Abstract: A process for forming a lithium-metal-oxygen film on a lithium SSE. A metal-ligand complex is exposed to the SSE such as for 30-600 seconds in a chemical vapor transfer reactor at a temperature of 200-350° C.

Abstract: Improved battery separators, base films or membranes, batteries, cells, devices, systems, vehicles, and/or methods of making and/or using such separators, films or membranes, batteries, cells, devices, systems, vehicles, and/or methods of enhancing battery or cell charge rates, charge capacity, and/or discharge rates, and/or methods of improving batteries, systems including such batteries, vehicles including such batteries and/or systems, and/or the like; biaxially oriented porous membranes, composites including biaxially oriented porous membranes, biaxially oriented microporous membranes, biaxially oriented macroporous membranes, battery separators with improved charge capacities and the related methods and methods of manufacture, methods of use, and the like; flat sheet membranes, liquid retention media; dry process separators; biaxially stretched separators; dry process biaxially stretched separators having a thickness range between about 5 ?m and 50 ?m, preferably between about 10 ?m and 25 ?m, having imp

Abstract: A method of distributing power in a fuel cell system including a plurality of fuel cell stacks, includes determining, by a controller, a total system power demand, which is a power demand of the fuel cell system, determining an operation order of the fuel cell stacks based on a state of the fuel cell stacks, determining the number of operation fuel cell stacks among the plurality of fuel cell stacks based on the total system power demand and an average available power of the fuel cell stacks, determining operation target fuel cell stacks based on the operation order of the fuel cell stacks and the number of operation fuel cell stacks, and determining a power demand of each of the operation target fuel cell stacks based on the total system power demand and an effective catalyst reaction area ratio of each fuel cell stack included in the operation target fuel cell stacks.

Abstract: The present invention discloses a pre-lithiated silicon-carbon multilayer composite negative electrode material for lithium ion batteries and a preparation method thereof. The composite negative electrode material includes an amorphous carbon matrix, pre-lithiated silicon monoxide particles and graphene materials; the graphene materials are uniformly coated on the outer surface of the pre-lithiated silicon monoxide to form composite particles; and the composite particles are uniformly dispersed in the amorphous carbon matrix. According to the present invention, the silicon monoxide particles are pre-lithiated to greatly improve the initial coulombic efficiency (ICE) of the silicon-based negative electrode material; the graphene materials greatly improve the mechanical performance and conductivity of the composite materials due to the light weight, high strength and excellent conductivity thereof.

Abstract: A fuel cell including a catalyst layer configured to generate liquid water in response to a reactant being in contact therewith. The fuel cell includes a microporous layer having a first region with a first pore size and a second region disposed adjacent to the first region having a second pore size. The first pore size being greater than the second pore size. The microporous layer being configured to transfer the liquid water away from the catalyst layer, such that the liquid water from the catalyst layer enters the first region in response to a capillary pressure of the liquid water being greater than a first capillary pressure. The liquid water enters the second region in response to a capillary pressure of the liquid water being greater than a second capillary pressure. The first capillary pressure being different from the second capillary pressure.

Abstract: The all-solid-state battery 1 includes: an exterior can 2 with a bottom 21; a seal can 3 having a flat portion 31 and facing the exterior can 2; and a power generation element 4 contained between the exterior can 2 and seal can 3, where at least one of the inner surface of the bottom 21 of the exterior can 2 and the inner surface of the flat portion 31 of the seal can 3 includes a recess-protrusion structure. The battery includes a conductive sheet 5 located between that one of the inner surfaces which includes the recess-protrusion structure and the power generation element 4, the conductive sheet having an ability to recover against a pressing force. The rate of recovery of the conductive sheet 5 against a pressing force is not lower than 7%.

Abstract: Provided is an apparatus for producing a non-aqueous electrolytic solution capable of easily performing purification treatment by removal of acidic impurities such as hydrogen fluoride contained in a non-aqueous electrolytic solution. The apparatus for producing a non-aqueous electrolytic solution comprises an ion exchange unit accommodating a weakly basic anion exchange resin through which an alkali metal salt electrolyte-containing solution having the alkali metal salt electrolyte dispersed in an carbonate ester is passed to obtain the non-aqueous electrolytic solution, wherein the weakly basic anion exchange resin has a styrene-based resin as substrate and an amino group as weakly basic anion exchange group.

Abstract: Discussed is a battery pack including a structure for reducing damage to a component of a Battery Management Unit (BMU), and more particularly, to a battery pack with a structure that mitigates a concentration of stress caused by external vibration or force on the BMU mounted on a BMU mounting part and facilitates the assembly of the BMU, so that the BMU can be stably fixed to an assembled position to reduce damage to BMU components. The battery pack includes a partition configured to divide cell mounting parts and the BMU mounting part, and the partition have a stress concentration relaxation structure.

Abstract: An FC system disclosed herein may comprise a plurality of FC units, a cooler, and a controller. Each of the FC units may comprise a FC stack, a supply passage/a return passage/a circulating passage through which refrigerant passes, and first temperature sensor. The supply passage supplies the refrigerant from the cooler to the FC stack. The return passage returns the refrigerant to the cooler. The circulating passage is connected to the supply passage and the return passage. The first temperature sensor is configured to measure a temperature of the refrigerant in the supply passage at a position upstream of a merging point of the supply passage and the circulating passage. When measured values of the first temperature sensors of the plurality of the FC units do not match, the controller is configured to provide notification about malfunction of the first temperature sensor.

Abstract: A method is provided to optimize the surface of a carbon electrode for flow battery. A reaction solution is prepared as containing a requested ratio of functional group. After spraying the reaction solution on the carbon electrode, a number of related parameters of an atmospheric plasma are set for activation the carbon electrode. Thus, the functional group is covalently bonded on the surface of the carbon electrode according to requirement. Thereby, an accurate control of the type and number of the functional group bonded on the surface of the carbon electrode is achieved with the stability and performance of flow battery further enhanced.

Abstract: A method for producing an electrode sheet includes roll-pressing an uncompressed electrode sheet including a current collecting foil and an uncompressed electrode layer formed thereon and made from composite particles including active material particles and binder particles, by feeding the uncompressed electrode sheet to pass through a gap between first and second rolls to compress, and heating the sheet so that the active material particles are bonded to each other and also to the current collecting foil. A first outer peripheral surface temperature of the first roll contacting the foil falls within a temperature range from a binder-resin melting start temperature +5° C. to +25° C., and a second outer peripheral surface temperature of the second roll contacting the uncompressed electrode layer is lower than the first outer peripheral surface temperature and further falls within a temperature range not exceeding the melting start temperature +5° C.

Abstract: A negative active material for a rechargeable lithium battery includes a composite of silicon and crystalline carbon, wherein the silicon has an average particle diameter (D50) of about 10 nm to about 150 nm, and the crystalline carbon has an average particle diameter (D50) of about 5 ?m to about 20 ?m, and an aspect ratio of about 4 to about 10.

Abstract: An all-solid-state battery including a cell laminate including two or more unit cells, and a resin layer covering a side surface of the cell laminate, wherein each unit cell includes a positive electrode current collector layer, a positive electrode active material layer, a solid electrolyte layer, a negative electrode active material layer, and a negative electrode current collector layer laminated in this order, at least one of the positive electrode current collector layer, positive electrode active material layer, solid electrolyte layer, negative electrode active material layer, and negative electrode current collector layer includes extending parts which extend more outwardly from the side surface of the cell laminate than the other layers, and gaps are formed between the extending parts, and the ratio of the compressive modulus of the resin layer to the compressive modulus of the cell laminate is 0.4 or less.

Abstract: Disclosed are a nickel/nickel hydroxide electrode catalyst, a preparation method thereof and an application thereof, the catalyst includes a porous matrix structure and a nanosheet, where the nanosheet is doped in the porous matrix structure, a mass percentage of the porous matrix structure is 95%-99%, a mass percentage of the nanosheet is 1%-5%, and a mass density of the nanosheet is 12-15 mg/cm2; and the porous matrix structure is nickel, and the nanosheet is nickel hydroxide in ? configuration. The present disclosure develops an electrode catalyst with higher catalytic efficiency and a simpler preparation method based on the Ni-based catalysts to achieve efficient application of hydrogen energy.

Abstract: Provided is a high-performance, high-quality battery module including plurality of electrode bodies connected in series. The battery module disclosed herein has a plurality of electrode bodies that include positive electrodes and negative electrodes, connecting terminals that connect the plurality of electrode bodies in series, and a film exterior body that covers the plurality of electrode bodies and the connecting terminals. The electrode bodies each includes a pair of flat surfaces and are made into a module by being superimposed on each other, such that the flat surfaces face each other. The connecting terminal is made up of a cladding material resulting from joining of a first metal, which is a metal of identical type to that of the positive electrode, and a second metal, which is a metal of identical type to that of the negative electrode.

Abstract: Provided herein are solid materials that are ionically conductive and electrochemically stable. Embodiments of the solid materials are argyrodite-type compositions that have high ionic conductivity. The compositions include small amounts of thiophilic metals, whose binary sulfides do not react with water to hydrogen sulfide (H2S). As such, H2S release is minimized or eliminated. Also provided are methods of fabricating the materials and batteries and battery components containing the materials.

Abstract: A lithium secondary battery is disclosed herein. In some embodiments, a lithium secondary battery includes: a battery case having an interior region, a separator, wherein the separator divides the interior region into a first region and a second region, a positive electrode formed in the first region and including a positive electrode active material and positive electrode current collector particles; and a negative electrode formed in the second region and including a negative electrode active material and negative electrode current collector particles.

Abstract: An optionally oriented copolyester film comprising a copolyester which comprises repeating units derived from an aliphatic diol, an aromatic dicarboxylic acid and a poly(alkylene oxide), wherein the copolyester film further comprises lithium ions, and wherein the film has a thickness of no more than about 25 ?m. The copolyester film is suitable for use a separator in a lithium-ion rechargeable battery.

Abstract: This application provides a current collecting member, a secondary battery, and a method for manufacturing a secondary battery. The current collecting member includes a substrate and a support plate, the substrate is disposed on a side of a body of the electrode assembly in the transverse direction and extends in a direction perpendicular to the transverse direction, the support plate extends from an outer end of the substrate in the longitudinal direction and folds back to a side of the substrate farther from the body. The support plate includes a bending portion and a connecting portion, the bending portion is connected to the substrate and bent into an arc shape, and the connecting portion extends from an end of the bending portion farther from the substrate; and a first tab of the electrode assembly is connected to the connecting portion and bent along a surface of the bending portion.

Abstract: A sealed battery with a battery case that includes a bottomed cylindrical outer can and an opening-sealing body that closes an opening section of the outer can; and an electrode body that is accommodated inside the battery case. The opening-sealing body includes a metal plate, and the metal plate includes a protruding section that bulges toward the outside of the battery cast, and a flange section that is formed on the circumference of the protruding section. The protruding section includes an inclination section that inclines inward from the radial outside of the opening sealing body so as to be progressively separated from the electrode body, wherein a thin wall section, which has a thickness less than portions other than the inclination section and is preferably broken when the inner pressure of the battery case exceeds a predetermined threshold, is formed in at least a portion of the inclination section.