High-Valence-State NiO/Co3O4 Nanoparticles on Nitrogen-Doped Carbon for Oxygen Evolution at Low Overpotential

Muhammad Tahir; Lun Pan; Rongrong Zhang; Yi-cheng Wang; Guoqiang Shen; Imran Aslam; M. A. Qadeer; Nasir Mahmood; Wei Xu; Li Wang; Xiangwen Zhang; Ji-jun Zou

doi:10.1021/acsenergylett.7b00691

High-Valence-State NiO/Co3O4 Nanoparticles on Nitrogen-Doped Carbon for Oxygen Evolution at Low Overpotential

Muhammad Tahir
, Lun Pan
, Rongrong Zhang
, Yi-cheng Wang
, Guoqiang Shen
, Imran Aslam
, M. A. Qadeer
, Nasir Mahmood
, Wei Xu
, Li Wang
, Xiangwen Zhang
, Ji-jun Zou

Food Science and Human Nutrition

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

Abstract

The electrocatalytic oxygen evolution reaction (OER) plays a critical role in sustainable energy conversion and storage, but OER is severely hampered owing to the lack of highly efficient catalysts. Here, we report an efficient electrocatalyst, with NiO/Co3O4 nanoparticles decorated on nitrogen-doped carbon (NiO/Co3O4@NC). Abundant high-valence Ni3+ and Co3+ species were observed on the surface of the hybrid due to the strong NC–metal oxide and NiO–Co3O4 interactions. This unique structure leads to excellent OER performance, delivering a very low overpotential of 240 mV@10 mA·cm–2 on glassy carbon and 200 mV@10 mA·cm–2 on Ni foam in KOH and having a turnover frequency (@350 mV overpotential) 6 and 16 times higher than that of IrO2 and RuO2, respectively.

Original language	English (US)
Pages (from-to)	2177-2182
Number of pages	6
Journal	ACS Energy Letters
Volume	2
Issue number	9
DOIs	https://doi.org/10.1021/acsenergylett.7b00691
State	Published - Sep 8 2017

ASJC Scopus subject areas

Chemistry (miscellaneous)
Renewable Energy, Sustainability and the Environment
Fuel Technology
Energy Engineering and Power Technology
Materials Chemistry

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10.1021/acsenergylett.7b00691

http://pubs.acs.org/doi/10.1021/acsenergylett.7b00691

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title = "High-Valence-State NiO/Co3O4 Nanoparticles on Nitrogen-Doped Carbon for Oxygen Evolution at Low Overpotential",

abstract = "The electrocatalytic oxygen evolution reaction (OER) plays a critical role in sustainable energy conversion and storage, but OER is severely hampered owing to the lack of highly efficient catalysts. Here, we report an efficient electrocatalyst, with NiO/Co3O4 nanoparticles decorated on nitrogen-doped carbon (NiO/Co3O4@NC). Abundant high-valence Ni3+ and Co3+ species were observed on the surface of the hybrid due to the strong NC–metal oxide and NiO–Co3O4 interactions. This unique structure leads to excellent OER performance, delivering a very low overpotential of 240 mV@10 mA·cm–2 on glassy carbon and 200 mV@10 mA·cm–2 on Ni foam in KOH and having a turnover frequency (@350 mV overpotential) 6 and 16 times higher than that of IrO2 and RuO2, respectively.",

author = "Muhammad Tahir and Lun Pan and Rongrong Zhang and Yi-cheng Wang and Guoqiang Shen and Imran Aslam and Qadeer, \{M. A.\} and Nasir Mahmood and Wei Xu and Li Wang and Xiangwen Zhang and Ji-jun Zou",

note = "Funding Information: The authors appreciate the support from the National Science Foundation of China (51661145026, 21676193, 21506156), Tianjin Municipal Natural Science Foundation (15JCZDJC37300), and Pakistan Science Foundation PSF/ NSFC-Eng/P-UOL(02) . Authors also appreciate the help with XAS characterization from Beijing Synchrotron Radiation, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China. Publisher Copyright: {\textcopyright} 2017 American Chemical Society. Copyright: Copyright 2018 Elsevier B.V., All rights reserved.",

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doi = "10.1021/acsenergylett.7b00691",

language = "English (US)",

volume = "2",

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journal = "ACS Energy Letters",

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T1 - High-Valence-State NiO/Co3O4 Nanoparticles on Nitrogen-Doped Carbon for Oxygen Evolution at Low Overpotential

AU - Tahir, Muhammad

AU - Pan, Lun

AU - Zhang, Rongrong

AU - Wang, Yi-cheng

AU - Shen, Guoqiang

AU - Aslam, Imran

AU - Qadeer, M. A.

AU - Mahmood, Nasir

AU - Xu, Wei

AU - Wang, Li

AU - Zhang, Xiangwen

AU - Zou, Ji-jun

N1 - Funding Information: The authors appreciate the support from the National Science Foundation of China (51661145026, 21676193, 21506156), Tianjin Municipal Natural Science Foundation (15JCZDJC37300), and Pakistan Science Foundation PSF/ NSFC-Eng/P-UOL(02) . Authors also appreciate the help with XAS characterization from Beijing Synchrotron Radiation, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China. Publisher Copyright: © 2017 American Chemical Society. Copyright: Copyright 2018 Elsevier B.V., All rights reserved.

PY - 2017/9/8

Y1 - 2017/9/8

N2 - The electrocatalytic oxygen evolution reaction (OER) plays a critical role in sustainable energy conversion and storage, but OER is severely hampered owing to the lack of highly efficient catalysts. Here, we report an efficient electrocatalyst, with NiO/Co3O4 nanoparticles decorated on nitrogen-doped carbon (NiO/Co3O4@NC). Abundant high-valence Ni3+ and Co3+ species were observed on the surface of the hybrid due to the strong NC–metal oxide and NiO–Co3O4 interactions. This unique structure leads to excellent OER performance, delivering a very low overpotential of 240 mV@10 mA·cm–2 on glassy carbon and 200 mV@10 mA·cm–2 on Ni foam in KOH and having a turnover frequency (@350 mV overpotential) 6 and 16 times higher than that of IrO2 and RuO2, respectively.

AB - The electrocatalytic oxygen evolution reaction (OER) plays a critical role in sustainable energy conversion and storage, but OER is severely hampered owing to the lack of highly efficient catalysts. Here, we report an efficient electrocatalyst, with NiO/Co3O4 nanoparticles decorated on nitrogen-doped carbon (NiO/Co3O4@NC). Abundant high-valence Ni3+ and Co3+ species were observed on the surface of the hybrid due to the strong NC–metal oxide and NiO–Co3O4 interactions. This unique structure leads to excellent OER performance, delivering a very low overpotential of 240 mV@10 mA·cm–2 on glassy carbon and 200 mV@10 mA·cm–2 on Ni foam in KOH and having a turnover frequency (@350 mV overpotential) 6 and 16 times higher than that of IrO2 and RuO2, respectively.

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U2 - 10.1021/acsenergylett.7b00691

DO - 10.1021/acsenergylett.7b00691

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JF - ACS Energy Letters

IS - 9

ER -

High-Valence-State NiO/Co3O4 Nanoparticles on Nitrogen-Doped Carbon for Oxygen Evolution at Low Overpotential

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