{"title":"液态有机氢载体HT-PEMFC系统的设计与性能分析","authors":"Qingyun Luo, Sheng Yang","doi":"10.1016/j.applthermaleng.2025.128550","DOIUrl":null,"url":null,"abstract":"<div><div>This study proposes a novel multi-purpose system integrating liquid organic hydrogen carriers with high-temperature proton exchange membrane fuel cells. It innovatively couples the organic Rankine cycle, ammonia vapor compression refrigeration cycle, lithium chloride solution dehumidification cycle, and lithium bromide absorption refrigeration cycle to achieve multifunctional synergy in electricity generation, cooling, humidity control, and hot water supply. Based on Aspen Plus modelling, the system performance was evaluated across three dimensions: thermodynamics, exergy analysis, and uncertainty. Results indicate that under specified operating conditions, the system achieves net electricity efficiency of 41.79%, exergy efficiency of 79.72%, dehumidification rate of 85.1%, and coefficient of performance of 5.31 for the air conditioning and dehumidification system. The overall system energy efficiency stands at 1.6, demonstrating a significant advantage over existing research. In particular, the high-temperature proton exchange membrane fuel cell exhibits the highest exergy loss ratio, accounting for 62.3% of total losses. Uncertainty analysis indicates that among external parameters, fuel input volume exerts the most significant influence on system performance; internally, the exchange current density plays a dominant role. This research breaks through the primary limitation that the integration of liquid organic hydrogen carriers with proton exchange membrane fuel cells has been confined to automotive applications. It expands avenues for the high-value use of liquid organic hydrogen carriers, holding significant engineering application value for advancing the sustainable development of the hydrogen economy.</div></div>","PeriodicalId":8201,"journal":{"name":"Applied Thermal Engineering","volume":"281 ","pages":"Article 128550"},"PeriodicalIF":6.9000,"publicationDate":"2025-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Design and performance analysis of liquid organic hydrogen carriers supply HT-PEMFC systems\",\"authors\":\"Qingyun Luo, Sheng Yang\",\"doi\":\"10.1016/j.applthermaleng.2025.128550\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>This study proposes a novel multi-purpose system integrating liquid organic hydrogen carriers with high-temperature proton exchange membrane fuel cells. It innovatively couples the organic Rankine cycle, ammonia vapor compression refrigeration cycle, lithium chloride solution dehumidification cycle, and lithium bromide absorption refrigeration cycle to achieve multifunctional synergy in electricity generation, cooling, humidity control, and hot water supply. Based on Aspen Plus modelling, the system performance was evaluated across three dimensions: thermodynamics, exergy analysis, and uncertainty. Results indicate that under specified operating conditions, the system achieves net electricity efficiency of 41.79%, exergy efficiency of 79.72%, dehumidification rate of 85.1%, and coefficient of performance of 5.31 for the air conditioning and dehumidification system. The overall system energy efficiency stands at 1.6, demonstrating a significant advantage over existing research. In particular, the high-temperature proton exchange membrane fuel cell exhibits the highest exergy loss ratio, accounting for 62.3% of total losses. Uncertainty analysis indicates that among external parameters, fuel input volume exerts the most significant influence on system performance; internally, the exchange current density plays a dominant role. This research breaks through the primary limitation that the integration of liquid organic hydrogen carriers with proton exchange membrane fuel cells has been confined to automotive applications. It expands avenues for the high-value use of liquid organic hydrogen carriers, holding significant engineering application value for advancing the sustainable development of the hydrogen economy.</div></div>\",\"PeriodicalId\":8201,\"journal\":{\"name\":\"Applied Thermal Engineering\",\"volume\":\"281 \",\"pages\":\"Article 128550\"},\"PeriodicalIF\":6.9000,\"publicationDate\":\"2025-10-02\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Applied Thermal Engineering\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1359431125031424\",\"RegionNum\":2,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"ENERGY & FUELS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Applied Thermal Engineering","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1359431125031424","RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENERGY & FUELS","Score":null,"Total":0}
Design and performance analysis of liquid organic hydrogen carriers supply HT-PEMFC systems
This study proposes a novel multi-purpose system integrating liquid organic hydrogen carriers with high-temperature proton exchange membrane fuel cells. It innovatively couples the organic Rankine cycle, ammonia vapor compression refrigeration cycle, lithium chloride solution dehumidification cycle, and lithium bromide absorption refrigeration cycle to achieve multifunctional synergy in electricity generation, cooling, humidity control, and hot water supply. Based on Aspen Plus modelling, the system performance was evaluated across three dimensions: thermodynamics, exergy analysis, and uncertainty. Results indicate that under specified operating conditions, the system achieves net electricity efficiency of 41.79%, exergy efficiency of 79.72%, dehumidification rate of 85.1%, and coefficient of performance of 5.31 for the air conditioning and dehumidification system. The overall system energy efficiency stands at 1.6, demonstrating a significant advantage over existing research. In particular, the high-temperature proton exchange membrane fuel cell exhibits the highest exergy loss ratio, accounting for 62.3% of total losses. Uncertainty analysis indicates that among external parameters, fuel input volume exerts the most significant influence on system performance; internally, the exchange current density plays a dominant role. This research breaks through the primary limitation that the integration of liquid organic hydrogen carriers with proton exchange membrane fuel cells has been confined to automotive applications. It expands avenues for the high-value use of liquid organic hydrogen carriers, holding significant engineering application value for advancing the sustainable development of the hydrogen economy.
期刊介绍:
Applied Thermal Engineering disseminates novel research related to the design, development and demonstration of components, devices, equipment, technologies and systems involving thermal processes for the production, storage, utilization and conservation of energy, with a focus on engineering application.
The journal publishes high-quality and high-impact Original Research Articles, Review Articles, Short Communications and Letters to the Editor on cutting-edge innovations in research, and recent advances or issues of interest to the thermal engineering community.