Hexameric Structure-Dependent Catalysis of Oxalate Oxidase for Mitigating Shuttle Effect in High-Temperature Li-S Batteries

Key Points

• To mitigate the shuttle effect and improve redox kinetics in lithium–sulfur batteries under high-temperature conditions.
• Introduced oxalate oxidase as a natural thermostable catalyst.
• Investigated the hexameric structure-dependent catalysis of the enzyme.
• Assessed the performance in lithium–sulfur battery systems.
• Demonstrated effective mitigation of the lithium polysulfide shuttle effect.
• Showed enhanced redox kinetics at high temperatures.
• Validated the efficiency of oxalate oxidase as a catalyst.