国家/地区 中国（29） 韩国（4） 世界知识产权组织（3） 美国（2）
IPC部 B（34）
IPC大类 C01（34）
IPC小类 C01B（34）
IPC H01M004/36（34）
发明人 CHEN Y（3） HAN S（2） LI Z（2）
LIU Z（2） TANG H（2）
公开年 2022（34）
申请年 2022（18）  2021（12）  2020（4） 
专利权人

Carbon composite material used as the conductive additive of secondary battery, has three-dimensional structure, and size of at least one dimension is nano level, comprising carbon nano tube graphene and carbon quantum dots, is prepared by taking first electrode as positive electrode in electrolyte.

LIN J, TANG J, HONG J, GUO K, YE Z, LI S, ZHOU Q

Preparing tricobalt tetroxide/nitrogen-doped graphene oxide material useful as sodium ion battery cathode material, comprises e.g. mixing graphene oxide, nitrogen source, cobalt source and water, subjecting suspension to hydrothermal reaction, directly freeze-drying precursor solution.

FANG X, DAI Z, LI D, TANG H, LEI Z, WU Y, TANG L, YUE C, ZHANG W, HU M, CHEN J

Preparing modified ternary positive electrode material for use in lithium ion battery, involves mixing graphene quantum dots and first-fired ternary positive electrode in dispersant, and performing secondary calcination to obtain modified ternary positive electrode material.

HE W, ZENG H, WANG C, TAN X, ZHOU Y

Lithium or sodium-based battery used for e.g. portable electronic device, comprises anode at least partially covered on its side facing electrolyte by at least one artificial solid-electrolyte interphase layer with layer(s) of porous graphene with pores having preset average characteristic width.

CHOI K, HEIGHT M J

Carbon-coated sodium ferric sulfate anode material comprises active sodium ferric sulfate material and carbon-based coating material.

WANG G, WEI Y, CHEN Y, WANG Q, ZHAO J

Preparing graphene oxide-sodium iron phosphate composite anode material, comprises e.g. ultrasonically dispersing graphene oxide in deionized water, continuously and magnetically stirring, transferring for hydrothermal reaction, centrifuging, washing, drying and heat treating.

ZHANG Q, GU J, WEI W

Reduced graphene oxide supported nano-tin composite material used as cathode material of electrochemical cell, comprises reduced graphene oxide and nano-tin particles; the reduced graphene oxide has multi-layer structure, and there are holes and channels between the layers.

YING H, HAN W

Preparing carbon-coated tin selenide used as cathode material of potassium ion battery composite glue-linked three-dimensional graphene comprises e.g. mixing selenium powder, reducing solvent, carrying out hydrothermal reaction, separating, drying, performing uniform phase reaction and calcining.

HUO X, WANG Y, JI Y, HUANG J, LI J, WANG F, LIU W, CAO L

New composite material of graphene composite silicon doped with sodium vanadium phosphate.

GAO Q, XIA K, HAN B, DOU M, SUN R, ZHOU C

Double carbon encapsulated composites material useful as sodium ion battery cathode material, comprises three dimensional open-framework sea sponge-type carbon, reduced graphene oxide bilayer carbon framework and cobalt disulfide /cobalt oxide porous heterojunction nanoparticles.

LI W, ZAN G, SUI R, WEN M