Solar-enhanced hybrid lithium–oxygen batteries with a low voltage and superior long-life stability
Chemical Communications2020Vol. 56(88), pp. 13642–13645
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Hao Gong, Hairong Xue, Bin Gao, Yang Li, Xingyu Yu, Xiaoli Fan, Songtao Zhang, Tao Wang, Jianping He
Abstract
Lithium-oxygen batteries (LOBs) can suffer from large charge overpotentials during the sluggish oxygen evolution reaction (OER). Here, a strategy used in the photo-electrochemical (PEC) water oxidation area is integrated into hybrid LOBs. Coating α-Fe2O3 with NiOOH results in enhanced electrochemical properties, and the as-assembled hybrid LOBs deliver a low charge voltage of 3.03 V, high energy efficiency of 88%, and long-term stability for over 350 hours.
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