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

Abstract

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 materialsmore » for other energy storage applications.« less

Authors:
ORCiD logo [1];  [1];  [2];  [1];  [3];  [1];  [1];  [1];  [4];  [1];  [1];  [3]; ORCiD logo [1]
  1. Georgia Inst. of Technology, Atlanta, GA (United States)
  2. Georgia Inst. of Technology, Atlanta, GA (United States); Xiamen Univ., Fujian (China)
  3. Xiamen Univ., Fujian (China)
  4. Georgia Inst. of Technology, Atlanta, GA (United States); South China Univ. of Technology, Guangzhou (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 Office of Science (SC)
OSTI Identifier:
1543465
Alternate Identifier(s):
OSTI ID: 1413796
Grant/Contract Number:  
AC02-05CH11231; DE‐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:
25 ENERGY STORAGE; 36 MATERIALS SCIENCE; cation substitution; graphene; hydroxides; nanostructures; supercapacitors

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. https://doi.org/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. https://doi.org/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 = {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.},
doi = {10.1002/aenm.201702247},
journal = {Advanced Energy Materials},
number = 9,
volume = 8,
place = {United States},
year = {Mon Dec 18 00:00:00 EST 2017},
month = {Mon Dec 18 00:00:00 EST 2017}
}

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Cited by: 203 works
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Figures / Tables:

Figure 1 Figure 1: a) Schematic of nickel hydroxide layered structure with interlayer species (ions and solvent molecules); (b, c) two possible mechanisms to store charge: (b) the breaking/forming of O-H bond and (c) insertion/extraction of electrolyte cations; Green ball is Ni, wine red ball is O, and light pink ball ismore » H; (d) the calculated deprotonation energy per chemical formula (M(OH)2) for the deprotonation process at 298.15 K on Ni hydroxide-based structure slabs; Ni-Co-Mn-H1 represents deprotonation of H1 site on a Ni-Co-Mn hydroxide structure slab (see detailed structures in Figure S1).« less

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