A new electrode material for rechargeable sodium batteries: P2-type Na2/3[Mg0.28Mn0.72]O2 with anomalously high reversible capacity

被引：310

作者：

Yabuuchi, Naoaki ^{[1
,2
]}

Hara, Ryo ^{[1
]}

Kubota, Kei ^{[1
,2
]}

Paulsen, Jens ^{[3
]}

Kumakura, Shinichi ^{[4
]}

Komaba, Shinichi ^{[1
,2
]}

机构：

[1] Tokyo Univ Sci, Dept Appl Chem, Shinjuku Ku, Tokyo 1628601, Japan

[2] Kyoto Univ, ESICB, Kyoto 6158520, Japan

[3] Umicore Korea Ltd, Cheonan 330200, Chungnam, South Korea

[4] Umicore Japan KK, Chuo Ku, Kobe, Hyogo 6500047, Japan

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2014年 / 2卷 / 40期

基金：

日本学术振兴会;

关键词：

CATHODE; NA; LI;

D O I：

10.1039/c4ta04351k

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：

P2-type Na-2/3[Mg0.28Mn0.72]O-2 is prepared and electrode performance in Na cells is first provided. The sample surprisingly delivers a large reversible capacity (220 mA h g(-1)) even though electrochemically inactive magnesium ions are enriched in the host structure. This new electrode material is potentially utilized for rechargeable batteries made from only earth-abundant elements.

引用

页码：16851 / 16855

页数：5

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