NON-AQUEOUS SECONDARY BATTERY

To provide a non-aqueous secondary battery that enables repeated Li dissolution deposition in a stable manner, improves discharge capacity maintenance, and improves cycle characteristics.SOLUTION: A non-aqueous secondary battery includes a negative electrode containing metallic Li, a positive electr...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
1. Verfasser:	TSUBOUCHI HIROSHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	To provide a non-aqueous secondary battery that enables repeated Li dissolution deposition in a stable manner, improves discharge capacity maintenance, and improves cycle characteristics.SOLUTION: A non-aqueous secondary battery includes a negative electrode containing metallic Li, a positive electrode, a separator, and an electrolyte, the electrolyte contains fluorinated ethylene carbonate as a solvent at least 85 vol% based on the total amount of solvent, and contains 1.0 to 2.0 mol/L of LiPF6 as an electrolyte.SELECTED DRAWING: None 【課題】繰り返しのＬｉ溶解析出が安定的に可能となり、放電容量の維持性が向上し、サイクル特性を向上させることができる非水系二次電池の提供。【解決手段】金属Ｌｉを含む負極、正極、セパレータ、及び電解液を有し、電解液は、溶媒としてフッ素化エチレンカーボネートを全溶媒量に対し８５体積％以上含み、電解質としてＬｉＰＦ６を１．０～２．０ｍоｌ／Ｌ含む、非水系二次電池。【選択図】なし