One step synthesis of Fe4.4Ni17.6Se16 coupled NiSe foam as self-supported, highly efficient and durable oxygen evolution electrode

Sainan Ma; Huiyu Yuan; Lejuan Cai; Xinyu Wang; Hui Long; Yang Chai; Yuen Hong Tsang

doi:10.1016/j.mtchem.2018.05.003

One step synthesis of Fe_4.4Ni_17.6Se₁₆ coupled NiSe foam as self-supported, highly efficient and durable oxygen evolution electrode

Sainan Ma, Huiyu Yuan, Lejuan Cai, Xinyu Wang, Hui Long, Yang Chai, Yuen Hong Tsang

Research output: Journal article publication › Journal article › Academic research › peer-review

11 Citations (Scopus)

Abstract

The development of cost-effective, durable and high-efficient oxygen evolution reaction (OER) electrocatalysts is an extremely critical technology for the large-scale industrial water electrolysis. Here, a new strategy is proposed to significantly enhance the electrocatalytic activity by forming a hybrid electrode of NiSe and Fe_4.4Ni_17.6Se₁₆ through direct selenization of porous iron-nickel (FeNi) alloy foam via thermal selenization process. The obtained self-supported Fe_4.4Ni_17.6Se₁₆/NiSe hybrid (FNS/NiSe) foam displays outstanding durability and remarkable catalytic activity in 1.0 M KOH with low overpotentials of 242 and 282 mV to achieve the current densities of 100 and 500 mA cm⁻², respectively. To the best of our knowledge, it exceeds most of the reported OER electrocatalysts in alkaline electrolytes.

Original language	English
Pages (from-to)	133-139
Number of pages	7
Journal	Materials Today Chemistry
Volume	9
DOIs	https://doi.org/10.1016/j.mtchem.2018.05.003
Publication status	Published - Sept 2018

Keywords

Electrocatalyst
FeNiSe/NiSe hybrid
Heterointerfaces
Oxygen evolution reaction
Thermal selenization

ASJC Scopus subject areas

Catalysis
Electronic, Optical and Magnetic Materials
Biomaterials
Polymers and Plastics
Colloid and Surface Chemistry
Materials Chemistry

More information

10.1016/j.mtchem.2018.05.003

http://hdl.handle.net/10397/100335

Cite this

@article{2c96b17e2b05487dbf92b75af885bc66,

title = "One step synthesis of Fe4.4Ni17.6Se16 coupled NiSe foam as self-supported, highly efficient and durable oxygen evolution electrode",

abstract = "The development of cost-effective, durable and high-efficient oxygen evolution reaction (OER) electrocatalysts is an extremely critical technology for the large-scale industrial water electrolysis. Here, a new strategy is proposed to significantly enhance the electrocatalytic activity by forming a hybrid electrode of NiSe and Fe4.4Ni17.6Se16 through direct selenization of porous iron-nickel (FeNi) alloy foam via thermal selenization process. The obtained self-supported Fe4.4Ni17.6Se16/NiSe hybrid (FNS/NiSe) foam displays outstanding durability and remarkable catalytic activity in 1.0 M KOH with low overpotentials of 242 and 282 mV to achieve the current densities of 100 and 500 mA cm−2, respectively. To the best of our knowledge, it exceeds most of the reported OER electrocatalysts in alkaline electrolytes.",

keywords = "Electrocatalyst, FeNiSe/NiSe hybrid, Heterointerfaces, Oxygen evolution reaction, Thermal selenization",

author = "Sainan Ma and Huiyu Yuan and Lejuan Cai and Xinyu Wang and Hui Long and Yang Chai and Tsang, {Yuen Hong}",

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T1 - One step synthesis of Fe4.4Ni17.6Se16 coupled NiSe foam as self-supported, highly efficient and durable oxygen evolution electrode

AU - Ma, Sainan

AU - Yuan, Huiyu

AU - Cai, Lejuan

AU - Wang, Xinyu

AU - Long, Hui

AU - Chai, Yang

AU - Tsang, Yuen Hong

PY - 2018/9

Y1 - 2018/9

N2 - The development of cost-effective, durable and high-efficient oxygen evolution reaction (OER) electrocatalysts is an extremely critical technology for the large-scale industrial water electrolysis. Here, a new strategy is proposed to significantly enhance the electrocatalytic activity by forming a hybrid electrode of NiSe and Fe4.4Ni17.6Se16 through direct selenization of porous iron-nickel (FeNi) alloy foam via thermal selenization process. The obtained self-supported Fe4.4Ni17.6Se16/NiSe hybrid (FNS/NiSe) foam displays outstanding durability and remarkable catalytic activity in 1.0 M KOH with low overpotentials of 242 and 282 mV to achieve the current densities of 100 and 500 mA cm−2, respectively. To the best of our knowledge, it exceeds most of the reported OER electrocatalysts in alkaline electrolytes.

AB - The development of cost-effective, durable and high-efficient oxygen evolution reaction (OER) electrocatalysts is an extremely critical technology for the large-scale industrial water electrolysis. Here, a new strategy is proposed to significantly enhance the electrocatalytic activity by forming a hybrid electrode of NiSe and Fe4.4Ni17.6Se16 through direct selenization of porous iron-nickel (FeNi) alloy foam via thermal selenization process. The obtained self-supported Fe4.4Ni17.6Se16/NiSe hybrid (FNS/NiSe) foam displays outstanding durability and remarkable catalytic activity in 1.0 M KOH with low overpotentials of 242 and 282 mV to achieve the current densities of 100 and 500 mA cm−2, respectively. To the best of our knowledge, it exceeds most of the reported OER electrocatalysts in alkaline electrolytes.

KW - Electrocatalyst

KW - FeNiSe/NiSe hybrid

KW - Heterointerfaces

KW - Oxygen evolution reaction

KW - Thermal selenization

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DO - 10.1016/j.mtchem.2018.05.003

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