Carbon felt is central to many aqueous redox flow batteries, yet electrode studies often emphasize initial activity more than the stability of that activity. Our new article in Journal of Power Sources puts durability first.
The article connects three questions that should be answered together:
- Failure modes: What chemical, electrochemical, structural, or mechanical changes cause the electrode to lose performance?
- Stress tests: Do the test conditions reproduce the loads and failure pathways relevant to practical operation?
- Evidence standards: Are degradation claims supported by electrochemical diagnostics, physical characterization, clear baselines, and fully reported conditions?
This framing shifts electrode evaluation away from a single beginning-of-life performance number. A treatment is useful only when its benefit survives operation, its degradation mechanism is identified, and the evidence is strong enough for comparison across laboratories.
Read the paper
Sondit I., Tangthuam P., Chotigkrai N., An T. K., In I., Liu W.-R., Mohamad A. A., Tantaobharse V., Kheawhom S. Durability-first engineering of carbon felt electrodes for aqueous redox flow batteries: Failure modes, stress tests, and evidence standards. Journal of Power Sources 694 (2026) 241310. DOI 10.1016/j.jpowsour.2026.241310
Free full-text access until 10 October 2026: Elsevier Share Link