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典型文献
Stable interphase chemistry of textured Zn anode for rechargeable aqueous batteries
文献摘要:
Despite the advances of aqueous zinc(Zn)batteries as sustainable energy storage systems,their practical application remains challenging due to the issues of spontaneous corrosion and dendritic deposits at the Zn metal anode.In this work,conformal growth of zinc hydroxide sulfate(ZHS)with dominating(001)facet was realized on(002)plane-dominated Zn metal foil fabricated through a facile thermal annealing process.The ZHS possessed high Zn2+conductivity(16.9 mS cm-1)and low electronic conductivity(1.28×104 Ω cm),and acted as a heterogeneous and robust solid electrolyte interface(SEI)layer on metallic Zn electrode,which regulated the electrochemical Zn plating behavior and suppressed side reac-tions simultaneously.Moreover,low self-diffusion barrier along the(002)plane promoted the 2D diffu-sion and horizontal electrochemical plating of metallic Zn for(002)-textured Zn electrode.Consequently,the as-achieved Zn electrode exhibited remarkable cycling stability over 7000 cycles at 2 mA cm-2 and 0.5 mAh cm-2 with a low overpotential of 25 mV in symmetric cells.Pairing with a MnO2 cathode,the as-achieved Zn electrode achieved stable cell cycling with 92.7%capacity retention after 1000 cycles at 10C with a remarkable average Coulombic efficiency of 99.9%.
文献关键词:
作者姓名:
Jindi Wang;Bao Zhang;Zhao Cai;Renming Zhan;Wenyu Wang;Lin Fu;Mintao Wan;Run Xiao;Yangtao Ou;Li Wang;Jianjun Jiang;Zhi Wei Seh;Hong Li;Yongming Sun
作者机构:
Wuhan National Laboratory for Optoelectronics,Huazhong University of Science and Technology,Wuhan 430074,China;School of Optical and Electronic Information,Huazhong University of Science and Technology,Wuhan 430074,China;Institute of Nuclear&New Energy Technology,Tsinghua University,Beijing 100084,China;Institute of Materials Research and Engineering,Agency for Science,Technology and Research(A*STAR),Innovis 138634,Singapore;Institute of Physics,Chinese Academy of Sciences,Beijing 100190,China
引用格式:
[1]Jindi Wang;Bao Zhang;Zhao Cai;Renming Zhan;Wenyu Wang;Lin Fu;Mintao Wan;Run Xiao;Yangtao Ou;Li Wang;Jianjun Jiang;Zhi Wei Seh;Hong Li;Yongming Sun-.Stable interphase chemistry of textured Zn anode for rechargeable aqueous batteries)[J].科学通报(英文版),2022(07):716-724
A类:
ZHS,Zn2+conductivity
B类:
Stable,interphase,chemistry,textured,anode,rechargeable,aqueous,batteries,Despite,advances,zinc,sustainable,energy,storage,systems,their,practical,application,remains,challenging,due,issues,spontaneous,corrosion,dendritic,deposits,In,this,work,conformal,growth,hydroxide,sulfate,dominating,facet,was,realized,plane,dominated,foil,fabricated,through,facile,thermal,annealing,process,possessed,high,mS,low,electronic,acted,heterogeneous,robust,solid,electrolyte,interface,SEI,layer,metallic,electrode,which,regulated,electrochemical,plating,behavior,suppressed,side,reac,tions,simultaneously,Moreover,self,diffusion,barrier,along,promoted,2D,horizontal,Consequently,achieved,exhibited,remarkable,cycling,stability,cycles,mAh,overpotential,mV,symmetric,cells,Pairing,MnO2,cathode,stable,capacity,retention,after,10C,average,Coulombic,efficiency
AB值:
0.633844
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