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PreprintCC BYChemRxiv

The Electrical Double Layer in Batteries-Perspective on Complex Electrolytes and Future Directions

  • Corey M. Efaw1,2
  • Xi Tan3,4
  • Joshua A. Russell1,2
  • Yuanqing Yun5,4
  • Simon L. J. Langois6,2
  • Shinthia Binte Eskender1,2
  • Sarah E. Pooley1,2
  • Md Sharif Khan6,2
  • Oliviero Andreussi6,2
  • Jenée D. Cyran6,2
  • Emily Sprague-Klein5,4
  • Yue Qi3,4
1 more authors
  • Hui Xiong1,2
6 affiliations
  1. 1Micron School of Materials Science & Engineering
  2. 2Boise State University
  3. 3School of Engineering
  4. 4Brown University
  5. 5Department of Chemistry
  6. 6Department of Chemistry and Biochemistry
Open at sourceDOICite

Abstract

The electrical double layer (EDL) defines the few nanometer region between an electrified surface and its interfacing electrolyte. This non-Faradaic interfacial phenomenon has often been overlooked in the battery field in preference to the Faradaic charge-transfer and interphasial forming reactions. Here, a perspective is provided to focus on the EDL and how it dictates much of the later reactions’ behaviors. Two fields of understanding are discussed-one being computational and how to accurately model the EDL in more complex electrolytes, the other being experimental and how to accurately probe the EDL. Both fields are of importance to designing electrolytes and electrodes for improved battery performance, all ofwhich is dictated through interfacial behavior. K E YWORD S

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Cite

BibTeXRIS
BibTeX
@misc{efaw2026electrical,
  title = {{The Electrical Double Layer in Batteries-Perspective on Complex Electrolytes and Future Directions}},
  author = {Corey M. Efaw and Xi Tan and Joshua A. Russell and Yuanqing Yun and Simon L. J. Langois and Shinthia Binte Eskender and Sarah E. Pooley and Md Sharif Khan and Oliviero Andreussi and Jenée D. Cyran and Emily Sprague-Klein and Yue Qi and Hui Xiong},
  howpublished = {ChemRxiv},
  year = {2026},
  month = oct,
  doi = {10.26434/chemrxiv.15010380/v1},
  url = {https://chemrxiv.org/doi/full/10.26434/chemrxiv.15010380/v1},
  note = {CC BY},
}
RIS
TY  - UNPB
TI  - The Electrical Double Layer in Batteries-Perspective on Complex Electrolytes and Future Directions
AU  - Corey M. Efaw
AU  - Xi Tan
AU  - Joshua A. Russell
AU  - Yuanqing Yun
AU  - Simon L. J. Langois
AU  - Shinthia Binte Eskender
AU  - Sarah E. Pooley
AU  - Md Sharif Khan
AU  - Oliviero Andreussi
AU  - Jenée D. Cyran
AU  - Emily Sprague-Klein
AU  - Yue Qi
AU  - Hui Xiong
PY  - 2026
DA  - 2026/10/13
PB  - ChemRxiv
DO  - 10.26434/chemrxiv.15010380/v1
UR  - https://chemrxiv.org/doi/full/10.26434/chemrxiv.15010380/v1
AB  - The electrical double layer (EDL) defines the few nanometer region between an electrified surface and its interfacing electrolyte. This non-Faradaic interfacial phenomenon has often been overlooked in the battery field in preference to the Faradaic charge-transfer and interphasial forming reactions. Here, a perspective is provided to focus on the EDL and how it dictates much of the later reactions’ behaviors. Two fields of understanding are discussed-one being computational and how to accurately model the EDL in more complex electrolytes, the other being experimental and how to accurately probe the EDL. Both fields are of importance to designing electrolytes and electrodes for improved battery performance, all ofwhich is dictated through interfacial behavior. K E YWORD S
ER  -