Abstract: An electrode for a battery, comprising an active material and a metallic fabric is disclosed. The metallic fabric comprises fibers being at least partially covered by a coating of nickel or copper, which comprises a layer and a plurality of protrusions protruding from the layer. The active material is attached on the protrusions. The metallic fabric provides a high electrical conductivity and a high mechanical stability, and demonstrates outstanding performance for the use as a current collector of battery.

Abstract: A fuel cell system includes an anode configured to output an anode exhaust stream comprising hydrogen, carbon dioxide, and water; and a membrane dryer configured to receive the anode exhaust stream, remove water from the anode exhaust stream, and output a membrane dryer outlet stream. The membrane dryer includes a first chamber configured to receive the anode exhaust stream; a second chamber configured to receive a purge gas; and a semi-permeable membrane separating the first chamber and the second chamber. The semi-permeable membrane is configured to allow water to diffuse therethrough, thereby removing water from the anode exhaust stream. The membrane dryer may further be configured to remove hydrogen from the anode exhaust stream.

Abstract: An ECU calculates a surface potential of a negative electrode active material relative to a lithium reference potential, according to a battery model for calculating lithium concentration distribution inside the negative electrode active material. The ECU calculates a voltage drop amount associated with charging of a battery, using a charging current to the battery and a reaction resistance, and calculates a negative electrode potential by subtracting the voltage drop amount from the surface potential. The ECU corrects the negative electrode potential, using an SOC of the battery, an average current in a charging period of the battery, and an integrated current in the charging period.

Abstract: A fuel cell separator having high electrical conductivity is provided. A fuel cell separator including, on a substrate, an antimony-doped tin oxide film, in which the antimony-doped tin oxide film contains a poly(3,4-ethylenedioxythiophene)/polyethylene glycol (PEDOT/PEG) copolymer in a content of 15% by volume or more but 25% by volume or less is provided.

Abstract: An ionic-electronic conductive compound of Formula 1: LixA(1-x-y)MzM?(1-z)O3??(1) wherein, 0<x?0.5, 0?y?0.5, 0?z?0.5, A comprises Mg, Ca, Sr, Ba, or a combination thereof, M and M? each independently comprise As, Sb, Bi, or a combination thereof.

Abstract: A composite cathode active material including: a secondary particle including a plurality of primary particles including a lithium transition metal oxide having a layered crystal structure; and a coating layer disposed on a surface of the secondary particle and between the primary particles of the plurality of primary particles, wherein the coating layer includes a lithium cobalt composite oxide having a spinel crystal structure, and wherein the lithium cobalt composite oxide includes cobalt (Co) and a Group 2 element, a Group 12 element, a Group 13 element, or a combination thereof.

Abstract: A fuel cell system mounted in a mobile object is equipped with a bypass flow passage that establishes communication between an air compressor and an exhaust gas flow passage, and a valve that adjusts an amount of air supplied to the bypass flow passage. A control unit performs a process for increasing a flow rate of air caused to flow through the bypass flow passage, by controlling a drive amount of the air compressor and the opening degree of the valve, when an outside air temperature is equal to or lower than a threshold and a speed of the mobile object is equal to or lower than a determination speed. In the process, a flow rate of air at a first temperature that is lower than a second temperature that is equal to or lower than the threshold is larger than a flow rate of air at the second temperature.

Abstract: A main object of the present disclosure is to provide a stacked battery in which the unevenness of short circuit resistance among a plurality of cells is suppressed.

Abstract: A method for preparing a flexible membrane-free and wire-shaped fuel cell is provided. A carbon nanotube sheet is twisted and loaded with a catalyst to obtain a (CNT)@Fe3[Co(CN)6]2 cathode electrode; the carbon nanotube sheet is twisted and coated with a nickel powder to obtain a CNT@nickel particle anode electrode; and the (CNT)@Fe[Co(CN)6]2 cathode electrode, the CNT@nickel particle anode electrode, and a fuel electrolyte of H2O2 are integrated in a silicone tube to obtain a flexible membrane-free and wire-shaped fuel cell. The flexible membrane-free and wire-shaped fuel cell of the present invention can generate an open-circuit voltage of 0.88 V, while having very good flexibility, and can be woven into textiles such as clothes, thereby having great application prospects in the field of portable energy supply.

Abstract: Disclosed are methods of making porous zinc electrodes. Taken together, the steps are: forming a mixture of water, a soluble compound that increases the viscosity of the mixture, an insoluble porogen, and metallic zinc powder; placing the mixture in a mold to form a sponge; optionally drying the sponge; placing the sponge in a metal mesh positioned to allow air flow through substantially all the openings in the mesh; heating the sponge in an inert atmosphere at a peak temperature of 200 to 420° C. to fuse the zinc particles to each other to form a sintered sponge; and heating the sintered sponge in an oxygen-containing atmosphere at a peak temperature of 420 to 700° C. to form ZnO on the surfaces of the sintered sponge. The heating steps burn out the porogen.

Abstract: A battery includes a case, an internal terminal, an external terminal, and an insulator. The internal terminal includes an internal terminal base and a shaft. The internal terminal base is disposed inside the case, with the insulator interposed between the case and the internal terminal base. The external terminal includes an external terminal base and a boss. The external terminal base is disposed outside the case, with the insulator interposed between the external terminal base and the case. The boss extends from the external terminal base. The boss receives the shaft of the internal terminal therethrough. The boss is pressure-welded to the shaft of the internal terminal.

Abstract: A negative electrode for an electrochemical device includes: a negative current collector; a first negative electrode active material layer supported on a first surface of the negative current collector; and a second negative electrode active material layer supported on a second surface of the negative current collector. And capacity C1 per unit mass of the first negative electrode active material layer is greater than capacity C2 per unit mass of the second negative electrode active material layer. As a result, it is possible to provide a negative electrode suited for an electrochemical device having high capacitance, the electrochemical device being manufactured by pre-doping the negative electrode with lithium ions.

Abstract: Provided is a method of manufacturing an alkali metal-selenium cell, comprising: (a) providing a cathode; (b) providing an alkali metal anode; and (c) combining the anode and the cathode and adding an electrolyte in ionic contact with the anode and the cathode to form the cell; wherein the cathode contains multiple particulates of a selenium-containing material selected from selenium, a selenium-carbon hybrid, selenium-graphite hybrid, selenium-graphene hybrid, conducting polymer-selenium hybrid, a metal selenide, a Se alloy or mixture with Sn, Sb, Bi, S, or Te, a selenium compound, or a combination thereof and wherein at least one of the particulates comprises one or a plurality of selenium-containing material particles being embraced or encapsulated by a thin layer of an elastomer having a recoverable tensile strain from 5% to 1000%, a lithium ion conductivity no less than 10?7 S/cm, and a thickness from 0.5 nm to 10 ?m.

Abstract: A solid electrolyte is constituted by lithium phosphorus oxynitride (LiPON). A multiplication value obtained by multiplying a ratio of a peak intensity of nitrogen atoms having a single bond with one P atom and having a double bond with another P atom to a peak intensity of an N2 state in a Raman spectroscopy spectrum by a ratio of a content amount of N atoms to a content amount of P atoms is greater than or equal to 0.40.

Abstract: Electrolytes and electrolyte additives for energy storage devices comprising an anhydride compound are disclosed. The energy storage device comprises a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, an electrolyte, and at least one electrolyte additive selected from an anhydride compound.

Abstract: A zinc-air secondary battery includes an air positive electrode part, a separator, and a zinc gel negative electrode part in a case, provided with an electrolyte flow part for inducing electrolyte to flow inside the zinc gel negative electrode part. The oxygen discharging efficiency that remains in the zinc gel negative electrode part and is not smoothly discharged to the outside can be improved, and thus charging performance of the zinc-air secondary battery can be improved.

Abstract: A fuel cell module includes: a housing; a cell stack; a reformer; and an oxygen-containing gas supply section. The cell stack comprises fuel cells which are arranged along a predetermined arrangement direction, and is housed in the housing. The reformer is disposed above the cell stack in the housing. The oxygen-containing gas supply section is disposed along the predetermined arrangement direction of the fuel cells so as to face the cell stack and the reformer, and has a gas flow channel through which an oxygen-containing gas to be supplied to the fuel cell flows downwardly. Moreover, in the oxygen-containing gas supply section, the gas flow channel has a first region and a second region which is greater than the first region in flow channel width in a direction perpendicular to a direction in which an oxygen-containing gas flows, and the predetermined arrangement direction of the fuel cells.

Abstract: Provided are an electrode for a secondary battery and a manufacturing method thereof. According to the present invention, a secondary battery, which has high capacity and is also able to get an excellent evaluation in a nail penetration test so that stability is ensured, may be manufactured. In order to accomplish the above objectives, the present invention provides an electrode for a secondary battery which includes an electrode current collector; a first electrode active material layer formed on the electrode current collector; and a second electrode active material layer formed on the first electrode active material layer, wherein a layer composed of the electrode current collector and the first electrode active material layer has a tensile strain of 1.2% or less.

Abstract: A composite membrane for a lithium battery, a cathode for a lithium battery, and a lithium battery including the composite membrane. The composite membrane includes a copolymer including a first repeating unit represented by Formula 1 and a second repeating unit represented by Formula 2: wherein Ar1, R1, R2, R3, A, Y?, and m in Formula 1, and R4 to R7, a, and n in Formula 2, are the same as defined in the specification.

Abstract: The present disclosure discloses a cell module assembly receiving structure including: a cell module assembly comprising a plurality of cells; and a receiving device having an inner space capable of receiving the cell module assembly, wherein the receiving device includes a first partition wall disposed to extend from a first wall in a direction toward a second wall facing the first wall and a second partition wall disposed to extend from the second wall in a direction toward the first wall, wherein a sum of an extension length of the first partition wall and an extension length of the second partition wall is greater than or equal to a distance between the first wall and the second wall.