High activity and durability of novel perovskite electrocatalysts for water oxidation
Development of highly active and cost-effective electrocatalysts is central to the large-scale electrolysis of water for renewable energy generation. Perovskite oxides are a group of promising candidates to lower the oxygen evolution reaction (OER) barriers in water splitting and further improvement...
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| Veröffentlicht in: | Materials horizons 2015, Vol.2 (5), p.495-501 |
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| creator | Zhou, Wei Zhao, Mingwen Liang, Fengli Smith, Sean C. Zhu, Zhonghua |
| description | Development of highly active and cost-effective electrocatalysts is central to the large-scale electrolysis of water for renewable energy generation. Perovskite oxides are a group of promising candidates to lower the oxygen evolution reaction (OER) barriers in water splitting and further improvement of their activity and durability is an important objective. Here we report scandium and niobium cation (Sc
3+
and Nb
5+
) doped strontium cobaltite perovskites (SrSc
x
Nb
y
Co
1−x−y
O
3−δ
) as a family of highly active and durable electrocatalysts for the OER in alkaline solution. These perovskites not only manifest up to a factor of 50 increase of the intrinsic activity compared to the gold-standard OER electrocatalysts (such as IrO
2
and RuO
2
) and a factor of 5.8 enhancement to the perovskite-Ba
0.5
Sr
0.5
Co
0.8
Fe
0.2
O
3−δ
at an overpotential of 0.35 V, but also, more importantly, show excellent durability in alkaline solutions under operation. |
| doi_str_mv | 10.1039/C5MH00096C |
| format | Article |
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3+
and Nb
5+
) doped strontium cobaltite perovskites (SrSc
x
Nb
y
Co
1−x−y
O
3−δ
) as a family of highly active and durable electrocatalysts for the OER in alkaline solution. These perovskites not only manifest up to a factor of 50 increase of the intrinsic activity compared to the gold-standard OER electrocatalysts (such as IrO
2
and RuO
2
) and a factor of 5.8 enhancement to the perovskite-Ba
0.5
Sr
0.5
Co
0.8
Fe
0.2
O
3−δ
at an overpotential of 0.35 V, but also, more importantly, show excellent durability in alkaline solutions under operation.</description><identifier>ISSN: 2051-6347</identifier><identifier>EISSN: 2051-6355</identifier><identifier>DOI: 10.1039/C5MH00096C</identifier><language>eng</language><subject>Durability ; Electrocatalysts ; Evolution ; Oxides ; Perovskites ; Scandium ; Three dimensional ; Water splitting</subject><ispartof>Materials horizons, 2015, Vol.2 (5), p.495-501</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c367t-2d40f7080d29867242ba6ba490fee8349462df547222faba8221685e1d2cb33a3</citedby><cites>FETCH-LOGICAL-c367t-2d40f7080d29867242ba6ba490fee8349462df547222faba8221685e1d2cb33a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,4010,27900,27901,27902</link.rule.ids></links><search><creatorcontrib>Zhou, Wei</creatorcontrib><creatorcontrib>Zhao, Mingwen</creatorcontrib><creatorcontrib>Liang, Fengli</creatorcontrib><creatorcontrib>Smith, Sean C.</creatorcontrib><creatorcontrib>Zhu, Zhonghua</creatorcontrib><title>High activity and durability of novel perovskite electrocatalysts for water oxidation</title><title>Materials horizons</title><description>Development of highly active and cost-effective electrocatalysts is central to the large-scale electrolysis of water for renewable energy generation. Perovskite oxides are a group of promising candidates to lower the oxygen evolution reaction (OER) barriers in water splitting and further improvement of their activity and durability is an important objective. Here we report scandium and niobium cation (Sc
3+
and Nb
5+
) doped strontium cobaltite perovskites (SrSc
x
Nb
y
Co
1−x−y
O
3−δ
) as a family of highly active and durable electrocatalysts for the OER in alkaline solution. These perovskites not only manifest up to a factor of 50 increase of the intrinsic activity compared to the gold-standard OER electrocatalysts (such as IrO
2
and RuO
2
) and a factor of 5.8 enhancement to the perovskite-Ba
0.5
Sr
0.5
Co
0.8
Fe
0.2
O
3−δ
at an overpotential of 0.35 V, but also, more importantly, show excellent durability in alkaline solutions under operation.</description><subject>Durability</subject><subject>Electrocatalysts</subject><subject>Evolution</subject><subject>Oxides</subject><subject>Perovskites</subject><subject>Scandium</subject><subject>Three dimensional</subject><subject>Water splitting</subject><issn>2051-6347</issn><issn>2051-6355</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNpFkE1LAzEYhIMoWGov_oIcRVjN9-4eZVErVLzY8_JuPjSabmqSVvvvbVH0NDPwMAyD0DklV5Tw9rqTj3NCSKu6IzRhRNJKcSmP_7yoT9Es57c9Q7mQpCETtJz7l1cMuvitLzsMo8Fmk2Dw4RCjw2Pc2oDXNsVtfvfFYhusLilqKBB2uWTsYsKfUGzC8csbKD6OZ-jEQch29qtTtLy7fe7m1eLp_qG7WVSaq7pUzAji6v0Ow9pG1UywAdQAoiXO2oaLVihmnBQ1Y8zBAA1jVDXSUsP0wDnwKbr46V2n-LGxufQrn7UNAUYbN7mnDSGCt6qme_TyB9Up5pys69fJryDtekr6w339_338G1XPYmA</recordid><startdate>2015</startdate><enddate>2015</enddate><creator>Zhou, Wei</creator><creator>Zhao, Mingwen</creator><creator>Liang, Fengli</creator><creator>Smith, Sean C.</creator><creator>Zhu, Zhonghua</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>2015</creationdate><title>High activity and durability of novel perovskite electrocatalysts for water oxidation</title><author>Zhou, Wei ; Zhao, Mingwen ; Liang, Fengli ; Smith, Sean C. ; Zhu, Zhonghua</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c367t-2d40f7080d29867242ba6ba490fee8349462df547222faba8221685e1d2cb33a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Durability</topic><topic>Electrocatalysts</topic><topic>Evolution</topic><topic>Oxides</topic><topic>Perovskites</topic><topic>Scandium</topic><topic>Three dimensional</topic><topic>Water splitting</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhou, Wei</creatorcontrib><creatorcontrib>Zhao, Mingwen</creatorcontrib><creatorcontrib>Liang, Fengli</creatorcontrib><creatorcontrib>Smith, Sean C.</creatorcontrib><creatorcontrib>Zhu, Zhonghua</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Materials horizons</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhou, Wei</au><au>Zhao, Mingwen</au><au>Liang, Fengli</au><au>Smith, Sean C.</au><au>Zhu, Zhonghua</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High activity and durability of novel perovskite electrocatalysts for water oxidation</atitle><jtitle>Materials horizons</jtitle><date>2015</date><risdate>2015</risdate><volume>2</volume><issue>5</issue><spage>495</spage><epage>501</epage><pages>495-501</pages><issn>2051-6347</issn><eissn>2051-6355</eissn><abstract>Development of highly active and cost-effective electrocatalysts is central to the large-scale electrolysis of water for renewable energy generation. Perovskite oxides are a group of promising candidates to lower the oxygen evolution reaction (OER) barriers in water splitting and further improvement of their activity and durability is an important objective. Here we report scandium and niobium cation (Sc
3+
and Nb
5+
) doped strontium cobaltite perovskites (SrSc
x
Nb
y
Co
1−x−y
O
3−δ
) as a family of highly active and durable electrocatalysts for the OER in alkaline solution. These perovskites not only manifest up to a factor of 50 increase of the intrinsic activity compared to the gold-standard OER electrocatalysts (such as IrO
2
and RuO
2
) and a factor of 5.8 enhancement to the perovskite-Ba
0.5
Sr
0.5
Co
0.8
Fe
0.2
O
3−δ
at an overpotential of 0.35 V, but also, more importantly, show excellent durability in alkaline solutions under operation.</abstract><doi>10.1039/C5MH00096C</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2051-6347 |
| ispartof | Materials horizons, 2015, Vol.2 (5), p.495-501 |
| issn | 2051-6347 2051-6355 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1800439671 |
| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Durability Electrocatalysts Evolution Oxides Perovskites Scandium Three dimensional Water splitting |
| title | High activity and durability of novel perovskite electrocatalysts for water oxidation |
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