A Method to Inhibit Disproportionation of Mn3+ for Low-Cost Mn–Fe All-Flow Battery
Source abstract
Abstract
Among battery technologies considered for large-scale energy storage, manganese-based redox flow batteries have been extremely attractive due to the low cost of materials. Impeding its industrial adoption is the precipitation of MnO2 due to disproportionation of Mn3+. In this work, we overcome the formation of MnO2 precipitates through complexation of Mn3+ with Cl– ions. By virtue of the stable [MnCl4(H2O)2]− complex, an inexpensive and scalable Fe–Mn flow battery was demonstrated using Mn3+/Mn2+ and Fe3+/Fe2+ redox couples as catholyte and anolyte, respectively. The flow battery achieved an output voltage of 0.7 V and current density of up to 160 mA cm–2.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced battery technologies research · Advanced Battery Materials and Technologies · Supercapacitor Materials and Fabrication
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai Campus 519082, China
Pillar of Engineering Product Development, Singapore University of Technology and Design, 487372, Singapore
School of Materials Science and Engineering, Jilin University, Changchun 130022, China
Funding
Guangdong Science and Technology Department · Sun Yat-sen University
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