Controllable and large-area growth of ZnO nanosheet arrays under ambient condition as superior anodes for scalable aqueous batteries
作者机构：Institute of Micro/Nano Materials and DevicesNingbo University of TechnologyNingboZhejiangPeople's Republic of China College of Materials Science and EngineeringHunan UniversityChangshaPeople's Republic of China
出 版 物：《Carbon Energy》 (碳能源（英文）)
年 卷 期：2023年第5卷第12期
页 面：241-251页
核心收录：
学科分类：0808[工学-电气工程] 07[理学] 070205[理学-凝聚态物理] 08[工学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0702[理学-物理学]
基 金：the National Natural Science Foundation of China(NSFC,Grant No.51972178) the Natural Science Foundation of Ningbo(2022J139) the Ningbo Yongjiang Talent Introduction Programme(2022A-227-G)
主 题：ambient conditions aqueous Zn-ion batteries crystal growth nanosheet arrays ZnO
摘 要：Two-dimensional(2D)oxides have been the focus of substantial research interest recently,owing to their fascinating physico-chemical ***,fabrication of large-area 2D oxide materials in a controlled manner under mild conditions still remains a formidable ***,we develop a facile and universal strategy based on the sonochemistry approach for controllable and large-area growth of quasi-aligned single-crystalline ZnO nanosheets on a Zn substrate(Zn@SC-ZnO)under ambient *** obtained ZnO nanosheets possess the desired exclusively exposed(001)facets,which have been confirmed to play a critical role in significantly reducing the activation energy and facilitating the stripping/plating processes of ***,the constructed Zn@SC-ZnO||Zn@SC-ZnO symmetric cell has very low polarization overpotential down to~20 mV,with limited dendrite growth and side reactions for Zn *** developed Zn@SC-ZnO//MnO_(2)aqueous Zn-ion batteries(ZIBs)show a voltage efficiency of 88.2%under 500 mA g^(-1)at the stage of 50%depth of discharge,which is state of the art for ZIBs reported to ***,the as-assembled large-size cell(5 cm×5 cm)delivers an open circuit potential of 1.648 V,and can be robustly operated under a high current of 20 mA,showing excellent potential for future scalable applications.
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