国家/地区 中国（4）
IPC部 C（4） B（2）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B031/02（4）
发明人 LIU Z（4）
公开年 2009（3）
申请年 2009（4）
专利权人 NINGBO INST .（2）

Cathode active material for lithium-ion secondary battery, is prepared by dispersing graphene or oxidized graphene and lithium iron phosphate into water solution to obtain cathode active material.

LIU Z, YANG S, ZHOU X

Preparation of graphene sol involves adding polymer surfactant and hydrazine hydrate to oxidized graphene colloidal solution formed by reducing oxidized graphene stripping obtained by oscillating oxidized graphite mother liquor.

LIU Z, ZHOU X

Preparation of single-layered graphene by centrifuging single-layered oxidized graphite slice solution, drying solid in vacuum to obtain graphene solid, dispersing graphene solid into dimethyl sulfoxide, mixing, reacting, and filtering.

CAO A, LIU Y, LIU Z, WU M, YE Z

Cutting graphene for developing flexible electronic surfaces involves constructing raised titanium dioxide nanometer structural layer on quartz substrate to obtain titanium dioxide mask, contacting with graphene sheet, and irradiating.

LIU Z, ZHANG L