Abstract: The present disclosure relates to an improved process for the synthesis of nanomaterials and composites from Zintl phases. The nanomaterials and composites are useful, for example, as ion storage materials.

Abstract: Compositions and methods of preparing energy storage device electrode active materials and electrodes are described. A two-step synthesis process may be utilized to prepare single crystal electrode active materials and electrodes, such as a single crystal nickel-cobalt-aluminum material. In some embodiments, the two step synthesis process includes a first and a second lithiation step.

Abstract: A negative electrode and a rechargeable lithium battery, the negative electrode including a current collector; and a negative active material layer on at least one surface of the current collector, the negative active material layer including a carbon negative active material and a conductive agent, wherein the conductive agent includes at least one of a fiber-shaped conductive agent having a average length of about 1 ?m to about 200 ?m and a particle-shaped conductive agent having a average long diameter of about 1 ?m to about 20 ?m, and a DD (Degree of Divergence) value defined by Equation 1 is about 24 or greater: DD (Degree of Divergence)=(Ia/Itotal)*100??[Equation 1] wherein, in Equation 1, Ia is a sum of peak intensities at non-planar angles measured by XRD using a CuK? ray, and Itotal is a sum of peak intensity at all angles measured by XRD using a CuK? ray.

Abstract: A battery module is disclosed. In one aspect, the battery module includes a plurality of battery cells arranged in a first direction, and a circuit board placed on upper portions of the battery cells. The battery module also includes a bus bar electrically connecting the battery cells and electrically connected to the circuit board, and a pair of end plates respectively positioned at opposite ends of the battery cells in the first direction. The circuit board includes a connector located at one end of the circuit board and exposed to the exterior of the battery module. The connector is configured to be electrically connected to an external device. At least one of the pair of end plates is formed of a metallic material and includes a connector grounding portion enclosing the connector. The circuit board further includes a connection portion connected to the connector grounding portion.

Abstract: An electrode catalyst for fuel cells that can inhibit an increase in gas diffusion resistance includes a carbon material having a ratio of a peak intensity IA derived from an amorphous structure to a peak intensity IG derived from a graphite structure in an X-ray diffraction spectrum (ratio IA/IG) of 0.90 or less as a catalyst-supporting carrier.

Abstract: A binder composition for a lithium secondary battery and a lithium secondary battery including the binder, the binder composition including a copolymer that includes a first structure unit including amide, a second structural unit including carboxylic acid or a salt thereof, and a third structural unit including a morpholine ring or a thiomorpholine ring.

Abstract: An all solid battery includes: a solid electrolyte layer including solid electrolyte; a first electrode layer that is formed on a first main face of the solid electrolyte layer and includes an active material; and a second electrode layer that is formed on a second main face of the solid electrolyte layer and includes an active material, wherein the solid electrolyte layer includes polymer solid electrolyte including lithium salt, in a clearance of a sintered compact of phosphoric acid salt-based solid electrolyte.

Abstract: A battery assembly comprises a battery and a battery monitor. The battery has a cover, a post terminal, and a battery near field communication (“NFC”) device. The battery NFC device is disposed within the cover adjacent the post terminal. The battery monitor is removably attachable to the post terminal and has a monitor NFC device communicating with the battery NFC device.

Abstract: In a production method of an electrode for all-solid-state batteries, the electrode having an electrode mixture layer containing active material particles and solid electrolyte particles, the solid electrolyte particles include a first group of particles having an average particle diameter d1, and a second group of particles having an average particle diameter d2. The production method includes: a first mixing step of dry-mixing the active material particles and the first group of particles, to obtain a mixture A; a second mixing step of dry-mixing the mixture A and the second group of particles, to obtain a mixture B; and a pressing step of pressing the mixture B to form the electrode mixture layer. A ratio of the average particle diameter d2 to the average particle diameter d1:d2/d1 satisfies d2/d1?1.5.

Abstract: Provided is a rechargeable alkali metal-sulfur cell comprising an anode active material layer, an electrolyte, and a cathode active material layer comprising multiple particulates, wherein at least one of the particulates comprises one or a plurality of sulfur-containing material particles being embraced or encapsulated by a thin layer of a conductive sulfonated elastomer composite having from 0.01% to 50% by weight of a conductive reinforcement material dispersed in a sulfonated elastomeric matrix material, wherein the conductive reinforcement material is selected from graphene sheets, carbon nanotubes, carbon nanofibers, metal nanowires, conductive polymer fibers, or a combination thereof and the composite has a recoverable tensile strain from 2% to 500%, a lithium ion conductivity from 10?7 S/cm to 5×10?2 S/cm, and a thickness from 0.5 nm to 10 ?m. This battery exhibits an excellent combination of high sulfur content, high sulfur utilization efficiency, high energy density, and long cycle life.

Abstract: A battery system includes a battery cell, a thermally insulating layer, and a thermally conducting layer which includes a fin. The fin pushes against an interior surface of a case which surrounds the battery cell, the thermally insulating layer, and the thermally conducting layer. The thermally conducting layer includes a discontinuity where the discontinuity is configured to reduce a capacitance associated with the thermally conducting layer compared to when the thermally conducting layer does not include the discontinuity.

Abstract: The present application provides a negative electrode sheet and a secondary battery. The negative electrode sheet includes a negative current collector and a negative electrode film provided on at least one surface of the negative current collector and comprising a negative active substance. The negative electrode sheet also satisfies: 0.3?a×(1.1/b+0.02×c)?6.0, where a represents the specific surface area of the negative electrode film, and the unit is m2/g; b represents the compaction density of the negative electrode film, and the unit is g/cm3; c represents the cohesive force between the negative electrode film and the negative current collector, and the unit is N/m. The present application can make the negative electrode sheet have excellent dynamics performance, and meanwhile ensure that the secondary battery has good dynamics performance and cycle performance without sacrificing energy density.

Abstract: Disclosed herein are novel or improved microporous battery separator membranes, separators, batteries including such separators, methods of making such membranes, separators, and/or batteries, and/or methods of using such membranes, separators and/or batteries. Further disclosed are laminated multilayer polyolefin membranes with exterior layers comprising one or more polyethylenes, which exterior layers are designed to provide an exterior surface that has a low pin removal force. Further disclosed are battery separator membranes having increased electrolyte absorption capacity at the separator/electrode interface region, which may improve cycling. Further disclosed are battery separator membranes having improved adhesion to any number of coatings. Also described are battery separator membranes having a tunable thermal shutdown where the onset temperature of thermal shutdown may be raised or lowered and the rate of thermal shutdown may be changed or increased.

Abstract: Embodiments described herein relate generally to methods for the remediation of electrochemical cell electrodes. In some embodiments, a method includes obtaining an electrode material. At least a portion of the electrode material is rinsed to remove a residue therefrom. The electrode material is separated into constituents for reuse.

Abstract: Provided is a non-aqueous electrolytic solution for a lithium ion secondary cell that can reduce the initial resistance of the lithium ion secondary cell and can suppress the increase in resistance when the lithium ion secondary cell is allowed to stand at high temperature. The non-aqueous electrolytic solution for a lithium ion secondary cell disclosed herein includes a light metal salt represented by the following formula (I) and a silyl sulfate compound represented by the following formula (II). The content of the light metal salt in the non-aqueous electrolytic solution for a lithium ion secondary cell is 0.1% by mass or more and 1.5% by mass or less. The content of the silyl sulfate compound in the non-aqueous electrolytic solution for a lithium ion secondary cell is 0.1% by mass or more and 5.0% by mass or less (each symbol in the formulas is as defined in the specification).

Abstract: A rechargeable electrochemical cell includes a positive electrode having a recharged potential, a negative electrode, and a charge-carrying electrolyte. The rechargeable electrochemical cell further includes an active material having the following structure.

Abstract: The invention relates to an energy storage module, which is produced by a continuous production method, and which comprises the following: a plurality of energy storage cells, electrically connected in series, and a housing, produced at least in regions and preferably completely from plastic, in which the plurality of energy storage cells is received. A barrier layer is arranged between the housing and the energy storage cells at least in regions, preferably completely. The invention further relates to a production method of such an energy storage module, which is produced by means of a continuous production method.

Abstract: A solid electrolyte (10) of the present disclosure includes: a porous dielectric (11) having a plurality of pores (12) interconnected mutually; an electrolyte (13) including a metal salt and at least one selected from the group consisting of an ionic compound and a bipolar compound, the electrolyte (13) at least partially filling an interior of each of the plurality of pores (12); and a surface adsorption layer (15) adsorbed on inner surfaces of the plurality of pores (12) to induce polarization. The surface adsorption layer (15) may include water adsorbed on the inner surfaces of the plurality of pores (12). The surface adsorption layer (15) may include a polyether adsorbed on the inner surfaces of the plurality of pores (12).

Abstract: A solid state electrolyte having a garnet type crystal structure is provided. The chemical composition of the solid state electrolyte includes lithium, lanthanum, zirconium, oxygen, and sulfur. The content of sulfur in the solid state electrolyte is between 5 mol % and 35 mol % based on the content of oxygen in the solid state electrolyte. A solid state battery including a positive electrode layer, a negative electrode layer, and a solid state electrolyte layer is also provided. The solid state electrolyte layer is disposed between the positive electrode layer and the negative electrode layer. The solid state electrolyte layer includes the solid state electrolyte.

Abstract: A method and an apparatus are disclosed for the production of electrical energy storage devices, in which two separators are fed alongside one another, two anode feeders arrange in an alternating manner a succession of anodes one after the other between the two separators, two cathode feeders arrange a succession of cathodes one after the other on the outer sides of the two separators in an alternating manner so that only one cathode is superimposed on each anode, after which a cutting device separates various discrete elements, each consisting of only one anode and only one cathode with the interposition of portions of the two separators.