AQUEOUS SEPARATOR SLURRY COMPOSITION

• Main Authors: AMIN-SANAYEI, Ramin, YE, Hunter
• Format: Patent
• Language: English; French
• Published: 02.11.2023
• Subjects: ADHESIVES; BASIC ELECTRIC ELEMENTS; CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; DYES; ELECTRICITY; EXPLOSIVES; EXPLOSIVES OR THERMIC COMPOSITIONS; FILLING PASTES; INKS; MANUFACTURE THEREOF; MATCHES; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; USE OF MATERIALS THEREFOR; USE OF SINGLE SUBSTANCES AS EXPLOSIVES; WOODSTAINS

The invention relates to an aqueous slurry composition comprising an aqueous-baed polymeric binder and anionic oxide nanoparticles that can be used, for example, in coating of electrodes and/or separators in electrochemical devices. This coating after drying, is highly porous, electronically isolating, and exhibits high dimensional stability at elevated temperatures. L'invention concerne une composition de bouillie aqueuse comprenant un liant polymère à base aqueuse et des nanoparticules d'oxyde anionique pouvant être utilisée, par exemple, dans le revêtement d'électrodes et/ou de séparateurs dans des dispositifs électrochimiques. Ce revêtement après séchage est hautement poreux, isolant électroniquement et présente une stabilité dimensionnelle élevée à des températures élevées.