CARBON MATERIAL, ELECTRODE MATERIAL FOR HYBRID CAPACITOR, ELECTRODE FOR HYBRID CAPACITOR, AND HYBRID CAPACITOR

• Main Authors: NAGANO SHO, SASAGAWA NAOKI, CHO TAE-HYUNG
• Format: Patent
• Language: English; Japanese
• Published: 19.10.2023
• Subjects: BASIC ELECTRIC ELEMENTS; CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE; ELECTRICITY

To provide a carbon material that can effectively improve output characteristics while increasing the capacity of a power storage device.SOLUTION: A carbon material used as an electrode material for a power storage device has a porous structure in which the carbon material has a BET specific surface area of 30 m2/g or more and 500 m2/g or less, the content of the carbon material having a graphene layered structure in the carbon material is 70% by weight or more and 99.5% by weight or less, and the pore diameter is 50 nm or more and 1 μm or less.SELECTED DRAWING: None 【課題】蓄電デバイスの容量を高めつつ、出力特性を効果的に向上させることができる、炭素材料を提供する。【解決手段】蓄電デバイスの電極材料に用いられる炭素材料であって、前記炭素材料のＢＥＴ比表面積が、３０ｍ２／ｇ以上、５００ｍ２／ｇ以下であり、前記炭素材料中におけるグラフェン積層構造を有する炭素材料の含有量が、７０重量％以上、９９．５重量％以下であり、空隙径が５０ｎｍ以上、１μｍ以下の多孔質構造を有する、炭素材料。【選択図】なし