 Feb 2017 08:00:00 ESTA gas channel forming plate includes protrusions, which extend parallel with each other, gas channels that are respectively located between each adjacent pair of the protrusions, and water channels, which are respectively formed on the back surface of each protrusion. Each protrusion includes first communication portions and second communication portions. Each first communication portion includes a first opening. Each second communication portion includes a second opening. The second communication portions of each protrusion constitute an expanding region, in which the opening area of the second opening in each second communication portion is greater than the opening area of the first opening of each first communication portion, to limit introduction of water to the water channel on the back side of the protrusion using capillary action by the second communication portions.
Thu, 23 Feb 2017 08:00:00 ESTThe present disclosure provides compositions including thermo-electro-chemical converter, methods of converting thermal energy into electrical energy, and the like. In general, embodiments of the present disclosure can be used to convert thermal energy into electrical energy by way of a chemical process.
Thu, 23 Feb 2017 08:00:00 ESTA catalyst for a fuel cell and a manufacturing method thereof are provided. The manufacturing method includes the following steps. A first mixture is mixed with a solvent to form a mixture solution, wherein the first mixture includes a nitrogen-containing precursor, a sulfur-containing precursor, a non-noble metal-containing precursor, and a carbon support. The solvent in the mixture solution is removed to form a second mixture. A thermal treatment is performed on the second mixture.
Thu, 23 Feb 2017 08:00:00 ESTA fuel cell comprises an anode, a cathode, and a solid electrolyte layer. The cathode contains a perovskite composite oxide as a main component and contains a compound that includes at least one of S and Cr as a secondary component. The cathode has a surface on the opposite side to the solid electrolyte layer. The surface of the cathode includes a first region and a second region that is positioned downstream of the first region in relation to the direction of oxidant gas flow in which the oxidant gas flows over the surface. The first region and the second region respectively contain a main phase configured by a perovskite composite oxide and a secondary phase that is configured by the compound. The occupied surface area ratio of the secondary phase in the first region is greater than the occupied surface area ratio of the secondary phase in the second region.
Thu, 23 Feb 2017 08:00:00 ESTProvided is a binder composition for secondary battery electrode-use that can be used to form a low-resistance electrode mixed material layer that enables a secondary battery to exhibit good low-temperature output characteristics and inhibits deposition of lithium dendrites and the like, and that can favorably suppress electrode expansion that is associated with repeated charging and discharging. The binder composition for secondary battery electrode-use contains: a first particulate polymer having a degree of swelling in electrolysis solution of at least 450 mass % and no greater than 700 mass %; a second particulate polymer having a degree of swelling in electrolysis solution of at least 300 mass % and no greater than 400 mass %; and water.
Thu, 23 Feb 2017 08:00:00 ESTA nickel hydrogen battery configured to suppress a decrease in battery voltage. The battery comprises a cathode containing a cathode active material, an anode containing an anode active material, and an electrolyte layer in contact with the cathode and the anode. The cathode active material contains H2NiP2O7 having a crystal structure including at least one NiO6 octahedron and at least one PO4 tetrahedron.
Thu, 23 Feb 2017 08:00:00 ESTA nonaqueous electrolyte secondary battery disclosed in the present application includes: a positive electrode capable of absorbing and releasing lithium, containing a positive electrode active material composed of a lithium-containing transition metal oxide having a layered crystalline structure; and a negative electrode capable of absorbing and releasing lithium, containing a negative electrode active material composed of a lithium-containing transition metal oxide obtained by substituting some of Ti element of a lithium-containing titanium oxide having a spinel crystalline structure with one or more element different from Ti, wherein a retention of the negative electrode is set to be greater than a retention of the positive electrode, and an irreversible capacity rate of the negative electrode is set to be greater than an irreversible capacity rate of the positive electrode, whereby a discharge ends by negative electrode limitation.
Thu, 23 Feb 2017 08:00:00 ESTComposite materials that include halloysite tubes, and methods for their preparation and use are disclosed. The composite material includes an amount of halloysite tubes having one or more oxides, one or more hydroxides, or both, on at least a surface of the halloysite tubes. The composite material can be incorporated into electrodes and electrochemical storage devices.
Thu, 23 Feb 2017 08:00:00 ESTA positive electrode active material for a non-aqueous electrolyte secondary battery, including primary particles of a lithium nickel composite oxide represented by the formula: LibNi1-x-yCoxMyO2 wherein M represents at least one element selected from Mg, Al, Ca, Ti, V, Cr, Mn, Nb, Zr and Mo; b represents a number satisfying 0.95≦b≦1.03; and x represents a number satisfying 0
Thu, 23 Feb 2017 08:00:00 ESTA lithium ion secondary battery is provided that is resistant to a decline in capacity even when subjected to repeated charge/discharge under conditions that facilitate the precipitation of lithium metal on a negative electrode surface. The herein disclosed lithium ion secondary battery has: an electrode assembly having a positive electrode and a negative electrode; and a nonaqueous electrolyte solution containing a carbonate solvent and LiPF6. A surface of the negative electrode is coated with granules each having an approximately circular base. The granules contain element hydrogen, element carbon, element oxygen, element fluorine, and element phosphorus. The average diameter of the bases of the granules is 54 nm to 158 nm.
Thu, 23 Feb 2017 08:00:00 ESTA carbon-metal oxide composite material comprising: (i) carbon-carbon composite particles in which an amorphous carbon black core is bonded to crystalline graphitic carbon shells; and (ii) a metal oxide material bonded with said carbon-carbon composite particles, wherein said metal oxide material is included in an amount of at least about 10 wt. % by weight of said carbon-carbon composite particles and metal oxide material. Alkali-ion batteries containing the above-described composite as anode are also described. Methods for producing the above-described composite are also described. The method can include, for example, subjecting pulverized rubber tire waste to a sulfonation process and pyrolyzing the sulfonated rubber to produce the carbon-carbon composite particles, as described above, followed by admixing and compounding a metal oxide material with the carbon-carbon composite particles. The method may alternatively employ a metal oxide precursor, which can be admixed with the sulfonated rubber and converted to metal oxide during pyrolysis.
Thu, 23 Feb 2017 08:00:00 ESTDisclosed is a negative electrode for an alkaline secondary battery, which can suppress elution of iron to improve the long-period storage property of the battery capacity even under conditions in which elution of iron in a substrate into an electrolyte solution tends to occur, and which can also suppress lowering of initial capacity and increase in internal resistance. Even under conditions in which the elution of iron in the substrate into an electrolyte solution tends to occur, including a case where there is a thin conductive protecting layer at the surface or where the conductive protecting layer has defects, by adding magnesium or a magnesium compound to the negative electrode for an alkaline secondary battery (excluding the case where magnesium is contained as a constituent element of a hydrogen storage alloy), the elution of iron can be suppressed, and thereby, the long-period storage property of the battery capacity can be improved and the lowering of the initial capacity and the increase in internal resistance can be suppressed.
Thu, 23 Feb 2017 08:00:00 ESTAn energy storage device having high capacity per weight or volume and a positive electrode active material for the energy storage device are manufactured. A surface of a main material included in the positive electrode active material for the energy storage device is coated with two-dimensional carbon. The main material included in the positive electrode active material is coated with a highly conductive material which has a structure expanding two-dimensionally and whose thickness is ignorable, whereby the amount of carbon coating can be reduced and an energy storage device having capacity close to theoretical capacity can be obtained even when a conduction auxiliary agent is not used or the amount of the conduction auxiliary agent is extremely small. Accordingly, the amount of carbon coating in a positive electrode and the volume of the conduction auxiliary agent can be reduced; consequently, the volume of the positive electrode can be reduced.
Thu, 23 Feb 2017 08:00:00 ESTA method for producing a galvanic element that includes the following steps: a) production of a layer sequence including, in this order, a current conductor assigned to an anode, an ion-conducting and electrically insulating separator, a cathode having lithium-containing cathode material, and a current conductor assigned to the cathode, and b) charging of the galvanic element, an anode including metallic lithium forming between the current conductor assigned to the anode and the separator during charging of the galvanic element. In addition, a battery cell including such a galvanic element, and a battery including a plurality of such battery cells, are also described.
Thu, 23 Feb 2017 08:00:00 ESTDisclosed is a negative electrode material for a lithium secondary battery, using a layer structure of porous graphene and metal oxide nanoparticles, with remarkably fast charge/discharge characteristics and long cycle life characteristics, wherein macropores of the porous graphene and a short diffusion distance of the metal oxide nanoparticles enable rapid migration and diffusion of lithium ions. The present invention may achieve remarkably fast charge/discharge behaviors and exceedingly excellent cycle life characteristics of 10,000 cycles or more even under a current density of 30,000 mA·g−1. Accordingly, the structure of the present invention may implement very rapid charge/discharge characteristics and stable cycle life characteristics while having high capacity by combining the structure with negative electrode nanostructures of the porous graphene network structure, and thereby being widely used in a variety of applications.
Thu, 23 Feb 2017 08:00:00 ESTA rechargeable battery includes an electrode assembly in a case, a terminal which passes through and protrudes from a cap plate, and a current collector plate in the case. The current collector plate electrically connects the electrode assembly and the terminal portion. The current collector plate has a fuse area which includes a fuse hole having a substantially elongated shape with round sides oriented in a widthwise direction of the current collector plate.
Thu, 23 Feb 2017 08:00:00 ESTA secondary battery includes an electrode assembly including a first electrode plate, a second electrode plate and a separator between the first electrode plate and the second electrode plate; a case accommodating the electrode assembly and having an opening; a cap plate sealing the opening of the case, the cap plate electrically connected the second electrode plate and having a short-circuit hole; an inversion plate arranged in the short-circuit hole; a first terminal plate electrically connected to the first electrode plate and spaced apart from the cap plate; and a fuse part comprising a first fuse and a second fuse spaced apart from each other in the first terminal plate.
Thu, 23 Feb 2017 08:00:00 ESTA battery system includes a first battery, a second battery, and a battery manager. The first battery is electrically connected between a first node and a second node via a first module switch in a short circuit state. The second battery is electrically insulated from the first battery by a second module switch in an open circuit state. The battery manager detects a first battery voltage of the first battery, a second battery voltage of the second battery, and a system current flowing between the first and second nodes, determines an open circuit voltage of the first battery based on the first battery voltage and the system current, and short-circuits the second module switch when the open circuit voltage is substantially equal to the second battery voltage so that the at least one second battery is connected to the at least one first battery in parallel.
Thu, 23 Feb 2017 08:00:00 ESTA secondary battery includes: an electrode assembly; a cap plate; a first terminal plate electrically connected to the electrode assembly, the first terminal plate being on the cap plate; and a current limiting plate between the first terminal plate and the cap plate, the current limiting plate including: a first surface accommodated in a first accommodation portion of the terminal plate, a second surface accommodated in a second accommodation portion of the cap plate, and a third surface extending between the first and second surfaces, wherein a first portion of the third surface is accommodated in the first accommodation portion, and a second portion of the third surface is accommodated in the second accommodation portion.
Thu, 23 Feb 2017 08:00:00 ESTA battery terminal is made of a clad material in which a first metal layer made of an Al-based alloy, a second metal layer made of a Cu-based alloy, and a third metal layer made of a Ni-based alloy are bonded to each other in a state where the first metal layer, the second metal layer, and the third metal layer are stacked in this order. The battery terminal includes a shaft portion and a flange portion that radially expands from the shaft portion, and has the third metal layer at least in an end of the shaft portion on a first side in a shaft direction in which the shaft portion extends.
Thu, 23 Feb 2017 08:00:00 ESTElectrode terminals are provided. The electrode terminal includes a copper substrate and a metal layer covering at least one surface of the copper substrate, wherein the metal layer includes greater than or equal to about 10 wt % and less than or equal to about 80 wt % of tungsten (W), and an additional metal comprising nickel (Ni), silver (Ag), gold (Au), platinum (Pt), zinc (Zn), iron (Fe), lead (Pb), tin (Sn), molybdenum (Mo), beryllium (Be), rhodium (Rh), iridium (Ir), or a combination thereof. An electro-chemical device and an electro-chemical device module including the same are also provided.