国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3） H01（3）
IPC小类 C01B（3）
IPC C01B025/45（3）
发明人 CHEN C（3）
公开年 2021（2）
申请年 2021（2） 
专利权人 HUBEI WANRUN.（2）

Preparing sodium-iron ortho-pyrophosphate useful in sodium ion battery anode comprises e.g. dispersing ferric phosphate, sodium source, phosphorus source and carbon source in de-ionized water, placing in sand mill, and grinding.

CAO Y, CHEN C, FU C, ZHAO A, XIONG J, WANG Q, CHEN S

Preparing sodium-iron-based mixed-phosphate by using homogeneous method useful as sodium ion battery cathode material in sodium ion battery, comprises e.g. taking sodium, iron, phosphorus and carbon sources, and adding organic solvent.

CAO Y, CHEN C, FU C, ZHAO A, XIONG J, WANG Q, CHEN S

Lithium iron phosphate composite material comprises lithium iron phosphate and noncontinuously covering graphene surface.

KONG L, CHEN C, SHANG W, CHEN Y, REN C