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Title: Electrochemically activated spinel manganese oxide for rechargeable aqueous aluminum battery

Aluminum is a naturally abundant, trivalent charge carrier with high theoretical specific capacity and volumetric energy density, rendering aluminum-ion batteries a technology of choice for future large-scale energy storage. Nonetheless, the frequent collapse of the host structure of the cathode materials and sluggish kinetics of aluminum ion diffusion have thus far hampered the realization of practical battery devices. Here, we synthesize Al xMnO 2•nH 2O by an in-situ electrochemical transformation reaction to be used as a cathode material for an aluminum-ion battery with a configuration of Al/Al(OTF) 3-H 2O/Al xMnO 2•nH 2O. This cell is not only based on aqueous electrolyte chemistry but also delivers a high specific capacity of 467 mAh g -1 and a record high energy density of 481 Wh kg -1. The high safety of aqueous electrolyte, facile cell assembly and the low cost of materials suggest that this aqueous aluminum-ion battery holds promise for large-scale energy applications.
Authors:
 [1] ;  [2] ;  [3] ;  [2] ;  [4] ; ORCiD logo [4] ;  [2] ;  [3] ;  [2] ;  [2] ;  [1] ;  [3] ;  [3] ; ORCiD logo [4]
  1. Beijing Inst. of Technology, Beijing (China); Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing (China)
  2. Beijing Inst. of Technology, Beijing (China)
  3. Chinese Academy of Sciences (CAS), Beijing (China)
  4. Argonne National Laboratory (ANL), Lemont, IL (United States)
Publication Date:
Grant/Contract Number:
AC02-06CH11357
Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 10; Journal Issue: 1; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Research Org:
Argonne National Laboratory (ANL), Lemont, IL (United States)
Sponsoring Org:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V)
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE
OSTI Identifier:
1504227

Wu, Chuan, Gu, Sichen, Zhang, Qinghua, Bai, Ying, Li, Matthew, Yuan, Yifei, Wang, Huali, Liu, Xinyu, Yuan, Yanxia, Zhu, Na, Wu, Feng, Li, Hong, Gu, Lin, and Lu, Jun. Electrochemically activated spinel manganese oxide for rechargeable aqueous aluminum battery. United States: N. p., Web. doi:10.1038/s41467-018-07980-7.
Wu, Chuan, Gu, Sichen, Zhang, Qinghua, Bai, Ying, Li, Matthew, Yuan, Yifei, Wang, Huali, Liu, Xinyu, Yuan, Yanxia, Zhu, Na, Wu, Feng, Li, Hong, Gu, Lin, & Lu, Jun. Electrochemically activated spinel manganese oxide for rechargeable aqueous aluminum battery. United States. doi:10.1038/s41467-018-07980-7.
Wu, Chuan, Gu, Sichen, Zhang, Qinghua, Bai, Ying, Li, Matthew, Yuan, Yifei, Wang, Huali, Liu, Xinyu, Yuan, Yanxia, Zhu, Na, Wu, Feng, Li, Hong, Gu, Lin, and Lu, Jun. 2019. "Electrochemically activated spinel manganese oxide for rechargeable aqueous aluminum battery". United States. doi:10.1038/s41467-018-07980-7. https://www.osti.gov/servlets/purl/1504227.
@article{osti_1504227,
title = {Electrochemically activated spinel manganese oxide for rechargeable aqueous aluminum battery},
author = {Wu, Chuan and Gu, Sichen and Zhang, Qinghua and Bai, Ying and Li, Matthew and Yuan, Yifei and Wang, Huali and Liu, Xinyu and Yuan, Yanxia and Zhu, Na and Wu, Feng and Li, Hong and Gu, Lin and Lu, Jun},
abstractNote = {Aluminum is a naturally abundant, trivalent charge carrier with high theoretical specific capacity and volumetric energy density, rendering aluminum-ion batteries a technology of choice for future large-scale energy storage. Nonetheless, the frequent collapse of the host structure of the cathode materials and sluggish kinetics of aluminum ion diffusion have thus far hampered the realization of practical battery devices. Here, we synthesize AlxMnO2•nH2O by an in-situ electrochemical transformation reaction to be used as a cathode material for an aluminum-ion battery with a configuration of Al/Al(OTF)3-H2O/AlxMnO2•nH2O. This cell is not only based on aqueous electrolyte chemistry but also delivers a high specific capacity of 467 mAh g-1 and a record high energy density of 481 Wh kg-1. The high safety of aqueous electrolyte, facile cell assembly and the low cost of materials suggest that this aqueous aluminum-ion battery holds promise for large-scale energy applications.},
doi = {10.1038/s41467-018-07980-7},
journal = {Nature Communications},
number = 1,
volume = 10,
place = {United States},
year = {2019},
month = {1}
}

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