What question did this study set out to answer?

To resolve electrochemical irreversibility caused by parasitic reductive radical coupling and C–C bond formation in aqueous redox-active organic systems.

August 16, 2026ACS Physical Chemistry AuOpen Access

Redox-MediatedReversible C–C Bond Cleavagein Aqueous Electrochemical Systems

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To resolve electrochemical irreversibility caused by parasitic reductive radical coupling and C–C bond formation in aqueous redox-active organic systems.
Designed an electron-abstraction redox mediator strategy evaluated within an aqueous flow battery configuration.
Tracked C–C bond formation and dissociation dynamics using spectroscopic analyses in conjunction with density functional theory (DFT) calculations.
Achieved mediator-activated C–C bond cleavage with an estimated apparent rate constant of 3.54 × 10–6 M–1 s–1 under tested conditions.
Restored net electrochemical reversibility and improved energy efficiency by bypassing large kinetic activation barriers.

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Implication

Mechanistic study demonstrates mediator-driven carbon–carbon bond scission in aqueous electrolytes, highlighting a pathway to restore reversibility and boost flow battery efficiency.

Cite This Study

Shon et al. (2026) studied this question.

synapsesocial.com/papers/6a8179abf2fb91fc834acf7f https://doi.org/10.1021/acsphyschemau.6c00053

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Implication

Mechanistic study demonstrates mediator-driven carbon–carbon bond scission in aqueous electrolytes, highlighting a pathway to restore reversibility and boost flow battery efficiency.

Redox-MediatedReversible C–C Bond Cleavagein Aqueous Electrochemical Systems

Key Points

Discussion

Implication

Cite This Study

Redox-MediatedReversible C–C Bond Cleavagein Aqueous Electrochemical Systems

Key Points

Discussion

Implication

Cite This Study

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