title: Porous hollow Co₃O₄ with rhombic dodecahedral structures for high-performance supercapacitors.
abstract: Porous hollow Co₃O₄ with rhombic dodecahedral structures were prepared by the calcination of ZIF-67 ([Co(mim)2; mim = 2-methylimidazolate]) rhombic dodecahedral microcrystals. A supercapacitor was successfully constructed by adopting the resulting porous hollow Co₃O₄ rhombic dodecahedral structure as the electrode material, which showed a large specific capacitance of 1100 F g(-1) and retained more than 95.1% of the specific capacitance after 6000 continuous charge-discharge cycles. The excellent capacitive properties and stability mark the porous hollow Co₃O₄ with the rhombic dodecahedral structure as one of the most promising electrode materials for high-performance supercapacitors.
authors.affiliation: Key Laboratory for Organic Electronics & Information Displays (KLOEID), Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210023, China. iamwylai@njupt.edu.cn iamwhuang@njupt.edu.cn.
authors.forename: Yi-Zhou
authors.initials: YZ
authors.lastname: Zhang
authors.forename: Yang
authors.initials: Y
authors.lastname: Wang
authors.forename: Ye-Lei
authors.initials: YL
authors.lastname: Xie
authors.forename: Tao
authors.initials: T
authors.lastname: Cheng
authors.forename: Wen-Yong
authors.initials: WY
authors.lastname: Lai
authors.forename: Huan
authors.initials: H
authors.lastname: Pang
authors.forename: Wei
authors.initials: W
authors.lastname: Huang