Synergistic catalytic effects of MoO2 and Vulcan carbon on the oxygen reduction reaction

Liu Weikai; Cai Jiannan; Huang Baohua; Zhang Xiaofeng; Lin Shen

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Synergistic catalytic effects of MoO2 and Vulcan carbon on the oxygen reduction reaction

机译：MOO2和Vulcan碳对氧还原反应的协同催化作用

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Developing low-cost and highly efficient non-platinum catalysts for the oxygen reduction reaction (ORR) is crucial for fuel cells. Transition metal oxide/carbon materials are important non-noble metal catalysts, and have become the focus of researchers. Herein, we report a simple one-step hydrothermal synthesis of an MoO2/C composite using Vulcan XC-72R as a support. The MoO2/C composite exhibits commendable catalytic activity for the ORR via a quasi-four-electron pathway. Compared with pure MoO2 and Vulcan XC-72R, the catalytic performance of MoO2/C composites for the ORR has been significantly improved and is very close to that of commercial Pt/C. Moreover, their methanol resistance, electron transport capacity, and electrochemical stability are superior to commercial Pt/C.

机译：开发用于氧还原反应（ORR）的低成本高效非铂催化剂对燃料电池至关重要。过渡金属氧化物/碳材料是重要的非贵金属催化剂，已成为研究者关注的焦点。在此，我们报道了一种简单的一步水热合成MoO2/C复合材料，使用Vulcan XC-72R作为载体。MoO2/C复合材料通过准四电子途径对ORR具有良好的催化活性。与纯MoO2和Vulcan XC-72R相比，MoO2/C复合材料对ORR的催化性能显著提高，与商用Pt/C非常接近。此外，它们的耐甲醇性、电子传输能力和电化学稳定性均优于商用Pt/C。

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来源
《New Journal of Chemistry》 |2021年第5期|共6页
作者
Liu Weikai; Cai Jiannan; Huang Baohua; Zhang Xiaofeng; Lin Shen;
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Fujian Normal Univ Coll Chem &

Mat Sci Fuzhou 350007 Fujian Peoples R China;

Fujian Normal Univ Coll Chem &

Mat Sci Fuzhou 350007 Fujian Peoples R China;

Fujian Normal Univ Coll Chem &

Mat Sci Fuzhou 350007 Fujian Peoples R China;

Fujian Normal Univ Coll Chem &

Mat Sci Fuzhou 350007 Fujian Peoples R China;

Fujian Normal Univ Coll Chem &

Mat Sci Fuzhou 350007 Fujian Peoples R China;

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正文语种 eng
中图分类化学;
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Synergistic catalytic effects of MoO2 and Vulcan carbon on the oxygen reduction reaction

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