DOI: 10.1073/pnas.1314345110. Biologically derived melanin electrodes in aqueous sodium-ion energy storage devices

Biologically derived melanin electrodes in aqueous sodium-ion energy storage devices

10.1073/pnas.1314345110

Crossref journal-article

Proceedings of the National Academy of Sciences

Proceedings of the National Academy of Sciences (341)

Abstract

Significance Here we present important findings related to biologically derived pigments for potential use as battery electrodes. Namely, we report the synthesis, fabrication, and characterization of melanins as materials for use in aqueous sodium-ion batteries. We demonstrate the use of naturally occurring melanins as active electrode materials in charge storage devices. Furthermore, the performance of melanin anodes is comparable to many commonly available synthetic organic electrode materials. The structure–property relationships that govern the storage capacity in melanin materials were also elucidated. These findings suggest that the unique chemistry and nanostructure in natural melanins increase the charge storage capacity compared with synthetic melanin analogues.

Bibliography

Kim, Y. J., Wu, W., Chun, S.-E., Whitacre, J. F., & Bettinger, C. J. (2013). Biologically derived melanin electrodes in aqueous sodium-ion energy storage devices. Proceedings of the National Academy of Sciences, 110(52), 20912â20917.

Authors 5

Young Jo Kim (first)
Wei Wu (additional)
Sang-Eun Chun (additional)
Jay F. Whitacre (additional)
Christopher J. Bettinger (additional)

References 87 Referenced 297

Dates

Type	When
Created	11 years, 8 months ago (Dec. 10, 2013, 12:11 a.m.)
Deposited	3 years, 4 months ago (April 12, 2022, 11:18 p.m.)
Indexed	10 hours, 57 minutes ago (Aug. 27, 2025, 11:32 a.m.)
Issued	11 years, 8 months ago (Dec. 9, 2013)
Published	11 years, 8 months ago (Dec. 9, 2013)
Published Online	11 years, 8 months ago (Dec. 9, 2013)
Published Print	11 years, 8 months ago (Dec. 24, 2013)

Funders 0

None

BibTeX

@article{Kim_2013, title={Biologically derived melanin electrodes in aqueous sodium-ion energy storage devices}, volume={110}, ISSN={1091-6490}, url={http://dx.doi.org/10.1073/pnas.1314345110}, DOI={10.1073/pnas.1314345110}, number={52}, journal={Proceedings of the National Academy of Sciences}, publisher={Proceedings of the National Academy of Sciences}, author={Kim, Young Jo and Wu, Wei and Chun, Sang-Eun and Whitacre, Jay F. and Bettinger, Christopher J.}, year={2013}, month=dec, pages={20912–20917} }

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