Metal–Organic Framework Derived Carbon Nanotube Grafted Cobalt/Carbon Polyhedra Grown on Nickel Foam: An Efficient 3D Electrode for Full Water Splitting | Zendy

Aijaz Arshad | Zendy; Masa Justus | Zendy; Rösler Christoph | Zendy; Xia Wei | Zendy; Weide Philipp | Zendy; Fischer Roland A. | Zendy; Schuhmann Wolfgang | Zendy; Muhler Martin | Zendy

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Metal–Organic Framework Derived Carbon Nanotube Grafted Cobalt/Carbon Polyhedra Grown on Nickel Foam: An Efficient 3D Electrode for Full Water Splitting

Author(s) -

Aijaz Arshad,

Masa Justus,

Rösler Christoph,

Xia Wei,

Weide Philipp,

Fischer Roland A.,

Schuhmann Wolfgang,

Muhler Martin

Publication year - 2017

Publication title -

chemelectrochem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 59

ISSN - 2196-0216

DOI - 10.1002/celc.201600452

Subject(s) - electrocatalyst , nickel , materials science , cobalt , carbonization , carbon nanotube , carbon fibers , water splitting , metal organic framework , oxygen evolution , chemical engineering , electrolysis , inorganic chemistry , electrolysis of water , electrode , catalysis , nanotechnology , chemistry , composite material , electrochemistry , electrolyte , organic chemistry , metallurgy , photocatalysis , adsorption , composite number , scanning electron microscope , engineering

The growth of metal–organic framework (ZIF‐67) nanocrystals on nickel foam (NF), followed by carbonization in diluted H 2 , leads to a nitrogen‐doped carbon‐nanotube‐grafted cobalt/carbon polyhedra film on NF. The obtained material serves as a highly active binder‐free electrocatalyst for both the oxygen evolution reaction (OER) and the hydrogen evolution reaction (HER), enabling high‐performance alkaline (0.1 m KOH) water electrolysis with potentials of 1.62 and 0.24 V, respectively, at OER and HER current densities of 10 mA cm −2 .

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