Patent classifications
H01M4/747
ELECTROLYTE COMPOSITION AND METAL-ION BATTERY EMPLOYING THE SAME
An electrolyte composition and a metal-ion battery employing the same are provided. The electrolyte composition includes a metal halide, a solvent, and an additive. The solvent is an ionic liquid or organic solvent. The molar ratio of the metal halide to the solvent is from 1:1 to 2.2:1. The amount of additive is from 1 wt % to 25 wt %, based on the total weight of the metal halide and the solvent. The additive is monochloroethane, trichlorethylene, dichloroethane, trichloroethane, phosphorus trichloride, phosphorus pentachloride, methyl pyidine, methyl nicotinate, or a combination thereof.
ELECTRODES FOR BATTERIES
Provided herein are a lithium electrode and a sulfur electrode for batteries. The lithium electrode comprises lithium metal and a metal-coated fabric. The fibers of the metal-coated fabric are covered by a metal layer, on which the lithium metal is attached. The sulfur electrode comprises a sulfur composite and a nickel-coated fabric. The fibers of the nickel-coated fabric are covered by a nickel layer, on which the sulfur composite is attached. The lithium electrode can inhibit dendrite formation and the sulfur electrode can speed up the redox kinetics of soluble polysulfides.
CURRENT COLLECTOR FOR BATTERY AND METHOD FOR FABRICATING THE SAME
The present disclosure provides an ultrathin and superlight glass-fiber based current collector enabling energy-dense flexible batteries, and a method for fabricating the current collector. This current collector includes a metal-coated glass-fiber fabric having metal-coated glass fibers, and the metal-coated glass fiber includes a surface-modified glass fiber covered by one or two metal layers.
Electrode
Baumgartner & Lamperstorfer Instruments GmbH B10930PWO-R/To 45 Abstract A highly efficient electrode, especially but not exclusively for an electrolyser for the generation of hydrogen, includes at least an electrically conductive plate, at least one layer of an electrically conductive mesh having knuckles in fused 5 electrical contact with the electrically conductive plate and mesh passages for the flow of an electrically conductive medium laterally through the mesh, as well as a porous layer of electrically conductive material coating a surface of the at least one layer of electrically conductive mesh remote from the conductive plate. The porous layer is in fused electrical contact with the mesh and has a planar surface 10 remote from the electrically conductive plate. A pore size of the porous layer is substantially smaller than a pore size of the mesh passages. 15.
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
Provided is a nonaqueous electrolyte secondary battery having improved discharge characteristics. A nonaqueous electrolyte secondary battery according to one aspect of the present disclosure comprises an electrode including a current collector and a mixture layer that is formed on a surface of the current collector and that contains an active material. The current collector includes an electron conductive layer having a gap on the surface in contact with the mixture layer, and an electrolytic solution is present inside the electron conductive layer.
BATTERY
A lead acid battery comprising at least one positive electrode and at least one negative electrode, wherein the at least one positive electrode includes a plurality of tube members each comprising a tube containing positive active material (PAM) and a conducting spine in contact with the positive active material, and wherein the at least one negative electrode comprises a conducting grid and a negative active material (NAM) in contact with the conducting grid, which negative active material comprises carbon nanomaterial.
Method for Forming an Electrical Connection to a Conductive Fibre Electrode and Electrode So Formed
A method for forming an electrical connection to a microscale electrically conductive fibre material electrode element, such as a carbon fibre electrode element of a Pb-acid battery, comprises pressure impregnating into the fibre material an electrically conductive lug material, such as molten Pb metal, to surround and/or penetrate fibres and form an electrical connection to the fibre material and provide a lug for external connection of the electrode element. Other methods of forming a lug for external connection are also disclosed.
CELL-CORE FOR LITHIUM SLURRY BATTERY, AND LITHIUM SLURRY BATTERY MODULE
Provided is a no-liquid cell-core for a lithium slurry battery. The no-liquid cell-core comprises multiple positive electrode pieces and negative electrode pieces overlapping alternately. The positive electrode piece comprises an electric-conductive cathode layer and a cathode surface current-collecting layer, wherein the electric-conductive cathode layer contains a part or all of the electric-conductive cathode particles in accumulated state without adhesive bonding, and the cathode surface current-collecting layer is set on the surface of the electric-conductive cathode layer and contacted with it tightly. The negative electrode piece comprises an electric-conductive lithium-intercalatable anode layer which is a lithium-containing metal body and/or a layer containing a part or all of electric-conductive lithium-intercalatable anode particles in accumulated state without adhesive bonding. The peripheral edges of the positive electrode piece and/or the negative electrode piece are insulated and sealed. A lithium slurry battery module containing the no-liquid cell-core is also provided.
Intermittently coated battery electrode manufacturing method
An intermittently coated battery electrode manufacturing method capable of preventing a positional displacement from occurring between a first surface of a collector and a second surface opposed to the first surface. The intermittently coated battery electrode manufacturing method includes: forming, at a part of a strip-shaped collector where an active material is not coated, a front end indicator indicating a front end of the active material to be intermittently coated on the collector; performing coating of the active material on a first surface of the collector based on a detection signal of the front end indicator to form an intermittent coating layer; and starting coating of the intermittent coating layer on a second surface opposite to the first surface based on the detection signal of the same front end indicator as that used for forming the active material coating layer on the first surface.
New lithium-doped Pernigraniline-based materials
The present invention relates to a new lithium-doped Pernigraniline-based material, a method for the preparation thereof, its use in various applications, an electrode comprising said lithium-doped Pernigraniline-based material and its preparation method, a membrane comprising said lithium-doped Pernigraniline-based material and its preparation method, and an electrochemical storage system comprising said electrode.