From the journal:

Journal of Materials Chemistry A

A pyromellitic diimide-based negolyte for neutral aqueous organic redox flow batteries with high power density

Weijie Zheng,a   Yufeng Liu,a   Mingbao Huang,*a   Kai Wan,b   Zhipeng Xiang,c   Zhiyong Fu ORCID logo *ad  and  Zhenxing Liang ORCID logo a  

* Corresponding authors

a Guangdong Provincial Key Laboratory of Fuel Cell Technology, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China
E-mail: huangmb08@hotmail.com, zyfu@scut.edu.cn

b School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China

c Institute for Sustainable Transformation, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China

d Beijing Laboratory of New Energy Storage Technology, Beijing 102206, China

Abstract

The redox potential of an aromatic diimide derivative is regulated by tailoring the conjugated structure, yielding the most negative pyromellitic diimide negolyte with high solubility and fast reaction kinetics. It is used to construct a high-voltage pH-neutral aqueous organic redox flow battery that achieves a record power density of 307 mW cm−2.

Graphical abstract: A pyromellitic diimide-based negolyte for neutral aqueous organic redox flow batteries with high power density

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Article information

DOI
https://doi.org/10.1039/D6TA00912C
Article type
Communication
Submitted
30 Jan 2026
Accepted
18 Mar 2026
First published
19 Mar 2026

J. Mater. Chem. A, 2026, Advance Article

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A pyromellitic diimide-based negolyte for neutral aqueous organic redox flow batteries with high power density

W. Zheng, Y. Liu, M. Huang, K. Wan, Z. Xiang, Z. Fu and Z. Liang, J. Mater. Chem. A, 2026, Advance Article , DOI: 10.1039/D6TA00912C

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