国家/地区 中国（139） 世界知识产权组织（34） 韩国（32） 日本（11） 美国（11） 欧洲专利局（EPO）（7） 台湾（6） 加拿大（2） 印度（2）
IPC部 C（183） H（183） B（54）
D（3）
IPC大类 C01（183）
IPC小类 C01B（183）
IPC H01M004/62（183）
发明人 LI Z（10） LIU Y（8） CHEN Y（7）
WU J（7） LI J（6） LI S（6）
LI X（6） LI Y（6） HAN S（5）
LIM J（5） LIU H（5） WANG Q（5）
WANG X（5） YANG H（5） HYUN L J（4）
公开年 2022（183）
申请年 2021（91）  2022（73）  2020（19） 
专利权人 SEMICONDUCTO.（6） DAEJOO ELECT.（4） GUANGZHOU ZH.（4） TIANJIN AIKE.（4）
EVERGRANDE N.（3） HEFEI GUOXUA.（3） LG ENERGY SO.（3） UNIV KEIMYUN.（3）
ANHUI ZHENGX.（2） BEIJING EASP.（2） CHINA THREE .（2） KOREA ELECTR.（2）
KOREA INST S.（2） NINGDE AMPER.（2） SHAANXI COAL.（2） SHANDONG HAI.（2）
SHENZHEN JIN.（2） SNU R DB FO.（2） UNIV CENT SO.（2） UNIV PEKING（2）

Preparing cobalt-niobium-oxide useful in lithium ion battery cathode material, composite porous graphene composite material comprises obtaining graphene oxide dispersion, adding hydrogen peroxide solution into graphene oxide dispersion, heating, adding cobalt and niobium oxide and ball milling.

CHEN Y, CHEN P

Active material used for negative electrode, comprises core, and shell comprising metal particles which are one or more of magnesium, aluminum, silicon, calcium, iron, manganese, cobalt, nickel, zinc, and germanium, coated with alkali-metal-containing material on all or portion of particle surface.

KWON S, HONG S, KANG S, SHIM H, PARK B, HONG S H, SUNGHWAN K, SHIM H W, PARK B H

Preparing hard carbon-soft carbon-fast ion conductor composite material involves weighing the lignin, starch, rare earth coupling agent, crosslinking agent, and graphene oxide solution to disperse uniformly, passing hydrothermal reaction, filtering, freezing and drying.

LIANG J

Comprehensive resource recovery and reuse of titanium dioxide by-product ferrous sulfate and waste graphite cathode materials, comprises e.g. mixing titanium dioxide by-product ferrous sulfate and waste graphite cathode material with high-molecular organic matter and calcining.

LI Q, LI J, WU C, HAO X, LI L, CHEN M, QI J, SHEN X, SHANGGUAN E

Preparing reduced graphene oxide powder of lithium-ion modification, involves adding washed graphene oxide slurry to lithium hydroxide solution, heating, elutriating, homogenizing, spraying and granulating graphene oxide-lithium slurry.

TANG X, CHEN Q, CAI J

Preparing sulfur-graphene-based microporous carbon-lithium-sulfur battery anode material, comprises pouring glucose and surfactant into graphene oxide, mixing and grinding powdered graphene-based carbon material with chemical activator, naturally cooling, and take out sample.

SHI Z, WANG J, YU C, XU C, DU R

High energy density cathode composite material in which inner core is graphite and is covered by amorphous carbon/lithium-iron-cobalt-oxygen composite material.

DU H

Preparing niobium pentoxide/graphene lithium ion negative electrode material involves taking niobium oxalate and graphene conductive slurry for subsequent use, adding distilled water, dissolving oxalic acid niobium to form niobium oxalate solution and adding niobium oxalate solution.

WANG X, LI J, ZHANG H, QIAO Y, LUO J

Preparing carbon-coated lithium manganate involves acid leaching pyrolusite, mixing formed manganese dioxide crystal with sulfur dioxide and solvent, mixing formed bivalent manganese with potassium permanganate, oxidizing, mixing formed manganese dioxide with lithium and carbon sources, calcining.

MA Y, HE Z, CAI B

Aqueous secondary lithium battery used for power battery of electric vehicle, has anode, cathode, separator and mixed salt electrolyte, where cathode material of cathode is binary niobium-based oxide composite material and mixed-salt electrolyte comprises e.g. mixed salt of aqueous lithium salt.

CHEN L, ZHU X, SUO L