▎ 摘　　要

NOVELTY - The method for the preparation of a new energy automotive battery pole piece involves adding graphene oxide to a vessel containing hydrogen chloride solution, dispersing with deionized water, adding the mixture to a micro-explosion reactor, adding potassium chlorate solution, adding hydrogen peroxide to carry out micro-explosion reaction, mixing graphene nanorods and tin tetrachloride and then dissolving in water, adding reducing agent to react, filtering, washing, and drying to obtain tin dioxide/graphene nanorod composite negative electrode material. USE - Method is useful for the preparation of a new energy automobile battery pole piece (claimed). ADVANTAGE - The method enables simple preparation of the new energy automobile battery pole piece with excellent hydrogen storage performance. The pole piece improves performance of the battery and prolongs the service life of the battery. DETAILED DESCRIPTION - The method for the preparation of a new energy automotive battery pole piece involves adding graphene oxide to a vessel containing hydrogen chloride solution, dispersing with deionized water, stirring, adding the mixture to a micro-explosion reactor, adding potassium chlorate solution, adding hydrogen peroxide to carry out micro-explosion reaction to obtain an oxidized graphene nanorods having a crimped configuration, uniformly mixing graphene nanorods and tin tetrachloride and then dissolving in water at a certain mass ratio, adding reducing agent to react, filtering, washing, drying to obtain tin dioxide/graphene nanorod composite negative electrode material, mixing tin dioxide/graphene nanorod composite negative electrode material, adhesives, conductive agent and water, crushing to obtain a negative electrode slurry, and coating the negative electrode slurry on a copper foil, drying, rolling, and cutting to obtain a pole piece.