国家/地区 中国（5） 日本（2） 美国（2）
IPC部 C（5）
IPC大类 C01（5）
IPC小类 C01B（5）
IPC C01B025/45（5）
发明人
公开年 2015（3） 2014（2）
申请年 2014（5）
专利权人

Electrode material for paste used for electrodes of lithium ion battery comprises carbonaceous film which has graphene layer and is formed on surface of electrode active material particle with olivine-type crystal structure.

KITAGAWA T, MINE H, YASUMIISHI H, ONO K, OONO K

Graphene coated lithium-manganese-iron-phosphate cathode material is prepared by dissolving manganese and phosphate sources in deionized water, adding oxidizing agent in manganese source solution, mixing solutions to obtain mixed solution.

LI Z, LIU L, SONG C

Conductive carbon used in material for forming electrodes, comprises hydrophilic solid-phase component having preset microcrystal size in graphene surface direction calculated from Raman spectrum.

ISHIMOTO S, KUBOTA S, MINATO Y, NAOI K, NAOI W, TAMAMITSU K

Preparing vanadium phosphate sodium oxide/graphene composite material comprises stirring e.g. sodium salt, vanadium salt, citric acid and deionized water, drying, grinding, dispersing, adding graphene oxide solution and freeze-drying.

REN M, LIU W, ZHAO D, ZHOU G

Preparing composite material involves stirring graphene oxide suspension in ultrasonic device, and then adding ferric sulfate solution, vanadium and sodium silicate solution in ultrasonic device.

LI H, ZHENG J, ZHANG B, WANG X, ZHANG J, YUAN X