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Title: High-Voltage and High-Safety Practical Lithium Batteries with Ethylene Carbonate-Free Electrolyte

Abstract

Abstract Serious safety issues are impeding the widespread adoption of high‐energy lithium‐ion batteries for transportation electrification and large‐scale grid storage. Herein, a triple‐salt ethylene carbonate (EC) free electrolyte for high‐safety and high‐energy pouch‐type LiNi 0.8 Mn 0.1 Co 0.1 O 2 |graphite (NMC811|Gr) cells is reported. This EC‐free electrolyte can effectively stabilize the NMC811 surface under high potential (up to 4.5 V), as well as generate a stable interphase to achieve a superior compatibility with the Gr anode. The electrolyte strategy enables significantly enhanced intrinsic safety (trigger temperature of thermal runaway (TR) increased by 67.0 °C), excellent electrochemical properties (4.2V, ≈100% after 200 cycles), and superior high voltage stability (4.5 V, 82.1% after 200 cycles). The work opens up a new avenue for developing novel electrolyte systems to build safer high‐energy batteries for practical applications.

Authors:
ORCiD logo [1];  [1];  [2];  [3];  [1];  [4];  [1];  [1];  [1];  [1];  [1];  [3];  [3];  [1];  [1];  [5];  [6];  [1]
  1. Tsinghua Univ., Beijing (China)
  2. Tsinghua Univ., Beijing (China); Argonne National Lab. (ANL), Lemont, IL (United States)
  3. Argonne National Lab. (ANL), Lemont, IL (United States)
  4. Univ. of Shanghai for Science and Technology (China)
  5. Peking Univ., Beijing (China)
  6. Argonne National Lab. (ANL), Lemont, IL (United States); Stanford Univ., CA (United States); Imam Abdulrahman Bin Faisal Univ. (IAU), Dammam (Saudi Arabia)
Publication Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1840927
Alternate Identifier(s):
OSTI ID: 1828420
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Advanced Energy Materials
Additional Journal Information:
Journal Volume: 11; Journal Issue: 47; Journal ID: ISSN 1614-6832
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE

Citation Formats

Wu, Yu, Ren, Dongsheng, Liu, Xiang, Xu, Gui‐Liang, Feng, Xuning, Zheng, Yuejiu, Li, Yalun, Yang, Min, Peng, Yong, Han, Xuebing, Wang, Li, Chen, Zonghai, Ren, Yang, Lu, Languang, He, Xiangming, Chen, Jitao, Amine, Khalil, and Ouyang, Minggao. High-Voltage and High-Safety Practical Lithium Batteries with Ethylene Carbonate-Free Electrolyte. United States: N. p., 2021. Web. doi:10.1002/aenm.202102299.
Wu, Yu, Ren, Dongsheng, Liu, Xiang, Xu, Gui‐Liang, Feng, Xuning, Zheng, Yuejiu, Li, Yalun, Yang, Min, Peng, Yong, Han, Xuebing, Wang, Li, Chen, Zonghai, Ren, Yang, Lu, Languang, He, Xiangming, Chen, Jitao, Amine, Khalil, & Ouyang, Minggao. High-Voltage and High-Safety Practical Lithium Batteries with Ethylene Carbonate-Free Electrolyte. United States. https://doi.org/10.1002/aenm.202102299
Wu, Yu, Ren, Dongsheng, Liu, Xiang, Xu, Gui‐Liang, Feng, Xuning, Zheng, Yuejiu, Li, Yalun, Yang, Min, Peng, Yong, Han, Xuebing, Wang, Li, Chen, Zonghai, Ren, Yang, Lu, Languang, He, Xiangming, Chen, Jitao, Amine, Khalil, and Ouyang, Minggao. Mon . "High-Voltage and High-Safety Practical Lithium Batteries with Ethylene Carbonate-Free Electrolyte". United States. https://doi.org/10.1002/aenm.202102299. https://www.osti.gov/servlets/purl/1840927.
@article{osti_1840927,
title = {High-Voltage and High-Safety Practical Lithium Batteries with Ethylene Carbonate-Free Electrolyte},
author = {Wu, Yu and Ren, Dongsheng and Liu, Xiang and Xu, Gui‐Liang and Feng, Xuning and Zheng, Yuejiu and Li, Yalun and Yang, Min and Peng, Yong and Han, Xuebing and Wang, Li and Chen, Zonghai and Ren, Yang and Lu, Languang and He, Xiangming and Chen, Jitao and Amine, Khalil and Ouyang, Minggao},
abstractNote = {Abstract Serious safety issues are impeding the widespread adoption of high‐energy lithium‐ion batteries for transportation electrification and large‐scale grid storage. Herein, a triple‐salt ethylene carbonate (EC) free electrolyte for high‐safety and high‐energy pouch‐type LiNi 0.8 Mn 0.1 Co 0.1 O 2 |graphite (NMC811|Gr) cells is reported. This EC‐free electrolyte can effectively stabilize the NMC811 surface under high potential (up to 4.5 V), as well as generate a stable interphase to achieve a superior compatibility with the Gr anode. The electrolyte strategy enables significantly enhanced intrinsic safety (trigger temperature of thermal runaway (TR) increased by 67.0 °C), excellent electrochemical properties (4.2V, ≈100% after 200 cycles), and superior high voltage stability (4.5 V, 82.1% after 200 cycles). The work opens up a new avenue for developing novel electrolyte systems to build safer high‐energy batteries for practical applications.},
doi = {10.1002/aenm.202102299},
journal = {Advanced Energy Materials},
number = 47,
volume = 11,
place = {United States},
year = {2021},
month = {11}
}

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