国家/地区 中国（17）
IPC部 B（18）
IPC大类 B82（18）
IPC小类 B82Y（18）
IPC H01M004/36（18）
发明人 LI J（2）
公开年 2022（14） 2023（4）
申请年 2022（18）
专利权人

New lithium-ion battery cathode material useful in coating layer in cathode of lithium-ion batteries.

REN Z, CHEN Z, YANG Y, SHEN L

Preparation of silicon carbon negative electrode material used in lithium-ion battery, involves mixing silicon source and amino graphene, adding initiator to prepare halogenated composite material, mixing with catalyst, electrolyte, reaction monomer, and solvent, separating and calcining.

CHENG H, GENG M, LI C, CHEN B, TAN Y, PENG S

Preparing carbon/graphene/lithium titanate composite cathode material comprises e.g. adding sulfuric acid into three-necked flask, dissolving titanium source composite in isopropanol, ultrasonically treating, calcining powder, and adding composite material into absolute ethanol.

CAI H, WU X, ZHANG P, LI X, LI J, LAI X, ZHU J

Surface modified anode material comprises coating layer coated on surface of lithium iron phosphate material and coating layer preferably continuous composite phase formed by uniformly mixing metal oxide comprising at least one of e.g. oxides of manganese and/or nickel and carbon layer.

YANG S, PEI J, WANG X, WANG W, DUAN T

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

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

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