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Intrinsically zincophobic protective layer for dendrite-free zinc metal anode

查看全文 作　　者：Chunlin [1]Xie;Qi [1]Zhang;Zefang [1]Yang;Huimin [1]Ji;Yihu [1]Li;Huanhuan [2]Li;Liang [3]Fu;Dan [4]Huang;Yougen [1]Tang;Haiyan [1,2]Wang 高影响力作者 机构地区：[1]Hunan Provincial Key Laboratory of Chemical Power Sources,College of Chemistry and Chemical Engineering,Central South University,Changsha 410083,China;[2]School of Chemistry and Chemical Engineering,Henan Normal University,Xinxiang 453007,China;[3]College of Materials Science and Engineering,Chongqing University,Chongqing 400045,China;[4]Guangxi Novel Battery Materials Research Center of Engineering Technology,School of Physical Science and Technology,Guangxi University,Nanning 530004,China高影响力机构 出　　处：《Chinese Chemical Letters》索引2022年第33卷第5期,共5页高影响力期刊 基　　金：supported by National Nature Science Foundation of China(Nos.U19A2019,U22109181);Hunan Provincial Science and Technology Plan Project of China(Nos.2017TP1001 and 2020JJ2042);the Open Research Fund of School of Chemistry and Chemical Engineering,Henan Normal University。 摘　　要：Aqueous zinc anodes have attracted the attention of many researchers owing to their high safety,low cost,and high theoretical specific capacity.However,its practical application is severely limited by the dendrite growth on zinc anode.Herein,we develop an intrinsically zincophobic barium-titanate protective layer with a porous structure to suppress the zinc dendrite formation by homogenizing the ion distribution on the anode surface,increasing the nucleation sites,and limiting the irregular zinc growth.Based on these synergistic effects,the coated zinc anode can exhibit long cycle life(840 h at 0.5 mA/cm^(2) for 0.5 mAh/cm^(2))and low voltage hysteresis(36 mV).This work can provide a feasible direction for the design of intrinsically zincophobic coating materials to uniformize the zinc stripping and plating. 关 键 词：Zinc metal anode Zinc dendrites BARIUM-TITANATE Protective layer Intrinsically zincophobicity
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