国家/地区 中国（5）
IPC部 C（5）
IPC大类 C01（5）
IPC小类 C01B（5）
IPC C01B032/184（3） C01B032/19（2）
发明人 REN M（5）
公开年 2018（5）
申请年 2016（5） 
专利权人 BYD CO LTD（5）

Preparation of nitrogen-doped graphene aggregates used as e.g. electrode material, involves oxidizing layered graphite and acid solution to obtain expandable graphite and performing solid-phase treatment in presence of volatile amine vapor.

CHEN G, LIN X, REN M, WU M, SUN R

Preparation of nitrogen-doped porous graphene aggregate used for lithium ion batteries, comprises oxidizing layered graphite, oxidizing agent and acid solution and subjecting expandable graphite to high-temperature solid phase treatment.

LIN X, REN M, CHEN G, WU M, SUN R

High-expansion volume graphene aggregate useful as conductive material, cathode material or anode material in lithium ion battery.

LIN X, ZHOU S, REN M, WU M, SUN R, WANG W, YANG J

Preparing graphene comprises dispersing layered graphite in a solvent to obtain dispersion solution, carrying high pressure extrusion and obtaining graphene dispersion.

LIN X, REN M, WU M, SUN R, WANG W, ZHOU S, LIN W, YANG J

Graphene aggregate composite material used in preparing graphene aggregate energy storage material, lithium ion battery or graphene powder, comprises multilayer graphene layer and nanoparticles deposited between different graphene layer.

LIN X, WU M, REN M, SUN R, WANG W, ZHOU S, LIN W, YANG J