Sodium-oxygen batteries with alkyl-carbonate and ether based electrolytes

被引：119

作者：

Kim, Jinsoo ^{[1
]}

Lim, Hee-Dae ^{[1
]}

Gwon, Hyeokjo ^{[2
]}

Kang, Kisuk ^{[1
]}

机构：

[1] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151742, South Korea

[2] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2013年 / 15卷 / 10期

基金：

新加坡国家研究基金会;

关键词：

LI-O-2; BATTERY; SUPEROXIDE; ION; DECOMPOSITION; DIOXIDE;

D O I：

10.1039/c3cp43225d

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Recently, metal-air batteries, such as lithium-air and zinc-air systems, have been studied extensively as potential candidates for ultra-high energy density storage devices because of their exceptionally high capacities. Here, we report such an electrochemical system based on sodium, which is abundant and inexpensive. Two types of sodium-oxygen batteries were introduced and studied, i.e. with carbonate and non-carbonate electrolytes. Both types could deliver specific capacities (2800 and 6000 mA h g(-1)) comparable to that of lithium-oxygen batteries but with slightly lower discharge voltages (2.3 V and 2.0 V). The reaction mechanisms of sodium-oxygen batteries in carbonate and non-carbonate electrolytes were investigated and compared with those of lithium-oxygen batteries.

引用

页码：3623 / 3629

页数：7

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