Abstract: This positive electrode for nonaqueous electrolyte secondary batteries is provided with a collector and a mixture layer that is formed on the collector. The mixture layer comprises: a lithium transition metal oxide that contains more than 50% by mole of Ni relative to the total number of moles of metal elements other than Li; a carbon material; a polymer compound that is soluble in N-methyl-2-pyrrolidone, while having a ring structure in each repeating unit; and a polyoxyethylene amine compound.

Abstract: A flow battery system is disclosed.

Abstract: A hydrogen generator includes a gasifier, upon receiving steam and methane, configured to convert the methane and steam into hydrogen and carbon monoxide; and a carbon trap, operatively connected to the gasifier, configured to capture carbon from the carbon monoxide and allow the hydrogen to pass therethrough. The carbon trap includes iron and a heat source.

Abstract: Disclosed are a secondary battery and a method for manufacturing the same. According to an embodiment of the present invention, there is provided a secondary battery, including: an exterior material which includes a pouch film and a sealing portion formed at an outer side of the pouch film; and an electrode assembly which includes a plurality of electrode bodies laminated with a separator interposed therebetween and are packaged by the exterior material, wherein a pair of forming portions are formed within the pouch film to house the electrode assembly, and a predetermined interval is formed between the pair of forming portions.

Abstract: A multi-layer heat insulation element for thermal insulation of a battery is proposed, with a first cover layer, with a second cover layer and with a compressible and/or pliable intermediate ply arranged between the cover layers, which has at least one heat-resistant fibre layer, wherein the fibre layer is formed from a needled nonwoven and/or wherein the cover layers are flexurally weak and the heat insulation element as a whole is compressible and flexibly pliable.

Abstract: A fuel cell system includes a fuel cell module having an inlet and an outlet. The fuel cell module receives a fuel stream including gaseous fuel and expels a depleted fuel stream. The system also includes an exhaust processing module disposed relative to the fuel cell module such that waste heat from the fuel cell module is usable by the exhaust processing module. The system is configured to direct a first portion of the depleted fuel stream to the exhaust processing module, where the depleted fuel stream includes depleted fuel and at least one gaseous byproduct including oxygen and carbon dioxide. The exhaust processing module subjects the first portion of the depleted fuel stream to co-electrolysis using the waste heat from the fuel cell module to produce a fuel-enriched stream. The system is configured to direct the fuel-enriched stream to the inlet of the fuel cell module.

Abstract: The electrode manufacturing system comprises a cutting device. The cutting device cuts an electrode material along one direction of the electrode material to manufacture electrodes. The electrode material comprises first sections and a second section. The first section includes an active material doped with alkali metal, and extends in the one direction. The second section is located between two adjacent first sections of the first sections. In the second section, the active material doped with alkali metal is absent. The cutting device cuts the second section.

Abstract: A lithium-ion secondary battery including a lithium-containing complex phosphate as a positive electrode active material is provided. Furthermore, a positive electrode active material with high diffusion rate of lithium ions is provided to provide a lithium-ion secondary battery with high output. A positive electrode active material of a lithium-ion secondary battery includes a first plate-like component and a second plate-like component, a third prismatic component between the first component and the second component, and a space between the first component and the second component.

Abstract: A high efficiency hydrogen fuel system for an aircraft at high altitude which utilizes compressors to compress air to a sufficiently high pressure for the fuel cell. Liquid hydrogen is compressed and then utilized in heat exchangers to cool the compressed air, maintaining the air at a temperature low enough for the fuel cell. The hydrogen is also used to cool the fuel cell as it is also depressurized prior to its entry in the fuel cell cycle. A water condensation system allows for water removal from the airstream to reduce impacts to the atmosphere. The hydrogen fuel system may be used with VTOL aircraft, which may allow them to fly at higher elevations. The hydrogen fuel system may be used with other subsonic and supersonic aircraft, such as with asymmetric wing aircraft.

Abstract: A battery pack having a first cell unit and a second cell unit in which multiple battery cells are connected in series is provided. When the battery pack is not connected to an electric apparatus main body, the first cell unit and the second cell unit are in a non-connection state in which the first cell unit and the second cell unit are not electrically connected to each other. The battery pack includes: a microcomputer, connected to one of the first cell unit and the second cell unit; a residual quantity display portion, connected to the microcomputer and displaying a battery residual quantity of the battery pack; and a switch, being operated by a worker. When the switch is operated while in the non-connection state, the microcomputer is configured to perform a light-on control to display the battery residual quantity by the residual quantity display portion.

Abstract: An austenitic stainless steel sheet for fuel cell separators comprises a textured structure at a surface of the stainless steel sheet, the textured structure having recessed parts and projected parts, an average height of the projected parts being 30 nm or more and 300 nm or less, and an average interval between the projected parts being 20 nm or more and 350 nm or less, wherein a ratio [Cr]/[Fe] of an atomic concentration of Cr existing in chemical form other than metal to an atomic concentration of Fe existing in chemical form other than metal at the surface of the stainless steel sheet is 1.0 or more.

Abstract: Disclosed is a slurry composition for an all-solid-state secondary battery which comprises an inorganic solid electrolyte, a binder, a basic functional group-containing compound, and a solvent, wherein an amount of the basic functional group-containing compound is 0.005 parts by mass or more and 5 parts by mass or less per 100 parts by mass of the inorganic solid electrolyte.

Abstract: The inventive negative electrode active material for a non-aqueous electrolyte secondary battery contains negative electrode active material particles which include silicon compound (SiOx: 0.5?x?1.6) particles. The negative electrode active material particles are at least partially coated with a carbon material, contain one or more selected from Li2SiO3 and Li2Si2O5, and satisfy Ib/Ia?4.8 and Ic/Ia?6.0 in an X-ray diffraction measurement using a Cu-K? line. Ia represents an intensity of a peak around 2?=28.4° attributable to Si obtained by the X-ray diffraction. Ib represents a peak intensity of a peak attributable to Li2SiO3 obtained by the X-ray diffraction. Ic represents a peak intensity of a peak attributable to Li2Si2O5 obtained by the X-ray diffraction.

Abstract: A cathode active material for a lithium secondary battery includes a lithium-aluminum-titanium oxide formed on a surface of a lithium metal oxide particle having a specific formula. The cathode active material may have an improved structural stability even in a high temperature condition.

Abstract: Electrochemical cells and methods of making electrochemical cells are described herein. In some embodiments, an apparatus includes a multi-layer sheet for encasing an electrode material for an electrochemical cell. The multi-layer sheet including an outer layer, an intermediate layer that includes a conductive substrate, and an inner layer disposed on a portion of the conductive substrate. The intermediate layer is disposed between the outer layer and the inner layer. The inner layer defines an opening through which a conductive region of the intermediate layer is exposed such that the electrode material can be electrically connected to the conductive region. Thus, the intermediate layer can serve as a current collector for the electrochemical cell.

Abstract: An air handling system for a fuel cell stack includes a pneumatic storage device disposed downstream from a compressor, a flow control valve system configured to operatively couple an inlet of the pneumatic storage device to an outlet of the compressor and configured to operatively couple an outlet of the pneumatic storage device to an inlet of the fuel cell stack, and a controller configured to, in response to a power demand being greater than a threshold, cause the flow control valve to open to increase a flow rate of air from the pneumatic storage device to the fuel cell stack.

Abstract: A sulfide-based solid electrolyte contains a nickel (Ni) element and a halogen element. For example, a sulfide-based solid electrolyte can include, with respect to 100 parts by mole of a mixture of lithium sulfide (Li2S) and diphosphorus pentasulfide (P2S5), 5 parts by mole to 20 parts by mole of nickel sulfide (Ni3S2), and 5 parts by mole to 40 parts by mole of lithium halide.

Abstract: A method for manufacturing a negative electrode for a lithium secondary battery is provided in which the method is capable of effectively performing pre-lithiation. While a negative electrode is compressed with a press, a lithium alloy layer is formed on a portion in contact with a negative electrode active material layer of upper and lower plates of the press, and a negative electrode tab is electrically connected to the press through a connection part respectively disposed on the upper and lower plates of the press, and thus, it is possible to manufacture a negative electrode for a lithium secondary battery in which the pre-lithiation of the negative electrode may be performed at time of compression even without a separate pre-lithiation process.

Abstract: A battery pack and an electric apparatus are provided. The battery pack is configured to be connectable to an electric apparatus main body of the electric apparatus. The battery pack includes: a first cell unit, including a first plurality of battery cells connected to each other, a first positive terminal, and a first negative terminal; a second cell unit, including a second plurality of battery cells connected to each other, a second positive terminal, and a second negative terminal; a microcomputer; and a casing, accommodating the first cell unit, the second cell unit, and the microcomputer. The first cell unit and the second cell unit are configured to be switched a connection state each other. The microcomputer is configured to be electrically connected to a positive terminal and a negative terminal of one of the first cell unit and the second cell unit and to be provided a power from the one of the first cell unit and the second cell unit.

Abstract: In the present disclosure, a method, an apparatus, and a system for collecting carbon using a fuel cell principle are disclosed. More specifically, the carbon capture device may comprise an air cartridge in which a gas including a carbon component is introduced; a fuel cartridge in which a fuel is injected; a fuel cell stack; a fuel supply line for supplying the fuel between the fuel cartridge and the fuel cell stack; and a controller, wherein the fuel cell stack may include: an anode unit including a fuel electrode for performing an oxidation reaction of the fuel supplied from the fuel supply line; a cathode unit including an air electrode for performing a reduction reaction of the gas introduced from the air cartridge; and an electrolyte unit including an electrolyte for transferring metal ions generated by the oxidation reaction of the fuel between the anode unit and the cathode unit. Various embodiments for collecting carbon and generating energy are disclosed.