NEGATIVE-ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY, AND SECONDARY BATTERY

NEGATIVE-ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY, AND SECONDARY BATTERY

A negative-electrode active material for secondary batteries according to one aspect of the present invention comprises: core particles comprising a material which occludes and releases lithium metal; a first layer, which has been formed on the surface of each core particle; and a second layer, whic...

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Hauptverfasser: Shiozaki, Tomoki, Nakayama, Takahito, Furusawa, Daisuke
Format: Patent
Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator Shiozaki, Tomoki
Nakayama, Takahito
Furusawa, Daisuke
description A negative-electrode active material for secondary batteries according to one aspect of the present invention comprises: core particles comprising a material which occludes and releases lithium metal; a first layer, which has been formed on the surface of each core particle; and a second layer, which has been formed on the first layer. The first layer comprises at least one substance selected from among amorphous carbon, carbon nanotubes, carbon nanofibers, and electroconductive polymers. The second layer comprises at least one inorganic compound selected from among oxides, phosphoric acid compounds, silicic acid compounds, and boric acid compounds.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title NEGATIVE-ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY, AND SECONDARY BATTERY
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