Rechargeable Li-Air Batteries with Carbonate-Based Liquid Electrolytes

被引：352
|
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
收藏
页码：403 / 405
页数：3
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