Abstract: This invention relates to a method for preparing an air electrode based on Pr2-xNiO4 with 0?x<2, comprising a step consisting in sintering a ceramic ink comprising Pr2-xNiO4 and a pore-forming agent at a temperature above 1000° C. and below or equal to 1150° C. This invention also relates to the air electrode thus obtained and its uses.

Abstract: A battery module includes a plurality of battery cells and a plurality of cell barriers. Each cell barrier is between adjacent battery cells of the plurality of battery cells and includes at least one flange. The flange has a first flange portion and a second flange portion. The first flange portion has a first sealing edge extending therefrom and overlapping a first lateral side of one of the adjacent battery cells, and the second flange portion has a second sealing edge extending therefrom and overlapping a second lateral side of another of the adjacent battery cells.

Abstract: A method and apparatus for collecting and storing the energy emitted by radioisotopes in the form of alpha and or beta particles is described. The present invention incorporates aspects of three different energy conversion and storage technologies, those being: Nuclear alpha and or beta particle capture for direct energy conversion and storage, rechargeable electrochemical storage cells and capacitive electrical energy storage.

Abstract: The invention concerns a method for manufacturing of a battery electrode material comprising the steps of: a) applying an electric field to at least one polymer, conductive particles and at least one solvent whereby said conductive particles become arranged between the electrodes in at least two lines that are oriented in the same direction as the electric field line, and b) stabilizing the at least one polymer, conductive particles and at least one solvent by removing at least some of said at least one solvent while maintaining the electric field in step a) whereby the at least two lines of conductive particles will remain in their position when said electric field is removed. Further, the invention concerns a battery electrode material comprising at least one polymer and conductive particles, wherein said conductive particles form at least two lines that are oriented parallel and/or co-linear to each other.

Abstract: This disclosure provides a positive electrode active lithium-excess metal oxide with composition LixMyO2 (0.6?y?0.85 and 0?x+y?2) for a lithium secondary battery with a high reversible capacity that is insensitive with respect to cation-disorder. The material exhibits a high capacity without the requirement of overcharge during the first cycles.

Abstract: A battery pack is disclosed. In one aspect, the battery pack includes a battery cell and a protective circuit module electrically connected to the battery cell. The protective circuit module includes a substrate and a protective device mounted on the substrate. The battery pack also includes a lower frame including an accommodation space for the battery cell and the protective circuit module and a cover coupled to the lower frame and covering at least a portion of the protective circuit module. The cover includes a protrusion protruding the lower frame and having an uneven surface and the lower frame includes a groove. The protrusion is placed in the groove and secured therein by interference fitting.

Abstract: A rechargeable battery including an electrode assembly; a terminal; and a current collector electrically connecting the electrode assembly and the terminal, the current collector including a first fuse for a first current and a second fuse for a second current, the first current being different from the second current.

Abstract: The present invention relates to a fuel cell exhibiting a high performance regardless of the humidification conditions.

Abstract: The invention relates to a battery (10) for a vehicle. Said battery comprises a plurality of battery cells (12), which are arranged in a housing (16, 18, 20) of the battery (10), and also a cooling device (22, 24) for dissipating heat from the battery cells (12). A material (32), which takes up a first volume in a basic state and takes up a volume which is greater than the first volume in an expanded state, is introduced between the housing (20) and the cooling device (22, 24). The cooling device (22, 24) is pressed against the battery cells (12) by the material (32) which has changed over to its expanded state. The invention also relates to a method for producing a battery (10) of this kind.

Abstract: A bus bar attachment device includes a bus bar placing part for placing a bus bar onto a pallet, and a pressing part for causing first and second adjacent surfaces in the bus bar placed by the bus bar supply part to press against first and second adjacent wall surfaces in a bus bar positioning part of the pallet. The bus bar is placed by the bus bar supply part in a position where the first and second surfaces face the first and second wall surfaces in the bus bar positioning part, and the first and second surfaces are pressed the pressing part against the first and second wall surfaces in the bus bar positioning part to set the position of the bus bar relative to a battery.

Abstract: A support structure is provided for a battery cell array which may include a pair of triangular prism shaped endplates having opposing parallel inner faces configured to exert a compression force on battery cells disposed therebetween and parallel outer faces not parallel with the inner faces. The support structure may also include a pair of opposing retention supports spanning between the endplates. The endplates and supports may be arranged such that the outer faces and supports define a rectangular prism. The inner faces may be oriented at an acute angle relative to at least one of the supports, and the acute angle may have a slippage angle value. Each retention support may define retention featured to orient battery cells and cell spacers such that the battery cells and spacers are parallel with the inner faces.

Abstract: An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery, the electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive represented by the following Chemical Formula 1: wherein, in Chemical Formula 1, R1 to R3 are each independently a substituted or unsubstituted C1 to C10 alkylene group, a substituted or unsubstituted C3 to C30 cycloalkylene group, a substituted or unsubstituted C6 to C30 arylene group, or a substituted or unsubstituted C2 to C30 heteroarylene group.

Abstract: A battery includes a first mechanical coupling unit and a second mechanical coupling unit. The first coupling unit includes a plurality of mechanical coupling pins (18). Each of the mechanical coupling pins (18) includes a pin head (22) and a pin shaft (20). The pin heads (22) have a greater diameter than the pin shafts (20). The second mechanical coupling unit includes a plurality of capture elements (24, 26) configured to capture heads of mechanical coupling pins of a first mechanical coupling unit.

Abstract: A power generator includes a chemical hydride multilayer fuel cell stack. A flow path extends through the fuel cell stack to provide oxygen containing air to the fuel cell stack and to cool the fuel cell stack. A hydrogen generator is coupled to the flow path to receive water vapor from ambient air introduced into the flow path and water vapor generated by the fuel cell stack and to provide hydrogen to the fuel cell stack. A controller separately controls airflow past the fuel cell stack and water vapor provided to the hydrogen generator.

Abstract: A reliable, end-to-end power supply solution for components of a telecommunications network provides either a primary source or a backup source of electrical power at various telecommunications sites for reliable operation of telecommunications equipment. One subsystem of the power supply solution includes one or more proton exchange membrane type fuel cells and an energy storage device for storing DC electrical power produced by the fuel cells. Another subsystem includes one or more microturbine generators, one or more rectifiers for converting AC electrical power produced by the microturbine generators to DC electrical power, and one or more proton exchange membrane type fuel cells for producing DC electrical power. The power supply solution ensures that voice and data traffic is reliably handled by a telecommunications network in situations where commercial electric utilities fail to supply power at certain points along the network.

Abstract: A silicon composite comprises silicon particles whose surface is at least partially coated with a silicon carbide layer. It is prepared by subjecting a silicon powder to thermal CVD with an organic hydrocarbon gas and/or vapor at 900-1,400° C., and heating the powder for removing an excess free carbon layer from the surface through oxidative decomposition.

Abstract: Provided are a binder composition which has high electrolyte resistance characteristics, and a secondary battery which uses a positive electrode using the binder composition for high-temperature cycle characteristics. [Solution] The binder composition for the secondary battery positive electrode according to the present invention contains a polymerized unit which contains a nitrile group; a polymerized unit of (meth) acrylic acid ester; a polymerized unit which contains a hydrophilic group; and a polymerized unit of linear alkylene having a carbon number of at least four. In a mixed solvent in which a volume ratio EC:DEC between ethylene carbonate (EC) and diethyl carbonate (DEC) at 20° C. is 1:2, a degree of swelling with respect to an electrolyte in which LiPF6 is dissolved to have a concentration of 1.0 mol/L is between 100% and 500%.

Abstract: The present disclosure relates to an anode active material-containing slurry, an anode using the slurry, and an electrochemical device comprising the anode. More specifically, the present disclosure relates to a slurry comprising an anode active material; a polymer binder comprising styrene butadiene rubber and potassium polyacrylate; a conductive material; and a dispersing medium, an anode using the slurry, and an electrochemical device comprising the anode. The anode active material-containing slurry according to one aspect of the present disclosure can relieve the volume expansion of an anode active material by the intercalation and disintercalation of lithium during cycles of electrochemical devices to improve the durability of an anode active material layer, thereby enhancing the life characteristics of the electrochemical devices, and can form an anode active material layer having a high peeling force even though potassium polyacrylate with a relatively lower weight-average molecular weight is used.

Abstract: An electrode mixture containing a particulate electrode active material, an electrically conductive material and a binder, wherein the electrode active material comprises a particulate core material and a coating material adhering in the form of particles or a layer to the surface of the core material, the core material is obtained by a method comprising a step of coprecipitating two or more transition metal elements, and the binder comprises a water-soluble macromolecule or a water-dispersible macromolecule or both. An electrode comprising the electrode mixture and an electrode collector. An electrode mixture paste containing the electrode mixture and water. A nonaqueous electrolyte secondary battery comprising a positive electrode, a negative electrode and an electrolyte, wherein the positive electrode is the electrode.

Abstract: A rechargeable battery includes an electrode assembly comprising a positive electrode and a negative electrode; a case accommodating the electrode assembly; and a cap assembly combined to the case and electrically connected to the electrode assembly, wherein the cap assembly comprises a first member and a second member that are electrically connected to each other, and a minute current transporting member located between the first member and the second member, the minute current transporting member having a larger resistance than the first member and the second member, and electrically connected to the first member and the second member.