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Fe-Incorporated Metal-Organic Cobalt Hydroxide Toward Efficient Oxygen Evolution Reaction
Metal-organic cobalt hydroxide emerges as a cost-effective electrocatalyst for the oxygen evolution reaction (OER) in energy conversion. However, the limited active sites and poor conductivity hinder their large-scale application. This study employed salicylate as a bridging ligand to synthesize iro...
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| Published in: | Electrocatalysis 2024, Vol.15 (4), p.273-280 |
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| Main Authors: | , , , , |
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| Language: | English |
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| container_end_page | 280 |
| container_issue | 4 |
| container_start_page | 273 |
| container_title | Electrocatalysis |
| container_volume | 15 |
| creator | Jiang, Tao Yao, Yuechao Wu, Feiyan Aziz, Iram Zhang, Wenjing |
| description | Metal-organic cobalt hydroxide emerges as a cost-effective electrocatalyst for the oxygen evolution reaction (OER) in energy conversion. However, the limited active sites and poor conductivity hinder their large-scale application. This study employed salicylate as a bridging ligand to synthesize iron-incorporated metal-organic cobalt hydroxide. The influence of Fe intercalation on Co(OH)(Hsal) (where Hsal denotes
o
-HOC
6
H
4
COO
−
) was investigated using X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). Fe
0.2
Co
0.8
(OH)(Hsal) demonstrates remarkable electrocatalytic activity, displaying an OER overpotential of 298 mV at 10 mA cm
−2
and a Tafel slope of 57.46 mV dec
−1
. This enhancement can be attributed to improved charge transfer kinetics and increased active sites. This work highlights the crucial role of Fe in improving the efficiency of Co-based oxygen-evolving catalysts (OECs) and its potential for boosting efficient hydrogen generation in alkaline environments.
Graphical Abstract |
| doi_str_mv | 10.1007/s12678-024-00871-0 |
| format | article |
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o
-HOC
6
H
4
COO
−
) was investigated using X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). Fe
0.2
Co
0.8
(OH)(Hsal) demonstrates remarkable electrocatalytic activity, displaying an OER overpotential of 298 mV at 10 mA cm
−2
and a Tafel slope of 57.46 mV dec
−1
. This enhancement can be attributed to improved charge transfer kinetics and increased active sites. This work highlights the crucial role of Fe in improving the efficiency of Co-based oxygen-evolving catalysts (OECs) and its potential for boosting efficient hydrogen generation in alkaline environments.
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o
-HOC
6
H
4
COO
−
) was investigated using X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). Fe
0.2
Co
0.8
(OH)(Hsal) demonstrates remarkable electrocatalytic activity, displaying an OER overpotential of 298 mV at 10 mA cm
−2
and a Tafel slope of 57.46 mV dec
−1
. This enhancement can be attributed to improved charge transfer kinetics and increased active sites. This work highlights the crucial role of Fe in improving the efficiency of Co-based oxygen-evolving catalysts (OECs) and its potential for boosting efficient hydrogen generation in alkaline environments.
Graphical Abstract</description><subject>Catalysis</subject><subject>Charge transfer</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Cobalt</subject><subject>Electrocatalysts</subject><subject>Electrochemistry</subject><subject>Energy conversion</subject><subject>Energy Systems</subject><subject>Hydrogen production</subject><subject>Iron</subject><subject>Oxygen evolution reactions</subject><subject>Photoelectrons</subject><subject>Physical Chemistry</subject><subject>X ray photoelectron spectroscopy</subject><issn>1868-2529</issn><issn>1868-5994</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9kE9LAzEUxIMoWGq_gKeA52iSt8lmj1JaLVQKUg-eQpo_ZUvd1GSr7bd36xa8-S4zh5l58EPoltF7Rmn5kBmXpSKUF4RSVTJCL9CAKamIqKri8uy54NU1GuW8od1BBVSJAXqfejJrbEy7mEzrHX7xrdmSRVqbprZ4HFdm2-Lno0vxUDuPl_HbJIcnIdS29k2LF4fj2jd48hW3-7aODX71xp7MDboKZpv96KxD9DadLMfPZL54mo0f58QCK1riViaI4KxbORe8AAGFASYF9VQyrhgLqhROcrCFMqHy3CoKIFkAYUoFEobort_dpfi597nVm7hPTfdSA5VVpRiIskvxPmVTzDn5oHep_jDpqBnVJ4q6p6g7ivqXoqZdCfpS7sLN2qe_6X9aP9pddNA</recordid><startdate>2024</startdate><enddate>2024</enddate><creator>Jiang, Tao</creator><creator>Yao, Yuechao</creator><creator>Wu, Feiyan</creator><creator>Aziz, Iram</creator><creator>Zhang, Wenjing</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>C6C</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>2024</creationdate><title>Fe-Incorporated Metal-Organic Cobalt Hydroxide Toward Efficient Oxygen Evolution Reaction</title><author>Jiang, Tao ; Yao, Yuechao ; Wu, Feiyan ; Aziz, Iram ; Zhang, Wenjing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c314t-dbaf5fdcdbddfe53534a31650e0612811f875d623c48af9e2c803361f35a78363</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Catalysis</topic><topic>Charge transfer</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Cobalt</topic><topic>Electrocatalysts</topic><topic>Electrochemistry</topic><topic>Energy conversion</topic><topic>Energy Systems</topic><topic>Hydrogen production</topic><topic>Iron</topic><topic>Oxygen evolution reactions</topic><topic>Photoelectrons</topic><topic>Physical Chemistry</topic><topic>X ray photoelectron spectroscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jiang, Tao</creatorcontrib><creatorcontrib>Yao, Yuechao</creatorcontrib><creatorcontrib>Wu, Feiyan</creatorcontrib><creatorcontrib>Aziz, Iram</creatorcontrib><creatorcontrib>Zhang, Wenjing</creatorcontrib><collection>SpringerOpen</collection><collection>CrossRef</collection><jtitle>Electrocatalysis</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jiang, Tao</au><au>Yao, Yuechao</au><au>Wu, Feiyan</au><au>Aziz, Iram</au><au>Zhang, Wenjing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fe-Incorporated Metal-Organic Cobalt Hydroxide Toward Efficient Oxygen Evolution Reaction</atitle><jtitle>Electrocatalysis</jtitle><stitle>Electrocatalysis</stitle><date>2024</date><risdate>2024</risdate><volume>15</volume><issue>4</issue><spage>273</spage><epage>280</epage><pages>273-280</pages><issn>1868-2529</issn><eissn>1868-5994</eissn><abstract>Metal-organic cobalt hydroxide emerges as a cost-effective electrocatalyst for the oxygen evolution reaction (OER) in energy conversion. However, the limited active sites and poor conductivity hinder their large-scale application. This study employed salicylate as a bridging ligand to synthesize iron-incorporated metal-organic cobalt hydroxide. The influence of Fe intercalation on Co(OH)(Hsal) (where Hsal denotes
o
-HOC
6
H
4
COO
−
) was investigated using X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). Fe
0.2
Co
0.8
(OH)(Hsal) demonstrates remarkable electrocatalytic activity, displaying an OER overpotential of 298 mV at 10 mA cm
−2
and a Tafel slope of 57.46 mV dec
−1
. This enhancement can be attributed to improved charge transfer kinetics and increased active sites. This work highlights the crucial role of Fe in improving the efficiency of Co-based oxygen-evolving catalysts (OECs) and its potential for boosting efficient hydrogen generation in alkaline environments.
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| fulltext | fulltext |
| identifier | ISSN: 1868-2529 |
| ispartof | Electrocatalysis, 2024, Vol.15 (4), p.273-280 |
| issn | 1868-2529 1868-5994 |
| language | eng |
| recordid | cdi_proquest_journals_3069981357 |
| source | Springer Nature |
| subjects | Catalysis Charge transfer Chemistry Chemistry and Materials Science Cobalt Electrocatalysts Electrochemistry Energy conversion Energy Systems Hydrogen production Iron Oxygen evolution reactions Photoelectrons Physical Chemistry X ray photoelectron spectroscopy |
| title | Fe-Incorporated Metal-Organic Cobalt Hydroxide Toward Efficient Oxygen Evolution Reaction |
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