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分散的铜纳米颗粒对基于镍-二氧化铈的低温固体氧化物甲醇燃料电池的影响。

Effects of dispersed copper nanoparticles on Ni-ceria based dry methanol fuelled low temperature solid oxide fuel cells.

作者信息

Jeon Ok Sung, Lee Jin Goo, Ji Yunseong, Lee Sung-Hun, Kwon Ohchan, Kim Jeong Pil, Shul Yong Gun

机构信息

Department of Chemical and Bio-molecular Engineering, Yonsei University 134 Shinchon-dong Seodaemun-gu Seoul 120-749 Republic of Korea

School of Chemistry, University of St Andrews St Andrews, Fife KY16 9ST UK.

出版信息

RSC Adv. 2019 Feb 21;9(11):6320-6327. doi: 10.1039/c8ra07586g. eCollection 2019 Feb 18.

DOI:10.1039/c8ra07586g
PMID:35517288
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9060954/
Abstract

Methanol is an attractive energy source due to its portability and thermodynamic coke resistance by its oxygen content. In order to operate dry methanol fuel low temperature solid oxide fuel cells (LT-SOFCs), it is important to solve the problems of carbon formation and its low performance. In this study, copper impregnation was selected to decrease the carbon deposition and enhance the performance at low temperature. The interaction of copper, ceria and nickel improves CO oxidation capacity which improves coke tolerance and nano-sized nickel copper alloys improved durability and catalytic performance under methanol feed. It markedly amplified the performance about 0.4 W cm at 550 °C with the durable operation at 1.4 A cm over 50 h. Loading copper nanoparticles is promising method for Ni-ceria based LT-SOFC using methanol fuel with high performance and stable operation.

摘要

甲醇因其便携性以及所含氧具有抗热动力学积碳性能，是一种颇具吸引力的能源。为使干甲醇燃料低温固体氧化物燃料电池（LT-SOFCs）运行，解决积碳问题及其性能低下问题至关重要。在本研究中，选择铜浸渍法来减少碳沉积并提高低温性能。铜、二氧化铈和镍之间的相互作用提高了CO氧化能力，从而提高了抗积碳性能，并且纳米尺寸的镍铜合金提高了在甲醇进料条件下的耐久性和催化性能。在550℃时，其性能显著提高了约0.4W/cm²，在1.4A/cm²的电流密度下可持续运行超过50小时。负载铜纳米颗粒对于基于镍-二氧化铈的LT-SOFC使用甲醇燃料实现高性能和稳定运行来说是一种很有前景的方法。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5717/9060954/1bd7a7f82673/c8ra07586g-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5717/9060954/1ea8efcb772b/c8ra07586g-f1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5717/9060954/743d067b1e17/c8ra07586g-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5717/9060954/4d4eb6ed87b6/c8ra07586g-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5717/9060954/9854292122ed/c8ra07586g-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5717/9060954/336d0fd0a91d/c8ra07586g-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5717/9060954/d3acfe947742/c8ra07586g-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5717/9060954/1bd7a7f82673/c8ra07586g-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5717/9060954/1ea8efcb772b/c8ra07586g-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5717/9060954/0df545e5ba8c/c8ra07586g-f2.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5717/9060954/743d067b1e17/c8ra07586g-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5717/9060954/4d4eb6ed87b6/c8ra07586g-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5717/9060954/9854292122ed/c8ra07586g-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5717/9060954/336d0fd0a91d/c8ra07586g-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5717/9060954/d3acfe947742/c8ra07586g-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5717/9060954/1bd7a7f82673/c8ra07586g-f9.jpg

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本文引用的文献

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Nat Commun. 2014 Jun 4;5:4045. doi: 10.1038/ncomms5045.
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