Research Progress on Thermal Management of All-vanadium Redox Flow Batteries
The formulation of reasonable thermal management strategies is an important guarantee for the long-term and efficient operation of all-vanadium flow batteries.In this paper,the characteristics of heat generated by electrochemical reactions,overpotential,crossover reactions,and shunt current in vanadium flow batteries are analyzed.Additionally,thermal management strategies under different scenarios are introduced.A comparison is made between three thermal management approaches,namely operating parameters,active heat dissipation and passive heat dissipation.Furthermore,the effects of current intensity,electrolyte flow state,and ambient temperature on heat generation in vanadium flow batteries are examined.The research status of active and passive heat dissipation is described as well.Finally,the characteristics of heat generation and the scheme of thermal management in standby state are introduced.
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