Sign in Subscribe
Batteries

Breakthrough in Nanotechnology: Researchers Develop High-Performance Nanoparticles for Redox Flow Batteries

Strategic Insights

— 1 min read

Researchers from Waseda University have made a significant breakthrough in nanotechnology by developing hydrophilic redox polymer nanoparticles with zwitterionic moieties that improve material utilization for semisolid redox flow batteries. According to the study, the introduction of 10 mol% zwitterionic moiety results in the best combination of material utilization and cycle stability. This approach has been touted as an effective molecular design strategy to achieve high-performance and high-volumetric-density semisolid RFBs.

Key Takeaways:

  • Researchers at Waseda University have developed hydrophilic redox polymer nanoparticles with zwitterionic moieties that improve material utilization for semisolid redox flow batteries.
  • The introduction of 10 mol% zwitterionic moiety results in the best combination of material utilization and cycle stability.
  • The research has been peer-reviewed and has been published in the journal ChemSusChem.
  • The study's lead authors, Shinjiro Mori, Kohei Ishigami, and Kenichi Oyaizu, worked under the guidance of Waseda University's Department of Applied Chemistry.
  • The researchers have achieved significant changes in surface properties, indicating promising dispersion stability and electrochemical performance.
  • The developed nanoparticles show promising applications in semisolid redox flow batteries, which are essential for energy storage systems.

Statistics:

  • 10 mol% zwitterionic moiety introduction results in the best combination of material utilization and cycle stability.
  • The study reports a significant change in surface properties, indicating a promising dispersion stability and electrochemical performance.
  • The research has been peer-reviewed and has been published in the journal ChemSusChem in 2025.
  • The study's lead authors, Shinjiro Mori, Kohei Ishigami, and Kenichi Oyaizu, are affiliated with Waseda University's Department of Applied Chemistry.

Sources:

  • Approach to Tuning the Dispersion Stability of TEMPO-substituted Polymer Nanoparticles for Aqueous Organic Redox Flow Batteries. ChemSusChem, 2025.
  • NewsRx. Study Results from Waseda University Broaden Understanding of Nanoparticles (Approach to Tuning the Dispersion Stability of TEMPO-substituted Polymer Nanoparticles for Aqueous Organic Redox Flow Batteries). Nanotechnology Weekly. August 25, 2025; p 1819.

Read more