Three-dimensional graphene network supported ultrathin CeO2 nanoflakes for oxygen reduction reaction and rechargeable metal-air batteries
文献类型：期刊论文
| 作者 | Zhang, Zhipan; Liu, Zixuan; Wang, Deyu; Song, Long; Li, Xiaoxue |
| 刊名 | ELECTROCHIMICA ACTA
 |
| 出版日期 | 2018 |
| 卷号 | 263页码:561-569 |
| 关键词 | Lithium-ion Batteries Li-o-2 Batteries Catalysts Nanoparticles Performance Atmosphere Electrode Kinetics Xps |
| 英文摘要 | An efficient oxygen reduction reaction (ORR) on the air cathode is a prerequisite for high-performance metal-air batteries (MABs), as it decreases the excessive charge-discharge overpotential to reduce side-reactions. Here, we develop a composite catalyst for MABs by loading ultrathin CeO2 nanoflakes (UCNFs) on a three-dimensional graphene (3DG) network to form the UCNFs@3DG. The UCNFs@3DG composite features a high activity approaching the commercial Pt/C catalyst in the ORR, probably due to synergic effects of the catalytically active UCNFs and the conductive 3DG network. The UCNFs@3DG can serve as an efficient air cathode in a series of MABs, delivering a capacity of 613 mAh h g(Zn)(-1) in the Zn-air battery (ZAB) and 839 mAh h g(Al)(-1) in the Al-air battery (AAB), respectively. Finally, the UCNFs@3DG cathode in lithium-oxygen batteries (LOBs) achieves a high discharge capacity of 21,166 mAh h g(c)(-1) at 0.2 A g(c)(-1) and over 15,000 mAh h g(c)(-1) under elevated current densities up to 2 A g(c)(-1), validating the UCNFs@3DG as a general air cathode in MABs. (c) 2017 Published by Elsevier Ltd. |
| 学科主题 | Electrochemistry |
| 语种 | 英语 |
| 公开日期 | 2018-12-04 |
| 源URL | [http://ir.nimte.ac.cn/handle/174433/16817]  |
| 专题 | 2018专题 |
| 推荐引用方式 GB/T 7714 | Zhang, Zhipan,Liu, Zixuan,Wang, Deyu,et al. Three-dimensional graphene network supported ultrathin CeO2 nanoflakes for oxygen reduction reaction and rechargeable metal-air batteries[J]. ELECTROCHIMICA ACTA,2018,263:561-569. |
| APA | Zhang, Zhipan,Liu, Zixuan,Wang, Deyu,Song, Long,&Li, Xiaoxue.(2018).Three-dimensional graphene network supported ultrathin CeO2 nanoflakes for oxygen reduction reaction and rechargeable metal-air batteries.ELECTROCHIMICA ACTA,263,561-569. |
| MLA | Zhang, Zhipan,et al."Three-dimensional graphene network supported ultrathin CeO2 nanoflakes for oxygen reduction reaction and rechargeable metal-air batteries".ELECTROCHIMICA ACTA 263(2018):561-569. |
入库方式： OAI收割
来源：宁波材料技术与工程研究所
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