Abstract: A particulate precursor compound for manufacturing a lithium transition metal oxide powder for use as an active positive electrode material in lithium-ion batteries, the precursor having the general formula NixMnyCozAaOv(OH)w, wherein 0.15<v<0.30, v+w=2, 0.30?x?0.75, 0.10?y?0.40, 0.10?z?0.40, A being a dopant with a?0.05, and x+y+z+a=1, the precursor consisting of a crystal structure having an XRD pattern with twin peaks at 2?=38±0.5°, the twin peaks having a left peak having a peak intensity IL and a right peak having a peak intensity IR, and a peak intensity ratio R=IR/IL with R>0.7, and the XRD pattern being free of peaks belonging to either one or both of a spinel and an oxyhydroxide compound.

Abstract: To reduce a manufacturing cost on anodization in an aluminum-type fuel cell case, a method of manufacturing a fuel cell case made of one of aluminum and aluminum alloy and for accommodating a fuel cell is provided, which includes forming, in a fuel cell case, through-holes for receiving pins when the fuel cell case is mounted on a vehicle, and forming alumite on a surface of the fuel cell case by anodizing the surface using the through-hole as a contact.

Abstract: A battery pack includes: a lower battery module; an upper battery module stacked vertically upwardly of the lower battery module; and a heating unit provided between the lower battery module and the upper battery module, the heating unit being configured to heat the lower battery module and the upper battery module. The heating unit includes a heating line disposed at a position closer to the lower battery module relative to the upper battery module in a stacking direction of the lower battery module and the upper battery module. According to such a configuration, there can be provided a battery pack in which temperature variation is suppressed between battery modules stacked upwardly/downwardly.

Abstract: Provided is a method for efficiently manufacturing fine metal particles applicable as a fuel cell electrode catalyst. Provided is a method of manufacturing fine metal particles, including the step of: a hydrogen bubbling step to perform bubbling to a reaction solution, wherein: the reaction solution is prepared by allowing seeds of fine metal particles in a dispersed state and a water soluble noble metal precursor to co-exist in a water-containing solvent; and the bubbling is performed with a reaction gas containing a hydrogen gas, is provided.

Abstract: The present invention is to prevent the temperature of an electric heater from being higher than or equal to a temperature at which control to reduce power consumption is started to prevent an abrupt decrease in the power consumption of the electric heater in order to secure a power consuming destination of a fuel cell. A fuel cell system 10 includes: a fuel cell 20 that receives the supply of reactant gas to generate power; a fuel cell cooling system 30 for circulating a coolant through the fuel cell 20 to cool the fuel cell 20; an electric heater 40 operated to consume power of the fuel cell 20 and driven to decrease power consumption abruptly at a temperature lower than a decomposition temperature of the coolant; and a heater cooling system 50 for circulating the coolant around the electric heater 40 to cool the electric heater 40.

Abstract: A system for humidifying a fuel cell includes: a container including an aqueous solution of hydrogen peroxide; a source of pressurized gas coupled to the container for pressurizing the hydrogen peroxide solution container; and a catalyst reaction chamber including a catalyst for decomposing hydrogen peroxide into a gaseous mixture of water vapor and oxygen. The gaseous mixture of water vapor and oxygen is combined with a flow of reactant oxidant gas to obtain a humidified oxidant gas stream, which is delivered to the fuel cell.

Abstract: A rechargeable battery includes an electrode assembly including first and second electrodes, a case in which the electrode assembly is accommodated, a cap plate combined to an opening of the case, the cap plate including a first terminal hole and a second terminal hole, a first electrode terminal passing through the first terminal hole of the cap plate and a second electrode terminal passing through the second terminal hole of the cap plate, and a lead tab connecting the electrode assembly to the second electrode terminal. The second electrode terminal includes a press-fit portion protruding therefrom, the press-fit portion being press-fitted to the second terminal hole of the cap plate.

Abstract: A rechargeable battery includes: a case accommodating an electrode assembly; a cap plate closing and sealing an opening of the case; an electrode terminal including a rivet terminal being coupled to the electrode assembly and extending through a terminal opening in the cap plate, and a plate terminal being at an outer surface of the cap plate and coupled to the rivet terminal; and an insulating member electrically insulating the electrode terminal from the cap plate, the insulating member including a first insulator and a second insulator. The first insulator being between the cap plate and the plate terminal at an outer periphery of the rivet terminal, and the second insulator being coupled to the first insulator at an outer periphery of the first insulator and between the cap plate and the plate terminal.

Abstract: Provided is a metal mesh foil for a current collector of a lithium secondary battery having a hydrophobic deposition layer formed on a surface thereof, wherein the hydrophobic deposition layer is a deposition layer, in which a hydrophobic material is deposited, and has a thickness of 1 ? to 100 ?.

Abstract: A battery includes a housing, at least one individual cell arranged in the housing and including at least one positive electrode and at least one negative electrode, a positive pole stud passed through the housing and electrically connected to the at least one positive electrode and/or a negative pole stud passed through the housing and electrically connected to the at least one negative electrode, at least one electrical switch which can be pneumatically operated and changes its switching state in the event of an increase in pressure within the housing beyond a threshold value and thereby interrupts the electrical connection between at least one of the pole studs and an associated at least one electrode, and a resetting device with which an electrical connection which is interrupted as a result of a change in the switching state can be re-established without the housing having to be opened.

Abstract: A method of manufacturing a lithium-air secondary battery is provided. The method includes preparing molybdenum oxide and a carbon structure, pulverizing and mixing the molybdenum oxide and the carbon structure by performing a ball-milling process on the molybdenum oxide and the carbon structure, and manufacturing molybdenum carbide by carburizing the molybdenum oxide with the carbon structure.

Abstract: A lithium ion-conductive solid electrolyte including a freestanding inorganic vitreous sheet of sulfide-based lithium ion conducting glass is capable of high performance in a lithium metal battery by providing a high degree of lithium ion conductivity while being highly resistant to the initiation and/or propagation of lithium dendrites. Such an electrolyte is also itself manufacturable, and readily adaptable for battery cell and cell component manufacture, in a cost-effective, scalable manner. An automated machine based system, apparatus and methods assessing and inspecting the quality of such vitreous solid electrolyte sheets, electrode sub-assemblies and lithium electrode assemblies can be based on spectrophotometry and can be performed inline with fabricating the sheet or web (e.g., inline with drawing of the vitreous Li ion conducting glass) and/or with the manufacturing of associated electrode sub-assemblies and lithium electrode assemblies and battery cells.

Abstract: According to one embodiment, a battery module includes a plurality of batteries and a module housing. The module housing accommodates the plurality of batteries. The module housing is configured by connecting a plurality of cases in a first direction. At least one of the plurality of cases includes a vacuum pad adsorption region which is on an end surface in a second direction intersecting the first direction and on which a vacuum pad is adsorbable.

Abstract: A fuel cell system that includes a component for removing anionic contaminants is provided. The fuel system including a fuel cell stack, a fuel gas feed subsystem in communication with fuel cell anodes in the fuel cell stack, an oxygen-containing gas feed subsystem system in communication with fuel cell cathodes in the fuel cell stack, and an anionic scavenging subsystem in communication with the fuel gas feed subsystem and/or the an oxygen-containing gas feed subsystem.

Abstract: A fuel cell system comprises: a fuel cell; a cooling system circuit including a cooling liquid supply path configured to supply a cooling liquid to the fuel cell, a radiator configured to cool down the cooling liquid, a radiator fan, and a cooling liquid pump provided in the cooling liquid supply path to feed the cooling liquid to the fuel cell; a controller; and a speedometer configured to obtain a speed of the fuel cell vehicle, wherein the controller is capable of performing a first cooling control that sets an upper limit value of driving amount of the radiator fan according to the speed of the fuel cell vehicle and regulates a flow rate of the cooling liquid pump or the driving amount of the radiator fan under the upper limit value of the driving amount of the radiator, so as to cool down the fuel cell.

Abstract: Some embodiments are directed to a dual activation mode thermal battery for powering a load. The thermal battery can include a first power source activable upon receiving mechanical energy. The thermal battery can also include a second power source activable through one of the electrical power produced by the first power source and external electrical stimuli, the second power source is configured to, upon activation provide a voltage for powering the load, wherein the first power source and the second power source are thermally and electrically isolated and the initiator thermal energy output from one initiator is prevented from initiating the other power source directly.

Abstract: A sulfur tolerant anode current collector material includes a mesh or foam that includes a cermet. The cermet includes a metallic component and a ceramic component. The metallic component includes nickel, an alloy including nickel and cobalt, or a mixture including a nickel compound and a cobalt compound. The ceramic component includes a mixed conducting electrolyte material.

Abstract: A method for reducing fuel cell voltage loss in a fuel cell that includes an anode catalyst layer including an anode catalyst and a cathode catalyst layer including a cathode catalyst with a proton exchange layer interposed between the anode catalyst layer and the cathode catalyst layer. The method includes a step of initiating shutdown of the fuel cell. Carbon monoxide or carbon monoxide-like species contaminating the anode catalyst is oxidized during shutdown such that carbon monoxide or carbon monoxide-like species is removed from the anode catalyst.

Abstract: A method of producing a separator is provided. The method includes providing a particle membrane including inorganic particles on at least one principal surface of a porous body by a vapor-phase process such that the particle membrane has a porosity that is non-uniform in a thickness direction thereof. A method of producing a microporous membrane is also provided.

Abstract: An object is to improve the durability of a seal member such as a gasket. A bottom 23 is a seal surface that comes into contact with a gasket 40 placed between the bottom 23 and an adjacent cell. A cooling water manifold 411 is a flow path for cooling water that is formed to pass through a separator for fuel cell in its thickness direction. A flange 24 is protruded from one surface of a first separator in the thickness direction to surround part of the cooling water manifold 411. An area between respective ends T1 and T2 of the flange 24 is an opening K that forms a flow path in an in-plane direction of the first separator. An inclined surface 22 located on a limit line RL of the flange 24 is formed to face the gasket 40, in order to limit the move of the gasket 40 in an adjacent cell. At the end T1 located on the limit line RL, a surface opposed to the gasket 40 is covered by a protective film 70 for protecting the gasket.