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Title: Hybrid Li-Ion and Li-O2 Battery Enabled by Oxyhalogen-Sulfur Electrochemistry

Abstract

We report that the large voltage hysteresis between charge and discharge results in significant energy loss, which hinders practical application of the high-energy Li-O2 battery. Oxyhalogen-sulfur electrochemistry offers a new hybrid Li-ion/Li-O2 battery, where both Li ions and O anions are reversibly stored in the MoS2 structure. A Li2MoO2S2 compound is formed as the main discharge product that has never been previously observed in the literature. The reaction mechanism and the structure of the Li2MoO2S2 are probed by Raman spectroscopy, X-ray photoelectron spectroscopy, X-ray absorption spectroscopy, differential electrochemical mass spectrometry, and UV-visible spectroscopy. The results show that the MoS2 is oxidized during discharge and is recovered during charge. The iodine intermediates play an important role in triggering the sequence of electrochemical and chemical reactions in the cell. Finally, the Li2MoO2S2 is isostructural to the Li2MoO4 rather than adopting structures of other known molybdenum oxysulfides.

Authors:
; ; ; ; ; ; ; ; ; ; ; ; ; ORCiD logo
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V); National Science Foundation (NSF)
OSTI Identifier:
1575086
Alternate Identifier(s):
OSTI ID: 1493717
Grant/Contract Number:  
AC02-06CH11357; AC02-05CH11231
Resource Type:
Published Article
Journal Name:
Joule
Additional Journal Information:
Journal Name: Joule Journal Volume: 2 Journal Issue: 11; Journal ID: ISSN 2542-4351
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE; hybrid Li-ion/Li-O2 battery; oxyhalogen-sulfur electrochemistry; Li-O2 battery; MoS2; molybdenum oxysulfides; Li2MoO2S2; oxyhalogen-sulfur chemistry; thiomolybdates; iodine intermediates

Citation Formats

Wang, Xuefeng, Li, Yejing, Bi, Xuanxuan, Ma, Lu, Wu, Tianpin, Sina, Mahsa, Wang, Shen, Zhang, Minghao, Alvarado, Judith, Lu, Bingyu, Banerjee, Abhik, Amine, Khalil, Lu, Jun, and Meng, Ying Shirley. Hybrid Li-Ion and Li-O2 Battery Enabled by Oxyhalogen-Sulfur Electrochemistry. United States: N. p., 2018. Web. doi:10.1016/j.joule.2018.07.019.
Wang, Xuefeng, Li, Yejing, Bi, Xuanxuan, Ma, Lu, Wu, Tianpin, Sina, Mahsa, Wang, Shen, Zhang, Minghao, Alvarado, Judith, Lu, Bingyu, Banerjee, Abhik, Amine, Khalil, Lu, Jun, & Meng, Ying Shirley. Hybrid Li-Ion and Li-O2 Battery Enabled by Oxyhalogen-Sulfur Electrochemistry. United States. https://doi.org/10.1016/j.joule.2018.07.019
Wang, Xuefeng, Li, Yejing, Bi, Xuanxuan, Ma, Lu, Wu, Tianpin, Sina, Mahsa, Wang, Shen, Zhang, Minghao, Alvarado, Judith, Lu, Bingyu, Banerjee, Abhik, Amine, Khalil, Lu, Jun, and Meng, Ying Shirley. Thu . "Hybrid Li-Ion and Li-O2 Battery Enabled by Oxyhalogen-Sulfur Electrochemistry". United States. https://doi.org/10.1016/j.joule.2018.07.019.
@article{osti_1575086,
title = {Hybrid Li-Ion and Li-O2 Battery Enabled by Oxyhalogen-Sulfur Electrochemistry},
author = {Wang, Xuefeng and Li, Yejing and Bi, Xuanxuan and Ma, Lu and Wu, Tianpin and Sina, Mahsa and Wang, Shen and Zhang, Minghao and Alvarado, Judith and Lu, Bingyu and Banerjee, Abhik and Amine, Khalil and Lu, Jun and Meng, Ying Shirley},
abstractNote = {We report that the large voltage hysteresis between charge and discharge results in significant energy loss, which hinders practical application of the high-energy Li-O2 battery. Oxyhalogen-sulfur electrochemistry offers a new hybrid Li-ion/Li-O2 battery, where both Li ions and O anions are reversibly stored in the MoS2 structure. A Li2MoO2S2 compound is formed as the main discharge product that has never been previously observed in the literature. The reaction mechanism and the structure of the Li2MoO2S2 are probed by Raman spectroscopy, X-ray photoelectron spectroscopy, X-ray absorption spectroscopy, differential electrochemical mass spectrometry, and UV-visible spectroscopy. The results show that the MoS2 is oxidized during discharge and is recovered during charge. The iodine intermediates play an important role in triggering the sequence of electrochemical and chemical reactions in the cell. Finally, the Li2MoO2S2 is isostructural to the Li2MoO4 rather than adopting structures of other known molybdenum oxysulfides.},
doi = {10.1016/j.joule.2018.07.019},
journal = {Joule},
number = 11,
volume = 2,
place = {United States},
year = {Thu Nov 01 00:00:00 EDT 2018},
month = {Thu Nov 01 00:00:00 EDT 2018}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1016/j.joule.2018.07.019

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