Anchoring CoS nanowires on NiCoO nanosheet arrays as high-performance electrocatalyst for hydrogen and oxygen evolution
The development of catalysts which can substitute expensive metals to efficiently split water is currently a hot research topic. Here, a multi-layered NF/NiCo 2 O 4 /Co 3 S 4 nanocomposite was prepared on 3D porous nickel foam by hydrothermal and annealing processes. The electrode is a multi-layered...
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| Veröffentlicht in: | Dalton transactions : an international journal of inorganic chemistry 2022-09, Vol.51 (37), p.14323-14328 |
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| container_issue | 37 |
| container_start_page | 14323 |
| container_title | Dalton transactions : an international journal of inorganic chemistry |
| container_volume | 51 |
| creator | Wei, Hao Jiu, Hongfang Che, Sicong Wang, Congli Guo, Zhixin Han, Yuxin Qin, Yaqi Zhang, Lixin |
| description | The development of catalysts which can substitute expensive metals to efficiently split water is currently a hot research topic. Here, a multi-layered NF/NiCo
2
O
4
/Co
3
S
4
nanocomposite was prepared on 3D porous nickel foam by hydrothermal and annealing processes. The electrode is a multi-layered, highly conductive and high specific surface area network without a binder, which facilitates electron transport and exposure of active sites, enhances full contact of the electrolyte/electrode interface, and accelerates H
2
and O
2
diffusion during water electrolysis. As expected, NF/NiCo
2
O
4
/Co
3
S
4
exhibits surprising electrocatalytic activity, and only required 71 and 170 mV to reach 10 mA cm
−2
in the hydrogen and oxygen evolution reactions, respectively, and exhibited stability up to 36 h. This strategy provides an efficient, durable, and low-cost bifunctional catalyst.
The NF/NiCo
2
O
4
/Co
3
S
4
exhibits surprising electrocatalytic activity. |
| doi_str_mv | 10.1039/d2dt00639a |
| format | Article |
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2
O
4
/Co
3
S
4
nanocomposite was prepared on 3D porous nickel foam by hydrothermal and annealing processes. The electrode is a multi-layered, highly conductive and high specific surface area network without a binder, which facilitates electron transport and exposure of active sites, enhances full contact of the electrolyte/electrode interface, and accelerates H
2
and O
2
diffusion during water electrolysis. As expected, NF/NiCo
2
O
4
/Co
3
S
4
exhibits surprising electrocatalytic activity, and only required 71 and 170 mV to reach 10 mA cm
−2
in the hydrogen and oxygen evolution reactions, respectively, and exhibited stability up to 36 h. This strategy provides an efficient, durable, and low-cost bifunctional catalyst.
The NF/NiCo
2
O
4
/Co
3
S
4
exhibits surprising electrocatalytic activity.</description><identifier>ISSN: 1477-9226</identifier><identifier>EISSN: 1477-9234</identifier><identifier>DOI: 10.1039/d2dt00639a</identifier><ispartof>Dalton transactions : an international journal of inorganic chemistry, 2022-09, Vol.51 (37), p.14323-14328</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Wei, Hao</creatorcontrib><creatorcontrib>Jiu, Hongfang</creatorcontrib><creatorcontrib>Che, Sicong</creatorcontrib><creatorcontrib>Wang, Congli</creatorcontrib><creatorcontrib>Guo, Zhixin</creatorcontrib><creatorcontrib>Han, Yuxin</creatorcontrib><creatorcontrib>Qin, Yaqi</creatorcontrib><creatorcontrib>Zhang, Lixin</creatorcontrib><title>Anchoring CoS nanowires on NiCoO nanosheet arrays as high-performance electrocatalyst for hydrogen and oxygen evolution</title><title>Dalton transactions : an international journal of inorganic chemistry</title><description>The development of catalysts which can substitute expensive metals to efficiently split water is currently a hot research topic. Here, a multi-layered NF/NiCo
2
O
4
/Co
3
S
4
nanocomposite was prepared on 3D porous nickel foam by hydrothermal and annealing processes. The electrode is a multi-layered, highly conductive and high specific surface area network without a binder, which facilitates electron transport and exposure of active sites, enhances full contact of the electrolyte/electrode interface, and accelerates H
2
and O
2
diffusion during water electrolysis. As expected, NF/NiCo
2
O
4
/Co
3
S
4
exhibits surprising electrocatalytic activity, and only required 71 and 170 mV to reach 10 mA cm
−2
in the hydrogen and oxygen evolution reactions, respectively, and exhibited stability up to 36 h. This strategy provides an efficient, durable, and low-cost bifunctional catalyst.
The NF/NiCo
2
O
4
/Co
3
S
4
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2
O
4
/Co
3
S
4
nanocomposite was prepared on 3D porous nickel foam by hydrothermal and annealing processes. The electrode is a multi-layered, highly conductive and high specific surface area network without a binder, which facilitates electron transport and exposure of active sites, enhances full contact of the electrolyte/electrode interface, and accelerates H
2
and O
2
diffusion during water electrolysis. As expected, NF/NiCo
2
O
4
/Co
3
S
4
exhibits surprising electrocatalytic activity, and only required 71 and 170 mV to reach 10 mA cm
−2
in the hydrogen and oxygen evolution reactions, respectively, and exhibited stability up to 36 h. This strategy provides an efficient, durable, and low-cost bifunctional catalyst.
The NF/NiCo
2
O
4
/Co
3
S
4
exhibits surprising electrocatalytic activity.</abstract><doi>10.1039/d2dt00639a</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1477-9226 |
| ispartof | Dalton transactions : an international journal of inorganic chemistry, 2022-09, Vol.51 (37), p.14323-14328 |
| issn | 1477-9226 1477-9234 |
| language | |
| recordid | cdi_rsc_primary_d2dt00639a |
| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| title | Anchoring CoS nanowires on NiCoO nanosheet arrays as high-performance electrocatalyst for hydrogen and oxygen evolution |
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