LITHIUM ION BATTERY

PROBLEM TO BE SOLVED: To provide a lithium ion secondary battery excellent in cycle characteristics.MEANS FOR SOLVING THE PROBLEM: A lithium ion secondary battery comprises a positive electrode, a negative electrode, a separator, and an electrolytic solution. The positive electrode has a collector a...

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Bibliographische Detailangaben
Hauptverfasser:	TAKEI KOICHI, KONNO KAORU, MIKUNI HIROKI, HABA EISUKE, NISHIYAMA HIROO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS 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 lithium ion secondary battery excellent in cycle characteristics.MEANS FOR SOLVING THE PROBLEM: A lithium ion secondary battery comprises a positive electrode, a negative electrode, a separator, and an electrolytic solution. The positive electrode has a collector and a positive electrode mixture formed to the collector, and the positive electrode mixture includes a laminar lithium, nickel, manganese, and cobalt composite oxide and an aluminum silicate in which a carbon is disposed to a surface.SELECTED DRAWING: Figure 1 【課題】サイクル特性に優れるリチウムイオン二次電池を提供する。【解決する手段】正極、負極、セパレータ、及び電解液と、を備えるリチウムイオン二次電池であって、前記正極が、集電体と前記集電体に形成された正極合剤とを有し、前記正極合剤が、層状型リチウム・ニッケル・マンガン・コバルト複合酸化物及び表面に炭素を配置したアルミニウムケイ酸塩を含むリチウムイオン二次電池。【選択図】図１