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An innovative catalyst of nickel-palladium alloy nanocrystals embedded nitrogen-doped graphene for efficient oxygen reduction reaction
A novel hybrid based on non-precious metal catalysts embedded into nitrogen doped graphene nanosheets was developed for oxygen reduction reaction (ORR) by pyrolyzing a mixture of Ni, Pd salts, nitrogen source, and graphene oxide. Scanning electron microscopy, transmission electron microscopy, Raman...
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| Published in: | Journal of alloys and compounds 2019-08, Vol.797, p.314-324 |
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| Main Authors: | , , , , |
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| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c440t-3033602a70d1a8ff03eae56113e0a33f8bf34609284a503c3f4097ef7d7c7ecc3 |
| container_end_page | 324 |
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| container_start_page | 314 |
| container_title | Journal of alloys and compounds |
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| creator | Thi, M.L.N. Tran, T.H. Anh, P.D. Hai Nhac-Vu, H.-T. Bui, Q.B. |
| description | A novel hybrid based on non-precious metal catalysts embedded into nitrogen doped graphene nanosheets was developed for oxygen reduction reaction (ORR) by pyrolyzing a mixture of Ni, Pd salts, nitrogen source, and graphene oxide. Scanning electron microscopy, transmission electron microscopy, Raman spectra, and X-ray photoelectron spectroscopy analyses indicated the binary NiPd nanoparticles good dispersed on nitrogen-doped graphene sheet (NiPd NPs/N-GR) under a unique core-shell nanostructure with high interaction, thereby creating massive catalytic sites and boosting the activity towards ORR in alkaline medium. The electrochemical measurements showed the onset and half-wave potential of the NiPd NPs/N-GR were +0.961 and + 0.82 V, respectively, indicating a comparable catalytic behavior to a commercial Pt/C product (20 wt%). In addition, such catalyst also exhibited superior stability and methanol tolerance ability to Pt/C. The achieved superiorities of the NiPd NPs/N-GR imply that this material is potential to replace Pt-based catalysts in for ORR applications.
[Display omitted]
•Hybrid of NiPd NPs encapsulated nitrogen-doped graphene is facilely prepared.•Hybrid offers high catalytic activity towards ORR in alkaline medium.•The synergistic effect of between individual components improves ORR performance.•Hybrid has relative activity but better stability and methanol tolerance than Pt/C. |
| doi_str_mv | 10.1016/j.jallcom.2019.05.119 |
| format | article |
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[Display omitted]
•Hybrid of NiPd NPs encapsulated nitrogen-doped graphene is facilely prepared.•Hybrid offers high catalytic activity towards ORR in alkaline medium.•The synergistic effect of between individual components improves ORR performance.•Hybrid has relative activity but better stability and methanol tolerance than Pt/C.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2019.05.119</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Catalysis ; Catalysts ; Core-shell structure ; Electrocatalysts ; Encapsulation ; Graphene ; Microscopy ; Nanocrystals ; Nanoparticles ; Nickel ; Nickel-palladium alloy ; Nitrogen ; Nitrogen-doped graphene ; Oxygen reduction reaction ; Oxygen reduction reactions ; Palladium ; Palladium base alloys ; Photoelectrons ; Platinum ; Raman spectra ; Scanning electron microscopy ; Spectrum analysis ; Transmission electron microscopy</subject><ispartof>Journal of alloys and compounds, 2019-08, Vol.797, p.314-324</ispartof><rights>2019 Elsevier B.V.</rights><rights>Copyright Elsevier BV Aug 15, 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c440t-3033602a70d1a8ff03eae56113e0a33f8bf34609284a503c3f4097ef7d7c7ecc3</citedby><cites>FETCH-LOGICAL-c440t-3033602a70d1a8ff03eae56113e0a33f8bf34609284a503c3f4097ef7d7c7ecc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,786,790,27957,27958</link.rule.ids></links><search><creatorcontrib>Thi, M.L.N.</creatorcontrib><creatorcontrib>Tran, T.H.</creatorcontrib><creatorcontrib>Anh, P.D. Hai</creatorcontrib><creatorcontrib>Nhac-Vu, H.-T.</creatorcontrib><creatorcontrib>Bui, Q.B.</creatorcontrib><title>An innovative catalyst of nickel-palladium alloy nanocrystals embedded nitrogen-doped graphene for efficient oxygen reduction reaction</title><title>Journal of alloys and compounds</title><description>A novel hybrid based on non-precious metal catalysts embedded into nitrogen doped graphene nanosheets was developed for oxygen reduction reaction (ORR) by pyrolyzing a mixture of Ni, Pd salts, nitrogen source, and graphene oxide. Scanning electron microscopy, transmission electron microscopy, Raman spectra, and X-ray photoelectron spectroscopy analyses indicated the binary NiPd nanoparticles good dispersed on nitrogen-doped graphene sheet (NiPd NPs/N-GR) under a unique core-shell nanostructure with high interaction, thereby creating massive catalytic sites and boosting the activity towards ORR in alkaline medium. The electrochemical measurements showed the onset and half-wave potential of the NiPd NPs/N-GR were +0.961 and + 0.82 V, respectively, indicating a comparable catalytic behavior to a commercial Pt/C product (20 wt%). In addition, such catalyst also exhibited superior stability and methanol tolerance ability to Pt/C. The achieved superiorities of the NiPd NPs/N-GR imply that this material is potential to replace Pt-based catalysts in for ORR applications.
[Display omitted]
•Hybrid of NiPd NPs encapsulated nitrogen-doped graphene is facilely prepared.•Hybrid offers high catalytic activity towards ORR in alkaline medium.•The synergistic effect of between individual components improves ORR performance.•Hybrid has relative activity but better stability and methanol tolerance than Pt/C.</description><subject>Catalysis</subject><subject>Catalysts</subject><subject>Core-shell structure</subject><subject>Electrocatalysts</subject><subject>Encapsulation</subject><subject>Graphene</subject><subject>Microscopy</subject><subject>Nanocrystals</subject><subject>Nanoparticles</subject><subject>Nickel</subject><subject>Nickel-palladium alloy</subject><subject>Nitrogen</subject><subject>Nitrogen-doped graphene</subject><subject>Oxygen reduction reaction</subject><subject>Oxygen reduction reactions</subject><subject>Palladium</subject><subject>Palladium base alloys</subject><subject>Photoelectrons</subject><subject>Platinum</subject><subject>Raman spectra</subject><subject>Scanning electron microscopy</subject><subject>Spectrum analysis</subject><subject>Transmission electron microscopy</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqFkFtLxDAQhYMouF5-ghDwuXXS9JI-iYg3WPBFn0M2mWhqN6lpu7h_wN9t1vXdpzkD35zhHEIuGOQMWH3V5Z3qex3WeQGszaHKGWsPyIKJhmdlXbeHZAFtUWWCC3FMTsaxA0gkZwvyfeOp8z5s1OQ2SLWaVL8dJxos9U5_YJ8NyVsZN69pEmFLvfJBx8SofqS4XqExaBI8xfCGPjNhSOtbVMM7eqQ2RIrWOu3QJ9evbWJoRDPryYWdUr_ijBzZ5Ifnf_OUvN7fvdw-Zsvnh6fbm2WmyxKmjAPnNRSqAcOUsBY4KqxqxjiC4tyKleVlnbKKUlXANbcltA3axjS6Qa35Kbnc-w4xfM44TrILc_TppSyKSjRFXQieqGpP6RjGMaKVQ3RrFbeSgdxVLjv5V7ncVS6hkqnydHe9v8MUYeMwynGXW6NxEfUkTXD_OPwApDSQQA</recordid><startdate>20190815</startdate><enddate>20190815</enddate><creator>Thi, M.L.N.</creator><creator>Tran, T.H.</creator><creator>Anh, P.D. 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Hai ; Nhac-Vu, H.-T. ; Bui, Q.B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c440t-3033602a70d1a8ff03eae56113e0a33f8bf34609284a503c3f4097ef7d7c7ecc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Catalysis</topic><topic>Catalysts</topic><topic>Core-shell structure</topic><topic>Electrocatalysts</topic><topic>Encapsulation</topic><topic>Graphene</topic><topic>Microscopy</topic><topic>Nanocrystals</topic><topic>Nanoparticles</topic><topic>Nickel</topic><topic>Nickel-palladium alloy</topic><topic>Nitrogen</topic><topic>Nitrogen-doped graphene</topic><topic>Oxygen reduction reaction</topic><topic>Oxygen reduction reactions</topic><topic>Palladium</topic><topic>Palladium base alloys</topic><topic>Photoelectrons</topic><topic>Platinum</topic><topic>Raman spectra</topic><topic>Scanning electron microscopy</topic><topic>Spectrum analysis</topic><topic>Transmission electron microscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Thi, M.L.N.</creatorcontrib><creatorcontrib>Tran, T.H.</creatorcontrib><creatorcontrib>Anh, P.D. Hai</creatorcontrib><creatorcontrib>Nhac-Vu, H.-T.</creatorcontrib><creatorcontrib>Bui, Q.B.</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Thi, M.L.N.</au><au>Tran, T.H.</au><au>Anh, P.D. Hai</au><au>Nhac-Vu, H.-T.</au><au>Bui, Q.B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An innovative catalyst of nickel-palladium alloy nanocrystals embedded nitrogen-doped graphene for efficient oxygen reduction reaction</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2019-08-15</date><risdate>2019</risdate><volume>797</volume><spage>314</spage><epage>324</epage><pages>314-324</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>A novel hybrid based on non-precious metal catalysts embedded into nitrogen doped graphene nanosheets was developed for oxygen reduction reaction (ORR) by pyrolyzing a mixture of Ni, Pd salts, nitrogen source, and graphene oxide. Scanning electron microscopy, transmission electron microscopy, Raman spectra, and X-ray photoelectron spectroscopy analyses indicated the binary NiPd nanoparticles good dispersed on nitrogen-doped graphene sheet (NiPd NPs/N-GR) under a unique core-shell nanostructure with high interaction, thereby creating massive catalytic sites and boosting the activity towards ORR in alkaline medium. The electrochemical measurements showed the onset and half-wave potential of the NiPd NPs/N-GR were +0.961 and + 0.82 V, respectively, indicating a comparable catalytic behavior to a commercial Pt/C product (20 wt%). In addition, such catalyst also exhibited superior stability and methanol tolerance ability to Pt/C. The achieved superiorities of the NiPd NPs/N-GR imply that this material is potential to replace Pt-based catalysts in for ORR applications.
[Display omitted]
•Hybrid of NiPd NPs encapsulated nitrogen-doped graphene is facilely prepared.•Hybrid offers high catalytic activity towards ORR in alkaline medium.•The synergistic effect of between individual components improves ORR performance.•Hybrid has relative activity but better stability and methanol tolerance than Pt/C.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2019.05.119</doi><tpages>11</tpages></addata></record> |
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| ispartof | Journal of alloys and compounds, 2019-08, Vol.797, p.314-324 |
| issn | 0925-8388 1873-4669 |
| language | eng |
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| source | ScienceDirect Journals |
| subjects | Catalysis Catalysts Core-shell structure Electrocatalysts Encapsulation Graphene Microscopy Nanocrystals Nanoparticles Nickel Nickel-palladium alloy Nitrogen Nitrogen-doped graphene Oxygen reduction reaction Oxygen reduction reactions Palladium Palladium base alloys Photoelectrons Platinum Raman spectra Scanning electron microscopy Spectrum analysis Transmission electron microscopy |
| title | An innovative catalyst of nickel-palladium alloy nanocrystals embedded nitrogen-doped graphene for efficient oxygen reduction reaction |
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