Synthesis of Mo2C and W2C Nanoparticle Electrocatalysts for the Efficient Hydrogen Evolution Reaction in Alkali and Acid Electrolytes
The synthesis of low cost, high efficacy, and durable hydrogen evolution electrocatalysts from the non-noble metal group is a major challenge. Herein, we establish a simple and inexpensive chemical reduction method for producing molybdenum carbide (Mo2C) and tungsten carbide (W2C) nanoparticles that...
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2019-10-01
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| Series: | Frontiers in Chemistry |
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| Online Access: | https://www.frontiersin.org/article/10.3389/fchem.2019.00716/full |
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| author | Sajjad Hussain Sajjad Hussain Dhanasekaran Vikraman Asad Feroze Asad Feroze Wooseok Song Ki-Seok An Hyun-Seok Kim Seung-Hyun Chun Seung-Hyun Chun Jongwan Jung Jongwan Jung |
| author_facet | Sajjad Hussain Sajjad Hussain Dhanasekaran Vikraman Asad Feroze Asad Feroze Wooseok Song Ki-Seok An Hyun-Seok Kim Seung-Hyun Chun Seung-Hyun Chun Jongwan Jung Jongwan Jung |
| author_sort | Sajjad Hussain |
| collection | DOAJ |
| description | The synthesis of low cost, high efficacy, and durable hydrogen evolution electrocatalysts from the non-noble metal group is a major challenge. Herein, we establish a simple and inexpensive chemical reduction method for producing molybdenum carbide (Mo2C) and tungsten carbide (W2C) nanoparticles that are efficient electrocatalysts in alkali and acid electrolytes for hydrogen evolution reactions (HER). Mo2C exhibits outstanding electrocatalytic behavior with an overpotential of −134 mV in acid medium and of −116 mV in alkaline medium, while W2C nanoparticles require an overpotential of −173 mV in acidic medium and −130 mV in alkaline medium to attain a current density of 10 mA cm−2. The observed results prove the capability of high- and low-pH active electrocatalysts of Mo2C and W2C nanoparticles to be efficient systems for hydrogen production through HER water electrolysis. |
| first_indexed | 2024-12-18T23:29:46Z |
| format | Article |
| id | doaj.art-72358a829ae2444899cef0bcf7247289 |
| institution | Directory Open Access Journal |
| issn | 2296-2646 |
| language | English |
| last_indexed | 2024-12-18T23:29:46Z |
| publishDate | 2019-10-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Chemistry |
| spelling | doaj.art-72358a829ae2444899cef0bcf72472892022-12-21T20:47:43ZengFrontiers Media S.A.Frontiers in Chemistry2296-26462019-10-01710.3389/fchem.2019.00716491441Synthesis of Mo2C and W2C Nanoparticle Electrocatalysts for the Efficient Hydrogen Evolution Reaction in Alkali and Acid ElectrolytesSajjad Hussain0Sajjad Hussain1Dhanasekaran Vikraman2Asad Feroze3Asad Feroze4Wooseok Song5Ki-Seok An6Hyun-Seok Kim7Seung-Hyun Chun8Seung-Hyun Chun9Jongwan Jung10Jongwan Jung11Graphene Research Institute, Sejong University, Seoul, South KoreaDepartment of Nano and Advanced Materials Engineering, Sejong University, Seoul, South KoreaDivision of Electronics and Electrical Engineering, Dongguk University-Seoul, Seoul, South KoreaGraphene Research Institute, Sejong University, Seoul, South KoreaDepartment of Physics, Sejong University, Seoul, South KoreaThin Film Materials Research Center, Korea Research Institute of Chemical Technology, Daejeon, South KoreaThin Film Materials Research Center, Korea Research Institute of Chemical Technology, Daejeon, South KoreaDivision of Electronics and Electrical Engineering, Dongguk University-Seoul, Seoul, South KoreaGraphene Research Institute, Sejong University, Seoul, South KoreaDepartment of Physics, Sejong University, Seoul, South KoreaGraphene Research Institute, Sejong University, Seoul, South KoreaDepartment of Nano and Advanced Materials Engineering, Sejong University, Seoul, South KoreaThe synthesis of low cost, high efficacy, and durable hydrogen evolution electrocatalysts from the non-noble metal group is a major challenge. Herein, we establish a simple and inexpensive chemical reduction method for producing molybdenum carbide (Mo2C) and tungsten carbide (W2C) nanoparticles that are efficient electrocatalysts in alkali and acid electrolytes for hydrogen evolution reactions (HER). Mo2C exhibits outstanding electrocatalytic behavior with an overpotential of −134 mV in acid medium and of −116 mV in alkaline medium, while W2C nanoparticles require an overpotential of −173 mV in acidic medium and −130 mV in alkaline medium to attain a current density of 10 mA cm−2. The observed results prove the capability of high- and low-pH active electrocatalysts of Mo2C and W2C nanoparticles to be efficient systems for hydrogen production through HER water electrolysis.https://www.frontiersin.org/article/10.3389/fchem.2019.00716/fullMo2CW2CnanoparticleHERelectrocatalyst |
| spellingShingle | Sajjad Hussain Sajjad Hussain Dhanasekaran Vikraman Asad Feroze Asad Feroze Wooseok Song Ki-Seok An Hyun-Seok Kim Seung-Hyun Chun Seung-Hyun Chun Jongwan Jung Jongwan Jung Synthesis of Mo2C and W2C Nanoparticle Electrocatalysts for the Efficient Hydrogen Evolution Reaction in Alkali and Acid Electrolytes Frontiers in Chemistry Mo2C W2C nanoparticle HER electrocatalyst |
| title | Synthesis of Mo2C and W2C Nanoparticle Electrocatalysts for the Efficient Hydrogen Evolution Reaction in Alkali and Acid Electrolytes |
| title_full | Synthesis of Mo2C and W2C Nanoparticle Electrocatalysts for the Efficient Hydrogen Evolution Reaction in Alkali and Acid Electrolytes |
| title_fullStr | Synthesis of Mo2C and W2C Nanoparticle Electrocatalysts for the Efficient Hydrogen Evolution Reaction in Alkali and Acid Electrolytes |
| title_full_unstemmed | Synthesis of Mo2C and W2C Nanoparticle Electrocatalysts for the Efficient Hydrogen Evolution Reaction in Alkali and Acid Electrolytes |
| title_short | Synthesis of Mo2C and W2C Nanoparticle Electrocatalysts for the Efficient Hydrogen Evolution Reaction in Alkali and Acid Electrolytes |
| title_sort | synthesis of mo2c and w2c nanoparticle electrocatalysts for the efficient hydrogen evolution reaction in alkali and acid electrolytes |
| topic | Mo2C W2C nanoparticle HER electrocatalyst |
| url | https://www.frontiersin.org/article/10.3389/fchem.2019.00716/full |
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