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作者:

Lu, Fanliang (Lu, Fanliang.) | Wang, Yarong (Wang, Yarong.) | Jin, Chao (Jin, Chao.) | Li, Fan (Li, Fan.) (学者:李钒) | Yang, Ruizhi (Yang, Ruizhi.) | Chen, Fanglin (Chen, Fanglin.)

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EI Scopus SCIE

摘要:

Efficient electrocatalyst for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is the most critical factor to influence the performance of lithium-air batteries. We present La0.8Sr0.2MnO3 (LSM) perovskite nanorods as high active electrocatalyst fabricated via a soft template method for lithium-air batteries. The as-prepared LSM nanorods are microporous with numerous defects and large surface area (20.6 m(2) g(-1)), beneficial to the ORR and OER in the discharge and charge processes, respectively. Lithium-air batteries based on the microporous LSM nanorods electrocatalysts show enhanced electrochemical performances, including high first discharge specific capacity (6890 mAh g((electrode))(-1) at 200 mA g(-1)), low overpotential, good rate capability (up to 400 mA g(-1)), and cycle stability (only 1.1% voltage loss after 30 circles of specific capacity limit of 1000 mAh g(-1) tested at 200 mA g(-1)). The improved performance might be due to the synergistic effect of the unique microporous and one-dimensional structure and numerous defects of the prepared LSM catalyst. (C) 2015 Elsevier B.V. All rights reserved.

关键词:

Lithium-air battery Micropore Catalyst Nanorods La0.8Sr0.2MnO3 perovskite oxide

作者机构:

  • [ 1 ] [Lu, Fanliang]Soochow Univ, Coll Phys Optoelect & Energy, Suzhou 215006, Peoples R China
  • [ 2 ] [Wang, Yarong]Soochow Univ, Coll Phys Optoelect & Energy, Suzhou 215006, Peoples R China
  • [ 3 ] [Jin, Chao]Soochow Univ, Coll Phys Optoelect & Energy, Suzhou 215006, Peoples R China
  • [ 4 ] [Yang, Ruizhi]Soochow Univ, Coll Phys Optoelect & Energy, Suzhou 215006, Peoples R China
  • [ 5 ] [Lu, Fanliang]Soochow Univ, Collaborat Innovat Ctr Suzhou Nano Sci & Technol, Suzhou 215006, Peoples R China
  • [ 6 ] [Wang, Yarong]Soochow Univ, Collaborat Innovat Ctr Suzhou Nano Sci & Technol, Suzhou 215006, Peoples R China
  • [ 7 ] [Jin, Chao]Soochow Univ, Collaborat Innovat Ctr Suzhou Nano Sci & Technol, Suzhou 215006, Peoples R China
  • [ 8 ] [Yang, Ruizhi]Soochow Univ, Collaborat Innovat Ctr Suzhou Nano Sci & Technol, Suzhou 215006, Peoples R China
  • [ 9 ] [Li, Fan]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing 100124, Peoples R China
  • [ 10 ] [Chen, Fanglin]Univ S Carolina, Dept Mech Engn, Columbia, SC 29208 USA

通讯作者信息:

  • [Jin, Chao]Soochow Univ, Coll Phys Optoelect & Energy, Suzhou 215006, Peoples R China

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来源 :

JOURNAL OF POWER SOURCES

ISSN: 0378-7753

年份: 2015

卷: 293

页码: 726-733

9 . 2 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:174

JCR分区:1

中科院分区:2

被引次数:

WoS核心集被引频次: 88

SCOPUS被引频次: 96

ESI高被引论文在榜: 0 展开所有

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中文被引频次:

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