ArticleNature communications2026
Bio-inspired relay catalysis for aqueous redox flow batteries.
Article in Nature communications, 2026. 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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6 authors.
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Abstract
Aqueous redox flow batteries are promising for long-duration energy storage. However, many of them (e.g. sulfur-based and organic-based flow batteries) suffer from sluggish kinetics with low energy efficiency and insufficient capacity utilization. Here, we propose relay catalysis as a universal strategy to achieve high reaction rates while minimizing overpotential, enabling high capacity and energy efficiency. Inspired by sequential electron transfer in cellular respiration, relay catalysis employs a low-overpotential catalyst (e.g., isoalloxazine) to initiate the reaction, seamlessly transferring control to a high-activity catalyst (e.g., quinone) to sustain charge propagation, breaking the trade-off between overpotential and catalytic rate. Using this strategy, we demonstrate polysulfide-ferrocyanide flow batteries with near full polysulfide utilization (S
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