Improved Performance of Ionic Liquid Supercapacitors by using Tetracyanoborate Anions Article Swipe
Vitor L. Martins
,
Anthony J. R. Rennie
,
Nédher Sánchez-Ramírez
,
Roberto M. Torresi
,
Peter J. Hall
·
YOU?
·
· 2017
· Open Access
·
· DOI: https://doi.org/10.1002/celc.201701164
YOU?
·
· 2017
· Open Access
·
· DOI: https://doi.org/10.1002/celc.201701164
Supercapacitors are energy storage devices designed to operate at higher power densities than conventional batteries, but their energy density is still too low for many applications. Efforts are made to design new electrolytes with wider electrochemical windows than aqueous or conventional organic electrolytes in order to increase energy density. Ionic liquids (ILs) with wide electrochemical stability windows are excellent candidates to be employed as supercapacitor electrolytes. ILs containing tetracyanoborate anions [B(CN) 4 ] offer wider electrochemical stability than conventional electrolytes and maintain a high ionic conductivity (6.9 mS cm −1 ). Herein, we report the use of ILs containing the [B(CN) 4 ] anion for such an application. They presented a high maximum operating voltage of 3.7 V, and two‐electrode devices demonstrate high specific capacitances even when operating at relatively high rates (ca. 20 F g −1 @ 15 A g −1 ). This supercapacitor stored more energy and operated at a higher power at all rates studied when compared with cells using a commonly studied ILs.
Related Topics
Concepts
Supercapacitor
Electrolyte
Ionic liquid
Electrochemistry
Materials science
Power density
Ionic conductivity
Energy storage
Ion
Electrode
Conductivity
Energy density
Chemical engineering
Power (physics)
Chemistry
Engineering physics
Organic chemistry
Thermodynamics
Engineering
Physics
Catalysis
Physical chemistry
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1002/celc.201701164
- https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/celc.201701164
- OA Status
- hybrid
- Cited By
- 42
- References
- 49
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W2775775317
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W2775775317Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1002/celc.201701164Digital Object Identifier
- Title
-
Improved Performance of Ionic Liquid Supercapacitors by using Tetracyanoborate AnionsWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2017Year of publication
- Publication date
-
2017-12-16Full publication date if available
- Authors
-
Vitor L. Martins, Anthony J. R. Rennie, Nédher Sánchez-Ramírez, Roberto M. Torresi, Peter J. HallList of authors in order
- Landing page
-
https://doi.org/10.1002/celc.201701164Publisher landing page
- PDF URL
-
https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/celc.201701164Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
hybridOpen access status per OpenAlex
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https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/celc.201701164Direct OA link when available
- Concepts
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Supercapacitor, Electrolyte, Ionic liquid, Electrochemistry, Materials science, Power density, Ionic conductivity, Energy storage, Ion, Electrode, Conductivity, Energy density, Chemical engineering, Power (physics), Chemistry, Engineering physics, Organic chemistry, Thermodynamics, Engineering, Physics, Catalysis, Physical chemistryTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
42Total citation count in OpenAlex
- Citations by year (recent)
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2025: 3, 2024: 5, 2023: 4, 2022: 4, 2021: 8Per-year citation counts (last 5 years)
- References (count)
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49Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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