Electrolytes make up a large portion of the volume of energy storage devices,but they often do not contribute to energy storage.The ability of using electrolytes to store charge would promise a significant increase in...Electrolytes make up a large portion of the volume of energy storage devices,but they often do not contribute to energy storage.The ability of using electrolytes to store charge would promise a significant increase in energy density to meet the needs of evolving electronic devices.Redox-flow batteries use electrolytes to store energy and show high energy densities,but the same design cannot be applied to portable or microdevices that require static electrolytes.Therefore,implementing electrolyte energy storage in a non-flow design becomes critical.This review summarizes the requirements for a stable and efficient electrolyte and diverse redox-active species dissolved in aqueous solutions.More importantly,we review the pioneering works using static electrolyte energy storage in the hope that it will pave a new way to design compact and energy-dense batteries.展开更多
基金M Zhu acknowledges the support by the German Research Foundation DFG(ZH 989/2-1)O G Schmidt acknowledges financial support by the Leibniz Program of the German Research Foundation(SCHM 1298/26-1)H Tang,Z Qu,W Zhang and H Zhang acknowledge the support and funding from China Scholarship Council(CSC).
文摘Electrolytes make up a large portion of the volume of energy storage devices,but they often do not contribute to energy storage.The ability of using electrolytes to store charge would promise a significant increase in energy density to meet the needs of evolving electronic devices.Redox-flow batteries use electrolytes to store energy and show high energy densities,but the same design cannot be applied to portable or microdevices that require static electrolytes.Therefore,implementing electrolyte energy storage in a non-flow design becomes critical.This review summarizes the requirements for a stable and efficient electrolyte and diverse redox-active species dissolved in aqueous solutions.More importantly,we review the pioneering works using static electrolyte energy storage in the hope that it will pave a new way to design compact and energy-dense batteries.