Transition-metal-based layered double hydroxides tailored for energy conversion and storage

Rajkumar Patel, Jung Tae Park, Madhumita Patel, Jatis Kumar Dash, E. Bhoje Gowd, Rajshekhar Karpoormath, Amaresh Mishra, Jeonghun Kwak, Jong Hak Kim

Research output: Contribution to journalReview article

49 Citations (Scopus)

Abstract

Currently, energy storage devices draw considerable attention owing to the growing need for clean energy. The depletion of fossil fuels and the generation of greenhouse gases have led to the development of alternative, environmentally friendly energy storage devices. Supercapacitors with high power densities are excellent devices for energy storage. Although carbon-based materials are widely used in such devices, their non-faradic behavior in electrical double layer capacitors (EDLCs) limits the maximum power density that can be generated. In contrast, the faradaic mechanism of transition metal hydroxides results in better capacitance rates along with good stability during cycling. This review is confined to nickel cobalt layered double hydroxides (NiCo LDHs) classified based on the fabrication of electrodes for application in supercapacitors. We discuss the growth of the active LDH material in situ or ex situ on the current collector and how the synthesis can affect the crystal structure as well as the electrochemical performance of the electrode.

Original languageEnglish
Pages (from-to)12-29
Number of pages18
JournalJournal of Materials Chemistry A
Volume6
Issue number1
DOIs
Publication statusPublished - 2017 Jan 1

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Hydroxides
Energy conversion
Energy storage
Transition metals
Electrodes
Cobalt
Nickel
Fossil fuels
Greenhouse gases
Capacitors
Capacitance
Carbon
Crystal structure
Fabrication
Supercapacitor

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

Cite this

Patel, Rajkumar ; Park, Jung Tae ; Patel, Madhumita ; Dash, Jatis Kumar ; Gowd, E. Bhoje ; Karpoormath, Rajshekhar ; Mishra, Amaresh ; Kwak, Jeonghun ; Kim, Jong Hak. / Transition-metal-based layered double hydroxides tailored for energy conversion and storage. In: Journal of Materials Chemistry A. 2017 ; Vol. 6, No. 1. pp. 12-29.
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Patel, R, Park, JT, Patel, M, Dash, JK, Gowd, EB, Karpoormath, R, Mishra, A, Kwak, J & Kim, JH 2017, 'Transition-metal-based layered double hydroxides tailored for energy conversion and storage', Journal of Materials Chemistry A, vol. 6, no. 1, pp. 12-29. https://doi.org/10.1039/c7ta09370e

Transition-metal-based layered double hydroxides tailored for energy conversion and storage. / Patel, Rajkumar; Park, Jung Tae; Patel, Madhumita; Dash, Jatis Kumar; Gowd, E. Bhoje; Karpoormath, Rajshekhar; Mishra, Amaresh; Kwak, Jeonghun; Kim, Jong Hak.

In: Journal of Materials Chemistry A, Vol. 6, No. 1, 01.01.2017, p. 12-29.

Research output: Contribution to journalReview article

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T1 - Transition-metal-based layered double hydroxides tailored for energy conversion and storage

AU - Patel, Rajkumar

AU - Park, Jung Tae

AU - Patel, Madhumita

AU - Dash, Jatis Kumar

AU - Gowd, E. Bhoje

AU - Karpoormath, Rajshekhar

AU - Mishra, Amaresh

AU - Kwak, Jeonghun

AU - Kim, Jong Hak

PY - 2017/1/1

Y1 - 2017/1/1

N2 - Currently, energy storage devices draw considerable attention owing to the growing need for clean energy. The depletion of fossil fuels and the generation of greenhouse gases have led to the development of alternative, environmentally friendly energy storage devices. Supercapacitors with high power densities are excellent devices for energy storage. Although carbon-based materials are widely used in such devices, their non-faradic behavior in electrical double layer capacitors (EDLCs) limits the maximum power density that can be generated. In contrast, the faradaic mechanism of transition metal hydroxides results in better capacitance rates along with good stability during cycling. This review is confined to nickel cobalt layered double hydroxides (NiCo LDHs) classified based on the fabrication of electrodes for application in supercapacitors. We discuss the growth of the active LDH material in situ or ex situ on the current collector and how the synthesis can affect the crystal structure as well as the electrochemical performance of the electrode.

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