Abstract: A method of mounting a bus-bar frame includes: forming a plurality of cell lead blocks and a battery cell stacked body by alternately stacking a cell lead block and at least one battery cell; disposing a top cover with respective ends on which a bus-bar frame is installed so as to cover the battery cell stacked body; removing the lead blocks from a space between the battery cell stacked body and the bus-bar frame; and installing the bus-bar frame on the battery cell stacked body by rotating the bus-bar frame. The alternately stacking of the cell lead block and the at least one battery cell includes positioning an electrode lead protruding from each battery cell between neighboring ones of the cell lead blocks.

Abstract: A winding method may comprise clamping heads of an anode plate, a cathode plate and a separator between a first half winding needle and a second half winding needle of a winding needle assembly at a winding station; and rotating the winding needle assembly at the winding station to wind the anode plate, the cathode plate and the separator to form an electrode assembly.

Abstract: A method for producing a nickel cobalt complex hydroxide includes first crystallization of supplying a solution containing Ni, Co and Mn, a complex ion forming agent and a basic solution separately and simultaneously to one reaction vessel to obtain nickel cobalt complex hydroxide particles, and a second crystallization of, after the first crystallization, further supplying a solution containing nickel, cobalt, and manganese, a solution of a complex ion forming agent, a basic solution, and a solution containing said element M separately and simultaneously to the reaction vessel to crystallize a complex hydroxide particles containing nickel, cobalt, manganese and said element M on the nickel cobalt complex hydroxide particles crystallizing a complex hydroxide particles comprising Ni, Co, Mn and the element M on the nickel cobalt complex hydroxide particles.

Abstract: This application provides a current collecting member, a secondary battery, and a fabrication method. The secondary battery includes an electrode assembly, a housing, a top cover assembly and current collecting members. The electrode assembly includes a main body portion and a first tab extending from an end of the main body portion along a transverse direction. The top cover assembly includes a top cover plate and a first electrode terminal disposed on the top cover plate connected to the housing. The current collecting member is connected to the first tab and the first electrode terminal. The current collecting member includes a substrate and a support plate, the substrate being provided at a side of the main body portion along a transverse direction, the support plate extending from an end part of the substrate in a longitudinal direction, and the first tab being connected to the support plate.

Abstract: A thermal regulating unit for regulating the temperature of a pouch cell battery is provided. The thermal regulating unit is formed as a container having: one or more internal cooling channels for conveying a liquid coolant through the unit; a flexible outer covering which contains the cooling channels; and inlet and outlet ports which penetrate the covering for respectively providing liquid coolant to and removing the liquid coolant from the cooling channels. The flexible outer covering forms a substantially flat major external surface of the unit corresponding in shape to, and for pressing against, a major external surface of the pouch cell battery such that the unit and the pouch cell battery can be held in face-to-face contact. The cooling channels are arranged in the flexible outer covering such that when the provided liquid coolant is pressurized it causes the unit to expand and press against the major external surface of the pouch cell battery.

Abstract: The present disclosure relates to a conveying roller for conveying a cell pole piece, the cell pole piece comprising a main body and pole tabs, the main body comprising a bearing area and a transition area, each of the pole tabs comprising a root portion connected to the transition area, a middle section and a top portion, and the conveying roller comprising: a central axis, a first end face and a second end face disposed opposite to each other along the central axis, a transmission portion and an avoidance position provided between the first end face and the second end face, wherein the transmission portion is rotatable around the central axis, the bearing area is contactable with the transmission portion, so that the transmission portion applies a transmission friction force to the cell pole piece, and the avoidance position is capable of avoiding the transition area and the pole tabs.

Abstract: An energy system with hydration of magnesium hydride, including: a magnesium hydride storage tank, a Covapor unit, a storage battery, a hydrogen buffer and temperature regulation tank, a meter, a molecular sieve filter, a hydrogen fuel cell, an exhaust gas purifier, a water tank, and an air purifier. A water outlet of the hydrogen fuel cell is connected to a water inlet of the magnesium hydride storage tank. A hydrogen outlet of the magnesium hydride storage tank is connected to a hydrogen inlet of the hydrogen fuel cell. A thermal conductive medium outlet of the magnesium hydride storage tank is connected to a jacket of the molecular sieve filter and the Covapor unit, respectively, and a jacket outlet of the molecular sieve filter and an outlet of the Covapor unit are respectively connected to a thermal conductive medium inlet of the magnesium hydride storage tank.

Abstract: The present invention relates to methods and apparatuses for determining the ratio of oxidized and reduced forms of a redox couple in solution, each method comprising: contacting first and second stationary working electrodes and first and second counter electrode to the solution; applying a first potential at the first stationary working electrode and a second potential at the second stationary working electrode relative to the respective counter electrodes and measuring first and second constant currents for the first and second stationary working electrodes, respectively; wherein the first and second constant currents have opposite signs and the ratio of the absolute values of the first and second constant currents reflects the ratio of the oxidized and reduced forms of the redox couple in solution. When used in the context of monitoring/controlling electrochemical cells, additional embodiments include those further comprising oxidizing or reducing the solution.

Abstract: Battery packs according to some embodiments of the present technology may include a first longitudinal beam and a second longitudinal beam. The battery packs may include a plurality of cell blocks disposed between the first longitudinal beam and the second longitudinal beam. The plurality of cell blocks may include first and second cell blocks each characterized by a first side surface proximate the first longitudinal beam, a second side surface, a third side surface proximate the second longitudinal beam, and a fourth side surface. The battery packs may include a first interface material thermally coupling the first side surface of the first cell block with the first longitudinal beam. The battery packs may also include a second interface material thermally coupling the third side surface of the second cell block with the second longitudinal beam.

Abstract: A battery module includes a cell stack in which a plurality of unit cells are aligned in a first direction and including an insulating member surrounding the plurality of unit cells; and a module housing in which a plurality of receiving parts into which the cell stack is inserted are provided, wherein the receiving part includes a fixing wall surrounding the cell stack and having at least a portion which is in contact with the cell stack.

Abstract: A battery electrode composition is provided that comprises a composite material comprising one or more nanocomposites. The nanocomposites may each comprise a planar substrate backbone having a curved geometrical structure, and an active material forming a continuous or substantially continuous film at least partially encasing the substrate backbone. To form an electrode from the electrode composition, a plurality of electrically-interconnected nanocomposites of this type may be aggregated into one or more three-dimensional agglomerations, such as substantially spherical or ellipsoidal granules.

Abstract: A wearable device needs to have a design corresponding to complicated surfaces of human bodies. Thus, an electronic device that can fit the characteristics of each individual human body after being purchased and can be worn naturally and comfortably is provided. The electronic device includes a secondary battery which can be transformed. By using a secondary battery which can be transformed, for example, a secondary battery can be efficiently placed in a narrow and elongated space in the electronic device, and the elongated secondary battery can be bent together with the electronic device. Furthermore, the weight balance of the electronic device can be easily adjusted.

Abstract: An article, such as a battery pack system, includes a battery pack that is comprised of a plurality of battery cells. An external housing covers at least a portion of the battery pack. A silicate-based thermal barrier coating is configured to block heat emitted from the battery pack.

Abstract: A compact battery unit of refillable aluminum-air battery with concurrent hydrogen utilization system comprises a stack core, an electrolyte circulation system, an air circulation system, a hydrogen fuel battery and hydrogen storage facility. The stack core is assembled by one or more cylindrical cells, a cell base, a cell house, an electrolyte cover, an air cover, a hydrogen cover, an electrolyte outlet sink, a electrolyte inlet chamber, soft pipes and a vibrator. The cylindrical cell is further assembled from a cylindrical cathode and a cylindrical anode. The cylindrical cathode comprises a multi-layer cathode electrode, a support frame and a cathode electric connector. And the cylindrical anode comprises an electric-conductive frame, anode membrane meshes, granular aluminia etc. Strong alkaline electrolyte, such as NaOH, is used to make it possible to mechanically recharge the aluminum-air battery.

Abstract: A electrode body of a power storage cell is accommodated in an inner space of a housing to form an upper clearance on a side opposite to a bottom surface of the housing and form a side clearance between the electrode body and each of a first side surface and a second side surface of the housing. Gas discharge valves include a first discharge valve provided on the first side surface and a second discharge valve provided on the second side surface. At least a portion of an opening of the first discharge valve is located at a region of the first side surface to which the upper clearance is projected, and at least a portion of an opening of the second discharge valve is located at a region of the second side surface to which the upper clearance is projected.

Abstract: A fluid connection device comprising a body formed of one single part and comprising a first tubular nozzle comprising a male part, and at least two elastically-deformable tabs provided to retain the male part in a female part, wherein the device further comprises a lock mounted on the body and mobile in translation from a first position wherein the tabs are released, allowing their elastic deformation, to a second position wherein the tabs are blocked, preventing their elastic deformation.

Abstract: In a method of preparing an immobilized selenium system or body, a selenium-carbon-oxygen mixture is formed. The mixture is then heated to a temperature above the melting temperature of selenium and the heated mixture is then cooled to ambient or room temperature, thereby forming the immobilized selenium system or body.

Abstract: A battery pack includes: a battery cell; a main circuit board electrically connected to the battery cell and extending in a first direction; and a flexible circuit board extending in the first direction in parallel with the main circuit board and including an external connection terminal located at a position outside the main circuit board, and the main circuit board and the flexible circuit board respectively include first and second coupling pads overlapping each other and coupled to each other.

Abstract: The embodiments of the present application provide a winding type electrode assembly including a positive electrode plate and a negative electrode plate; the positive electrode plate includes a first positive winding end portion and a positive winding middle section; the negative electrode plate includes a first portion and a second portion; and an active material layer of the negative electrode plate exceeds an active material layer of the positive electrode plate, and a difference between a maximum width of a negative active material layer of the first portion and a minimum width of a positive active material layer of the first positive winding end portion is larger than a difference between a maximum width of a negative active material layer of the second portion and a minimum width of a positive active material layer of the positive winding middle section.

Abstract: A battery assembly according to a non-limiting aspect of the present disclosure includes, among other things, an array of battery cells, with each cell including a terminal, and a busbar assembly having a first busbar component and a second busbar component. Further, each of the terminals are electrically coupled to both the first busbar component and the second busbar component. A method of forming a busbar assembly is also disclosed.