Tae Hoon Lee , Seong Mo Yun , Min Jae Kim , Gibeom Kim , Eun Sang Jung , Taek Hyun Oh
{"title":"用于聚合物电解质膜燃料电池系统中甲酸制氢器的、支撑在胺功能介孔氮化石墨碳上的钯纳米催化剂","authors":"Tae Hoon Lee , Seong Mo Yun , Min Jae Kim , Gibeom Kim , Eun Sang Jung , Taek Hyun Oh","doi":"10.1016/j.fuproc.2024.108133","DOIUrl":null,"url":null,"abstract":"<div><div>Pd nanocatalyst supported on amine-functionalized mesoporous graphitic carbon nitride (Pd/NH<sub>2</sub>-mpg-C<sub>3</sub>N<sub>4</sub>) was investigated for dehydrogenation of formic acid. The catalyst was analyzed and tested to investigate the effect of amine functionalization on hydrogen generation from formic acid. Pd nanocatalyst was dispersed uniformly on NH<sub>2</sub>-mpg-C<sub>3</sub>N<sub>4</sub> without agglomeration. The turnover frequency value of Pd/NH<sub>2</sub>-mpg-C<sub>3</sub>N<sub>4</sub> was 1870 h<sup>−1</sup>, which was higher than that of Pd/mpg-C<sub>3</sub>N<sub>4</sub> because of the amine functionalization. The Pd/NH<sub>2</sub>-mpg-C<sub>3</sub>N<sub>4</sub> was also tested to investigate the effect of various reaction conditions (formic acid concentration, sodium formate concentration, and reaction temperature) on hydrogen generation from formic acid. Formic acid concentration negatively affected the catalytic activity, whereas sodium formate concentration positively affected it. Reaction temperature significantly affected the catalytic activity. The apparent activation energy of the Pd/NH<sub>2</sub>-mpg-C<sub>3</sub>N<sub>4</sub> catalyst was 60.7 kJ mol<sup>−1</sup>, and a hydrogen generator with the catalyst exhibited high conversion efficiency at an elevated temperature. Consequently, a hydrogen generator with Pd/NH<sub>2</sub>-mpg-C<sub>3</sub>N<sub>4</sub> is suitable for polymer electrolyte membrane fuel cell systems.</div></div>","PeriodicalId":326,"journal":{"name":"Fuel Processing Technology","volume":"264 ","pages":"Article 108133"},"PeriodicalIF":7.2000,"publicationDate":"2024-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0378382024001036/pdfft?md5=43c2b4624378e152ba4b5400a83de694&pid=1-s2.0-S0378382024001036-main.pdf","citationCount":"0","resultStr":"{\"title\":\"Pd nanocatalyst supported on amine-functionalized mesoporous graphitic carbon nitride for formic acid hydrogen generator in the polymer electrolyte membrane fuel cell system\",\"authors\":\"Tae Hoon Lee , Seong Mo Yun , Min Jae Kim , Gibeom Kim , Eun Sang Jung , Taek Hyun Oh\",\"doi\":\"10.1016/j.fuproc.2024.108133\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>Pd nanocatalyst supported on amine-functionalized mesoporous graphitic carbon nitride (Pd/NH<sub>2</sub>-mpg-C<sub>3</sub>N<sub>4</sub>) was investigated for dehydrogenation of formic acid. The catalyst was analyzed and tested to investigate the effect of amine functionalization on hydrogen generation from formic acid. Pd nanocatalyst was dispersed uniformly on NH<sub>2</sub>-mpg-C<sub>3</sub>N<sub>4</sub> without agglomeration. The turnover frequency value of Pd/NH<sub>2</sub>-mpg-C<sub>3</sub>N<sub>4</sub> was 1870 h<sup>−1</sup>, which was higher than that of Pd/mpg-C<sub>3</sub>N<sub>4</sub> because of the amine functionalization. The Pd/NH<sub>2</sub>-mpg-C<sub>3</sub>N<sub>4</sub> was also tested to investigate the effect of various reaction conditions (formic acid concentration, sodium formate concentration, and reaction temperature) on hydrogen generation from formic acid. Formic acid concentration negatively affected the catalytic activity, whereas sodium formate concentration positively affected it. Reaction temperature significantly affected the catalytic activity. The apparent activation energy of the Pd/NH<sub>2</sub>-mpg-C<sub>3</sub>N<sub>4</sub> catalyst was 60.7 kJ mol<sup>−1</sup>, and a hydrogen generator with the catalyst exhibited high conversion efficiency at an elevated temperature. Consequently, a hydrogen generator with Pd/NH<sub>2</sub>-mpg-C<sub>3</sub>N<sub>4</sub> is suitable for polymer electrolyte membrane fuel cell systems.</div></div>\",\"PeriodicalId\":326,\"journal\":{\"name\":\"Fuel Processing Technology\",\"volume\":\"264 \",\"pages\":\"Article 108133\"},\"PeriodicalIF\":7.2000,\"publicationDate\":\"2024-09-24\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.sciencedirect.com/science/article/pii/S0378382024001036/pdfft?md5=43c2b4624378e152ba4b5400a83de694&pid=1-s2.0-S0378382024001036-main.pdf\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Fuel Processing Technology\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0378382024001036\",\"RegionNum\":2,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"CHEMISTRY, APPLIED\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Fuel Processing Technology","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0378382024001036","RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, APPLIED","Score":null,"Total":0}
Pd nanocatalyst supported on amine-functionalized mesoporous graphitic carbon nitride for formic acid hydrogen generator in the polymer electrolyte membrane fuel cell system
Pd nanocatalyst supported on amine-functionalized mesoporous graphitic carbon nitride (Pd/NH2-mpg-C3N4) was investigated for dehydrogenation of formic acid. The catalyst was analyzed and tested to investigate the effect of amine functionalization on hydrogen generation from formic acid. Pd nanocatalyst was dispersed uniformly on NH2-mpg-C3N4 without agglomeration. The turnover frequency value of Pd/NH2-mpg-C3N4 was 1870 h−1, which was higher than that of Pd/mpg-C3N4 because of the amine functionalization. The Pd/NH2-mpg-C3N4 was also tested to investigate the effect of various reaction conditions (formic acid concentration, sodium formate concentration, and reaction temperature) on hydrogen generation from formic acid. Formic acid concentration negatively affected the catalytic activity, whereas sodium formate concentration positively affected it. Reaction temperature significantly affected the catalytic activity. The apparent activation energy of the Pd/NH2-mpg-C3N4 catalyst was 60.7 kJ mol−1, and a hydrogen generator with the catalyst exhibited high conversion efficiency at an elevated temperature. Consequently, a hydrogen generator with Pd/NH2-mpg-C3N4 is suitable for polymer electrolyte membrane fuel cell systems.
期刊介绍：
Fuel Processing Technology (FPT) deals with the scientific and technological aspects of converting fossil and renewable resources to clean fuels, value-added chemicals, fuel-related advanced carbon materials and by-products. In addition to the traditional non-nuclear fossil fuels, biomass and wastes, papers on the integration of renewables such as solar and wind energy and energy storage into the fuel processing processes, as well as papers on the production and conversion of non-carbon-containing fuels such as hydrogen and ammonia, are also welcome. While chemical conversion is emphasized, papers on advanced physical conversion processes are also considered for publication in FPT. Papers on the fundamental aspects of fuel structure and properties will also be considered.
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