NEGATIVE-ELECTRODE ACTIVE MATERIAL AND ELECTRIC STORAGE APPARATUS

A negative-electrode active material is provided, the negative-electrode active material including: a lamellar polysilane having a structure in which multiple six-membered rings constituted of a silicon atom are disposed one after another, and expressed by a compositional formula, (SiH)n, as a basic...

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Bibliographische Detailangaben
Hauptverfasser:	NAKANISHI MASATAKA, MORI TAKASHI, MURASE MASAKAZU, SUGIYAMA YUSUKE, HIRATE HIROSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ELECTRICITY MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A negative-electrode active material is provided, the negative-electrode active material including: a lamellar polysilane having a structure in which multiple six-membered rings constituted of a silicon atom are disposed one after another, and expressed by a compositional formula, (SiH)n, as a basic skeleton; and the negative-electrode active material containing copper in an amount of from 0.01 to 50% by mass. To contain copper results in upgrading electron conductivity. Consequently, an electric storage apparatus using the negative-electrode active material for one of the negative electrodes has upgraded rate characteristic, and also has augmented charged and discharged capacities.