Abstract: A catalyst structure includes: (1) a substrate; (2) a catalyst layer on the substrate; and (3) an adhesion layer disposed between the substrate and the catalyst layer. In some implementations, an average thickness of the adhesion layer is about 1 nm or less. In some implementations, a material of the catalyst layer at least partially extends into a region of the adhesion layer. In some implementations, the catalyst layer is characterized by a lattice strain imparted by the adhesion layer.

Abstract: An electrode structure including: an electrode; a current collector facing the electrode; an elastic body located between the electrode and the current collector, the elastic body having conductivity; and an electrode fixing member located between the elastic body and the current collector, wherein at least a part of a peripheral edge of the electrode being fixed between the electrode fixing member and the current collector.

Abstract: A battery diagnosing apparatus includes a measuring unit configured to measure voltage and temperature of a battery, an ohmic resistance determining unit configured to determine an ohmic resistance of the battery based on an impedance profile generated for the battery, and a control unit configured to calculate a voltage change amount by comparing the voltage of the battery measured by the measuring unit with a reference voltage, calculate a resistance change rate by comparing the ohmic resistance determined by the ohmic resistance determining unit with a reference resistance, judge an internal gas generation level of the battery by comparing magnitudes of the calculated resistance change rate and a criterion resistance change rate, and judge an internal gas generation cause of the battery by comparing magnitudes of the calculated voltage change amount and a criterion voltage change amount.

Abstract: The present disclosure is generally related to separators for use in lithium metal batteries, and associated systems and products. Certain embodiments are related to separators that form or are repaired when an electrode is held at a voltage. In some embodiments, an electrochemical cell may comprise an electrolyte that comprises a precursor for the separator.

Abstract: A film and a manufacturing process thereof, including a base layer, where each of front and back sides of the base layer is provided with a bonding layer, a functional layer, and a protective layer in sequence; the functional layer is composed of a first composite copper layer and/or a second composite copper layer; the first composite copper layer is formed by repeating copper coating on a surface of the bonding layer 2 to 500 times; and the second composite copper layer is formed by repeating copper coating on a surface of the bonding layer 2 to 500 times. The film has low cost, simple process, and prominent appearance performance, and the present disclosure belongs to the technical field of energy storage unit materials.

Abstract: A negative electrode active material for a lithium secondary battery which includes: silicon particles; and a coating layer surrounding respective silicon particles, wherein the silicon particles have a full width at half maximum (FWHM) of peak ranging from 2 to 10 in the particle diameter distribution having an average particle diameter (D50) of 1 ?m to 30 ?m, and the coating layer includes at least one selected from the group consisting of carbon and a polymer. A negative electrode and lithium secondary battery including the negative electrode active material are also disclosed.

Abstract: A lithium sulfur battery with a low solvating electrolyte at an amount of less than 2 ?l per mg sulfur. The electrolyte comprises dioxolane and hexylmethylether, as well as a Li salt, for example LiTSFi. The electrolyte is free from lithium nitrate, LiNO3.

Abstract: A solid-state battery is provided that allows the exterior can to be sufficiently crimped onto the seal can without leading to improper crimping, thus preventing entry of water from the outside. The solid-state battery 1 includes an exterior can 2, a seal can 3, facing the exterior can 2 and a power generation element 4 contained in the space between the exterior can 2 and seal can 3. The seal can 3 includes a flat portion 31 and a peripheral wall 32 that are contiguous to each other with a curved-surface portion 33 provided therebetween. A first clearance g1 is defined between the upper edge of the outer peripheral surface of the power generation element 4 and the border 10 between the inner surface of the flat portion 31 and the inner surface of the curved-surface portion 33, the first clearance having a radial dimension not larger than 2.0 mm at a position where its dimension is at its largest.

Abstract: The present disclosure provides a negative electrode material that can improve the cycle characteristics of a battery. The negative electrode material according to the present disclosure contains a reduced form of a solid electrolyte material. The solid electrolyte material is denoted by Formula (1): Li?M?X?. Herein, in Formula (1), each of ?, ?, and ? is a value greater than 0, M represents at least one element selected from the group consisting of metal dements except Li and semimetals, and X represents at least one dement selected from the group consisting of F, Cl, Br, and I.

Abstract: Designs of redox flow battery arrays and methods for balancing state of charge within the arrays are disclosed. Flow battery unit strings in the arrays which comprise strings of flow battery units (in which units share a common electrolyte pair) are balanced by measuring the states of charge of the common electrolyte pairs and appropriately regulating flow in one or more of the associated anolyte and catholyte circuits so as to balance the state-of charge in the flow battery unit strings. The apparatus required, i.e. state-of-charge measuring device, flow regulator, and controller, represents a substantial simplification to state of the art approaches.

Abstract: A control method includes acquiring the operation stop request of the fuel cell system, acquiring a next vehicle operation start timing, and calculating a first energy cost and a second energy cost at a predetermined timing after acquiring the operation stop request and the next vehicle operation start timing. The first energy cost is an energy cost required from the predetermined timing to completion of warming up of the fuel cell when a warm-up control is executed using the heater in accordance with the next vehicle operation start timing after the stop control is executed. The second energy cost is an energy cost required when an operation of the fuel cell is continued so as to maintain a temperature of the fuel cell at a warm-up temperature from the predetermined timing to the next vehicle operation start timing.

Abstract: A system includes a battery pack having a first battery module, a second battery module, and a busbar that couples the first and second battery modules; a battery management controller having a first wireless transceiver; and a battery monitor coupled to the first battery module and to the busbar. The battery monitor includes monitoring circuitry configured to receive a first indication of a parameter of the first battery module; a second wireless transceiver configured to provide the first indication to the battery management controller via a wireless connection to the first wireless transceiver; and a busbar voltage circuit configured to receive a second indication of a voltage across the busbar, and, responsive to the second indication being greater than a voltage threshold, provide a first signal to the second wireless transceiver to cause the second wireless transceiver to be in a higher-power state.

Abstract: A battery electrode composition is provided comprising composite particles, with each composite particle comprising active material and a scaffolding matrix. The active material is provided to store and release ions during battery operation. For certain active materials of interest, the storing and releasing of the ions causes a substantial change in volume of the active material. The scaffolding matrix is provided as a porous, electrically-conductive scaffolding matrix within which the active material is disposed. In this way, the scaffolding matrix structurally supports the active material, electrically interconnects the active material, and accommodates the changes in volume of the active material.

Abstract: An electrochemical cell includes a housing, a positive electrode substrate disposed within a first electrode chamber of the housing, a negative electrode substrate disposed within a second electrode chamber of the housing, and a separator may be disposed within the housing between the first electrode chamber and the second electrode chamber. A method further includes pumping a manufacturing electrolyte through the positive electrode portion around the positive electrode substrate. The method further includes applying a first electrical signal to the positive electrode substrate so as to electrochemically fabricate one or both of an active material the negative electrode substrate to form a negative electrode and/or an active material on the positive electrode substrate, thereby forming a positive electrode.

Abstract: In order to solve the problem caused by leaching of lithium polysulfide, disclosed is a functional separator, a method of manufacturing the same, and a lithium secondary battery including the same, which can improve the capacity and life of the battery by coating a material capable of reducing lithium polysulfide on the separator surface. The functional separator includes a base separator; and a redox active polymer-conductive carbon composite layer on a surface of the base separator.

Abstract: An electrochemical cell management system comprising an electrochemical cell and at least one controller configured to control the cell such that, for at least a portion of a charge cycle, the cell is charged at a charging rate or current that is lower than a discharging rate or current of at least a portion of a previous discharge cycle. An electrochemical cell management method. An electrochemical cell management system comprising an electrochemical cell and at least one controller configured to induce a discharge of the cell before and/or after a charging step of the cell. An electrochemical cell management method. An electrochemical cell management system comprising an electrochemical cell and at least one controller configured to: monitor at least one characteristic of the cell and, based on the at least one characteristic of the cell, induce a discharge and/or control a charging rate or current of the cell.

Abstract: A method of manufacturing a membrane-catalyst assembly including an electrolyte membrane and a catalyst layer bonded to the electrolyte membrane, the method including: a liquid application step of applying, in the atmosphere, a liquid to only a surface of the electrolyte membrane before bonding; and a thermocompression bonding step of bonding, to the catalyst layer, the electrolyte membrane to which the liquid is applied, by thermocompression bonding. Provided is a method of manufacturing a membrane-catalyst assembly including a polymer electrolyte membrane and a catalyst layer bonded to the polymer electrolyte membrane, in which the manufacturing method can achieve both the relaxation of thermocompression bonding conditions and the improvement of adhesion between the catalyst layer and the electrolyte membrane with high productivity.

Abstract: A binder composition contains an organic solvent and a binder that includes a particulate polymer A and a highly soluble polymer B. The particulate polymer A includes an ethylenically unsaturated acid monomer unit in a proportion of not less than 1.0 mass % and not more than 10.0 mass % and a (meth)acrylic acid ester monomer unit in a proportion of not less than 30.0 mass % and not more than 98.0 mass %. The particulate polymer A includes two particulate polymers A1 and A2 having different volume-average particle diameters. The volume-average particle diameters D50A1 and D50A2 of these particulate polymers A1 and A2 satisfy a formula: D50A2>D50A1?50 nm.

Abstract: A battery mounting structure for a vehicle is provided to include a case having a first internal member that is disposed to be spaced parallel to an upper side of a lower panel of the case and a second internal member that is disposed perpendicular to the first internal member, and configured to accommodate a plurality of battery modules therein using the first internal member and the second internal member. An outer side member is provided in a shape protruding toward the outside on an outer side of the case. The battery modules are disposed in a stacking direction of battery cells that is parallel to a longitudinal direction of the first internal member.

Abstract: Embodiments of the present disclosure provide a battery, a manufacturing method and a manufacturing apparatus thereof, and a power consumption device.