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1. WO2018198282 - 炭素-珪素複合材、負極、二次電池

公開番号 WO/2018/198282
公開日 01.11.2018
国際出願番号 PCT/JP2017/016802
国際出願日 27.04.2017
IPC
H01M 4/36 2006.01
H電気
01基本的電気素子
M化学的エネルギーを電気的エネルギーに直接変換するための方法または手段,例.電池
4電極
02活物質からなるまたは活物質を含有した電極
36活物質,固形活物質,流体活物質の材料の選択
H01M 4/38 2006.01
H電気
01基本的電気素子
M化学的エネルギーを電気的エネルギーに直接変換するための方法または手段,例.電池
4電極
02活物質からなるまたは活物質を含有した電極
36活物質,固形活物質,流体活物質の材料の選択
38元素または合金
CPC
H01M 10/0525
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
052Li-accumulators
0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
H01M 2004/021
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
021Physical characteristics, e.g. porosity, surface area
H01M 2004/027
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
026characterised by the polarity
027Negative electrodes
H01M 4/0471
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
04Processes of manufacture in general
0471involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
H01M 4/133
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
133Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/134
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
134Electrodes based on metals, Si or alloys
出願人
  • テックワン株式会社 TEC ONE CO., LTD. [JP]/[JP]
発明者
  • 北野 高広 KITANO Takahiro
代理人
  • 前島 大吾 MAEJIMA Daigo
  • 畠山 順一 HATAKEYAMA Junichi
  • 宇高 克己 UDAKA Katsuki
優先権情報
公開言語 (言語コード) 日本語 (JA)
出願言語 (言語コード) 日本語 (JA)
指定国 (国コード)
発明の名称
(EN) CARBON-SILICON COMPOSITE MATERIAL, NEGATIVE ELECTRODE AND SECONDARY BATTERY
(FR) MATÉRIAU COMPOSITE CARBONE-SILICIUM, ÉLECTRODE NÉGATIVE ET BATTERIE SECONDAIRE
(JA) 炭素-珪素複合材、負極、二次電池
要約
(EN)
A carbon-silicon composite material which is suitable as a battery negative electrode material. This carbon-silicon composite material is configured such that silicon particles are present in a thermolysis product of a resin; and if this carbon-silicon composite material is immersed in an electrolyte solution ((ethylene carbonate)/(diethyl carbonate) at the volume ratio of 1/1) under the conditions of 760 mmHg, 30°C and 60 min, the absorption amount of the electrolyte solution per 1 g of this carbon-silicon composite material is 0.65-1.5 mL.
(FR)
L'invention concerne un matériau composite carbone-silicium qui est approprié en tant que matériau d'électrode négative de batterie. Ce matériau composite carbone-silicium est conçu de telle sorte que des particules de silicium sont présentes dans un produit de thermolyse d'une résine ; et si ce matériau composite carbone-silicium est immergé dans une solution électrolytique ( (carbonate d'éthylène)/ (carbonate de diéthyle)) dans les conditions de 760 mmHg, 30 °C et 60 min, la quantité d'absorption de la solution électrolytique pour 1 g de ce matériau composite carbone-silicium est de 0,65 à 1,5 mL.
(JA)
電池負極材として好適な炭素-珪素複合材である。珪素粒子が樹脂熱分解物中に存在する炭素-珪素複合材であって、前記炭素-珪素複合材を、760mmHg,30℃,60minの条件下で、電解液((エチレンカーボネート/ジエチルカーボネート(1/1(体積比)))中に浸漬した場合、前記炭素-珪素複合材1g当たりの前記電解液の吸液量が0.65~1.5mLである。
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