Journal
NANOMATERIALS
Volume 11, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/nano11030656
Keywords
AACVD; organohalides; anodes; Zn-ion; intercalation performance
Categories
Funding
- University College London
- China Scholarship Council
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Despite the high potential impact of aqueous battery systems, challenges such as cost, safety, and stability hinder their feasibility for large-scale energy storage. Current research is focused on developing large-scale electrodes with high reversibility and stability through a new class of materials and aerosol-assisted chemical vapor deposition technology. Anode materials based on phenethylammonium bismuth iodide on fluorine doped SnO2-precoated glass substrate showed promising specific capacity and stability in Zn2+ aqueous electrolytes.
Despite the high potential impact of aqueous battery systems, fundamental characteristics such as cost, safety, and stability make them less feasible for large-scale energy storage systems. One of the main barriers encountered in the commercialization of aqueous batteries is the development of large-scale electrodes with high reversibility, high rate capability, and extended cycle stability at low operational and maintenance costs. To overcome some of these issues, the current research work is focused on a new class of material based on phenethylammonium bismuth iodide on fluorine doped SnO2-precoated glass substrate via aerosol-assisted chemical vapor deposition, a technology that is industrially competitive. The anode materials were electrochemically investigated in Zn2+ aqueous electrolytes as a proof of concept, which presented a specific capacity of 220 mAh g(-1) at 0.4 A g(-1) with excellent stability after 50 scans and capacity retention of almost 100%.
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