A flexible high-performance oxygen evolution electrode with three-dimensional NiCo2O4 core-shell nanowires

Rong Chen; Hsin-Yi Wang; Jianwei Miao; Hongbin Yang; Bin Liu

doi:10.1016/j.nanoen.2014.11.021

A flexible high-performance oxygen evolution electrode with three-dimensional NiCo₂O₄ core-shell nanowires

Rong Chen, Hsin-Yi Wang, Jianwei Miao, Hongbin Yang, Bin Liu^*

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

294 Citations (Scopus)

Abstract

Three-dimensional NiCo₂O₄ core-shell nanowires made up of NiCo₂O₄ nanowire core and NiCo₂O₄ nanoflake shell have been fabricated by a simple two-step wet chemical method on flexible conductive carbon cloth substrate for oxygen evolution reaction (OER). The combination of high surface area, enhanced mass and charge transport as well as three-dimensional conducting pathway enables superior oxygen evolution reaction. Notably, the NiCo₂O₄ core-shell nanowire electrode exhibits large anodic current and low onset overpotential for OER with an overpotential of~320mV at a current density of 10mA/cm². Furthermore, the NiCo₂O₄ core-shell nanowire electrode possesses excellent electrocatalytic stability with long hour electrolysis showing no visible degradation, which is highly desirable for a promising OER electrocatalyst. © 2014 Elsevier Ltd.

Original language	English
Pages (from-to)	333-340
Journal	Nano Energy
Volume	11
DOIs	https://doi.org/10.1016/j.nanoen.2014.11.021
Publication status	Published - 1 Jan 2015
Externally published	Yes

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Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Research Keywords

Core-shell
Electrocatalysis
Nanowires
NiCo2O4
Oxygen evolution reaction

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Cite this

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title = "A flexible high-performance oxygen evolution electrode with three-dimensional NiCo2O4 core-shell nanowires",

abstract = "Three-dimensional NiCo2O4 core-shell nanowires made up of NiCo2O4 nanowire core and NiCo2O4 nanoflake shell have been fabricated by a simple two-step wet chemical method on flexible conductive carbon cloth substrate for oxygen evolution reaction (OER). The combination of high surface area, enhanced mass and charge transport as well as three-dimensional conducting pathway enables superior oxygen evolution reaction. Notably, the NiCo2O4 core-shell nanowire electrode exhibits large anodic current and low onset overpotential for OER with an overpotential of~320mV at a current density of 10mA/cm2. Furthermore, the NiCo2O4 core-shell nanowire electrode possesses excellent electrocatalytic stability with long hour electrolysis showing no visible degradation, which is highly desirable for a promising OER electrocatalyst. {\textcopyright} 2014 Elsevier Ltd.",

keywords = "Core-shell, Electrocatalysis, Nanowires, NiCo2O4, Oxygen evolution reaction",

author = "Rong Chen and Hsin-Yi Wang and Jianwei Miao and Hongbin Yang and Bin Liu",

note = "Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected]. ",

year = "2015",

month = jan,

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doi = "10.1016/j.nanoen.2014.11.021",

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T1 - A flexible high-performance oxygen evolution electrode with three-dimensional NiCo2O4 core-shell nanowires

AU - Chen, Rong

AU - Wang, Hsin-Yi

AU - Miao, Jianwei

AU - Yang, Hongbin

AU - Liu, Bin

N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

PY - 2015/1/1

Y1 - 2015/1/1

N2 - Three-dimensional NiCo2O4 core-shell nanowires made up of NiCo2O4 nanowire core and NiCo2O4 nanoflake shell have been fabricated by a simple two-step wet chemical method on flexible conductive carbon cloth substrate for oxygen evolution reaction (OER). The combination of high surface area, enhanced mass and charge transport as well as three-dimensional conducting pathway enables superior oxygen evolution reaction. Notably, the NiCo2O4 core-shell nanowire electrode exhibits large anodic current and low onset overpotential for OER with an overpotential of~320mV at a current density of 10mA/cm2. Furthermore, the NiCo2O4 core-shell nanowire electrode possesses excellent electrocatalytic stability with long hour electrolysis showing no visible degradation, which is highly desirable for a promising OER electrocatalyst. © 2014 Elsevier Ltd.

AB - Three-dimensional NiCo2O4 core-shell nanowires made up of NiCo2O4 nanowire core and NiCo2O4 nanoflake shell have been fabricated by a simple two-step wet chemical method on flexible conductive carbon cloth substrate for oxygen evolution reaction (OER). The combination of high surface area, enhanced mass and charge transport as well as three-dimensional conducting pathway enables superior oxygen evolution reaction. Notably, the NiCo2O4 core-shell nanowire electrode exhibits large anodic current and low onset overpotential for OER with an overpotential of~320mV at a current density of 10mA/cm2. Furthermore, the NiCo2O4 core-shell nanowire electrode possesses excellent electrocatalytic stability with long hour electrolysis showing no visible degradation, which is highly desirable for a promising OER electrocatalyst. © 2014 Elsevier Ltd.

KW - Core-shell

KW - Electrocatalysis

KW - Nanowires

KW - NiCo2O4

KW - Oxygen evolution reaction

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U2 - 10.1016/j.nanoen.2014.11.021

DO - 10.1016/j.nanoen.2014.11.021

M3 - RGC 21 - Publication in refereed journal

SN - 2211-2855

VL - 11

SP - 333

EP - 340

JO - Nano Energy

JF - Nano Energy

ER -