DataVXACS Applied Energy MaterialsPaper
journal article·2020-09-28

Low-Temperature Liquid Phase Synthesis of Flower-like NiCo2O4 for High-Efficiency Methanol Electro-oxidation

Yawei Yu, Bingqian Yang, Yunlei Wang, Xiaodong Shen, Xiulan Hu

ACS Applied Energy Materials· Volume 3· Issue 9
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Source abstract

Abstract

As a multifunctional spinel oxide, NiCo2O4 has been extensively applied in the field of electrochemistry. In this work, a simple liquid phase precipitation method was presented for the preparation of flower-like NiCo2O4 at a low temperature without any surfactant. The obtained flower-like NiCo2O4 with a large surface area of 110.4 m2 g–1 exhibits a much higher methanol electro-oxidation current of 148 mA cm–2 at 0.6 V (vs. Hg/HgO), compared to those of Co3O4 (19.1 mA cm–2) and NiO (47.6 mA cm–2) synthesized via the same procedure. After examination by chronoamperometry at 0.6 V for 1200 s, the NiCo2O4 retains a high current density of 103 mA cm–2. The high catalytic activity suggested the application prospect of the flower-like NiCo2O4 in the energy field and the advanced nature of the simple liquid phase precipitation method.
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Research context

Catalysis & surfaces

OpenAlex topics: Electrocatalysts for Energy Conversion · Advanced battery technologies research · Electrochemical Analysis and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Materials Science and Engineering, Nanjing Tech University, Puzhu South Road No. 30, 211816 Nanjing, Jiangsu China

The Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Puzhu South Road No. 30, 211816 Nanjing, Jiangsu China

Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Puzhu South Road No. 30, 211816, Nanjing, Jiangsu China

Funding

National Natural Science Foundation of China · Priority Academic Program Development of Jiangsu Higher Education Institutions · Jiangsu Higher Education Institutions

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