Innovative pH-buffering strategies for enhanced cycling stability in zinc–iodine flow batteries
Phonnapha Tangthuam, Suttipong Wannapaiboon, Pinit Kidkhunthod, Jeng‐Lung Chen, Chia‐Che Chang, Chih‐Wen Pao, Phitchapa Ausamanwet Zijdemans, Tetsu Yonezawa, Manaswee Suttipong, Soorathep Kheawhom
Abstract
The introduction of NH 4 OAc forms an NH 4 + electrostatic layer to prevent zinc dendrite growth, while OAc − ions buffer pH, reducing corrosion and competing with water molecules to regulate the Zn/electrolyte interface.
Topics & Concepts
CyclingZincIodineFlow (mathematics)Environmental scienceChemistryChemical engineeringMaterials scienceMetallurgyEngineeringMathematicsHistoryGeometryArchaeologyAdvanced battery technologies researchElectrochemical Analysis and ApplicationsExtraction and Separation Processes