LITHIUM SECONDARY BATTERY AND POSITIVE ELECTRODE FOR THE BATTERY

The lithium secondary battery positive electrode provided by the present invention has a positive electrode collector and a positive active material layer formed on the collector. The positive active material layer is composed of a matrix phase containing at least one particulate positive active mat...

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Bibliographic Details
Main Authors WASADA, KEIKO, YUASA, SACHIE, ABE, TAKESHI, TSUJIKO, AKIRA, HARA, TOMITARO
Format Patent
LanguageEnglish
French
Published 19.01.2016
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Summary:The lithium secondary battery positive electrode provided by the present invention has a positive electrode collector and a positive active material layer formed on the collector. The positive active material layer is composed of a matrix phase containing at least one particulate positive active material and at least one binder, and an aggregate phase dispersed in the matrix phase, constituted by aggregation of at least one particulate positive active material and containing substantially no binder. L'invention porte sur une cathode pour batterie secondaire au lithium, laquelle cathode comporte un collecteur de cathode et une couche de matériau actif de cathode formée sur le collecteur. De plus, la cathode comprend : une phase de matrice comprenant au moins un type de matériau actif de cathode granuleux et au moins un type de matériau liant ; et une phase coagulée qui est dispersée dans la matrice et qui comprend au moins un type de matériau actif de cathode granuleux qui est coagulé et qui ne comprend sensiblement aucun matériau liant.
Bibliography:Application Number: CA20092775303