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Bioinspired Ultrafast All-Climate Self-Charging Flow Battery.

Yuheng Xia1, Tao Wang1, Guo Yang1

  • 1College of Engineering and Applied Sciences, Nanjing University, Nanjing 210023, China.

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|January 21, 2026
PubMed
Summary
This summary is machine-generated.

This study introduces an ultrafast self-charging flow battery using flavin redox chemistry for rapid energy storage. The novel design enables all-climate operation and breaks previous charging rate limitations for sustainable energy solutions.

Keywords:
all-climateflow batteryself-chargingsustainabilityultrafast

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Area of Science:

  • Electrochemistry
  • Materials Science
  • Sustainable Energy

Background:

  • Self-charging batteries offer continuous power but are limited by slow solid-state reactions.
  • Current technologies face thermodynamic and kinetic constraints, restricting charging speeds to hours.

Purpose of the Study:

  • To develop an ultrafast, all-climate self-charging battery inspired by natural electron transfer.
  • To overcome the limitations of solid-gas interfacial reactions in existing self-charging systems.

Main Methods:

  • Utilized flavin redox chemistry for rapid liquid-phase electron transfer.
  • Engineered electrolyte solvation environments using additives for all-climate performance.
  • Conducted in situ/ex situ characterizations to elucidate reaction mechanisms.

Main Results:

  • Achieved a record-high charging rate, reaching 90% capacity in just 10 minutes.
  • Demonstrated stable cycling performance across a wide temperature range (-20 to 50 °C).
  • Identified inner-sphere electron transfer involving the flavin isoalloxazine ring as key to ultrafast kinetics.

Conclusions:

  • Developed a sustainable and green energy system mimicking natural metabolic processes.
  • The flavin-based flow battery offers a promising solution for energy supply in harsh environments.
  • Broadened the design principles for high-performance self-charging batteries.