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Communication — The Impact of Co-solvent Selection for Dimethyl-2,5-dioxahexane carboxylate in Sodium Ion Batteries

Journal Article · · ECS Advances
 [1];  [1];  [1];  [2];  [3];  [4];  [1]
  1. Univ. of North Carolina, Charlotte, NC (United States)
  2. Argonne National Laboratory (ANL), Argonne, IL (United States)
  3. University of Technology Sydney, Ultimo, NSW (Australia)
  4. North Carolina A & T State Univ., Greensboro, NC (United States)
+ Show Author Affiliations
Traditional linear carbonates including dimethyl carbonate (DMC), diethyl carbonate (DEC), and ethyl methyl carbonate (EMC) were investigated as co-solvents for the dimethyl-2,5-dioxahexane carboxylate (DMOHC)-based electrolyte in Na0.97Ca0.03[Mn0.39Fe0.31Ni0.22Zn0.08]O2 (NCMFNZO)/hard carbon (HC) pouch cells. The EMC-containing cell displays excellent electrochemical performance, exhibiting only a 1.6 mAh irreversible capacity loss during 500 h of storage at 4 V and 40 °C, and maintaining over 80% capacity retention after 200 cycles up to 4 V at 40 °C. Severe gas evolution and Na plating issues are present in all the tested systems.
Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
2483270
Journal Information:
ECS Advances, Journal Name: ECS Advances Journal Issue: 2 Vol. 3; ISSN 2754-2734
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United States
Language:
English

References (19)

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Alkyl Dicarbonates, Common Electrolyte Degradation Products, Can Enable Long-Lived Li-Ion Cells at High Temperatures journal September 2023
The Impact of Fluoroethylene Carbonate Additive on Charged Sodium Ion Electrodes/Electrolyte Reactivity Studied Using Accelerating Rate Calorimetry journal November 2023
The Use of Elevated Temperature Storage Experiments to Learn about Parasitic Reactions in Wound LiCoO2∕Graphite Cells journal January 2011
An Apparatus for the Study of In Situ Gas Evolution in Li-Ion Pouch Cells journal January 2014

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Related Subjects

25 ENERGY STORAGE
Batteries