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Enhanced Structural Stability of Nickel–Cobalt Hydroxide via Intrinsic Pillar Effect of Metaborate for High-Power and Long-Life Supercapacitor Electrodes
Abstract
Layered α-Ni(OH) 2 and its derivative bimetallic hydroxides (e.g., α-(Ni/Co)(OH) 2 ) have attracted much attention due to their high specific capacitance, although their insufficient cycling stability has blocked their wide application in various technologies. In this work, we demonstrate that the cycling performance of α-(Ni/Co)(OH) 2 can be obviously enhanced via the intrinsic pillar effect of metaborate. Combining the high porosity feature of the metaborate stabilized α-(Ni/Co)(OH) 2 and the improved electronic conductivity offered by graphene substrate, the average capacitance fading rate of the metaborate stabilized α-(Ni/Co)(OH) 2 is only ∼0.0017% per cycle within 10 000 cycles at the current density of 5 A g –1 . The rate performance is excellent over a wide temperature range from −20 to 40 °C. We believe that the enhancements should mainly be ascribed to the excellent structural stability offered by the metaborate pillars, and the detailed mechanism is discussed.
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Cites
Ni(OH) 2 Nanoplates Grown on Graphene as Advanced Electrochemical Pseudocapacitor Materials
Wang, H., Casalongue, H. S., Liang, Y., & Dai, H. (2010) · Journal of the American Chemical Society · doi:10.1021/ja102267j · Cited by 2,042
Cited by
2D Layered Double Hydroxides for Oxygen Evolution Reaction: From Fundamental Design to Application
Lv, L., Yang, Z., Chen, K., Wang, C., & Xiong, Y. (2019) · Advanced Energy Materials · doi:10.1002/aenm.201803358 · Cited by 730
Transition metal based battery-type electrodes in hybrid supercapacitors: A review
Liu, H., Liu, X., Wang, S., Liu, H.-K., & Li, L. (2020) · Energy Storage Materials · doi:10.1016/j.ensm.2020.03.003 · Cited by 710
Recent progress in metal-organic framework-based supercapacitor electrode materials
Xu, B., Zhang, H., Mei, H., & Sun, D. (2020) · Coordination Chemistry Reviews · doi:10.1016/j.ccr.2020.213438 · Cited by 485
Graphene hybridization for energy storage applications
Li, X., & Zhi, L. (2018) · Chemical Society Reviews · doi:10.1039/c7cs00871f · Cited by 377
Zhu, F., Liu, W., Liu, Y., & Shi, W. (2020) · Chemical Engineering Journal · doi:10.1016/j.cej.2019.123150 · Cited by 369
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Metadata
- Authors
- Chen, Y., Pang, W. K., Bai, H., Zhou, T., Liu, Y., Li, S., & Guo, Z.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-12-27
- Volume
- 17
- Issue
- 1
- Pages
- 429-436
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2560031443
- Cited by
- 275
- References
- 1
- FWCI
- 11.34
- Type
- journal article
- Language
- en
- Open access
- closed
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- Chen, Y., Pang, W. K., Bai, H., Zhou, T., Liu, Y., Li, S., & Guo, Z. (2017). Enhanced Structural Stability of Nickel–Cobalt Hydroxide via Intrinsic Pillar Effect of Metaborate for High-Power and Long-Life Supercapacitor Electrodes. Nano Letters. https://doi.org/10.1021/acs.nanolett.6b04427
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