Emerging organic electrode materials for aqueous proton batteries

Zhenzhen Wu, Pan Yang, Shouyue Wang, Sheng Li, Shanqing Zhang

Research output: Contribution to journalReview articlepeer-review

21 Scopus citations

Abstract

Rechargeable aqueous proton batteries (APBs) based on organic electrode materials (OEMs) offer great promise for their excellent safety, high power density, and long-life electrochemical performance due to fast proton diffusion kinetics in the electrodes and aqueous electrolytes. However, they still face enormous challenges before they can be widely used in practice. In this work, we overview the historical development of OEM-based APBs, exploring the rational design of electrolytes and modification strategies of OEMs for secure proton-storage capability and rapid transfer kinetics. Additionally, the advanced material characterization of OEMs is reviewed to study the working mechanism during the proton uptake/removal process. This work could facilitate further development of OEM-based APBs for large-scale applications.

Original languageEnglish
Pages (from-to)1121-1134
Number of pages14
JournalTrends in Chemistry
Volume4
Issue number12
DOIs
StatePublished - Dec 2022

Keywords

  • Grotthuss-type proton transfer
  • aqueous proton battery
  • characterization methods
  • organic electrode materials
  • redox mechanism

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