Design of TEMPO-Based Polymer Cathode Materials for pH-Neutral Aqueous Organic Redox Flow Batteries.

Yanwen Ren, Qianqian Zheng, Cuicui He, Jingjing Nie, Binyang Du

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Article in Materials (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

5 authors.

Yanwen RenState Key Laboratory (SKL) of Biobased Transportation Fuel Technology, Department of Polymer Science & Engineering, Zhejiang University, Hangzhou 310058, China.

Qianqian ZhengState Key Laboratory (SKL) of Biobased Transportation Fuel Technology, Department of Polymer Science & Engineering, Zhejiang University, Hangzhou 310058, China.ORCID 0000-0003-0238-3220

Cuicui HeState Key Laboratory (SKL) of Biobased Transportation Fuel Technology, Department of Polymer Science & Engineering, Zhejiang University, Hangzhou 310058, China.

Jingjing NieDepartment of Chemistry, Zhejiang University, Hangzhou 310058, China.

Binyang DuState Key Laboratory (SKL) of Biobased Transportation Fuel Technology, Department of Polymer Science & Engineering, Zhejiang University, Hangzhou 310058, China.ORCID 0000-0002-5693-0325

Funding

National Natural Science Foundation of China 52473020

6 · The paper itself

Abstract

Aqueous organic redox flow batteries (AORFBs) represent an advancing class of electrochemical energy storage systems showing considerable promise for large-scale grid integration due to their unique aqueous organic chemistry. However, the use of small-molecule active materials in AORFBs is significantly limited by the issue of stability and crossover. To address these challenges, we designed a high-water-solubility polymer cathode material, P-T-S, which features a polyvinylimidazole backbone functionalized with 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) and sulfonate groups. P-T-S exhibits a solubility of 34 Ah L

Indexed as

aqueous organic redox flow batterieshigh solubilitypH-neutralpolymer cathode materialTEMPO

Identifiers

PMID40805503

DOI10.3390/ma18153624

PMCPMC12348314

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