国家/地区 中国（3）
IPC部 H（3） C（2）
IPC大类 H01（3） C01（2）
IPC小类 H01M（3） C01B（2）
IPC H01M010/0525（3）
发明人 CHANG K（3）
公开年 2020（2）
申请年 2019（3）
专利权人 SHANGHAI YUL.（3）

Preparation of three-dimensional graphene lithium ion battery fast charge and negative electrode material includes heating metal sodium and metal potassium, introducing mixture of carbon dioxide and nitrogen-containing gas and crushing.

WANG L, LIU P, XU H, CHEN H, CHANG K, GAO R, WAN W

Preparing nano-copper oxalate three-dimensional graphene anode material used in lithium ion battery, by heating lithium sheet in tube furnace with gas to obtain graphene product, pulverizing, soaking in nitric acid and adding copper powder.

WANG L, DENG J, LIU P, XU H, CHEN H, CHANG K, GAO R, WAN W

Method for preparing silicon/graphene/carbon composite fiber membrane negative electrode sheet for use in lithium ion battery, involves forming silicon/graphene/carbon composite fiber membrane negative pole piece by electrospinning method.

XU H, LIU P, CHEN H, GAO R, CHANG K, WANG L