Abstract: A composite anode for a solid oxide fuel cell (SOFC), comprising an anode support layer (ASL) of Ni—YSZ and an anode functional layer (AFL) of Ni—GDC, displays enhanced mechanical stability and similar or improved electrical efficiency to that of a Ni—GDC ASL for otherwise identical SOFCs. A SOFC employing the composite anode can be used for power generation at temperatures below 700° C., where the composite anode may include a second AFL of GDC disposed between the Ni—GDC layer and a GDC electrolyte.

Abstract: An electrode for lithium ion batteries, the electrode having a metal film which is inert to lithium ions and having a plurality of silicon nanowires protruding from the film, which are arranged on at least one flat side of the film, wherein sections of the nanowires are enclosed by the metal film.

Abstract: The present invention relates to an electrolyte solution comprising at least one solvent as component A, at least one electrolyte as component B and from 0.1 to 20% by weight, based on the total electrolyte solution, of at least one heteroaromatic compound of the general formula (I) as component C, the use of such a compound in electrolyte solutions, the use of such an electrolyte solution in an electrochemical cell or for metal plating, and also electrochemical cells comprising a corresponding electrolyte solution.

Abstract: A secondary battery includes a circuit board including a first connection pad and a second connection pad; a first electrode layer on the circuit board and including a first electrode portion and a first tab portion connected to the first connection pad; a separator on the first electrode layer; and a second electrode layer on the separator and including a second electrode portion and a second tab portion connected to the second connection pad.

Abstract: A secondary battery including an electrode assembly including a first electrode plate, a second electrode plate, and a separator between the first and second electrode plates, a case configured to accommodate the electrode assembly, and a cap assembly configured to seal the case and including a cap plate having a short-circuit opening, a reversible plate at the short-circuit opening, an insulation member on the cap plate and including an open part at a side, and a short-circuit plate configured to be inserted into and coupled to the open part for covering the short-circuit opening.

Abstract: Provided is a fuel cell capable of maintaining an interface pressure in good condition between a membrane electrode assembly and separators, and preventing an increase in contact resistance. A fuel cell is disclosed including: a membrane electrode assembly provided with a frame at a periphery thereof; two separators holding both the frame and the membrane electrode assembly therebetween; and a gas seal provided between an edge portion of the frame and an edge portion of each separator to have a configuration in which a reactant gas passes through the frame and the membrane electrode assembly and the separators, wherein the frame and the separators are not in contact with and separated from each other in a region between the membrane electrode assembly and the gas seal.

Abstract: Provided is a cable-type secondary battery extending longitudinally including a lithium ion supplying core comprising an electrolyte, an inner electrode support of a hollow structure formed to surround an outer surface of the lithium ion supplying core, an inner electrode formed on a surface of the inner electrode support and including an inner current collector and an inner electrode active material, a separation layer formed to surround an outer surface of the inner electrode to prevent a short circuit between electrodes, and an outer electrode formed to surround an outer surface of the separation layer and including an outer electrode active material layer and an outer current collector.

Abstract: Embodiments described herein relate generally to electrochemical cells having high rate capability, and more particularly to devices, systems and methods of producing high capacity and high rate capability batteries having relatively thick semi-solid electrodes. In some embodiments, an electrochemical cell includes an anode, a semi-solid cathode that includes a suspension of an active material and a conductive material in a liquid electrolyte, and an ion permeable membrane disposed between the anode and the cathode. The semi-solid cathode has a thickness in the range of about 250 ?m-2,500 ?m, and the electrochemical cell has an area specific capacity of at least 5 mAh/cm2 at a C-rate of C/2.

Abstract: Provided is a battery pack that can uniformly cool a plurality of electric cells, prevent a breakdown of the electric cells, and provide high performance of all electric cells. The battery pack includes a packaging case in which: each adjacent ones of a plurality of electric cells in the first direction define a ventilation space; first and second passages are defined that extend in the first direction and that are arranged to have the plurality of electric cells located between the first and second passages in a second direction intersecting the first direction, wherein gas supplied to the first passage flows through the ventilation spaces to the second passage; and a flow rate limitation device is provided that is arranged in an upstream area of the first passage and that limits a flow rate of the gas flowing through one of the plurality of ventilation spaces, which leads to the upstream area of the first passage, to a predetermined flow rate.

Abstract: A lithium secondary battery including lithium molybdate. The lithium molybdate is a composite including semi-crystalline lithium molybdate as a minor component and crystalline lithium molybdate as a major component.

Abstract: Provided is a gas diffusion layer for a fuel cell, wherein a reactive gas passage groove for distributing a reactive gas is formed in one principal surface of the gas diffusion layer, and a reinforcing member is provided along the reactive gas passage grooves. Thus, the deformation of the gas diffusion layer due to a fastening pressure can be suppressed to improve the power generation performance.

Abstract: A battery module includes: a plurality of connecting members electrically connecting electric terminals of adjacent electric cells; and a flexible flat cable formed by flatly encapsulating an outer circumference of a flat conductor with an insulating resin and joining the plurality of connecting members. Portions of the flexible flat cable to be disposed between adjacent connecting members are provided with folded portions formed by folding the flexible flat cable at folded lines. The folded lines extend in a direction crossing a longitudinal direction of the flexible flat cable.

Abstract: Embodiments described herein relate generally to electrochemical cells having high rate capability, and more particularly to devices, systems and methods of producing high capacity and high rate capability batteries having relatively thick semi-solid electrodes. In some embodiments, an electrochemical cell includes an anode, a semi-solid cathode that includes a suspension of an active material and a conductive material in a liquid electrolyte, and an ion permeable membrane disposed between the anode and the cathode. The semi-solid cathode has a thickness in the range of about 250 ?m-2,500 ?m, and the electrochemical cell has an area specific capacity of at least 5 mAh/cm2 at a C-rate of C/2.

Abstract: A rechargeable battery including: an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case accommodating the electrode assembly; a cap plate covering an opening of the case; a first electrode terminal arranged on the cap plate, electrically connected to the cap plate, and connected to the first electrode; and a second electrode terminal arranged on the cap plate, insulated from the cap plate, and connected to the second electrode, the first electrode terminal including a terminal plate connected to the first electrode and exposed to an outside of the cap plate, and a top plate electrically connecting the terminal plate and the cap plate, and having an electrical resistance greater than an electrical resistance of the terminal plate.

Abstract: An apparatus for producing hydrogen from an electrolyte solution, in particular an aqueous solution, is described. The apparatus includes a hydrogen-developing body having an electrolyte-contacting surface. The electrolyte-contacting surface of the hydrogen-developing body includes regions formed from magnesium, Mg, zinc, Zn, aluminium, Al, or alloys thereof alternating with regions formed from ferrum, Fe, or a ferrous alloy, Fe alloy. The apparatus may further include means for accumulating hydrogen which has developed on the surface of the body.

Abstract: The present invention relates to an electrolyte solution comprising at least one solvent as component A, at least one electrolyte as component B and from 0.1 to 20% by weight, based on the total electrolyte solution, of at least one heteroaromatic compound of the general formula (I) as component C, the use of such a compound in electrolyte solutions, the use of such an electrolyte solution in an electrochemical cell or for metal plating, and also electrochemical cells comprising a corresponding electrolyte solution.

Abstract: A self-contained fuel system for use with a high temperature fuel cell is described to address containment of carbon dioxide evolution. The system utilizes a slurry containing calcium carbide and calcium hydride that is pumped into a water reservoir. The resulting hydrolysis reaction generates acetylene, hydrogen and water-soluble calcium hydroxide. The acetylene and hydrogen are catalytically converted to synthesis gas, which is used by a fuel cell to generate electricity. Carbon dioxide exhaust from the fuel cell is reacted with calcium hydroxide to form a storable solid, calcium carbonate.

Abstract: A negative electrode for a lithium ion secondary battery and a lithium ion secondary battery, the negative electrode including a multilayer film, the multilayer film having three or more layers on a metal base, wherein the multilayer film includes one or more porous layers.

Abstract: A separator for a fuel cell is provided and may include a plurality of linearly extending protrusions and a plurality of flat walls alternately arranged with the plurality of linearly extending protrusions. Each protrusion is defined by a top wall and a pair of side walls and the linearly extending protrusions are parallel to each other. In addition, a gas passage forming groove is defined between each adjacent pair of linearly extending protrusions, a belt-like groove is provided on an inner surface of each flat wall that faces the corresponding gas passage forming groove, and an inclination angle is set with respect to each flat wall and corresponding side walls.

Abstract: A prismatic sealed secondary cell that is excellent in current collection efficiency and current collection stability, and capable of high output discharge. In the prismatic sealed secondary cell a laminate-type or a wound laminate-type flat electrode assembly is housed in a prismatic cell case, a pair of current collector plates are disposed on a flat portion of the outermost surface of the core exposed portion of the first electrode plate constituting the flat electrode assembly so that the pair of current collector plates sandwich the flat portion in the thickness direction, and a columnar connection conductive member is interposed between two-divided core exposed portion laminates in the flat portion sandwiched between the pair of current collector plates, and the pair of current collector plates, the columnar connection conductive member and the two-divided core exposed portion laminates are welded to each other.