CARBON COATED SILICON MATERIAL

• Main Authors: OSHIMA, Hiroki, IYAMA, Ayato, MOHRI, Takashi, FUJISAWA, Hiroki
• Format: Patent
• Language: English; French; Japanese
• Published: 08.08.2019
• Subjects: BASIC ELECTRIC ELEMENTS; CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE; CHEMISTRY; COMPOUNDS THEREOF; ELECTRICITY; INORGANIC CHEMISTRY; METALLURGY; NON-METALLIC ELEMENTS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

Provided is a new silicon material for providing secondary batteries with superior performance. This carbon coated silicon material comprises a silicon material and a carbon film that coats the silicon material and is characterized in that a b*value of the L*a*b color space is -10<b*<0.34. L'invention concerne un nouveau matériau de silicium destiné à fournir des batteries secondaires dotées d'une performance supérieure. Le matériau de silicium revêtu de carbone comprend un matériau de silicium et un film de carbone qui revêt le matériau de silicium, et est caractérisé en ce qu'une valeur b* de l'espace de couleur L*a*b est de -10 < b* < 0,34. 優れた性能の二次電池を提供するための、新たなシリコン材料を提供する。　シリコン材料と、前記シリコン材料を被覆する炭素膜と、を含有する炭素被覆シリコン材料であって、　Ｌ＊ａ＊ｂ＊表色系のｂ＊値が－１０＜ｂ＊＜０．３４であることを特徴とする炭素被覆シリコン材料。