Reactivity of Carbon in Lithium-Oxygen Battery Positive Electrodes

被引：254

作者：

Itkis, Daniil M. ^{[1
,2
]}

Semenenko, Dmitry A. ^{[2
]}

Kataev, Elmar Yu ^{[2
]}

Belova, Alina I. ^{[2
]}

Neudachina, Vera S. ^{[1
]}

Sirotina, Anna P. ^{[1
]}

Haevecker, Michael ^{[3
]}

Teschner, Detre ^{[3
]}

Knop-Gericke, Axel ^{[3
]}

Dudin, Pavel ^{[4
]}

Barinov, Alexei ^{[4
]}

Goodilin, Eugene A. ^{[1
,2
]}

Shao-Horn, Yang ^{[5
]}

Yashina, Lada V. ^{[1
]}

机构：

[1] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119992, Russia

[2] Moscow MV Lomonosov State Univ, Dept Mat Sci, Moscow 119992, Russia

[3] Max Planck Gesell, Fritz Haber Inst, D-14195 Berlin, Germany

[4] Sincrotrone Trieste SCpA, Area Sci Pk, I-34012 Trieste, Italy

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

来源：

NANO LETTERS | 2013年 / 13卷 / 10期

关键词：

Lithium air battery; in situ APXPS; superoxide; side reactions; LI-O-2; LI; SURFACE; REDUCTION; STABILITY; GRAPHENE;

D O I：

10.1021/nl4021649

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Unfortunately, the practical applications of Li-O-2 batteries are impeded by poor rechargeability. Here, for the first time we show that ::uperoxide radicals generated at the cathode during dischaie react with carbon that contains activated double bonds or arc matics to form epoxy groups and carbonates, which limit the rechargeability of Li-O-2 cells. Carbon materials with a low amount of functional groups and defects demonstrate better!, stability thus keeping the carbon will-o'-the-wisp lit for batteries.

引用

页码：4697 / 4701

页数：5

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