A composite including: a carbonaceous material; and a solid solution including a first metal and a cerium oxide, wherein the solid solution is disposed on the carbonaceous material.

A composite including: a carbonaceous material; and a solid solution including a first metal and a cerium oxide, wherein the solid solution is disposed on the carbonaceous material.

An assembled battery includes a plurality of air cells arranged in a horizontal direction and a plurality of connection flow paths. Each air cell includes a storage portion between a positive electrode and a metal negative electrode to store an electrolysis solution. The storage portions of the respective adjacent air cells communicate with each other by the respective connection flow paths. An insulation fluid for electrically insulating the electrolysis solution in the respective adjacent air cells is sealed in the respective connection flow paths.

A method for renovation of a consumed anode in a metal-air cell without dismantling the cell according to embodiments of the present invention comprising circulating electrolyte through the cell to evacuate used slurry from the cell, circulating electrolyte with fresh slurry into the cell and allowing sedimentation of the fresh slurry inside the cell to form an anode and compacting the slurry to reduce the gaps between its particles. A meta-air cell enabling renovation of a consumed anode without dismantling the cell defining first outer face of the cell, air cathode layer adjacent the porous wall, separator wall disposed on the inner face of the air cathode layer, cell space volume to contain electrolyte and metal granules slurry, current collector layer to form an anode, made of current conductive material disposed in the space and flexible wall defining a second outer face of the cell wherein the flexible wall is adapted to be pushed towards inside of the cell subject to pressure applied to its outer face, thereby to reduce the volume of the space.

The invention relates to a method for manufacturing a portable electronic-chip-comprising object including a body and a metal-air battery that is integrated into the body, the battery comprising an electrolyte layer and a protective air-porous membrane covering the electrolyte. The method includes a step of forming at least one air-supply duct extending from the protective membrane to an air source. An air-porous material is contained in the duct and completely blocks the duct at least in one place on its course. The invention also relates to the object corresponding to this method.

The invention relates to a method for manufacturing a portable electronic-chip-comprising object including a body and a metal-air battery that is integrated into the body, the battery comprising an electrolyte layer and a protective air-porous membrane covering the electrolyte. The method includes a step of forming at least one air-supply duct extending from the protective membrane to an air source. An air-porous material is contained in the duct and completely blocks the duct at least in one place on its course. The invention also relates to the object corresponding to this method.

An electrochemical assembly module of a system for storing energy, including an assembly of a plurality of elementary gas-electrode electrochemical cells, the assembly including a plurality of lugs respectively associated with the plurality of elementary electrochemical cells, the lugs being connected together by a connecting holder and receiving terminals of the elementary electrochemical cells so that the terminals are all electrically connected to one another by the connecting holder, and a plurality of elements forming connecting clips each receiving at least two terminals of at least two elementary electrochemical cells so that the at least two terminals are electrically connected to each other by the element forming a connecting clip that is associated therewith.

A lithium-air battery includes: an anode that includes an anode material for absorbing and desorbing a lithium ion; a cathode that includes a cathode material with a catalyst for reducing the oxygen using oxygen as a cathode active material; and a solid electrolyte layer that includes a solid electrolyte interposed between the anode and the cathode. At least one of charge and discharge is performed in a presence of vapor-phase water. That is, the reduction of oxygen or an oxide is performed in the presence of the vapor-phase water. With this arrangement, the air battery can exhibit the effect of reducing the overvoltage.

A lithium-air battery includes: an anode that includes an anode material for absorbing and desorbing a lithium ion; a cathode that includes a cathode material with a catalyst for reducing the oxygen using oxygen as a cathode active material; and a solid electrolyte layer that includes a solid electrolyte interposed between the anode and the cathode. At least one of charge and discharge is performed in a presence of vapor-phase water. That is, the reduction of oxygen or an oxide is performed in the presence of the vapor-phase water. With this arrangement, the air battery can exhibit the effect of reducing the overvoltage.

There is disclosed a cartridge for a portable electronic device power system configured as a flat, prismatic, air-breathing zinc-air battery comprising (a) an anode assembly having a structural backbone, current collectors, and a gel solution comprising a mixture of amalgamated zinc powder, aqueous potassium hydroxide and a gelling agent, (b) a porous separator sheet, and (c) an air-breathing cathode having an electrode impregnated with reductive catalyst, and (d) a serialized electrical connectivity path having low ohmic resistance characteristics. More specifically, there is disclosed a prismatic format, flat rectangular disposable primary battery having two or more zinc-air batteries connected in series, wherein each zinc air battery comprises: (a) an anode assembly having a structural backbone, current collectors, and a gel solution comprising a mixture of amalgamated zinc powder, aqueous potassium hydroxide and a gelling agent, (b) a porous separator sheet, and (c) a catalytically active oxygen-reductive cathode.