Abstract: An all-solid-state battery includes: a positive electrode layer including a positive electrode current collector and a positive electrode mixture layer; a negative electrode layer including a negative electrode current collector and a negative electrode mixture layer; and a solid electrolyte layer. The solid electrolyte layer is disposed between the positive electrode mixture layer and the negative electrode mixture layer. A weight per unit area of a first portion of the negative electrode mixture layer overlapping the positive electrode mixture layer on a stacking axis is greater than a weight per unit area of a second portion of the negative electrode mixture layer not overlapping the positive electrode mixture layer on the stacking axis.

Abstract: Provided is a method for manufacturing a secondary battery including a stacked electrode body including a plurality of positive electrode plates (1) and a plurality of negative electrode plates, the positive electrode plates (1) each having a positive electrode active material layer (1b) formed on a positive electrode substrate (1a), a positive electrode substrate exposed portion where the positive electrode active material layer (1b) is not formed on the positive electrode substrate (1a) being provided as a positive electrode tab portion (1e) at the end of the positive electrode plate (1). The method includes a cutout forming step of providing a cutout in a region at the base of the positive electrode plate (1) where the active material layer (1b) is formed, and a compressing step of compressing the positive electrode active material layer (1b) after the cutout forming step.

Abstract: Provided is a sulfide solid electrolyte containing lithium, phosphorus, sulfur and chlorine, in which a molar ratio of the chlorine to the phosphorus, c (Cl/P), is greater than 1.0 and 1.9 or less, the sulfide solid electrolyte includes an argyrodite-type crystal structure, and a lattice constant of the argyrodite-type crystal structure is 9.820 ? or less.

Abstract: A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution where (A) the electrolytic solution contains a solvent and an electrolyte salt, the solvent containing ethylene carbonate, (B) a content of the electrolyte salt is from 0.8 mol/kg to 2.0 mol/kg both inclusive, (C) a content of the ethylene carbonate in the solvent is from 10 wt % to 30 wt % both inclusive, (D) a ratio M2/M1 of a number M2 of moles of the ethylene carbonate to a number M1 of moles of the electrolyte salt is from 0.4 to 2.4 both inclusive, and (E) the electrolytic solution contains at least one of sulfone compounds.

Abstract: Disclosed is a solid state electrolyte comprising a compound of Formula 1 Li7?a*??(b?4)*??xMa?La3Hf2??Mb?O12?x??Xx??(1) wherein Ma is a cationic element having a valence of a+; Mb is a cationic element having a valence of b+; and X is an anion having a valence of ?1, wherein, when Ma includes H, 0???5, otherwise 0???0.75, and wherein 0???1.5, 0?x?1.5, and (a*?+(b?4)?+x)>0, 0???1.

Abstract: A laminated secondary battery that includes an electrode assembly and an electrolyte accommodated in an exterior body. In the electrode assembly, a positive and negative electrode laminate body including an electrode current collector and electrode multi-units having two or more electrode material layers formed on the electrode current collector with non-forming regions interposed between them is bent in the non-forming regions of the electrode multi-unit, and the electrode multi-units have a collector tab extended from sides adjacent to the non-forming regions among all sides defining the two or more electrode material layers in a plan view thereof before being bent.

Abstract: An impact-proofed battery includes a packaging film, an electrode assembly received in the packaging film, tabs extending from an end portion of the electrode assembly, and insulating layers. Each tab includes a connecting region, a packaging region, and an exposed region connected in the order written. The connecting region is electrically connected to the electrode assembly, and the exposed region is exposed from the packaging film. Each insulating layer includes a packaging portion and a protective portion connecting to the packaging portion. The packaging portion covers the packaging region and is between the packaging film and the packaging region. The protective portion is between the connecting region and the packaging film, and an area of the protective portion is greater than an area of the connecting region. The disclosure also provides a device using the battery.

Abstract: The present invention relates to a separator arrangement (20) for an electrochemical battery cell (10) comprising an ionically conductive and electrically insulating separator layer (22), characterized in that the separator arrangement (20) further comprises a reduction layer (24) comprising a reductant, wherein the reduction layer (24) has a specific surface area which is in a range of not less than 10 m2/g, preferably of not less than 100 m2/g, for example of not less than 1000 m2/g, and wherein the reduction layer (24) is porous and has an open porosity in a range from not less than 10% to not more than 90%, preferably from not less than 30% to not more than 70%.

Abstract: The invention provides a laminated all-solid-state battery that can increase volumetric energy density and maintain the shape of the all-solid-state battery, as well as a method for producing the laminated all-solid-state battery. The all-solid-state battery comprises a battery stack having two or more unit cells and an exterior film sealing the battery stack, wherein the battery stack has a hexahedron shape formed by a top surface and bottom surface in the stacking direction and first, second, third and fourth side walls, the exterior film is a single film covering the battery stack from the top surface and bottom surface in a manner covering the fourth side wall, and condition (i) is satisfied when collector tabs protrude from the first or third side wall or condition (ii) is satisfied when collector tabs protrude from the second side wall, as well as a method for producing the all-solid-state battery.

Abstract: Provided are membranes useful for electrochemical or fuel cells. A membrane may be formed of or include a sulfonated polymer whereby the sulfonated polymer is covalently or ionically associated with a multi-nitrogen containing heterocyclic molecule. The resulting membranes possess excellent ion conductivity and selectivity.

Abstract: Provided are stainless steel for a separator of a polymer electrolyte membrane fuel cell, which exhibits enhanced hydrophilicity and enhanced corrosion resistance, and a method of manufacturing the same. In the stainless steel for a separator of a polymer electrolyte membrane fuel cell, which exhibits enhanced hydrophilicity and enhanced corrosion resistance, according to an embodiment of the present invention, a ratio of Cr hydroxide/Cr oxide included in a passivation film of the stainless steel ranges from 0.5 to 1.7, and the passivation film has a contact angle (?) of 70° or less. Thus, not only corrosion resistance may be enhanced by removing a non-conductive film formed on a surface of the stainless steel and forming a new conductive film thereon, but hydrophilicity may also be secured without additional surface treatment such as a separate coating or the like, and thus manufacturing costs may be reduced and productivity may be increased.

Abstract: A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution containing a sulfonamide compound.

Abstract: To provide an electrolyte material having a low hydrogen gas permeability and excellent hot water resistance. An electrolyte material comprising a polymer having units represented by the following formula u1 and units based on chlorotrifluoroethylene at the specific proportion: wherein Q11 is a perfluoroalkylene group which may have an etheric oxygen atom, Q12 is a single bond or a perfluoroalkylene group which may have an etheric oxygen atom, Y1 is a fluorine atom or the like, s is 0 or 1, Rf1 is a perfluoroalkyl group which may have an etheric oxygen atom, X1 is an oxygen atom or the like, a is 0 when X1 is an oxygen, and Z+ is H+ or the like.

Abstract: A catalyst comprising a functionalized substrate having a first charged functional group, a metal dispersed on the substrate, wherein the metal comprises at least one of Pt, Rh, Pd, Ag, Au, Ni, Os, Ir, Mn, Co, alloys thereof, oxides thereof, or mixtures thereof, and an ionomer are disclosed. Methods manufacturing a functionalized catalyst comprising catalyzing a substrate with a metal, functionalizing the catalyzed substrate with a first charged functional group, and add an ionomer to the loaded functionalized catalyst are also disclosed. Also, methods comprising catalyzing a substrate with a metal, functionalizing the substrate with a first charged functional group, and adding an ionomer to the loaded functionalized catalyst are disclosed.

Abstract: A composite electrode plate of increased robustness and with better electrical properties for incorporation in a battery cell includes a composite current collector, a positive active material layer, a negative active material layer, a first isolation layer, and a second isolation layer. The composite current collector is disposed between the positive active material layer and the negative active material layer. The first isolation layer connects to a surface of the positive active material layer away from the composite current collector. The second isolation layer connects to a surface of the negative active material layer away from the composite current collector.

Abstract: Disclosed herein are electrolyte compositions comprising a fluorinated solvent, a fluorinated sulfone, at least one component selected from a borate salt, and/or an oxalate salt, and/or a fluorinated cyclic carbonate, and at least one electrolyte salt. The fluorinated solvent may be a fluorinated acyclic carboxylic acid ester, a fluorinated acyclic carbonate, a fluorinated acyclic ether, or combinations thereof. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries.

Abstract: A method for producing an all solid state battery in which an anode foil, an anode layer, a solid electrolyte layer, and a cathode layer are layered in this order, and an area of the solid electrolyte layer and the anode layer is larger than an area of the cathode layer is disclosed. The method includes a first pressing step of roll-pressing a first layered body so an adhesive force between the anode foil and the anode layer becomes 30 N/cm2 or more, to form a second layered body; a layered body forming step of forming a third layered body comprising the anode foil, the anode layer, the solid electrolyte layer, and the cathode layer, using the second layered body; and a second pressing step of roll-pressing the third layered body with a linear pressure of 1.0 t/cm or more to form a forth layered body.

Abstract: An energy storage apparatus comprising: one or more energy storage devices; and an outer covering which houses the one or more energy storage devices, wherein the outer covering has a discharge portion forming a discharge path which discharges a substance generated in an inside of the energy storage apparatus toward outside of the outer covering in a first direction, and an inner wall surface of the discharge portion includes a first wall surface inclined with respect to the first direction, and the discharge path is formed by the discharge portion such that a cross-sectional area of the discharge path increases towards an outlet side of the discharge portion.

Abstract: A secondary zinc-manganese dioxide secondary cell is disclosed. The cell includes a zinc gel anode, high manganese content cathode in either prismatic or jelly roll form. An aqueous based continuous reel to reel process for formulation and fabrication of the anode and cathode is provided. The cell is contained in a box assembly.

Abstract: Electroactive materials having a nitrogen-containing carbon coating and composite materials for a high-energy-density lithium-based, as well as methods of formation relating thereto, are provided. The composite electrode material includes a silicon-containing electroactive material having a substantially continuous nitrogen-containing carbon coating formed thereon. The method includes contacting the silicon-containing electroactive material and one or more nitrogen-containing precursor materials and heating the mixture. The one or more nitrogen-containing precursor materials include one or more nitrogen-carbon bonds and during heating the nitrogen of the one or more nitrogen-carbon bonds with silicon in the silicon-containing electroactive material to form the nitrogen-containing carbon coating on exposed surfaces of the silicon-containing electroactive material.