Abstract: A method of forming batteries includes feeding a foil through a coating machine. The movement of the foil defines a foil direction. The method applies a first coating band and a second coating band to the foil. The second coating band is spaced from the first coating band by a first tab gap. The foil is cut substantially perpendicular to the foil direction to separate a first coated blank. The first coated blank is cut separate the first coating band and a first portion of the first tab gap, and to separate the second coating band and a second portion of the first tab gap. A first electrode is formed from the first coating band and the first portion of the first tab gap, and a second electrode is formed from the second coating band and the second portion of the first tab gap.

Abstract: In an embodiment, a metal-ion battery cell comprises an anode electrode, a cathode electrode, a separator, and electrolyte ionically coupling the anode electrode and the cathode electrode. The anode electrode is a high-capacity electrode (e.g., in the range of about 2 mAh/cm2 to about 10 mAh/cm2). The electrolyte includes a solvent composition, the solvent composition including low-melting point (LMP) solvent(s) in the range from about 10 vol. % to about 80 vol. % of the solvent composition as well as regular-melting point (RMP) solvent(s) in the range from about 20 vol. % to about 90 vol. % of the solvent composition.

Abstract: The invention includes mixing gas or solid particulate fuel in a conduit segment that houses a mixing chamber. Fuel is fed through a fuel inlet port into the mixing chamber. High velocity combustion air from a blower is forced into the mixing chamber through a restricted orifice that generates a suction pressure for drawing gas or solid particulate fuel into the mixing chamber. A combustion chamber supply conduit delivers fuel from the mixing chamber into a burner.

Abstract: The present application provides a wound electrode assembly, comprising a first and second electrode plates having a first and second current collectors respectively, the first electrode plate has an empty foil segment having an area where the first electrode plate is bent for the first time, and the second electrode plate has a second head segment; the second current collector in the second head segment is coated with active substance on both sides, and projections of a starting end and an ending end of the empty foil segment in a thickness direction fall on the second head segment. The purpose of the present application is to provide a wound electrode assembly to effectively avoid lithium dendrite while improving the utilization of the battery material and the energy density of the battery, thereby improving the safety performance of the battery.

Abstract: Provided is a method for producing a non-aqueous electrolyte secondary battery. A negative electrode core of a negative electrode plate has front and back surfaces each with a surface roughness different from the other Rz. In a wound electrode body, a wound negative electrode core-exposed portion is formed at one end portion in the winding axis direction. In the wound negative electrode core-exposed portion, the surface roughness of the negative electrode core-exposed portion on the outer surface side is lower than the surface roughness on the inner surface side. A negative electrode current collector is placed on the outer surface of the wound negative electrode core-exposed portion and the negative electrode current collector is resistance-welded to the wound negative electrode core-exposed portion.

Abstract: An anode can include: an electrode substrate; a first region of the substrate having a catalyst composition located thereon, wherein the catalyst composition includes an inorganic or metallic catalyst; and a second region of the substrate having an enzyme composition located thereon, wherein the combination of the catalyst composition and enzyme composition converts a fuel reagent to carbon dioxide at neutral pH. The first region and second region can be separate regions. The catalyst of the catalyst composition can include gold nanoparticles. The catalyst can include an inorganic or metallic catalyst selected from vanadium oxide, titanium (III) chloride, Pd(OAc)2, MnO, zeolite, alumina, graphitic carbon, palladium, platinum, gold, ruthenium, rhodium, iridium, or combinations thereof. The catalyst can be nanoparticle, nanorod, nanodot, or combination thereof. The catalyst can have sizes that range from about 10 to 20 nm.

Abstract: The present application provides an electrode assembly including a first electrode sheet including a first current collector and a first active substance layer arranged on the surface of the first current collector; the first electrode sheet includes a first section and a second section; both surfaces of the first section is applied with the first active substance layer while one surface of the second section is applied with the first active substance layer; the second section is electrically connected to the first section, and the first section is closer to a starting end of the first electrode sheet than the second section is; wherein the second section includes a first bending section, and the first bending section is a region where the first electrode sheet is bent for the first time. Thereby, the risk of lithium decomposition of the battery is reduced, and the life is prolonged.

Abstract: A cathode can include: an electrode substrate; a porphyrin precursor attached to the substrate; and an enzyme coupled to the electrode substrate to be associated with the porphyrin precursor, the enzyme reduces oxygen. The cathode can include a conductive material associated with the porphyrin precursor and/or the enzyme. The cathode can include 1-pyrenebutanoic acid, succinimidyl ester (PBSE) associated with the porphyrin precursor and/or the enzyme and/or the conductive material. The cathode can include 2,5-dimethyl-1-phenyl-1H-pyrrole-3-carbaldehyde (DMY-Carb) associated with the 1-pyrenebutanoic acid, succinimidyl ester (PBSE) and/or the porphyrin precursor and/or the enzyme and/or the conductive material. The porphyrin precursor is attached to the substrate through covalent coupling.

Abstract: The invention is directed to a method for heating a process gas in a top or bottom fired reformer, a method for improving the temperature spread over a top or bottom fired reformer, and to a top or bottom fired reformer wherein these methods can applied. This can be achieved by the lane flow rate of at least one outer tube lane being different from the lane flow rate of at least one inner tube lane.

Abstract: An object of the present invention is to provide a positive electrode material for a nonaqueous electrolyte secondary battery, which is capable of inhibiting the gelation of a positive electrode composite material paste without decreasing the charge and discharge capacity and the output characteristics, when used as a positive electrode material for batteries. The positive electrode active material for a nonaqueous electrolyte secondary battery comprises a mixture containing a lithium metal composite oxide represented by a general formula LiaNi1-x-y-zCoxMnyMzO2 (wherein, 0.03?x?0.35, 0?y?0.35, 0?z?0.05, 0.97?a?1.30, and M is at least one type of element selected from V, Fe, Cu, Mg, Mo, Nb, Ti, Zr, W and Al) and an ammonium tungstate powder, wherein when 5 g of the positive electrode material is mixed with 100 ml of pure water, the mixture is stirred for 10 minutes and then left to stand for 30 minutes, and then the pH of a supernatant fluid at 25° C. was measured, the pH ranges from 11.2 to 11.8.

Abstract: An alkaline battery, and a component cathode including a solid ionically conducting polymer material.

Abstract: A battery includes a first current collector, first electrode layer, and first counter electrode layer. The first counter electrode layer is a counter electrode of the first electrode layer. The first current collector includes first front and rear face regions, second front and rear face regions, and a first fold portion. The first rear face region is a region situated on the rear face of the first front face region. The second rear face region is a region situated on the rear face of the second front face region. The first fold portion is situated between the first and second front face regions. The first current collector is folded at the first fold portion, whereby the first and second rear face regions face each other. The first electrode layer is in contact with the second front face region, and the first counter electrode layer with the first front face region.

Abstract: Thermal management systems for battery cells and methods for their additive manufacture are provided. The thermal management systems include at least one heat pipe that physically contacts the battery cell and conforms to its geometry. Each battery cell is deposited within a separate heat pipe, and each heat pipe is disposed on a base plate, which itself connects to a heat sink. In many embodiments, the heat pipe is a two-phase heat exchanger having three major components: liquid channels, wick elements, and vapor channels. In such embodiments, the wick component comprises a porous body configured to be disposed between the liquid channels and vapor channels. The wick component may be made using a stochastic additive manufacturing process such that the wick component may take any configuration and/or such that the wick component may be directly integrated into the body of the heat pipe as a unitary piece thereof.

Abstract: The present invention relates to methods of fabrication of hollow shells/spheres/particles, core-shell particles and composite materials made from these particles.

Abstract: The present invention provides a catalyst electrode for oxygen evolution comprising an electrode current collector comprising a carbon fiber fabric, a nanowire layer comprising a metal oxide-based porous nanowire grown radially from the surface of the carbon fiber, and a porous carbon coating layer disposed around the outer surface of the nanowire, thereby maximizing the specific surface area and increasing the electron transfer rate, and thus exhibiting an excellent catalytic activity for oxygen evolution reaction, and a preparation method thereof.

Abstract: A conductive member (61) is disposed near a side of the sealing plate (2) facing the inside of a battery with a first insulating member (10) disposed therebetween. The conductive member (61) has a conductive-member opening portion (61f) at a side facing the electrode assembly. An inserting portion (7b) of a positive electrode terminal (7) is inserted through a third terminal-receiving hole (61c) in the conductive member (61) and connected to the conductive member (61). The conductive-member opening portion (61f) of the conductive member (61) is sealed by a deformation plate (62), and the deformation plate (62) is connected to a first positive-electrode current collector (6a), which is electrically connected to positive electrode plates. The conductive member (61) includes a pressing projection (61e) that projects toward the first insulating member (10) from a portion thereof that faces the first insulating member (10).

Abstract: A battery module, including a cell stack having a first battery cell and a second battery cell; a first bus bar connected to the cell stack and having a first polarity; a second bus bar connected to the cell stack and having a second polarity opposite to the first polarity; a short-circuit unit that moves toward the first bus bar and the second bus bar in response to receiving an expanding force caused by a volume increase of the first battery cell and the second battery cell, so that the first bus bar and the second bus bar are electrically connected to generate a short circuit; and a cartridge that at least partially accommodates each of the first bus bar, the second bus bar and the short-circuit unit.

Abstract: The disclosure relates to a cell supervision circuit and a battery pack. The cell supervision circuit comprises a circuit board; a heat transfer unit including a metal plate disposed adjacent to the circuit board, wherein the heat transfer unit dissipates heat through the metal plate; and a fixing plate connected to the heat transfer unit, wherein the fixing plate includes a body portion and an elastic portion formed on the body portion, and the elastic portion is used for filling a gap between the metal plate and the fixing plate. In the cell supervision circuit according to the embodiment of the disclosure, the problem of heat resistance instability generated during heat dissipation is solved, and the heat dissipation effect of the cell supervision circuit is improved.

Abstract: A combustion tool fuel cell is provided having enhanced low temperature operation, including a fuel composition comprising at least one hydrocarbon component with a total vapor pressure equal or above 95 psig at 21° C.

Abstract: A battery pack and a method of assembling a battery pack. The battery pack may include an outer housing; a cell module supportable by the outer housing, the cell module including a module housing, a plurality of battery cells supported by the module housing, the battery cells having an energy of at least about 60 Watt-hours, a controller operable to control an operation of the battery pack, a conductive strap electrically connected to at least one of the battery cells, a weld strap connected between the controller and the conductive strap, and a terminal electrically connected to the battery cells and operable to connect the battery cells to an electrical device for power transfer; and a vapor-deposited, hydrophobic nano coating applied to at least a portion of the cell module.