Highly stable Mn-Sn flow batteries towards low-temperature energy storage

Key Points

• This research aims to explore the performance of Mn-Sn flow batteries at low temperatures.
• Utilized aqueous redox flow battery technology.
• Assessed performance below −20°C under controlled conditions.
• Analyzed ionic conductivity and freezing point of various electrolytes.
• Achieved stable operation of Mn-Sn flow batteries at temperatures previously deemed impractical.
• Observed significant improvements in ionic conductivity at low temperatures.
• Identified optimal electrolyte compositions for low-temperature performance.

Abstract