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Title: Liquefied gas electrolytes for electrochemical energy storage devices

Abstract

Electrochemical capacitors and lithium-ion batteries have seen little change in their electrolyte chemistry since their commercialization, which has limited improvements in device performance. Combining superior physical and chemical properties and a high dielectric-fluidity factor, the use of electrolytes based on solvent systems that exclusively use components that are typically gaseous under standard conditions show a wide potential window of stability and excellent performance over an extended temperature range. Electrochemical capacitors using difluoromethane show outstanding performance from –78° to +65°C, with an increased operation voltage. The use of fluoromethane shows a high coulombic efficiency of ~97% for cycling lithium metal anodes, together with good cyclability of a 4-volt lithium cobalt oxide cathode and operation as low as –60°C, with excellent capacity retention.

Authors:
ORCiD logo; ORCiD logo; ORCiD logo; ORCiD logo; ORCiD logo; ORCiD logo; ORCiD logo; ORCiD logo
Publication Date:
Sponsoring Org.:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
OSTI Identifier:
1435467
Grant/Contract Number:  
award279809; AR0000646
Resource Type:
Published Article
Journal Name:
Science
Additional Journal Information:
Journal Name: Science Journal Volume: 356 Journal Issue: 6345; Journal ID: ISSN 0036-8075
Publisher:
American Association for the Advancement of Science (AAAS)
Country of Publication:
United States
Language:
English

Citation Formats

Rustomji, Cyrus S., Yang, Yangyuchen, Kim, Tae Kyoung, Mac, Jimmy, Kim, Young Jin, Caldwell, Elizabeth, Chung, Hyeseung, and Meng, Y. Shirley. Liquefied gas electrolytes for electrochemical energy storage devices. United States: N. p., 2017. Web. doi:10.1126/science.aal4263.
Rustomji, Cyrus S., Yang, Yangyuchen, Kim, Tae Kyoung, Mac, Jimmy, Kim, Young Jin, Caldwell, Elizabeth, Chung, Hyeseung, & Meng, Y. Shirley. Liquefied gas electrolytes for electrochemical energy storage devices. United States. doi:10.1126/science.aal4263.
Rustomji, Cyrus S., Yang, Yangyuchen, Kim, Tae Kyoung, Mac, Jimmy, Kim, Young Jin, Caldwell, Elizabeth, Chung, Hyeseung, and Meng, Y. Shirley. Thu . "Liquefied gas electrolytes for electrochemical energy storage devices". United States. doi:10.1126/science.aal4263.
@article{osti_1435467,
title = {Liquefied gas electrolytes for electrochemical energy storage devices},
author = {Rustomji, Cyrus S. and Yang, Yangyuchen and Kim, Tae Kyoung and Mac, Jimmy and Kim, Young Jin and Caldwell, Elizabeth and Chung, Hyeseung and Meng, Y. Shirley},
abstractNote = {Electrochemical capacitors and lithium-ion batteries have seen little change in their electrolyte chemistry since their commercialization, which has limited improvements in device performance. Combining superior physical and chemical properties and a high dielectric-fluidity factor, the use of electrolytes based on solvent systems that exclusively use components that are typically gaseous under standard conditions show a wide potential window of stability and excellent performance over an extended temperature range. Electrochemical capacitors using difluoromethane show outstanding performance from –78° to +65°C, with an increased operation voltage. The use of fluoromethane shows a high coulombic efficiency of ~97% for cycling lithium metal anodes, together with good cyclability of a 4-volt lithium cobalt oxide cathode and operation as low as –60°C, with excellent capacity retention.},
doi = {10.1126/science.aal4263},
journal = {Science},
number = 6345,
volume = 356,
place = {United States},
year = {2017},
month = {6}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1126/science.aal4263

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Works referenced in this record:

Probing the Origin of Enhanced Stability of “AlPO4” Nanoparticle Coated LiCoO2 during Cycling to High Voltages: Combined XRD and XPS Studies
journal, October 2009

  • Lu, Yi-Chun; Mansour, Azzam N.; Yabuuchi, Naoaki
  • Chemistry of Materials, Vol. 21, Issue 19, p. 4408-4424
  • DOI: 10.1021/cm900862v