Rechargeable Li-Air Batteries with Carbonate-Based Liquid Electrolytes

被引：353

作者：

Mizuno, Fuminori ^{[1
]}

Nakanishi, Shinji ^{[1
]}

Kotani, Yukinari ^{[1
]}

Yokoishi, Shoji ^{[1
]}

Iba, Hideki ^{[1
]}

机构：

[1] Toyota Motor Co Ltd, Battery Res Div, Higashifuji Tech Ctr, Shizuoka 4101193, Japan

来源：

ELECTROCHEMISTRY | 2010年 / 78卷 / 05期

关键词：

Li-Air Battery; Rechargeablility; Air Cathode; Li2O2; LITHIUM; OXYGEN;

D O I：

10.5796/electrochemistry.78.403

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Rechargeable Li-air battery is a candidate for post Li-ion battery with high energy density. In this paper, the rechargeability of Li-air battery over 100 cycles was confirmed and its capacity retention over 60% was achieved. Nevertheless, a large voltage gap between the discharge-charge profiles was observed. Here, a discharged product formed on a cathode was investigated by TEM observation and FT-IR spectroscopy. It was found that the main product formed in discharge was not an ideal compound, Li2O2, but was carbonate species issued from the decomposition of carbonate-based electrolyte solvent.

引用

页码：403 / 405

页数：3

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