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Author:

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

Indexed by:

EI Scopus SCIE

Abstract:

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.

Keyword:

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

Author Community:

  • [ 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

Reprint Author's Address:

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

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Source :

JOURNAL OF POWER SOURCES

ISSN: 0378-7753

Year: 2015

Volume: 293

Page: 726-733

9 . 2 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:174

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 90

SCOPUS Cited Count: 98

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

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