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用于质子交换膜燃料电池的聚苯胺基铂电催化剂。

Polyaniline Based Pt-Electrocatalyst for a Proton Exchanged Membrane Fuel Cell.

作者信息

Huang Wen-Yao, Chang Mei-Ying, Wang Yen-Zen, Huang Yu-Chang, Ho Ko-Shan, Hsieh Tar-Hwa, Kuo Yu-Chun

机构信息

Department of Photonics, National Sun Yat-sen University, 70 Lienhai Rd., Kaohsiung 80424, Taiwan.

Department of Chemical and Materials Engineering, National Yun-Lin University of Science and Technology, 123 University Road, Section 3,Douliou, Yunlin 64002, Taiwan.

出版信息

Polymers (Basel). 2020 Mar 8;12(3):617. doi: 10.3390/polym12030617.

DOI:10.3390/polym12030617
PMID:32182689
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7182897/
Abstract

Calcination reduction reaction is used to prepare Pt/EB (emeraldine base)-XC72 (Vulcan carbon black) composites as the cathode material of a proton exchange membrane fuel cell (PEMFC). The EB-XC72 core-shell composite obtained from directly polymerizing aniline on XC72 particles is able to chelate and capture the Pt-ions before calcination. X-ray diffraction spectra demonstrate Pt particles are successfully obtained on the EB-XC72 when the calcined temperature is higher than 600 °C. Micrographs of TEM and SEM illustrate the affluent, Pt nanoparticles are uniformly distributed on EB-XC72 at 800 °C (Pt/EB-XC72/800). More Pt is deposited on Pt/EB-XC72 composite as temperatures are higher than 600 °C. The Pt/EB-XC72/800 catalyst demonstrates typical type of a cyclic voltammograms (C-V) curve of a Pt-catalyst with clear Pt-H oxidation and Pt-O reduction peaks. The highest number of transferred electrons during ORR approaches 3.88 for Pt/EB-XC72/800. The maximum power density of the single cell based on Pt/EB-XC72/800 reaches 550 mW cm.

摘要

采用煅烧还原反应制备Pt/EB（导电聚苯胺）-XC72（科琴黑）复合材料作为质子交换膜燃料电池（PEMFC）的阴极材料。通过在XC72颗粒上直接聚合苯胺得到的EB-XC72核壳复合材料能够在煅烧前螯合并捕获Pt离子。X射线衍射光谱表明，当煅烧温度高于600℃时，在EB-XC72上成功获得了Pt颗粒。透射电子显微镜（TEM）和扫描电子显微镜（SEM）照片显示，在800℃时（Pt/EB-XC72/800），丰富的Pt纳米颗粒均匀分布在EB-XC72上。当温度高于600℃时，更多的Pt沉积在Pt/EB-XC72复合材料上。Pt/EB-XC72/800催化剂显示出典型的Pt催化剂循环伏安图（C-V）曲线，具有清晰的Pt-H氧化峰和Pt-O还原峰。对于Pt/EB-XC72/800，氧还原反应（ORR）过程中转移电子的最高数量接近3.88。基于Pt/EB-XC72/800的单电池最大功率密度达到550 mW/cm² 。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/54347782cb5d/polymers-12-00617-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/6fc4da44452a/polymers-12-00617-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/31cec2bd61bc/polymers-12-00617-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/f94067442207/polymers-12-00617-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/08000955837e/polymers-12-00617-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/a97d05837a6b/polymers-12-00617-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/694d59147955/polymers-12-00617-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/b1569f8eb60d/polymers-12-00617-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/73036e1f6713/polymers-12-00617-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/47a3a31630ba/polymers-12-00617-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/68d7af60e2c1/polymers-12-00617-sch003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/a4311175edc3/polymers-12-00617-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/54347782cb5d/polymers-12-00617-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/6fc4da44452a/polymers-12-00617-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/31cec2bd61bc/polymers-12-00617-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/f94067442207/polymers-12-00617-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/08000955837e/polymers-12-00617-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/a97d05837a6b/polymers-12-00617-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/694d59147955/polymers-12-00617-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/b1569f8eb60d/polymers-12-00617-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/73036e1f6713/polymers-12-00617-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/47a3a31630ba/polymers-12-00617-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/68d7af60e2c1/polymers-12-00617-sch003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/a4311175edc3/polymers-12-00617-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5178/7182897/54347782cb5d/polymers-12-00617-g009.jpg

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