NiFe Layered Double Hydroxide Electrocatalyst Prepared via an Electrochemical Deposition Method for the Oxygen Evolution Reaction

被引：19

作者：

Kumar, Murugesan Praveen ^{[1
]}

Sasikumar, Moorthy ^{[2
]}

Arulraj, Arunachalam ^{[1
,3
]}

Rajasudha, Venugopalan ^{[4
]}

Murugadoss, Govindhasamy ^{[5
]}

Kumar, Manavalan Rajesh ^{[6
]}

Peera, Shaik Gouse ^{[7
]}

Mangalaraja, Ramalinga Viswanathan ^{[1
]}

机构：

[1] Adolfo Ibanez Univ, Fac Engn & Sci, Diagonal Torres 2640, Santiago 7941169, Chile

[2] Bishop Heber Coll, Dept Phys, Thiruchirapalli 620023, Tamil Nadu, India

[3] Univ Atacama, Fac Ciencias Nat, Dept Fis, Av Copayapu 485, Copiapo 1531772, Chile

[4] Annai Vailankanni Arts & Sci Coll, Dept Chem, Thanjavur 613007, Tamil Nadu, India

[5] Sathyabama Inst Sci & Technol, Ctr Nanosci & Nanotechnol, Chennai 600119, Tamil Nadu, India

[6] Ural Fed Univ, Inst Nat Sci & Math, Ekaterinburg 620002, Russia

[7] Keimyung Univ, Dept Environm Sci, 1095 Dalgubeol Daero, Daegu 42601, South Korea

来源：

CATALYSTS | 2022年 / 12卷 / 11期

基金：

新加坡国家研究基金会;

关键词：

OER; NiFe-LDH electrocatalyst; electrochemical deposition; (Oxy)hydroxides phases; long-time stability; HYDROGEN EVOLUTION; IRON; NANOPARTICLES; CATALYSTS; COMPOSITE; ALLOY;

D O I：

10.3390/catal12111470

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Herein, we aimed to obtain NiFe layered double hydroxide (LDH) with a controlled phase and surface morphology as a highly active and stable oxygen evolution catalyst via the electrochemical deposition method, which was thermodynamically stable for the oxygen evolution reaction (OER) in an alkaline medium. The NiFe-LDH sample was analyzed by sophisticated instruments and tested as an electrocatalyst on Toray carbon (TC). The NiFe-LDH electrocatalyst showed an excellent performance with lower overpotential of 0.27 V at 35 mA cm(-2) and higher density of 125 mA cm(-2) for OER in the 1 M KOH electrolyte solution. Moreover, the prepared catalyst exhibited unpredictable long-time stability for 700 h. From our knowledge, NiFe-LDH is a robust highly stable electrocatalyst compared to the recent reports.

引用

页数：12

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