M13 Virus-Directed Synthesis of Nanostructured Metal Oxides for Lithium-Oxygen Batteries

被引：111

作者：

Oh, Dahyun ^{[1
,2
]}

Qi, Jifa ^{[1
,2
]}

Han, Binghong ^{[1
,3
]}

Zhang, Geran ^{[1
,2
]}

Carney, Thomas J. ^{[1
,3
]}

Ohmura, Jacqueline ^{[2
,4
]}

Zhang, Yong ^{[5
]}

Shao-Horn, Yang ^{[1
,3
,6
]}

Belcher, Angela M. ^{[1
,2
,4
]}

机构：

[1] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA

[2] MIT, David H Koch Inst Integrat Canc Res, Cambridge, MA 02139 USA

[3] MIT, Electrochem Energy Lab, Cambridge, MA 02139 USA

[4] MIT, Dept Biol Engn, Cambridge, MA 02139 USA

[5] MIT, Ctr Mat Sci & Engn, Cambridge, MA 02139 USA

[6] MIT, Dept Mech Engn, Cambridge, MA 02139 USA

来源：

NANO LETTERS | 2014年 / 14卷 / 08期

基金：

美国国家科学基金会;

关键词：

Biotemplation; Li-oxygen battery; M13; virus; nanowire synthesis; cobalt manganese oxides; composite structure; X-RAY PHOTOELECTRON; LI-O-2; BATTERIES; BIFUNCTIONAL CATALYST; MULTIPOROUS MNCO2O4; ELECTRODE MATERIALS; AIR BATTERIES; COBALT; SPECTROSCOPY; GRAPHENE; PEPTIDE;

D O I：

10.1021/nl502078m

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Transition metal oxides are promising electrocatalysts for both water oxidations and metal-air batteries. Here, we report the virus-mediated synthesis of cobalt manganese oxide nanowires (NWs) to fabricate high capacity Li-O-2 battery electrodes. Furthermore, we hybridized Ni nanoparticles (NPs) on bio Co3O4 NWs to improve the round trip efficiency as well as the cycle life of Li-O-2 batteries. This biomolecular directed synthesis method is expected to provide a selection platform for future energy storage electrocatalysts.

引用

页码：4837 / 4845

页数：9

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