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  Sustainable cathodes for lithium-ion energy storage devices based on tannic acid—toward ecofriendly energy storage

Ilic, I., Tsouka, A., Perovic, M., Hwang, J., Heil, T., Löffler, F. F., et al. (2021). Sustainable cathodes for lithium-ion energy storage devices based on tannic acid—toward ecofriendly energy storage. Advanced Sustainable Systems, 5(1): 2000206. doi:10.1002/adsu.202000206.

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 Creators:
Ilic, Ivan1, Author              
Tsouka, Alexandra2, Author              
Perovic, Milena3, Author              
Hwang, Jinyeon3, Author              
Heil, Tobias4, Author              
Löffler, Felix F.2, Author              
Oschatz, Martin3, Author              
Antonietti, Markus5, Author              
Liedel, Clemens1, Author              
Affiliations:
1Clemens Liedel, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2288694              
2Felix Löffler, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2385692              
3Martin Oschatz, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2364733              
4Nadezda V. Tarakina, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2522693              
5Markus Antonietti, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863321              

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Free keywords: biomass, electrochemistry, energy storage, redox chemistry, sustainability, tannic acid
 Abstract: The use of organic materials with reversible redox activity holds enormous potential for next-generation Li-ion energy storage devices. Yet, most candidates are not truly sustainable, i.e., not derived from renewable feedstock or made in benign reactions. Here an attempt is reported to resolve this issue by synthesizing an organic cathode material from tannic acid and microporous carbon derived from biomass. All constituents, including the redox-active material and conductive carbon additive, are made from renewable resources. Using a simple, sustainable fabrication method, a hybrid material is formed. The low cost and ecofriendly material shows outstanding performance with a capacity of 108 mAh g−1 at 0.1 A g−1 and low capacity fading, retaining approximately 80% of the maximum capacity after 90 cycles. With approximately 3.4 V versus Li+/Li, the cells also feature one of the highest reversible redox potentials reported for biomolecular cathodes. Finally, the quinone-catecholate redox mechanism responsible for the high capacity of tannic acid is confirmed by electrochemical characterization of a model compound similar to tannic acid but without catecholic groups.

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Language(s): eng - English
 Dates: 2020-11-182021
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1002/adsu.202000206
BibTex Citekey: https://doi.org/10.1002/adsu.202000206
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Project name : -
Grant ID : LI 2526/4-1
Funding program : -
Funding organization : DFG
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Grant ID : 13XP5050A
Funding program : -
Funding organization : BMBF

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Title: Advanced Sustainable Systems
Source Genre: Journal
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Publ. Info: Weinheim : Wiley
Pages: - Volume / Issue: 5 (1) Sequence Number: 2000206 Start / End Page: - Identifier: ISSN: 2366-7486