Probing structure-designed Cu-Pd nanospheres and their Pt-monolayer-shell derivatives as high-performance electrocatalysts for alkaline and acidic oxygen reduction reactions
The oxygen reduction reaction (ORR) plays a critical role in various renewable energy technologies, however, the unsatisfactory ORR electrocatalytic performance of commonly used commercial electrocatalysts under alkaline and acidic conditions greatly limits the wide practical applications of these t...
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| Veröffentlicht in: | Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2020-11, Vol.8 (42), p.22389-224 |
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| creator | Luo, Liuxuan Fu, Cehuang Shen, Shuiyun Zhu, Fengjuan Zhang, Junliang |
| description | The oxygen reduction reaction (ORR) plays a critical role in various renewable energy technologies, however, the unsatisfactory ORR electrocatalytic performance of commonly used commercial electrocatalysts under alkaline and acidic conditions greatly limits the wide practical applications of these technologies. Accordingly, in this study, (1) a facile heat treatment (HT) is exploited to anneal carbon-supported highly uniform and small-sized Cu
1
Pd
1
nanospheres (NSs) with composition-graded (CG) structures (
CG
Cu
1
Pd
1
NSs/C-HT); (2) through complete Cu underpotential deposition and Pt
2+
galvanic replacement, the above-annealed
CG
Cu
1
Pd
1
NSs are further coated with Pt monolayer (ML) shells (MSs) (
CG
Cu
1
Pd
1
@Pt
ML
NSs/C-HT). Detailed physicochemical characterization, electrochemical analyses and density functional theory calculations reveal that, benefiting from the CG structural, size-morphology and annealing effects of the NSs, as well as the Cu-induced geometric and ligand effects, compared to
CG
Cu
1
Pd
1
NSs/C, commercial Pd/C and Pt/C,
CG
Cu
1
Pd
1
NSs/C-HT exhibits not only ultrahigh alkaline ORR electrocatalytic activity, showing respective 1.1/1.2-, 4.7/13.7- and 5.2/6.8-fold enhancements in area-/noble-metal-mass-specific activity (ASA/NM-MSA), but also a satisfactory alkaline electrochemical durability. Besides, owing to the Pt-MS structural effect and the synergistic effect on the Pt MS imparted by the
CG
Cu
1
Pd
1
core,
CG
Cu
1
Pd
1
@Pt
ML
NSs/C-HT presents remarkable acidic ORR electrocatalytic activity, NM utilization and acidic electrochemical durability compared to commercial Pt/C, exhibiting respective 3.4-, 3.4- and 13.3-fold enhancements in ASA, NM-MSA and Pt-MSA. This study has not only successfully developed two types of high-performance ORR electrocatalyst, but also comprehensively investigated the origins of their significantly enhanced ORR electrocatalytic performance for the rational design and preparation of highly active and durable ORR electrocatalysts.
Composition-graded Cu-Pd nanospheres are annealed for highly efficient alkaline oxygen reduction reaction, and further coated with Pt monolayer shells for high-performance acidic oxygen reduction reaction. |
| doi_str_mv | 10.1039/d0ta05905f |
| format | Article |
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1
Pd
1
nanospheres (NSs) with composition-graded (CG) structures (
CG
Cu
1
Pd
1
NSs/C-HT); (2) through complete Cu underpotential deposition and Pt
2+
galvanic replacement, the above-annealed
CG
Cu
1
Pd
1
NSs are further coated with Pt monolayer (ML) shells (MSs) (
CG
Cu
1
Pd
1
@Pt
ML
NSs/C-HT). Detailed physicochemical characterization, electrochemical analyses and density functional theory calculations reveal that, benefiting from the CG structural, size-morphology and annealing effects of the NSs, as well as the Cu-induced geometric and ligand effects, compared to
CG
Cu
1
Pd
1
NSs/C, commercial Pd/C and Pt/C,
CG
Cu
1
Pd
1
NSs/C-HT exhibits not only ultrahigh alkaline ORR electrocatalytic activity, showing respective 1.1/1.2-, 4.7/13.7- and 5.2/6.8-fold enhancements in area-/noble-metal-mass-specific activity (ASA/NM-MSA), but also a satisfactory alkaline electrochemical durability. Besides, owing to the Pt-MS structural effect and the synergistic effect on the Pt MS imparted by the
CG
Cu
1
Pd
1
core,
CG
Cu
1
Pd
1
@Pt
ML
NSs/C-HT presents remarkable acidic ORR electrocatalytic activity, NM utilization and acidic electrochemical durability compared to commercial Pt/C, exhibiting respective 3.4-, 3.4- and 13.3-fold enhancements in ASA, NM-MSA and Pt-MSA. This study has not only successfully developed two types of high-performance ORR electrocatalyst, but also comprehensively investigated the origins of their significantly enhanced ORR electrocatalytic performance for the rational design and preparation of highly active and durable ORR electrocatalysts.
Composition-graded Cu-Pd nanospheres are annealed for highly efficient alkaline oxygen reduction reaction, and further coated with Pt monolayer shells for high-performance acidic oxygen reduction reaction.</description><identifier>ISSN: 2050-7488</identifier><identifier>EISSN: 2050-7496</identifier><identifier>DOI: 10.1039/d0ta05905f</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Annealing ; Chemical reduction ; Copper ; Density functional theory ; Durability ; Electrocatalysts ; Electrochemical analysis ; Electrochemistry ; Energy technology ; Heat treatment ; Heat treatments ; Monolayers ; Nanospheres ; Noble metals ; Oxygen ; Oxygen reduction reactions ; Palladium ; Platinum ; Renewable energy technologies ; Synergistic effect ; Underpotential deposition</subject><ispartof>Journal of materials chemistry. A, Materials for energy and sustainability, 2020-11, Vol.8 (42), p.22389-224</ispartof><rights>Copyright Royal Society of Chemistry 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c344t-9b5824cf2df075e4ad9169bb227257196ff5ee4af68abea084e517e013b4d7133</citedby><cites>FETCH-LOGICAL-c344t-9b5824cf2df075e4ad9169bb227257196ff5ee4af68abea084e517e013b4d7133</cites><orcidid>0000-0003-2370-9699</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Luo, Liuxuan</creatorcontrib><creatorcontrib>Fu, Cehuang</creatorcontrib><creatorcontrib>Shen, Shuiyun</creatorcontrib><creatorcontrib>Zhu, Fengjuan</creatorcontrib><creatorcontrib>Zhang, Junliang</creatorcontrib><title>Probing structure-designed Cu-Pd nanospheres and their Pt-monolayer-shell derivatives as high-performance electrocatalysts for alkaline and acidic oxygen reduction reactions</title><title>Journal of materials chemistry. A, Materials for energy and sustainability</title><description>The oxygen reduction reaction (ORR) plays a critical role in various renewable energy technologies, however, the unsatisfactory ORR electrocatalytic performance of commonly used commercial electrocatalysts under alkaline and acidic conditions greatly limits the wide practical applications of these technologies. Accordingly, in this study, (1) a facile heat treatment (HT) is exploited to anneal carbon-supported highly uniform and small-sized Cu
1
Pd
1
nanospheres (NSs) with composition-graded (CG) structures (
CG
Cu
1
Pd
1
NSs/C-HT); (2) through complete Cu underpotential deposition and Pt
2+
galvanic replacement, the above-annealed
CG
Cu
1
Pd
1
NSs are further coated with Pt monolayer (ML) shells (MSs) (
CG
Cu
1
Pd
1
@Pt
ML
NSs/C-HT). Detailed physicochemical characterization, electrochemical analyses and density functional theory calculations reveal that, benefiting from the CG structural, size-morphology and annealing effects of the NSs, as well as the Cu-induced geometric and ligand effects, compared to
CG
Cu
1
Pd
1
NSs/C, commercial Pd/C and Pt/C,
CG
Cu
1
Pd
1
NSs/C-HT exhibits not only ultrahigh alkaline ORR electrocatalytic activity, showing respective 1.1/1.2-, 4.7/13.7- and 5.2/6.8-fold enhancements in area-/noble-metal-mass-specific activity (ASA/NM-MSA), but also a satisfactory alkaline electrochemical durability. Besides, owing to the Pt-MS structural effect and the synergistic effect on the Pt MS imparted by the
CG
Cu
1
Pd
1
core,
CG
Cu
1
Pd
1
@Pt
ML
NSs/C-HT presents remarkable acidic ORR electrocatalytic activity, NM utilization and acidic electrochemical durability compared to commercial Pt/C, exhibiting respective 3.4-, 3.4- and 13.3-fold enhancements in ASA, NM-MSA and Pt-MSA. This study has not only successfully developed two types of high-performance ORR electrocatalyst, but also comprehensively investigated the origins of their significantly enhanced ORR electrocatalytic performance for the rational design and preparation of highly active and durable ORR electrocatalysts.
Composition-graded Cu-Pd nanospheres are annealed for highly efficient alkaline oxygen reduction reaction, and further coated with Pt monolayer shells for high-performance acidic oxygen reduction reaction.</description><subject>Annealing</subject><subject>Chemical reduction</subject><subject>Copper</subject><subject>Density functional theory</subject><subject>Durability</subject><subject>Electrocatalysts</subject><subject>Electrochemical analysis</subject><subject>Electrochemistry</subject><subject>Energy technology</subject><subject>Heat treatment</subject><subject>Heat treatments</subject><subject>Monolayers</subject><subject>Nanospheres</subject><subject>Noble metals</subject><subject>Oxygen</subject><subject>Oxygen reduction reactions</subject><subject>Palladium</subject><subject>Platinum</subject><subject>Renewable energy technologies</subject><subject>Synergistic effect</subject><subject>Underpotential deposition</subject><issn>2050-7488</issn><issn>2050-7496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kUFv1DAQhSMEElXphTuSETckg5PYSXysFgpIldhDOUcTe7xxydph7FTdH8V_JLuLyo25zNPMpzcjvaJ4XYoPpaj1RysyCKWFcs-Ki0oowVupm-dPuuteFlcp3Yu1OiEarS-K31uKgw87ljItJi-E3GLyu4CWbRa-tSxAiGkekTAxCJblET2xbeb7GOIEBySeRpwmZpH8A2T_cAQTG_1u5DOSi7SHYJDhhCZTNJBhOqSc2LphMP2EyQc8WYPx1hsWHw87DIzQrh_5eFRwEulV8cLBlPDqb78sftx8vtt85bffv3zbXN9yU0uZuR5UV0njKutEq1CC1WWjh6Gq2kq1pW6cU7iOXdPBgCA6iapsUZT1IG1b1vVl8e7sO1P8tWDK_X1cKKwn-0qqplNStHKl3p8pQzElQtfP5PdAh74U_TGR_pO4uz4lcrPCb88wJfPE_Uusn61bmTf_Y-o_bjmYGw</recordid><startdate>20201114</startdate><enddate>20201114</enddate><creator>Luo, Liuxuan</creator><creator>Fu, Cehuang</creator><creator>Shen, Shuiyun</creator><creator>Zhu, Fengjuan</creator><creator>Zhang, Junliang</creator><general>Royal Society of Chemistry</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7SR</scope><scope>7ST</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>JG9</scope><scope>L7M</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0003-2370-9699</orcidid></search><sort><creationdate>20201114</creationdate><title>Probing structure-designed Cu-Pd nanospheres and their Pt-monolayer-shell derivatives as high-performance electrocatalysts for alkaline and acidic oxygen reduction reactions</title><author>Luo, Liuxuan ; Fu, Cehuang ; Shen, Shuiyun ; Zhu, Fengjuan ; Zhang, Junliang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c344t-9b5824cf2df075e4ad9169bb227257196ff5ee4af68abea084e517e013b4d7133</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Annealing</topic><topic>Chemical reduction</topic><topic>Copper</topic><topic>Density functional theory</topic><topic>Durability</topic><topic>Electrocatalysts</topic><topic>Electrochemical analysis</topic><topic>Electrochemistry</topic><topic>Energy technology</topic><topic>Heat treatment</topic><topic>Heat treatments</topic><topic>Monolayers</topic><topic>Nanospheres</topic><topic>Noble metals</topic><topic>Oxygen</topic><topic>Oxygen reduction reactions</topic><topic>Palladium</topic><topic>Platinum</topic><topic>Renewable energy technologies</topic><topic>Synergistic effect</topic><topic>Underpotential deposition</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Luo, Liuxuan</creatorcontrib><creatorcontrib>Fu, Cehuang</creatorcontrib><creatorcontrib>Shen, Shuiyun</creatorcontrib><creatorcontrib>Zhu, Fengjuan</creatorcontrib><creatorcontrib>Zhang, Junliang</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Environment Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>Journal of materials chemistry. A, Materials for energy and sustainability</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Luo, Liuxuan</au><au>Fu, Cehuang</au><au>Shen, Shuiyun</au><au>Zhu, Fengjuan</au><au>Zhang, Junliang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Probing structure-designed Cu-Pd nanospheres and their Pt-monolayer-shell derivatives as high-performance electrocatalysts for alkaline and acidic oxygen reduction reactions</atitle><jtitle>Journal of materials chemistry. A, Materials for energy and sustainability</jtitle><date>2020-11-14</date><risdate>2020</risdate><volume>8</volume><issue>42</issue><spage>22389</spage><epage>224</epage><pages>22389-224</pages><issn>2050-7488</issn><eissn>2050-7496</eissn><abstract>The oxygen reduction reaction (ORR) plays a critical role in various renewable energy technologies, however, the unsatisfactory ORR electrocatalytic performance of commonly used commercial electrocatalysts under alkaline and acidic conditions greatly limits the wide practical applications of these technologies. Accordingly, in this study, (1) a facile heat treatment (HT) is exploited to anneal carbon-supported highly uniform and small-sized Cu
1
Pd
1
nanospheres (NSs) with composition-graded (CG) structures (
CG
Cu
1
Pd
1
NSs/C-HT); (2) through complete Cu underpotential deposition and Pt
2+
galvanic replacement, the above-annealed
CG
Cu
1
Pd
1
NSs are further coated with Pt monolayer (ML) shells (MSs) (
CG
Cu
1
Pd
1
@Pt
ML
NSs/C-HT). Detailed physicochemical characterization, electrochemical analyses and density functional theory calculations reveal that, benefiting from the CG structural, size-morphology and annealing effects of the NSs, as well as the Cu-induced geometric and ligand effects, compared to
CG
Cu
1
Pd
1
NSs/C, commercial Pd/C and Pt/C,
CG
Cu
1
Pd
1
NSs/C-HT exhibits not only ultrahigh alkaline ORR electrocatalytic activity, showing respective 1.1/1.2-, 4.7/13.7- and 5.2/6.8-fold enhancements in area-/noble-metal-mass-specific activity (ASA/NM-MSA), but also a satisfactory alkaline electrochemical durability. Besides, owing to the Pt-MS structural effect and the synergistic effect on the Pt MS imparted by the
CG
Cu
1
Pd
1
core,
CG
Cu
1
Pd
1
@Pt
ML
NSs/C-HT presents remarkable acidic ORR electrocatalytic activity, NM utilization and acidic electrochemical durability compared to commercial Pt/C, exhibiting respective 3.4-, 3.4- and 13.3-fold enhancements in ASA, NM-MSA and Pt-MSA. This study has not only successfully developed two types of high-performance ORR electrocatalyst, but also comprehensively investigated the origins of their significantly enhanced ORR electrocatalytic performance for the rational design and preparation of highly active and durable ORR electrocatalysts.
Composition-graded Cu-Pd nanospheres are annealed for highly efficient alkaline oxygen reduction reaction, and further coated with Pt monolayer shells for high-performance acidic oxygen reduction reaction.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d0ta05905f</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0003-2370-9699</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2050-7488 |
| ispartof | Journal of materials chemistry. A, Materials for energy and sustainability, 2020-11, Vol.8 (42), p.22389-224 |
| issn | 2050-7488 2050-7496 |
| language | eng |
| recordid | cdi_proquest_journals_2456854074 |
| source | Royal Society Of Chemistry Journals 2008- |
| subjects | Annealing Chemical reduction Copper Density functional theory Durability Electrocatalysts Electrochemical analysis Electrochemistry Energy technology Heat treatment Heat treatments Monolayers Nanospheres Noble metals Oxygen Oxygen reduction reactions Palladium Platinum Renewable energy technologies Synergistic effect Underpotential deposition |
| title | Probing structure-designed Cu-Pd nanospheres and their Pt-monolayer-shell derivatives as high-performance electrocatalysts for alkaline and acidic oxygen reduction reactions |
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