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

To provide a negative electrode active material for a nonaqueous secondary battery, which is highly reliable and which enables the reduction in side reaction with an electrolyte solution.SOLUTION: A negative electrode active material for a nonaqueous secondary battery comprises graphite including bo...

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Main Authors NAKATSUTSUMI TAKAYUKI, TAKAHATA MASAHIRO, OKANO TETSUYUKI, MAENISHI MAYUMI, HOJO NOBUHIKO
Format Patent
LanguageEnglish
Japanese
Published 06.12.2018
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:To provide a negative electrode active material for a nonaqueous secondary battery, which is highly reliable and which enables the reduction in side reaction with an electrolyte solution.SOLUTION: A negative electrode active material for a nonaqueous secondary battery comprises graphite including boron; the graphite has an average discharge potential of 0.16 V or more and 0.2 V or less based on Li.SELECTED DRAWING: Figure 1 【課題】電解液との副反応を抑制し、信頼性の高い非水二次電池用負極活物質を提供する。【解決手段】ホウ素を含有する黒鉛を含み、黒鉛のＬｉ基準の平均放電電位が、０．１６Ｖ以上０．２Ｖ以下である、非水二次電池用負極活物質。【選択図】図１
Bibliography:Application Number: JP20180003748