国家/地区 中国（107） 韩国（43） 世界知识产权组织（30） 美国（14） 日本（10） 欧洲专利局（EPO）（9） 台湾（3）
IPC部 C（152）
IPC大类 C01（152）
IPC小类 H01M（152） C01B（136） C01G（43）
B82Y（27） H01G（12） B01J（4）
C01F（4） C23C（4） C01D（3）
B22F（2）
IPC H01M004/36（152）
发明人 LI Z（7） CHEN Y（6） LI S（6）
PARK S（6） WANG X（6） KIM J（5）
LEE J（5） LIM J（5） LIU Y（5）
WANG C（5） WANG Q（5） YANG J（5）
HAN J（4） HYUN L J（4） IMSUNGWOO（4）
公开年 2022（152）
申请年 2022（72）  2021（65）  2020（15） 
专利权人 SEMICONDUCTO.（6） DAEJOO ELECT.（4） LG ENERGY SO.（4） SAMSUNG SDI .（4）
GUANGZHOU ZH.（3） KOREA INST E.（3） SHANDONG HAI.（3） UNIV CENT SO.（3）
UNIV KEIMYUN.（3） KOREA ELECTR.（2） KOREA INST S.（2） NINGDE AMPER.（2）
SHENZHEN JIN.（2） SK ON CO LTD（2） SNU R DB FO.（2） SVOLT ENERGY.（2）
UNIV BEIJING.（2） UNIV CHINA G.（2） UNIV MACAU（2） UNIV SEOUL N.（2）

Positive electrode material, comprises inner layer material and coating layer covering inner layer material, where inner layer material is lithium iron manganese phosphate based compound, coating layer comprises niobium carbide MXene and carbon.

PENG X, WANG X, LIU Y

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

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 lithium manganese selenite coated material comprises mixing lithium source, manganese source and selenium source, ball milling, heating, cooling, mixing with graphene, ball milling to obtain precursor, sintering, cooling and grinding.

XU M, HU Z, WANG Z, FANG 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

Preparing high-performance ternary anode material by rapid expansion of supercritical fluids comprises e.g. heating supercritical solution and quickly spraying into reaction chamber, quickly spraying ternary anode material to be coated to collide and react, and collecting the product.

WEI Z, HUANG P, WANG Y, ZHENG G, LIN H

Cathode composition used for lithium secondary battery, comprises cathode active material comprising cathode active material particles having secondary particle shape and cathode active material particles having single particle shape, and conductive material including linear-type conductive material.

LEE Y S, KIM J R, KIM J H, MIN J Y, BAE S W, LEE M R, LEE J Y, JANG H J, ZHANG X, LI Z, LI M, PAE S, MIN J, JIN Z, KIM J, LEE Y, LEE M, LEE J, CHANG H J

Preparing in-situ heteroepitaxial graphene-coated silicon material useful in lithium-ion battery, comprises e.g. removing magnetic impurities in silicon raw material, drying, sand milling, reacting with fluorocarbon radicals, spray drying, low heating and carrying in-situ heterogeneous epitaxy.

ZHOU S, SHEN J, CHEN M, LUO X, HOU Q, ZHANG X