Carbon supported TiN nanoparticles: an efficient bifunctional catalyst for non-aqueous Li-O2 batteries

被引：156
|
作者：
Li, Fujun [1 ,2 ]
Ohnishi, Ryohji [2 ]
Yamada, Yuki [2 ]
Kubota, Jun [2 ]
Domen, Kazunari [2 ]
Yamada, Atsuo [2 ]
Zhou, Haoshen [1 ,2 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Inst Energy Technol, Tsukuba, Ibaraki 3058568, Japan
[2] Univ Tokyo, Dept Engn, Bunkyo Ku, Bldg 5-607,7-3-1 Hongo, Tokyo 1138656, Japan
来源：
CHEMICAL COMMUNICATIONS | 2013年 / 49卷 / 12期
关键词：
HIGH-PERFORMANCE; AIR BATTERY; LITHIUM; ARRAYS; O-2;
D O I：
10.1039/c2cc37042e
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A Li-O-2 battery with TiN nanoparticles supported on Vulcan XC-72, n-TiN/VC, as the cathode catalyst presented an onset potential for the oxygen evolution reaction (OER) at 2.9 V, contrasting with a mixture of micro-sized TiN and VC (m-TiN/VC), and VC, both at similar to 3.1 V. The discharge-recharge voltage gap of n-TiN/VC was estimated to be 1.05 V, which is 390 and 450 mV smaller than that of m-TiN/VC and VC, respectively, at 50 mA g(carbon)(-1). These indicate that n-TiN/VC can function as both an active ORR catalyst during discharge and an efficient OER catalyst during recharge.
引用
收藏
页码：1175 / 1177
页数：3
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