Dual-defective-engineered RuO2/D-Co3O4/CC composite as efficient electrocatalysts for triggering oxygen evolution reaction in acidic media
Defect engineering is widely acknowledged as an effective strategy for improving catalyst performance by increasing the abundance of active sites and optimizing binding energies. Herein, dual-defective-engineered RuO 2 /D-Co 3 O 4 /CC composite was fabricated using a straightforward process involvin...
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| Veröffentlicht in: | Science China materials 2024-03, Vol.67 (3), p.771-779 |
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| creator | Liu, Yujie Yuan, Zhaoshuo Song, Qi Xu, Tongguang He, Gang Sun, Haixiao Qiao, Qian Guan, Xuefeng Xu, Tao Dai, Xiaoping Zhang, Xin |
| description | Defect engineering is widely acknowledged as an effective strategy for improving catalyst performance by increasing the abundance of active sites and optimizing binding energies. Herein, dual-defective-engineered RuO
2
/D-Co
3
O
4
/CC composite was fabricated using a straightforward process involving electrodeposition and acid etching method to improve the oxygen evolution reaction (OER) with low Ru loading (2.42 wt%) in acidic media. The RuO
2
/D-Co
3
O
4
/CC catalyst was thoroughly characterized using physicochemical techniques, revealing the presence of both anionic and cationic defects in RuO
2
/D-Co
3
O
4
/CC. Experimental studies demonstrate that the optimized RuO
2
/D-Co
3
O
4
/CC with dual defects enhances the electrochemically exposed active sites and effectively reduces the dependence of the catalytic reaction on the concentration of protons in the electrolyte, thereby triggering high-performance OER. A mere 181 mV overpotential is needed to achieve a current density of 10 mA cm
−2
, and it can sustain uninterrupted continuous electrolysis at this current density for 120 h. This characteristic renders it a highly promising electrocatalyst for acidic OER. |
| doi_str_mv | 10.1007/s40843-023-2734-y |
| format | Article |
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2
/D-Co
3
O
4
/CC composite was fabricated using a straightforward process involving electrodeposition and acid etching method to improve the oxygen evolution reaction (OER) with low Ru loading (2.42 wt%) in acidic media. The RuO
2
/D-Co
3
O
4
/CC catalyst was thoroughly characterized using physicochemical techniques, revealing the presence of both anionic and cationic defects in RuO
2
/D-Co
3
O
4
/CC. Experimental studies demonstrate that the optimized RuO
2
/D-Co
3
O
4
/CC with dual defects enhances the electrochemically exposed active sites and effectively reduces the dependence of the catalytic reaction on the concentration of protons in the electrolyte, thereby triggering high-performance OER. A mere 181 mV overpotential is needed to achieve a current density of 10 mA cm
−2
, and it can sustain uninterrupted continuous electrolysis at this current density for 120 h. This characteristic renders it a highly promising electrocatalyst for acidic OER.</description><identifier>ISSN: 2095-8226</identifier><identifier>EISSN: 2199-4501</identifier><identifier>DOI: 10.1007/s40843-023-2734-y</identifier><language>eng</language><publisher>Beijing: Science China Press</publisher><subject>Catalysts ; Chemistry and Materials Science ; Chemistry/Food Science ; Cobalt oxides ; Current density ; Defects ; Electrocatalysts ; Electrolysis ; Materials Science ; Oxygen evolution reactions ; Ruthenium oxide</subject><ispartof>Science China materials, 2024-03, Vol.67 (3), p.771-779</ispartof><rights>Science China Press 2024</rights><rights>Science China Press 2024.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c311t-47466369fe23e91db2f1e3041711c1ee817be162028fe6ded59d192cb0b2a6f93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s40843-023-2734-y$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s40843-023-2734-y$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Liu, Yujie</creatorcontrib><creatorcontrib>Yuan, Zhaoshuo</creatorcontrib><creatorcontrib>Song, Qi</creatorcontrib><creatorcontrib>Xu, Tongguang</creatorcontrib><creatorcontrib>He, Gang</creatorcontrib><creatorcontrib>Sun, Haixiao</creatorcontrib><creatorcontrib>Qiao, Qian</creatorcontrib><creatorcontrib>Guan, Xuefeng</creatorcontrib><creatorcontrib>Xu, Tao</creatorcontrib><creatorcontrib>Dai, Xiaoping</creatorcontrib><creatorcontrib>Zhang, Xin</creatorcontrib><title>Dual-defective-engineered RuO2/D-Co3O4/CC composite as efficient electrocatalysts for triggering oxygen evolution reaction in acidic media</title><title>Science China materials</title><addtitle>Sci. China Mater</addtitle><description>Defect engineering is widely acknowledged as an effective strategy for improving catalyst performance by increasing the abundance of active sites and optimizing binding energies. Herein, dual-defective-engineered RuO
2
/D-Co
3
O
4
/CC composite was fabricated using a straightforward process involving electrodeposition and acid etching method to improve the oxygen evolution reaction (OER) with low Ru loading (2.42 wt%) in acidic media. The RuO
2
/D-Co
3
O
4
/CC catalyst was thoroughly characterized using physicochemical techniques, revealing the presence of both anionic and cationic defects in RuO
2
/D-Co
3
O
4
/CC. Experimental studies demonstrate that the optimized RuO
2
/D-Co
3
O
4
/CC with dual defects enhances the electrochemically exposed active sites and effectively reduces the dependence of the catalytic reaction on the concentration of protons in the electrolyte, thereby triggering high-performance OER. A mere 181 mV overpotential is needed to achieve a current density of 10 mA cm
−2
, and it can sustain uninterrupted continuous electrolysis at this current density for 120 h. This characteristic renders it a highly promising electrocatalyst for acidic OER.</description><subject>Catalysts</subject><subject>Chemistry and Materials Science</subject><subject>Chemistry/Food Science</subject><subject>Cobalt oxides</subject><subject>Current density</subject><subject>Defects</subject><subject>Electrocatalysts</subject><subject>Electrolysis</subject><subject>Materials Science</subject><subject>Oxygen evolution reactions</subject><subject>Ruthenium oxide</subject><issn>2095-8226</issn><issn>2199-4501</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp1kE1L7DAUhosoKF5_gLuA6zg5SZs2S6mfIAxc7l2HTHpSIp1mTFKxf8FfbccRXLk67-I87-E8RXEJ7BoYq1epZE0pKOOC8lqUdD4qzjgoRcuKwfGSmapow7k8LS5SemGMgawAVHNWfNxOZqAdOrTZvyHFsfcjYsSO_J3WfHVL2yDW5aptiQ3bXUg-IzGJoHPeehwzwWFBY7Amm2FOOREXIsnR9z1GP_YkvM89jgTfwjBlH0YS0div4EdirO-8JVvsvPlTnDgzJLz4nufF__u7f-0jfV4_PLU3z9QKgEzLupRSSOWQC1TQbbgDFKyEGsACYgP1BkFyxhuHssOuUh0objdsw410SpwXV4feXQyvE6asX8IUx-Wk5krUoqolg2ULDls2hpQiOr2LfmvirIHpvXV9sK4X63pvXc8Lww9M2u1fx_jT_Dv0CVxbhrA</recordid><startdate>20240301</startdate><enddate>20240301</enddate><creator>Liu, Yujie</creator><creator>Yuan, Zhaoshuo</creator><creator>Song, Qi</creator><creator>Xu, Tongguang</creator><creator>He, Gang</creator><creator>Sun, Haixiao</creator><creator>Qiao, Qian</creator><creator>Guan, Xuefeng</creator><creator>Xu, Tao</creator><creator>Dai, Xiaoping</creator><creator>Zhang, Xin</creator><general>Science China Press</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20240301</creationdate><title>Dual-defective-engineered RuO2/D-Co3O4/CC composite as efficient electrocatalysts for triggering oxygen evolution reaction in acidic media</title><author>Liu, Yujie ; Yuan, Zhaoshuo ; Song, Qi ; Xu, Tongguang ; He, Gang ; Sun, Haixiao ; Qiao, Qian ; Guan, Xuefeng ; Xu, Tao ; Dai, Xiaoping ; Zhang, Xin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c311t-47466369fe23e91db2f1e3041711c1ee817be162028fe6ded59d192cb0b2a6f93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Catalysts</topic><topic>Chemistry and Materials Science</topic><topic>Chemistry/Food Science</topic><topic>Cobalt oxides</topic><topic>Current density</topic><topic>Defects</topic><topic>Electrocatalysts</topic><topic>Electrolysis</topic><topic>Materials Science</topic><topic>Oxygen evolution reactions</topic><topic>Ruthenium oxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Yujie</creatorcontrib><creatorcontrib>Yuan, Zhaoshuo</creatorcontrib><creatorcontrib>Song, Qi</creatorcontrib><creatorcontrib>Xu, Tongguang</creatorcontrib><creatorcontrib>He, Gang</creatorcontrib><creatorcontrib>Sun, Haixiao</creatorcontrib><creatorcontrib>Qiao, Qian</creatorcontrib><creatorcontrib>Guan, Xuefeng</creatorcontrib><creatorcontrib>Xu, Tao</creatorcontrib><creatorcontrib>Dai, Xiaoping</creatorcontrib><creatorcontrib>Zhang, Xin</creatorcontrib><collection>CrossRef</collection><jtitle>Science China materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Yujie</au><au>Yuan, Zhaoshuo</au><au>Song, Qi</au><au>Xu, Tongguang</au><au>He, Gang</au><au>Sun, Haixiao</au><au>Qiao, Qian</au><au>Guan, Xuefeng</au><au>Xu, Tao</au><au>Dai, Xiaoping</au><au>Zhang, Xin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dual-defective-engineered RuO2/D-Co3O4/CC composite as efficient electrocatalysts for triggering oxygen evolution reaction in acidic media</atitle><jtitle>Science China materials</jtitle><stitle>Sci. China Mater</stitle><date>2024-03-01</date><risdate>2024</risdate><volume>67</volume><issue>3</issue><spage>771</spage><epage>779</epage><pages>771-779</pages><issn>2095-8226</issn><eissn>2199-4501</eissn><abstract>Defect engineering is widely acknowledged as an effective strategy for improving catalyst performance by increasing the abundance of active sites and optimizing binding energies. Herein, dual-defective-engineered RuO
2
/D-Co
3
O
4
/CC composite was fabricated using a straightforward process involving electrodeposition and acid etching method to improve the oxygen evolution reaction (OER) with low Ru loading (2.42 wt%) in acidic media. The RuO
2
/D-Co
3
O
4
/CC catalyst was thoroughly characterized using physicochemical techniques, revealing the presence of both anionic and cationic defects in RuO
2
/D-Co
3
O
4
/CC. Experimental studies demonstrate that the optimized RuO
2
/D-Co
3
O
4
/CC with dual defects enhances the electrochemically exposed active sites and effectively reduces the dependence of the catalytic reaction on the concentration of protons in the electrolyte, thereby triggering high-performance OER. A mere 181 mV overpotential is needed to achieve a current density of 10 mA cm
−2
, and it can sustain uninterrupted continuous electrolysis at this current density for 120 h. This characteristic renders it a highly promising electrocatalyst for acidic OER.</abstract><cop>Beijing</cop><pub>Science China Press</pub><doi>10.1007/s40843-023-2734-y</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Catalysts Chemistry and Materials Science Chemistry/Food Science Cobalt oxides Current density Defects Electrocatalysts Electrolysis Materials Science Oxygen evolution reactions Ruthenium oxide |
| title | Dual-defective-engineered RuO2/D-Co3O4/CC composite as efficient electrocatalysts for triggering oxygen evolution reaction in acidic media |
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