Binder-free cobalt phosphate one-dimensional nanograsses as ultrahigh-performance cathode material for hybrid supercapacitor applications

K. Vijaya Sankar; S. C. Lee; Y. Seo; C. Ray; S. Liu; A. Kundu; S. C. Jun

doi:10.1016/j.jpowsour.2017.11.013

Binder-free cobalt phosphate one-dimensional nanograsses as ultrahigh-performance cathode material for hybrid supercapacitor applications

K. Vijaya Sankar, S. C. Lee, Y. Seo, C. Ray, S. Liu, A. Kundu, S. C. Jun

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

100 Citations (Scopus)

Abstract

One-dimensional (1D) nanostructure exhibits excellent electrochemical performance because of their unique physico-chemical properties like fast electron transfer, good rate capability, and cyclic stability. In the present study, Co₃(PO₄)₂ 1D nanograsses are grown on Ni foam using a simple and eco-friendly hydrothermal technique with different reaction times. The open space with uniform nanograsses displays a high areal capacitance, rate capability, energy density, and cyclic stability due to the nanostructure enhancing fast ion and material interactions. Ex-situ microscope images confirm the dependence of structural stability on the reaction time, and the nanograsses promoted ion interaction through material. Further, the reproducibility of the electrochemical performance confirms the binder-free Co₃(PO₄)₂ 1D nanograsses to be a suitable high-performance cathode material for application to hybrid supercapacitor. Finally, the assembled hybrid supercapacitor exhibits a high energy density (26.66 Wh kg⁻¹ at 750 W kg⁻¹) and longer lifetimes (80% retained capacitance after 6000 cycles). Our results suggests that the Co₃(PO₄)₂ 1D nanograss design have a great promise for application to hybrid supercapacitor.

Original language	English
Pages (from-to)	211-219
Number of pages	9
Journal	Journal of Power Sources
Volume	373
DOIs	https://doi.org/10.1016/j.jpowsour.2017.11.013
Publication status	Published - 2018 Jan 1

Bibliographical note

Funding Information:
This research was partially supported by Nano·Material Technology Development Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning ( NRF-2017M3A7B4041987 ), the Priority Research Centers Program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology , ( 2009-0093823 ) and the National Center for Optically Assisted Mechanical Systems, through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology (No. 2015R1A5A1037668 ).

Publisher Copyright:
© 2017 Elsevier B.V.

All Science Journal Classification (ASJC) codes

Renewable Energy, Sustainability and the Environment
Energy Engineering and Power Technology
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.jpowsour.2017.11.013

Cite this

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title = "Binder-free cobalt phosphate one-dimensional nanograsses as ultrahigh-performance cathode material for hybrid supercapacitor applications",

abstract = "One-dimensional (1D) nanostructure exhibits excellent electrochemical performance because of their unique physico-chemical properties like fast electron transfer, good rate capability, and cyclic stability. In the present study, Co3(PO4)2 1D nanograsses are grown on Ni foam using a simple and eco-friendly hydrothermal technique with different reaction times. The open space with uniform nanograsses displays a high areal capacitance, rate capability, energy density, and cyclic stability due to the nanostructure enhancing fast ion and material interactions. Ex-situ microscope images confirm the dependence of structural stability on the reaction time, and the nanograsses promoted ion interaction through material. Further, the reproducibility of the electrochemical performance confirms the binder-free Co3(PO4)2 1D nanograsses to be a suitable high-performance cathode material for application to hybrid supercapacitor. Finally, the assembled hybrid supercapacitor exhibits a high energy density (26.66 Wh kg−1 at 750 W kg−1) and longer lifetimes (80% retained capacitance after 6000 cycles). Our results suggests that the Co3(PO4)2 1D nanograss design have a great promise for application to hybrid supercapacitor.",

author = "Sankar, {K. Vijaya} and Lee, {S. C.} and Y. Seo and C. Ray and S. Liu and A. Kundu and Jun, {S. C.}",

note = "Funding Information: This research was partially supported by Nano·Material Technology Development Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning ( NRF-2017M3A7B4041987 ), the Priority Research Centers Program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology , ( 2009-0093823 ) and the National Center for Optically Assisted Mechanical Systems, through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology (No. 2015R1A5A1037668 ). Publisher Copyright: {\textcopyright} 2017 Elsevier B.V.",

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AU - Ray, C.

AU - Liu, S.

AU - Kundu, A.

AU - Jun, S. C.

N1 - Funding Information: This research was partially supported by Nano·Material Technology Development Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning ( NRF-2017M3A7B4041987 ), the Priority Research Centers Program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology , ( 2009-0093823 ) and the National Center for Optically Assisted Mechanical Systems, through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology (No. 2015R1A5A1037668 ). Publisher Copyright: © 2017 Elsevier B.V.

PY - 2018/1/1

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N2 - One-dimensional (1D) nanostructure exhibits excellent electrochemical performance because of their unique physico-chemical properties like fast electron transfer, good rate capability, and cyclic stability. In the present study, Co3(PO4)2 1D nanograsses are grown on Ni foam using a simple and eco-friendly hydrothermal technique with different reaction times. The open space with uniform nanograsses displays a high areal capacitance, rate capability, energy density, and cyclic stability due to the nanostructure enhancing fast ion and material interactions. Ex-situ microscope images confirm the dependence of structural stability on the reaction time, and the nanograsses promoted ion interaction through material. Further, the reproducibility of the electrochemical performance confirms the binder-free Co3(PO4)2 1D nanograsses to be a suitable high-performance cathode material for application to hybrid supercapacitor. Finally, the assembled hybrid supercapacitor exhibits a high energy density (26.66 Wh kg−1 at 750 W kg−1) and longer lifetimes (80% retained capacitance after 6000 cycles). Our results suggests that the Co3(PO4)2 1D nanograss design have a great promise for application to hybrid supercapacitor.

AB - One-dimensional (1D) nanostructure exhibits excellent electrochemical performance because of their unique physico-chemical properties like fast electron transfer, good rate capability, and cyclic stability. In the present study, Co3(PO4)2 1D nanograsses are grown on Ni foam using a simple and eco-friendly hydrothermal technique with different reaction times. The open space with uniform nanograsses displays a high areal capacitance, rate capability, energy density, and cyclic stability due to the nanostructure enhancing fast ion and material interactions. Ex-situ microscope images confirm the dependence of structural stability on the reaction time, and the nanograsses promoted ion interaction through material. Further, the reproducibility of the electrochemical performance confirms the binder-free Co3(PO4)2 1D nanograsses to be a suitable high-performance cathode material for application to hybrid supercapacitor. Finally, the assembled hybrid supercapacitor exhibits a high energy density (26.66 Wh kg−1 at 750 W kg−1) and longer lifetimes (80% retained capacitance after 6000 cycles). Our results suggests that the Co3(PO4)2 1D nanograss design have a great promise for application to hybrid supercapacitor.

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Binder-free cobalt phosphate one-dimensional nanograsses as ultrahigh-performance cathode material for hybrid supercapacitor applications

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

UN SDGs

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