Interface Promoted Reversible Mg Insertion in Nanostructured Tin-Antimony Alloys

被引：111

作者：

Cheng, Yingwen ^{[1
]}

Shao, Yuyan ^{[1
,2
]}

Parent, Lucas R. ^{[2
,3
]}

Sushko, Maria L. ^{[3
]}

Li, Guosheng ^{[1
]}

Sushko, Peter V. ^{[3
]}

Browning, Nigel D. ^{[2
,3
]}

Wang, Chongmin ^{[2
,4
]}

Liu, Jun ^{[1
,2
]}

机构：

[1] Pacific NW Natl Lab, Energy & Environm Directorate, Richland, WA 99352 USA

[2] Pacific NW Natl Lab, Joint Ctr Energy Storage Res, Richland, WA 99352 USA

[3] Pacific NW Natl Lab, Fundamental & Computat Sci Directorate, Richland, WA 99352 USA

[4] Pacific NW Natl Lab, Environm & Mol Sci Lab, Richland, WA 99352 USA

来源：

ADVANCED MATERIALS | 2015年 / 27卷 / 42期

关键词：

ELECTROLYTE-SOLUTIONS; HIGH-CAPACITY; ANODE MATERIAL; MAGNESIUM; BATTERIES; NA; SN; INTERCALATION; PERFORMANCE; STABILITY;

D O I：

10.1002/adma.201502378

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

An interface promoted approach is developed for guiding the design of stable and high capacity materials for Mg batteries using SnSb alloys as model materials. Experimental and theoretical studies reveal that the SnSb alloy has exceptionally high reversible capacity (420 mA h g(-1)), excellent rate capability, and good cyclic stability for hosting Mg ions due to the stabilization/promotion effects of the interfaces between the multicomponent phases generated during repeated magnesiation-demagnesiation. [GRAPHICS] .

引用

页码：6598 / +

页数：9

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