▎ 摘　　要

NOVELTY - A silicon/graphene/carbon composite fiber membrane negative electrode sheet preparing method involves forming silicon/graphene/carbon composite fiber membrane negative pole piece by in-situ attachment of a silicon oxide/graphene/carbon composite nanofiber membrane on a surface of the silicon oxide/graphene membrane by an electrospinning method. USE - Method for preparing a silicon/graphene/carbon composite fiber membrane negative electrode sheet for use in lithium ion battery (claimed). ADVANTAGE - The method increases the adhesion between the active material and the current collector, reduces the contact resistance between the current collector and the active material, and improves the electrochemical performance and service life of a lithium ion battery. DETAILED DESCRIPTION - A silicon/graphene/carbon composite fiber membrane negative electrode sheet preparing method involves forming silicon/graphene/carbon composite fiber membrane negative pole piece by in-situ attachment of a silicon oxide/graphene/carbon composite nanofiber membrane on a surface of the silicon oxide/graphene membrane by an electrospinning method, when the value range of the x is 0 less than or equal to x not less than 2. An INDEPENDENT CLAIM is also included for a silicon/graphene/carbon composite fiber membrane negative electrode sheet prepared by the method.