High-energy and low-cost membrane-free chlorine flow battery

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dc.contributor.authorHou, Singyuk
dc.contributor.authorChen, Long
dc.contributor.authorFan, Xiulin
dc.contributor.authorFan, Xiaotong
dc.contributor.authorJi, Xiao
dc.contributor.authorWang, Boyu
dc.contributor.authorCui, Chunyu
dc.contributor.authorChen, Ji
dc.contributor.authorYang, Chongyin
dc.contributor.authorWang, Wei
dc.contributor.authorLi, Chunzhong
dc.contributor.authorWang, Chunsheng
dc.date.accessioned2022-06-14T20:06:24Z
dc.date.available2022-06-14T20:06:24Z
dc.date.issued2022-03-11
dc.descriptionPartial funding for Open Access provided by the UMD Libraries' Open Access Publishing Fund.en_US
dc.description.abstractGrid-scale energy storage is essential for reliable electricity transmission and renewable energy integration. Redox flow batteries (RFB) provide affordable and scalable solutions for stationary energy storage. However, most of the current RFB chemistries are based on expensive transition metal ions or synthetic organics. Here, we report a reversible chlorine redox flow battery starting from the electrolysis of aqueous NaCl electrolyte and the as-produced Cl2 is extracted and stored in the carbon tetrachloride (CCl4) or mineral spirit flow. The immiscibility between the CCl4 or mineral spirit and NaCl electrolyte enables a membrane-free design with an energy efficiency of >91% at 10 mA/cm2 and an energy density of 125.7 Wh/L. The chlorine flow battery can meet the stringent price and reliability target for stationary energy storage with the inherently low-cost active materials (~$5/kWh) and the highly reversible Cl2/Cl− redox reaction.en_US
dc.description.urihttps://doi.org/10.1038/s41467-022-28880-x
dc.identifierhttps://doi.org/10.13016/yzb0-nfl3
dc.identifier.citationHou, S., Chen, L., Fan, X. et al. High-energy and low-cost membrane-free chlorine flow battery. Nat Commun 13, 1281 (2022).en_US
dc.identifier.urihttp://hdl.handle.net/1903/28680
dc.language.isoen_USen_US
dc.publisherSpringer Natureen_US
dc.relation.isAvailableAtDigital Repository at the University of Marylanden_us
dc.relation.isAvailableAtUniversity of Maryland (College Park, MD)en_us
dc.relation.isAvailableAtA. James Clark School of Engineeringen_us
dc.relation.isAvailableAtChemical & Biomolecular Engineeringen_us
dc.titleHigh-energy and low-cost membrane-free chlorine flow batteryen_US
dc.typeArticleen_US

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