COPPER-CONTAINING LAYERED POLYSILANE, NEGATIVE ELECTRODE ACTIVE MATERIAL AND POWER STORAGE DEVICE

PROBLEM TO BE SOLVED: To provide a negative electrode active material whose electron conductivity is improved.SOLUTION: As a negative electrode of a secondary battery, a copper-containing layered polysilane which is composed of layered polysilane which forms a structure in which a plurality of six-m...

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Hauptverfasser:	NAKANISHI MASATAKA, MORI TAKASHI, MURASE MASAKAZU, SUGIYAMA YUSUKE, HIRATE HIROSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a negative electrode active material whose electron conductivity is improved.SOLUTION: As a negative electrode of a secondary battery, a copper-containing layered polysilane which is composed of layered polysilane which forms a structure in which a plurality of six-membered rings composed of silicon atoms are arranged in a row and being represented by a compositional formula: (SiH)as a basic skeleton, and copper which exists between layers of the layered polysilane and contains 0.01 to 50 mass%. Electron conductivity is improved by containing copper. Due to its reason, in a power storage device using the negative electrode active material in a negative electrode, rate characteristics are improved and charge/discharge capacity is increased.