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Title: Rational Design of Nickel Hydroxide-Based Nanocrystals on Graphene for Ultrafast Energy Storage

Abstract

Compact, light, and powerful energy storage devices are urgently needed for many emerging applications; however, the development of advanced power sources relies heavily on advances in materials innovation. Here, the findings in rational design, one‐pot synthesis, and characterization of a series of Ni hydroxide‐based electrode materials in alkaline media for fast energy storage are reported. Under the guidance of density functional theory calculations and experimental investigations, a composite electrode composed of Co‐/Mn‐substituted Ni hydroxides grown on reduced graphene oxide (rGO) is designed and prepared, demonstrating capacities of 665 and 427 C g−1 at current densities of 2 and 20 A g−1, respectively. The superior performance is attributed mainly to the low deprotonation energy and the facile electron transport, as elaborated by theoretical calculations. When coupled with an electrode based on organic molecular‐modified rGO, the resulting hybrid device demonstrates an energy density of 74.7 W h kg−1 at a power density of 1.68 kW kg−1 while maintaining capacity retention of 91% after 10,000 cycles (20 A g−1). The findings not only provide a promising electrode material for high‐performance hybrid capacitors but also open a new avenue toward knowledge‐based design of efficient electrode materials for other energy storage applications.

Authors:
ORCiD logo [1];  [1];  [2];  [1];  [3];  [1];  [1];  [1];  [4];  [1];  [1];  [3]; ORCiD logo [1]
  1. School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta GA 30332-0245 USA
  2. School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta GA 30332-0245 USA; Department of Materials Science and Engineering, College of Materials, Xiamen University, Xiamen Fujian 361005 China
  3. Department of Materials Science and Engineering, College of Materials, Xiamen University, Xiamen Fujian 361005 China
  4. School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta GA 30332-0245 USA; New Energy Research Institute, School of Environment and Energy, South China University of Technology, Guangzhou 510006 China
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC); Univ. of California, Oakland, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1543465
Alternate Identifier(s):
OSTI ID: 1413796
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Advanced Energy Materials
Additional Journal Information:
Journal Volume: 8; Journal Issue: 9; Journal ID: ISSN 1614-6832
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
Chemistry; Energy & Fuels; Materials Science; Physics

Citation Formats

Zhao, Bote, Zhang, Lei, Zhang, Qiaobao, Chen, Dongchang, Cheng, Yong, Deng, Xiang, Chen, Yu, Murphy, Ryan, Xiong, Xunhui, Song, Bo, Wong, Ching-Ping, Wang, Ming-Sheng, and Liu, Meilin. Rational Design of Nickel Hydroxide-Based Nanocrystals on Graphene for Ultrafast Energy Storage. United States: N. p., 2017. Web. doi:10.1002/aenm.201702247.
Zhao, Bote, Zhang, Lei, Zhang, Qiaobao, Chen, Dongchang, Cheng, Yong, Deng, Xiang, Chen, Yu, Murphy, Ryan, Xiong, Xunhui, Song, Bo, Wong, Ching-Ping, Wang, Ming-Sheng, & Liu, Meilin. Rational Design of Nickel Hydroxide-Based Nanocrystals on Graphene for Ultrafast Energy Storage. United States. doi:10.1002/aenm.201702247.
Zhao, Bote, Zhang, Lei, Zhang, Qiaobao, Chen, Dongchang, Cheng, Yong, Deng, Xiang, Chen, Yu, Murphy, Ryan, Xiong, Xunhui, Song, Bo, Wong, Ching-Ping, Wang, Ming-Sheng, and Liu, Meilin. Mon . "Rational Design of Nickel Hydroxide-Based Nanocrystals on Graphene for Ultrafast Energy Storage". United States. doi:10.1002/aenm.201702247. https://www.osti.gov/servlets/purl/1543465.
@article{osti_1543465,
title = {Rational Design of Nickel Hydroxide-Based Nanocrystals on Graphene for Ultrafast Energy Storage},
author = {Zhao, Bote and Zhang, Lei and Zhang, Qiaobao and Chen, Dongchang and Cheng, Yong and Deng, Xiang and Chen, Yu and Murphy, Ryan and Xiong, Xunhui and Song, Bo and Wong, Ching-Ping and Wang, Ming-Sheng and Liu, Meilin},
abstractNote = {Compact, light, and powerful energy storage devices are urgently needed for many emerging applications; however, the development of advanced power sources relies heavily on advances in materials innovation. Here, the findings in rational design, one‐pot synthesis, and characterization of a series of Ni hydroxide‐based electrode materials in alkaline media for fast energy storage are reported. Under the guidance of density functional theory calculations and experimental investigations, a composite electrode composed of Co‐/Mn‐substituted Ni hydroxides grown on reduced graphene oxide (rGO) is designed and prepared, demonstrating capacities of 665 and 427 C g−1 at current densities of 2 and 20 A g−1, respectively. The superior performance is attributed mainly to the low deprotonation energy and the facile electron transport, as elaborated by theoretical calculations. When coupled with an electrode based on organic molecular‐modified rGO, the resulting hybrid device demonstrates an energy density of 74.7 W h kg−1 at a power density of 1.68 kW kg−1 while maintaining capacity retention of 91% after 10,000 cycles (20 A g−1). The findings not only provide a promising electrode material for high‐performance hybrid capacitors but also open a new avenue toward knowledge‐based design of efficient electrode materials for other energy storage applications.},
doi = {10.1002/aenm.201702247},
journal = {Advanced Energy Materials},
number = 9,
volume = 8,
place = {United States},
year = {2017},
month = {12}
}

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