About 50 results
https://drivepatents.com/patents/1372314 · 2 Jan 2025
An electrode film rolled web includes an adhesive layer, and a positive active material layer laminated on the adhesive layer, where the adhesive layer includes a particulate conductive material and a binder, the binder contains a first polyisobutylene tha...
https://drivepatents.com/patents/1372311 · 2 Jan 2025
A multi-layer, lithium anode assembly for use in a lithium-based battery can include a substrate region having a current collector comprising a continuous copper foil that is between 4 and 10 microns thick and has a lithium compatible support surface. A li...
https://drivepatents.com/patents/1366568 · 11 Jul 2024
An electroactive material for an electrochemical cell that cycles lithium ions is provided. The electroactive material includes a plurality of atomic layers and a plurality of cations disposed between the atomic layers. The plurality of atomic layers inclu...
https://drivepatents.com/patents/1366567 · 11 Jul 2024
Systems and methods are provided for silicon with a carbon-based coating for lithium-ion battery electrodes. An example electrode, for use in an electrochemical cell, includes an active material that includes a plurality of silicon particles, with each sil...
https://drivepatents.com/patents/1366569 · 11 Jul 2024
A dual-layer gradient electrode structure is provided for optimizing power and energy density in batteries. In use, for an electrode of a lithium-based battery, the electrode includes a first layer above an electrically conductive substrate, the first laye...
LITHIUM COMPOSITE OXIDE AND POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY CONTAINING SAME
https://drivepatents.com/patents/1366571 · 11 Jul 2024
A positive electrode active material including a first lithium composite oxide particle including a secondary particle formed by aggregation of one or more primary particles, and a coating oxide occupying at least a part of at least one of surfaces of the ...
https://drivepatents.com/patents/1366572 · 11 Jul 2024
An electrode material has a solid concentration of 72% or more. It includes a composite particle, a sulfide solid electrolyte, and a solvent. The composite particle includes an active material and a fluoride solid electrolyte. The fluoride solid electrolyt...
https://drivepatents.com/patents/971107 · 20 Aug 2014
The present invention relates to a silicon-based composite including a silicon oxide which is coated thereon with carbon and bonded therein to lithium. The present invention also relates to a method of producing a silicon-based composite, comprising coatin...
https://drivepatents.com/patents/985199 · 3 Apr 2013
In a non-aqueous electrolyte secondary battery, a first active material of a positive electrode includes at least one of carbon-coated LiFePO 4 , LiMnPO 4 and Li 3 V 2 (PO 4 ) 3 . A second active material of the positive electrode includes lithium nickel c...
https://drivepatents.com/patents/1088998 · 10 Mar 2004
A negative electrode material for a non-aqueous electrolyte secondary battery of the present invention is a negative electrode material for a non-aqueous electrolyte secondary battery capable of reversibly absorbing and desorbing lithium, and it includes a...