A high-performance three-dimensional Ni–Fe layered double hydroxide/graphene electrode for water oxidation
Water oxidation to evolve oxygen is the key step in water splitting and is related to a variety of energy systems. Here, we report a facile electrodeposition process to immobilize nickel-iron layered double hydroxide (Ni-Fe LDH) nanoplates on three-dimensional electrochemically reduced graphene oxid...
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| Veröffentlicht in: | Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2015-01, Vol.3 (13), p.6921-6928 |
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| container_end_page | 6928 |
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| container_issue | 13 |
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| container_title | Journal of materials chemistry. A, Materials for energy and sustainability |
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| creator | Yu, Xiaowen Zhang, Miao Yuan, Wenjing Shi, Gaoquan |
| description | Water oxidation to evolve oxygen is the key step in water splitting and is related to a variety of energy systems. Here, we report a facile electrodeposition process to immobilize nickel-iron layered double hydroxide (Ni-Fe LDH) nanoplates on three-dimensional electrochemically reduced graphene oxide (3D-ErGO) for water oxidation. This Ni-Fe LDH/3D-ErGO electrode has a three-dimensional interpenetrating network with Ni-Fe nanoplates uniformly decorated on graphene sheets. It has an electrochemically active surface area (EASA) 3.3 times that of conventional planar electrodes. The open porous structure of this electrode also makes its EASA fully accessible to the electrolyte for water oxidation and easy release of oxygen gas. This electrode can be directly used for catalysing the oxygen evolution reaction (OER) in alkaline media without using a binder and conductive additive, exhibiting a small overpotential of 0.259 V and a low Tafel slope of 39 mV dec super(-1). It outperforms the precious IrO sub(2) catalyst in activity, kinetics, and electrochemical stability. |
| doi_str_mv | 10.1039/c5ta01034a |
| format | Article |
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Here, we report a facile electrodeposition process to immobilize nickel-iron layered double hydroxide (Ni-Fe LDH) nanoplates on three-dimensional electrochemically reduced graphene oxide (3D-ErGO) for water oxidation. This Ni-Fe LDH/3D-ErGO electrode has a three-dimensional interpenetrating network with Ni-Fe nanoplates uniformly decorated on graphene sheets. It has an electrochemically active surface area (EASA) 3.3 times that of conventional planar electrodes. The open porous structure of this electrode also makes its EASA fully accessible to the electrolyte for water oxidation and easy release of oxygen gas. This electrode can be directly used for catalysing the oxygen evolution reaction (OER) in alkaline media without using a binder and conductive additive, exhibiting a small overpotential of 0.259 V and a low Tafel slope of 39 mV dec super(-1). 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This electrode can be directly used for catalysing the oxygen evolution reaction (OER) in alkaline media without using a binder and conductive additive, exhibiting a small overpotential of 0.259 V and a low Tafel slope of 39 mV dec super(-1). It outperforms the precious IrO sub(2) catalyst in activity, kinetics, and electrochemical stability.</description><subject>Electrodes</subject><subject>Graphene</subject><subject>Hydroxides</subject><subject>Nanostructure</subject><subject>Nickel</subject><subject>Oxidation</subject><subject>Sustainability</subject><subject>Three dimensional</subject><issn>2050-7488</issn><issn>2050-7496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNqNkDFOwzAYhS0EElXpwgk8IqRQu3bseIwqSpEqWLpHjv2nCXLiYKeCbtyBG3ISUoqYect7w6dveAhdU3JHCVNzkw6ajIvrMzRZkJQkkitx_rez7BLNYnwhYzJChFIT5HJcN7s66SFUPrS6M4CHOgAktmmhi43vtMNPzdfH5wqw0wcIYLH1-9IBrg82-PfGwnwXdF9DBxgcmCF4C3jU4Tc9QMBHRA-j6QpdVNpFmP32FG1X99vlOtk8Pzwu801iOKdDklFdaqOqStqSUbJIDaeGyzLVXDIiZQlCccmN5FynZsGlVVWmylJIZYQSbIpuTto--Nc9xKFom2jAOd2B38eCCikVZTKV_0EZU0zIo_X2hJrgYwxQFX1oWh0OBSXF8f9imW7zn_9z9g2Kanmz</recordid><startdate>20150101</startdate><enddate>20150101</enddate><creator>Yu, Xiaowen</creator><creator>Zhang, Miao</creator><creator>Yuan, Wenjing</creator><creator>Shi, Gaoquan</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7U6</scope><scope>C1K</scope><scope>7SP</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20150101</creationdate><title>A high-performance three-dimensional Ni–Fe layered double hydroxide/graphene electrode for water oxidation</title><author>Yu, Xiaowen ; Zhang, Miao ; Yuan, Wenjing ; Shi, Gaoquan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c441t-81abac9ff7db31025c41c47b5a473077be69474c744a5c247d9f89bb679c6963</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Electrodes</topic><topic>Graphene</topic><topic>Hydroxides</topic><topic>Nanostructure</topic><topic>Nickel</topic><topic>Oxidation</topic><topic>Sustainability</topic><topic>Three dimensional</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yu, Xiaowen</creatorcontrib><creatorcontrib>Zhang, Miao</creatorcontrib><creatorcontrib>Yuan, Wenjing</creatorcontrib><creatorcontrib>Shi, Gaoquan</creatorcontrib><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Sustainability Science Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of materials chemistry. 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Here, we report a facile electrodeposition process to immobilize nickel-iron layered double hydroxide (Ni-Fe LDH) nanoplates on three-dimensional electrochemically reduced graphene oxide (3D-ErGO) for water oxidation. This Ni-Fe LDH/3D-ErGO electrode has a three-dimensional interpenetrating network with Ni-Fe nanoplates uniformly decorated on graphene sheets. It has an electrochemically active surface area (EASA) 3.3 times that of conventional planar electrodes. The open porous structure of this electrode also makes its EASA fully accessible to the electrolyte for water oxidation and easy release of oxygen gas. This electrode can be directly used for catalysing the oxygen evolution reaction (OER) in alkaline media without using a binder and conductive additive, exhibiting a small overpotential of 0.259 V and a low Tafel slope of 39 mV dec super(-1). 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| identifier | ISSN: 2050-7488 |
| ispartof | Journal of materials chemistry. A, Materials for energy and sustainability, 2015-01, Vol.3 (13), p.6921-6928 |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Electrodes Graphene Hydroxides Nanostructure Nickel Oxidation Sustainability Three dimensional |
| title | A high-performance three-dimensional Ni–Fe layered double hydroxide/graphene electrode for water oxidation |
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