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Title: Investigation of surface effects through the application of the functional binders in lithium sulfur batteries

Abstract

Sulfur species dissolution, precipitation and phase transformation during the charge and discharge process strongly affect the performance of lithium sulfur (Li–S) batteries. Interface properties between electrode and electrolyte play an important role in these batteries. Four kinds of binders with different functionalities, which differs both in chemical and electrical properties, are employed to study how the interface properties affect the battery reaction mechanism. The phase transformation of sulfur species is studied in detail. Remarkable differences are observed among sulfur cathodes with different binders. More solid-phase sulfur species precipitation is observed with binders that have carbonyl functional groups, like poly(9, 9-dioctylfluorene-co-fluorenone-co-methylbenzoic ester) (PFM) and poly(vinylpyrrolidone) (PVP), in both fully charged and discharged states. Also, the improved conductivity from introducing conductive binders greatly promotes sulfur species precipitation. These findings suggest that the contributions from functional groups affinity and binder conductivity lead to more sulfur transformation into the solid phase, so the shuttle effect can be greatly reduced, and a better cell performance can be obtained.

Authors:
 [1];  [2];  [3];  [2];  [2];  [2];  [2];  [4];  [2];  [2];  [5];  [2];  [2]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Energy Storage and Distributed Resources Division. Energy Technologies Area; Electronic Research Inst. of the Ministry of Industry and Information Technology, Guangzhou (China). Science and Technology on Reliability Physics and Application of Electronic Component Lab.
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Energy Storage and Distributed Resources Division. Energy Technologies Area
  3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Advanced Light Source; Univ. of Science and Technology of China, Hefei (China). National Synchrotron Radiation Lab. Collaborative Innovation Center of Suzhou Nano Science and Technology
  4. Univ. of Science and Technology of China, Hefei (China). National Synchrotron Radiation Lab. Collaborative Innovation Center of Suzhou Nano Science and Technology
  5. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Advanced Light Source
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V); National Natural Science Foundation of China (NNSFC); China Scholarship Council
OSTI Identifier:
1512241
Alternate Identifier(s):
OSTI ID: 1356704
Grant/Contract Number:  
AC02-05CH11231; U1232102
Resource Type:
Accepted Manuscript
Journal Name:
Nano Energy
Additional Journal Information:
Journal Volume: 16; Journal ID: ISSN 2211-2855
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; Li–S batteries; conductive binder; surface effect; self-discharge; binding energy; cell failure

Citation Formats

Ai, Guo, Dai, Yiling, Ye, Yifan, Mao, Wenfeng, Wang, Zhihui, Zhao, Hui, Chen, Yulin, Zhu, Junfa, Fu, Yanbao, Battaglia, Vincent, Guo, Jinghua, Srinivasan, Venkat, and Liu, Gao. Investigation of surface effects through the application of the functional binders in lithium sulfur batteries. United States: N. p., 2015. Web. doi:10.1016/j.nanoen.2015.05.036.
Ai, Guo, Dai, Yiling, Ye, Yifan, Mao, Wenfeng, Wang, Zhihui, Zhao, Hui, Chen, Yulin, Zhu, Junfa, Fu, Yanbao, Battaglia, Vincent, Guo, Jinghua, Srinivasan, Venkat, & Liu, Gao. Investigation of surface effects through the application of the functional binders in lithium sulfur batteries. United States. doi:10.1016/j.nanoen.2015.05.036.
Ai, Guo, Dai, Yiling, Ye, Yifan, Mao, Wenfeng, Wang, Zhihui, Zhao, Hui, Chen, Yulin, Zhu, Junfa, Fu, Yanbao, Battaglia, Vincent, Guo, Jinghua, Srinivasan, Venkat, and Liu, Gao. Thu . "Investigation of surface effects through the application of the functional binders in lithium sulfur batteries". United States. doi:10.1016/j.nanoen.2015.05.036. https://www.osti.gov/servlets/purl/1512241.
@article{osti_1512241,
title = {Investigation of surface effects through the application of the functional binders in lithium sulfur batteries},
author = {Ai, Guo and Dai, Yiling and Ye, Yifan and Mao, Wenfeng and Wang, Zhihui and Zhao, Hui and Chen, Yulin and Zhu, Junfa and Fu, Yanbao and Battaglia, Vincent and Guo, Jinghua and Srinivasan, Venkat and Liu, Gao},
abstractNote = {Sulfur species dissolution, precipitation and phase transformation during the charge and discharge process strongly affect the performance of lithium sulfur (Li–S) batteries. Interface properties between electrode and electrolyte play an important role in these batteries. Four kinds of binders with different functionalities, which differs both in chemical and electrical properties, are employed to study how the interface properties affect the battery reaction mechanism. The phase transformation of sulfur species is studied in detail. Remarkable differences are observed among sulfur cathodes with different binders. More solid-phase sulfur species precipitation is observed with binders that have carbonyl functional groups, like poly(9, 9-dioctylfluorene-co-fluorenone-co-methylbenzoic ester) (PFM) and poly(vinylpyrrolidone) (PVP), in both fully charged and discharged states. Also, the improved conductivity from introducing conductive binders greatly promotes sulfur species precipitation. These findings suggest that the contributions from functional groups affinity and binder conductivity lead to more sulfur transformation into the solid phase, so the shuttle effect can be greatly reduced, and a better cell performance can be obtained.},
doi = {10.1016/j.nanoen.2015.05.036},
journal = {Nano Energy},
number = ,
volume = 16,
place = {United States},
year = {2015},
month = {6}
}

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Cited by: 36 works
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Works referencing / citing this record:

Understanding the Reaction Mechanism of Lithium–Sulfur Batteries by In Situ/Operando X-ray Absorption Spectroscopy
journal, March 2019