国家/地区 中国（31）
IPC部 C（31）
IPC大类 C01（31） H01（11） B82（5）
B01（2） C04（2） C08（2）
C09（2） C23（2） C25（2）
IPC小类 C01B（31）
IPC C01B032/184（17） C01B031/04（8） H01G011/36（5）
H01M004/88（4） B82Y040/00（3） C01B032/198（3）
H01G011/86（3） B82Y030/00（2） C01B032/19（2）
C09K011/65（2） C25B011/06（2） H01G011/44（2）
H01M004/583（2） H01M004/90（2）
发明人 LI Z（31）
公开年 2017（21） 2016（9）
申请年 2016（31）
专利权人 UNIV SHANDON.（10） CHINESE ACAD.（4） SHAANXI YIPI.（2） UNIV CHANGCH.（2）

Preparing controllable graphene layers involves taking expanded graphite as cathode and anode, applying bidirectional alternating pulse voltage between cathode and anode, and carrying out electrolysis using acidic electrolyte.

JINYANG F, LI Z, XIAODONG H, YUFEI H

Preparation of graphene oxide by Hummers method includes adding graphite powder with sulfuric acid and phosphoric acid mixed solution, under ice bath condition, adding potassium permanganate, reacting, stirring and cooling.

LI Z

Preparation of nitrogen-doped graphene having high nitrogen content by selecting polymer chain comprising aromatic rigid benzimidazole and molecules containing nitrogen-rich elements in imidazole ring and terminal amino group.

LI Z, WANG S, LU X

Preparing two-dimensional nitrogen-doped graphene having high nitrogen content comprises e.g. taking polybenzimidazole as aromatic soluble carbon and nitrogen sources and regulating hydrophobicity and interlayer spacing of templating agent.

LI Z, WANG S, LU X

Preparing large area less grained graphene oxide film by esterification reaction comprises e.g. preparing colloidal graphene by modified Hummers method, configuring certain percentage of colloidal graphene with aqueous solution of catalyst.

WANG L, FAN S, ZHANG P, ZHANG L, YAN C, SUN Y, SUN L, LI Z, PENG Y

Preparation of three-dimensional nitrogen-doped graphene with polybenzimidazole-like macromolecules used for e.g. metal air battery by deacidifying rigid aromatic polybenzimidazole molecule polymer, performing pyrolysis, and activating.

LI Z, ZHAN M, WANG S

Method for preparing three-dimensional nitrogen-doped graphene for use as catalyst for e.g. catalytic oxygen reduction in e.g. fuel cell, involves mixing (2,5-benzimidazole) solution with magnesium oxide template, and pyrolyzing.

LI Z, WANG S, YUE P, ZHANG T

Preparation of three-dimensional graphene iron-cobalt and nitrogen ternary co-doped multi-stage channels with catalytic synergistic effect by mixing polybenzimidazole and nano-calcium carbonate, evaporating, and subjecting into pyrolysis.

LI Z, WANG S, ZHANG T

Preparation of three-dimensional graphene iron-cobalt and nitrogen ternary co-doped multi-stage channels with catalytic synergistic effect by mixing polybenzimidazole and nano-calcium carbonate, evaporating, and subjecting into pyrolysis.

LI Z, WANG S, ZHANG T, LU X

Preparation of three-dimensional graphene iron-cobalt and nitrogen ternary co-doped multi-stage channels with catalytic synergistic effect by mixing polybenzimidazole and nano-calcium carbonate, evaporating, and subjecting into pyrolysis.

LI Z, WANG S, YUE P