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Title: Textile Inspired Lithium-Oxygen Battery Cathode with Decoupled Oxygen and Electrolyte Pathways

The lithium–air (Li–O 2) battery has been deemed one of the most promising next–generation energy–storage devices due to its ultrahigh energy density. However, in conventional porous carbon–air cathodes, the oxygen gas and electrolyte often compete for transport pathways, which limit battery performance. Here, a novel textile–based air cathode is developed with a triple–phase structure to improve overall battery performance. The hierarchical structure of the conductive textile network leads to decoupled pathways for oxygen gas and electrolyte: oxygen flows through the woven mesh while the electrolyte diffuses along the textile fibers. Due to noncompetitive transport, the textile–based Li–O 2 cathode exhibits a high discharge capacity of 8.6 mAh cm –2, a low overpotential of 1.15 V, and stable operation exceeding 50 cycles. The textile–based structure can be applied to a range of applications (fuel cells, water splitting, and redox flow batteries) that involve multiple phase reactions. In conclusion, the reported decoupled transport pathway design also spurs potential toward flexible/wearable Li–O 2 batteries.
Authors:
 [1] ;  [1] ;  [2] ;  [2] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [2] ;  [2] ; ORCiD logo [1]
  1. Univ. of Maryland, College Park, MD (United States)
  2. Argonne National Lab. (ANL), Argonne, IL (United States)
Publication Date:
Grant/Contract Number:
AC02-06CH11357
Type:
Accepted Manuscript
Journal Name:
Advanced Materials
Additional Journal Information:
Journal Volume: 30; Journal Issue: 4; Journal ID: ISSN 0935-9648
Publisher:
Wiley
Research Org:
Argonne National Lab. (ANL), Argonne, 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; lithium-oxygen batteries; air cathode architecture; decoupled transport pathways; long cyclability; low overpotential
OSTI Identifier:
1463671
Alternate Identifier(s):
OSTI ID: 1412580

Xu, Shaomao, Yao, Yonggang, Guo, Yuanyuan, Zeng, Xiaoqiao, Lacey, Steven D., Song, Huiyu, Chen, Chaoji, Li, Yiju, Dai, Jiaqi, Wang, Yanbin, Chen, Yanan, Liu, Boyang, Fu, Kun, Amine, Khalil, Lu, Jun, and Hu, Liangbing. Textile Inspired Lithium-Oxygen Battery Cathode with Decoupled Oxygen and Electrolyte Pathways. United States: N. p., Web. doi:10.1002/adma.201704907.
Xu, Shaomao, Yao, Yonggang, Guo, Yuanyuan, Zeng, Xiaoqiao, Lacey, Steven D., Song, Huiyu, Chen, Chaoji, Li, Yiju, Dai, Jiaqi, Wang, Yanbin, Chen, Yanan, Liu, Boyang, Fu, Kun, Amine, Khalil, Lu, Jun, & Hu, Liangbing. Textile Inspired Lithium-Oxygen Battery Cathode with Decoupled Oxygen and Electrolyte Pathways. United States. doi:10.1002/adma.201704907.
Xu, Shaomao, Yao, Yonggang, Guo, Yuanyuan, Zeng, Xiaoqiao, Lacey, Steven D., Song, Huiyu, Chen, Chaoji, Li, Yiju, Dai, Jiaqi, Wang, Yanbin, Chen, Yanan, Liu, Boyang, Fu, Kun, Amine, Khalil, Lu, Jun, and Hu, Liangbing. 2017. "Textile Inspired Lithium-Oxygen Battery Cathode with Decoupled Oxygen and Electrolyte Pathways". United States. doi:10.1002/adma.201704907.
@article{osti_1463671,
title = {Textile Inspired Lithium-Oxygen Battery Cathode with Decoupled Oxygen and Electrolyte Pathways},
author = {Xu, Shaomao and Yao, Yonggang and Guo, Yuanyuan and Zeng, Xiaoqiao and Lacey, Steven D. and Song, Huiyu and Chen, Chaoji and Li, Yiju and Dai, Jiaqi and Wang, Yanbin and Chen, Yanan and Liu, Boyang and Fu, Kun and Amine, Khalil and Lu, Jun and Hu, Liangbing},
abstractNote = {The lithium–air (Li–O2) battery has been deemed one of the most promising next–generation energy–storage devices due to its ultrahigh energy density. However, in conventional porous carbon–air cathodes, the oxygen gas and electrolyte often compete for transport pathways, which limit battery performance. Here, a novel textile–based air cathode is developed with a triple–phase structure to improve overall battery performance. The hierarchical structure of the conductive textile network leads to decoupled pathways for oxygen gas and electrolyte: oxygen flows through the woven mesh while the electrolyte diffuses along the textile fibers. Due to noncompetitive transport, the textile–based Li–O2 cathode exhibits a high discharge capacity of 8.6 mAh cm–2, a low overpotential of 1.15 V, and stable operation exceeding 50 cycles. The textile–based structure can be applied to a range of applications (fuel cells, water splitting, and redox flow batteries) that involve multiple phase reactions. In conclusion, the reported decoupled transport pathway design also spurs potential toward flexible/wearable Li–O2 batteries.},
doi = {10.1002/adma.201704907},
journal = {Advanced Materials},
number = 4,
volume = 30,
place = {United States},
year = {2017},
month = {12}
}

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