Polarity coupling in biphasic electrolytes enables iodine/polyiodide co-extraction for portable Zn–iodine batteries following a liquid–liquid conversion route
Hai Xu, Ruanye Zhang, Derong Luo, Kangsheng Huang, Jiuqing Wang, Gengzhi Sun, Hui Dou, Xiaogang Zhang
Abstract
A biphasic (BP) electrolyte system composed of two immiscible solutions of Zn(TFSI) 2 in EA and ZnSO 4 /KI in water is designed to address the key issues existing in Zn–iodine batteries.
Topics & Concepts
IodinePolarity (international relations)ElectrolyteChemistryExtraction (chemistry)Polarity reversalLiquid–liquid extractionInorganic chemistryMaterials scienceChromatographyElectrodeOrganic chemistryVoltageBiochemistryElectrical engineeringPhysical chemistryEngineeringCellRadioactive element chemistry and processingChemical Synthesis and ReactionsCovalent Organic Framework Applications