国家/地区 中国（12） 韩国（7） 世界知识产权组织（6）
IPC部 C（20）
IPC大类 C01（20）
IPC小类 C01B（20）
IPC C01B033/02（20）
发明人 CHOI J（3） LEECHANGSUP（3） CHEN M（2）
HOU Q（2） LUO X（2） SHEN J（2）
ZHANG X（2） ZHOU S（2）
公开年 2022（20）
申请年 2021（9）  2022（7）  2020（4） 
专利权人 UNIV KEIMYUN.（3） SUZHOU LIANX.（2）

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

Preparing graphene-coated silicon batch, involves preparing silicon carbon precursor by spray drying and low temperature heat treatment process, and preparing high-temperature and high-vacuum device based on prepared graphene silicon material.

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

Preparing carbon-silicon composite material comprises heating and rotating tubular chamber with carbon-based material, introducing reactive silicon-containing gas mixture, applying thermal treatment, and recovering obtained product.

BURCHAK O, LASSEGUE P

Silicon-containing particles used as particulate active material for negative electrode of secondary lithium-ion electrochemical cell, have specific surface area as determined by Brunauer-Emmet-Teller (BET) analysis.

SAUAR E, KIRKENGEN M, FILTVEDT W

Cathode material useful in cathode sheet of secondary battery for terminal device, comprises an inner core i.e. a substance that can be reversibly inserted into and removed from active ions of anode material and a cladding layer.

LI Z, SUN Y, XIA S, LI Y, XIE F

Method for quickly preparing silicon nano-wire for lithium ion battery, involves dispersing dried cut waste silicon powder and graphene in solvent, filtering suspension, drying to obtain graphene film, and performing pre-reduction.

QIAN G, GONG X, LIU J, LU J, WANG Z

Preparation of functionalized modified graphene oxide used in preparation of negative electrode material, involves dispersing graphene oxide in water to obtain first solution, dispersing organic small molecular substance containing substituent on benzene ring in ethanol to obtain second solution.

JIN H, LI J, XU H

Preparing silicon carbon/graphene composite material useful as anode material for lithium ion batteries, comprises dispersing high conductive material in specific organic solvent, stirring with nano-silicon particles and asphalt, heating, cooling and heating in high temperature carbonization furnace.

CHEN X, YUAN M, LI K, SONG H

Manufacturing graphene quantum dot/silicon/carbon nanomaterial composite useful e.g. for manufacturing secondary battery, comprises e.g. synthesizing graphene quantum dots/silicon nanoparticles/carbon nanofibers or carbon nanotubes complex.

LEECHANGSUP, SERA K, CHOI J

Manufacturing silicon/carbon nanofiber (CNF)/graphene composite for manufacturing secondary battery, by mixing and dispersing silicon nanopowder and CNF in ethanol, ultrasonically processing, adding aqueous graphene oxide solution, stirring, performing vacuum filtration and drying.

LEE C S, CONG R, CHOI J Y, LEECHANGSUP, FEMALE T, CHOI J