# Electrolyte design for high power dual-ion battery with graphite cathode for low temperature applications

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## File

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## Id

74ec915a-a8dc-4b98-bd74-e48e83447a23

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2024-08-09T13:57:24.761868Z

## Updated at

2024-08-22T05:00:15.118094Z

## Published at

2026-05-30T23:25:50.988339Z

## Doi

https://doi.org/10.48505/nims.4668

## First published url

https://doi.org/10.1016/j.cej.2024.152602

## Date published

2024-05-30

## Recorded date published

2024-8

## Resource type

journal_article

## Manuscript type

accepted_manuscript

## Collection



## Title

- title: Electrolyte design for high power dual-ion battery with graphite cathode
    for low temperature applications
  title_type: original
  lang: en

## Description

- description: 'The design of electrolyte suitable for low-temperature use is of great
    significance to expand the applications of energy storage devices. Dual-ion battery
    (DIB) with fast ion transport kinetics is expected to be a nascent battery system
    that can deliver high power density both at room temperature and low temperatures.
    In this work, we design a 4.8 M lithium bis(fluorosulfonyl)imide in 2,2,2-trifluoroethyl
    acetate/dimethyl carbonate (LiFSI FEA/DMC) + 1% LiPF6 electrolyte with a low melting
    point of about -93℃, enabling graphite cathode in a DIB to achieve excellent fast
    charge/discharge capability with a high capacity of about 108 mAh g-1 and 80 mAh
    g-1 at 10 C at 25℃ and 0℃, respectively. Even at -30℃, the graphite cathode can
    still give 69.2 mAh g-1 at 0.5 C. The graphite||Li DIB with 4.8 M LiFSI FEA/DMC
    + 1% LiPF6 electrolyte also exhibits a stable cycle life with a capacity retention
    of 91.5% at 5 C after 2000 cycles at 25 ℃. The electrolyte forms a uniform cathode
    electrolyte interface film on the graphite surface, as confirmed by transmission
    electron microscopy and X-ray photoelectron spectroscopy, which enables the outstanding
    electrochemical performance of the graphite cathode in a wide working temperature
    range from -30 ℃ to 25 ℃.  '
  description_type: abstract
  lang: und

## Creator

- name: Yu Zhao
  role: author
- name: Hekang Zhu
  role: author
- name: Lidan Xing
  role: author
- name: Denis Y.W. Yu
  role: author
  orcid: https://orcid.org/0000-0002-5883-7087
  organization: National Institute for Materials Science
  ror: https://ror.org/026v1ze26

## Contact agent



## Publisher

organization: Elsevier BV

## Managing organization



## Keyword

- subject: electrolyte
  schema: not_defined
- subject: Dual-ion battery
  schema: not_defined
- subject: graphite cathode
  schema: not_defined
- subject: electrode-electrolyte interphase
  schema: not_defined
- subject: low temperature
  schema: not_defined

## Rights

- description: "© 2024. \r\nLicensed under the Creative Commons https://creativecommons.org/licenses/by-nc-nd/4.0/."
  identifier: https://creativecommons.org/licenses/by-nc-nd/4.0/

## Other identifier(s)



## Data origin

- data_origin_type: other

## Embargo

start_date: 2024-05-30
end_date: 2026-05-31

## Journal

- title: Chemical Engineering Journal
  issn: '13858947'
  volume: '493'
  article_number: '152602'

## Conference



## Related item



## Funding

- funder_name: University Grants Committee Research Grants Council

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filename: 240505_FEA_Manuscript_Yu (revision)_nohighlight.docx