PMID- 32911420 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20201123 IS - 1095-7103 (Electronic) IS - 0021-9797 (Linking) VI - 582 IP - Pt B DP - 2021 Jan 15 TI - Development of vertically aligned trimetallic Mg-Ni-Co oxide grass-like nanostructure for high-performance energy storage applications. PG - 782-792 LID - S0021-9797(20)31109-7 [pii] LID - 10.1016/j.jcis.2020.08.064 [doi] AB - Direct growth of nanostructured trimetallic oxide on substrate is considered as one of the promising electrode fabrication for high-performance hybrid supercapacitors. Herein, binder-free one-dimensional grass-like nanostructure was constructed on nickel foam by using electrodeposition approach. The admirable enhancement in rate capability was observed by the substitution of Mg and Ni in cobalt oxide crystallite. The prepared nickel cobalt oxide (NCO) and cobalt oxide (CO) electrode exhibited a rate capability of 57% and 58% (2 to 10 A g(-1)) respectively. Interestingly, the rate capability was increased to 87% by the substitution of Mg and Ni simultaneously. The novel vertically aligned trimetallic Mg-Ni-Co oxide (MNCO) grass-like nanostructure electrode exhibited a high specific capacity of 846 C g(-1) at 2 A g(-1)(,) retained 97.3% specific capacity and showed an outstanding coulombic efficiency of 99% after 10,000 charge-discharge cycles. Moreover, we assembled hybrid supercapacitor (HSC) device for practical applications by using MNCO and activated carbon (AC) as the positive and negative electrode materials, respectively. HSC device exhibited a high specific capacity of 144 C g(-1) at 0.5 A g(-1). The high energy density of 31.5 Wh kg(-1) and the power density of 7.99 kW kg(-1) were achieved. All these interesting and attractive results demonstrate the significance of the vertically aligned electrode material towards practical applications. CI - Copyright (c) 2020 Elsevier Inc. All rights reserved. FAU - Hussain, Iftikhar AU - Hussain I AD - Department of Mechanical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong. FAU - Lamiel, Charmaine AU - Lamiel C AD - School of Chemical Engineering, University of Queensland, Australia. FAU - Qin, Ning AU - Qin N AD - Department of Mechanical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong. FAU - Gu, Shuai AU - Gu S AD - Department of Mechanical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong. FAU - Li, Yuxiang AU - Li Y AD - Department of Mechanical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong. FAU - Wu, Shuilin AU - Wu S AD - Department of Mechanical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong. FAU - Huang, Xiaona AU - Huang X AD - Department of Mechanical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong. FAU - Zhang, Kaili AU - Zhang K AD - Department of Mechanical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong. Electronic address: kaizhang@cityu.edu.hk. LA - eng PT - Journal Article DEP - 20200819 PL - United States TA - J Colloid Interface Sci JT - Journal of colloid and interface science JID - 0043125 SB - IM OTO - NOTNLM OT - Grass-like nanostructure OT - Nickel foam OT - Synergistic effect OT - Trimetallic Mg-Ni-Co oxide COIS- Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. EDAT- 2020/09/11 06:00 MHDA- 2020/09/11 06:01 CRDT- 2020/09/10 20:19 PHST- 2020/06/19 00:00 [received] PHST- 2020/08/17 00:00 [revised] PHST- 2020/08/17 00:00 [accepted] PHST- 2020/09/11 06:00 [pubmed] PHST- 2020/09/11 06:01 [medline] PHST- 2020/09/10 20:19 [entrez] AID - S0021-9797(20)31109-7 [pii] AID - 10.1016/j.jcis.2020.08.064 [doi] PST - ppublish SO - J Colloid Interface Sci. 2021 Jan 15;582(Pt B):782-792. doi: 10.1016/j.jcis.2020.08.064. Epub 2020 Aug 19.