Abstract: The disclosure comprises a battery holder for receiving at least one electric battery in a vehicle that includes a hollow chamber profile with a hollow chamber that is defined by a base wall and a cover wall, where the electric battery is configured for placement on the cover wall. The battery holder also includes a heat exchanger structure configured for tempering the electric battery, where the heat exchanger structure is formed within a cover wall section of the cover wall and includes at least one hollow channel that intersperses the cover wall.

Abstract: Provided is a wiring module configured to be attached to a plurality of power storage elements that are arranged side-by-side, the wiring module including a plurality of electric wires, and a plurality of coupling units in which the plurality of electric wires are routed. A left coupling unit of the plurality of coupling units has a left routing portion in which at least one of the plurality of electric wires is routed, and a center coupling unit adjacent to the left coupling unit of the plurality of coupling units has a center routing portion in which at least one of the plurality of electric wires is routed. The left routing portion is provided with a left engagement portion, and the center routing portion is provided with a center engagement receiving portion that engages with the left engagement portion.

Abstract: A battery cell (1) has electrodes (9), an electrolyte (7) and a housing (3) surrounding the electrodes (9) and the electrolytes (7). The housing (3) is composed of a plurality of housing components (11) adhesively bonded to one another by an adhesive composite (13) along opposite abutment faces (21). The adhesive composite (13) has a first adhesive composite component (15) which is interposed between the opposite abutment faces (21) and which is resistant and impermeable to the electrolyte (9); a second adhesive composite component (17) which is over regions of the two housing components (11) adjacent to the first adhesive composite component (15), and which is composed of a cured material; and a third adhesive composite component (19) which is over regions of the two housing components (11) adjacent to the second adhesive composite component (17) and which is impermeable to water and/or oxygen.

Abstract: An electrochemically active material includes silicon and a transition metal. At least 50 mole % of the transition metal is present in its elemental state, based on the total number of moles of transition metal elements present in the electrochemically active material. An electrochemically active material includes silicon and carbon. At least 50 mole % of the carbon is present in its elemental state, based on the total number of moles of carbon present in the electrochemically active material.

Abstract: A multi-layer negative electrode according to an embodiment of the present disclosure includes: a current collector configured to transmit electrons between an outer lead and a negative electrode active material; a first negative electrode mixture layer formed on one surface or both surfaces of the current collector and including a first negative electrode active material and a first binder; and a second negative electrode mixture layer formed on the first negative electrode mixture layer and including a second negative electrode active material, wherein the first negative electrode mixture layer has an electrode density of about 0.9 to 2.0 g/cc and the second negative electrode mixture layer has an electrode density of about 0.2 to 1.7 g/cc, which is a range lower than that of the electrode density of the first negative electrode mixture layer. The multi-layer negative electrode can be included in a lithium secondary battery.

Abstract: A secondary battery electrode manufacturing method comprises applying a slurry for a first layer to a current collector, applying a slurry for a second layer to the slurry for the first layer before the slurry for the first layer dries, and drying the slurries to obtain a laminated structure in which the first and second layers are laminated in this order on the current collector. A first and second binder or thickener for the respective slurries are selected such that when viscosities are measured for a first solution including solvent and the first binder or thickener dissolved in the solvent in a specific mass ratio and a second solution including a solvent and the second binder or thickener dissolved in the solvent at the same mass ratio under the same conditions, the viscosity of the first solution is higher than the viscosity of the second solution.

Abstract: Discussed is an air-cooling battery module, which includes a cell assembly having a plurality of cells and a cooling member having a duct disposed to contact an edge portion of the cell assembly and having an air passage formed therein so that a cooling air moves therethrough, wherein the inside of the duct has a truss structure.

Abstract: The present invention relates to a porous silicon-silicon oxide-carbon composite comprising a silicon oxide-carbon structure and silicon particles, wherein the silicon oxide-carbon structure comprises a plurality of micropores, and the silicon particles are uniformly distributed in the silicon oxide-carbon structure. The porous silicon-silicon oxide-carbon composite of the present invention shows decreased volume expansion due to the intercalation of lithium ions and improved electric conductivity, and has a porous structure. Accordingly, an electrolyte easily penetrates into the porous structure, and output properties may be improved. When the composite is included in a negative electrode active material, the performance of a lithium secondary battery may be further improved.

Abstract: A cell structure of the present invention includes first and second sheet shaped cells, each including a first electrode and a second electrode, and an insulating member arranged between the first and second sheet shaped cells. Here, the second electrode of the first sheet-shaped cell and the second electrode of the second sheet-shaped cell face each other. The first sheet shaped cell includes a tab portion extended on an XY plane to outside of the second sheet shaped cell and the second sheet shaped cell includes a tab portion extended on the XY plane to outside of the first sheet shaped cell. The second electrodes are connected through a tab lead arranged from the tab portion to the tab portion.

Abstract: The present invention relates to compositions including nano-particles and a nano-structured support matrix, methods of their preparation and applications thereof. The compositions of the present invention are particularly suitable for use as anode material for lithium-ion rechargeable batteries. The nano-structured support matrix can include nanotubes, nanowires, nanorods, and mixtures thereof. The composition can further include a substrate on which the nano-structured support matrix is formed. The substrate can include a current collector material.

Abstract: A modular fuel cell includes a membrane electrode assembly interposed between a pair of bipolar plates, and the membrane electrode assembly has a total active area measured in an x-y plane that is generally perpendicular to the z-axis. Each bipolar plate includes a plurality of common passages extending generally parallel to the z-axis. The total active area of the membrane electrode assembly includes a plurality of base active areas arranged co-planar in the x-y plane along an x-axis.

Abstract: A hydrocarbon-based cross-linked membrane used for the proton exchange membrane of a fuel cell, containing a cross-linked composite mediated by the sulfonate groups of SPPSU and SPOSS. Where SPPSU is represented by formula (I), where a, b, c, and d are each independently an integer of 0-4, and the total of a, b, c, and d is a rational number greater than 1 in terms of the average per repeating unit, and SPOSS is represented by formula (II), where each R is independently a hydrogen, a hydroxyl group, a straight or branched C1-20 alkyl or alkoxyl group optionally containing a substituent, or any of the above-mentioned structures, each e is independently an integer of 0-2 for R, x is an integer of 1-20, and the total number of sulfonate groups is a rational number greater than 2 in terms of the average per molecule.

Abstract: A fuel cell stack includes: a membrane electrode assembly; and first and second separators joined to each other, wherein first and third fluid groove portions face each other in a stacking direction in which the membrane electrode assembly and the first and second separators are stacked, second and fourth fluid groove portions face each other in the stacking direction, and first and second coolant groove portions face each other in the stacking direction and define a common coolant flow path.

Abstract: A fuel cell assembly according to an exemplary aspect of the present disclosure includes, among other things, a first fuel cell stack in series with a variable resistor and a second fuel cell stack in parallel with the first fuel cell stack and in series with a contactor. A resistance level of the variable resistor is adjusted in response to deactivating the contactor. A method of regulating a fuel cell assembly is also disclosed.

Abstract: A fuel cell includes: an electrolyte membrane; a fuel-side catalyst layer placed on one surface of the electrolyte membrane; an oxidant-side catalyst layer placed on another surface of the electrolyte membrane; a fuel-side gas-diffusion layer placed on a main surface of the fuel-side catalyst layer; an oxidant-side gas-diffusion layer placed on a main surface of the oxidant-side catalyst layer; a pair of separators that hold the fuel-side gas-diffusion layer and the oxidant-side gas-diffusion layer therebetween; a frame that surrounds outer peripheries of the fuel-side gas-diffusion layer and the oxidant-side gas diffusion layer; a fuel-side seal member placed on a main surface of the fuel-side gas-diffusion layer; and an oxidant-side seal member placed on a main surface of the oxidant-side gas-diffusion layer. In the fuel cell, no spaces are provided between the fuel-side gas-diffusion layer and the fuel-side catalyst layer and between the oxidant-side gas-diffusion layer and the oxidant-side catalyst layer.

Abstract: A novel chemical synthesis route for lithium ion battery applications focuses on the synthesis of a new active material using NMC (Lithium Nickel Manganese Cobalt Oxide) as the precursor for a phosphate material having a layered crystal structure. Partial phosphate generation in the layer structured material stabilizes the material while maintaining the large capacity nature of the layer structured material.

Abstract: An electrode for use in a lithium-ion battery. The electrode comprises a group IV-VI compound and a transition metal group VI compound on a three-dimensional graphene network. A major portion of the transition metal group VI compound is provided on top of the group IV-VI compound or in close proximity to it, whereby the molybdenum group VI compound contributes to the decomposition of a lithium group VI compound at the surface of the group IV-VI compound.

Abstract: A battery module includes a plurality of cylindrical battery cells; a module housing having an accommodation portion formed therein to accommodate the plurality of cylindrical battery cell; and a heat pipe having an outer wall to form a sealed tube structure. The tube structure includes a coolant therein, and the heat pipe includes a wick located to surround an inner wall of the tube structure and having a plurality of micropores formed therein. The heat pipe extends in a horizontal direction along the plurality of cylindrical battery cells. The heat pipe has a plate shape and stands so that both surfaces thereof are oriented in a horizontal direction. The battery module has improved heat balance.

Abstract: Provided is a secondary battery, specifically, a secondary battery having excellent stability and improved output characteristic and low temperature characteristic by including a cathode active material in which at least one of metals forming the cathode active material has a concentration gradient in an entire region from a central portion up to a surface portion; and a conductive material mixture in which carbon nanotube is mixed with carbon black at an appropriate ratio, the carbon black being a spherical nanoparticle.

Abstract: A fuel cell and a membrane electrode assembly used therein. The membrane electrode assembly is a three-dimensional membrane electrode assembly for fuel cell configured as a three-dimensional thin film structure in which an inner space is divided into two intertwined subvolumes by an interface, and the interface is configured as an MEA thin film and a first subvolume of the two subvolumes is provided as a channel for fuel and a second subvolume is provided as a channel for an oxidizer. The fuel cell includes a casing which accommodates the three-dimensional membrane electrode assembly therein and independently communicates with the first subvolume and the second subvolume and includes inlets and outlets for the fuel and the oxidizer.