{"title":"氮掺杂多孔碳中钌纳米团簇的固定化及其用于高效肼辅助制氢和锌肼电池","authors":"Jun-Lin Huang, Hao Zhang, Tian-Yi Suo, Joao Cunha, Zhi-Peng Yu, Wen-Yuan Xu, Liang Chen, Zhao-Hui Hou, Hong Yin","doi":"10.1007/s12598-024-03053-5","DOIUrl":null,"url":null,"abstract":"<div><p>Hydrazine-assisted water electrolysis presents a promising and efficient hydrogen production technology. However, developing high-performance hydrazine oxidation reaction (HzOR) and hydrogen evolution reaction (HER) bifunctional catalysts remains challenging. Here, we report a bifunctional electrocatalyst of Ru NCs@NPC, embedding the ultrafine Ru nanoclusters into N-doped porous carbon via microwave reduction. Due to the ultrafine Ru nanoclusters and N doping, the composite exhibits exceptional activity for both HER and HzOR, requiring −55 and −67 mV to reach 10 mA·cm<sup>−2</sup> in alkaline media. In the overall hydrazine splitting (OHzS) system, Ru NCs@NPC is used as both anode and cathode materials, achieving 10 mA·cm<sup>−2</sup> only at 0.036 V. The zinc hydrazine (Zn–Hz) battery assembled with Ru NCs@NPC cathode and Zn foil anode can provide a stable voltage of 0.4 V and exhibit 98.5% energy efficiency. Therefore, integrating Zn–Hz battery with OHzS system enables self-powered H<sub>2</sub> evolution. The density function theory calculations reveal that the Ru–N bond increases the metal–support interaction, </p></div>","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":"44 4","pages":"2502 - 2512"},"PeriodicalIF":9.6000,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Ru nanoclusters immobilized in N-doped porous carbon for efficient hydrazine-assisted hydrogen production and Zn–hydrazine battery\",\"authors\":\"Jun-Lin Huang, Hao Zhang, Tian-Yi Suo, Joao Cunha, Zhi-Peng Yu, Wen-Yuan Xu, Liang Chen, Zhao-Hui Hou, Hong Yin\",\"doi\":\"10.1007/s12598-024-03053-5\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Hydrazine-assisted water electrolysis presents a promising and efficient hydrogen production technology. However, developing high-performance hydrazine oxidation reaction (HzOR) and hydrogen evolution reaction (HER) bifunctional catalysts remains challenging. Here, we report a bifunctional electrocatalyst of Ru NCs@NPC, embedding the ultrafine Ru nanoclusters into N-doped porous carbon via microwave reduction. Due to the ultrafine Ru nanoclusters and N doping, the composite exhibits exceptional activity for both HER and HzOR, requiring −55 and −67 mV to reach 10 mA·cm<sup>−2</sup> in alkaline media. In the overall hydrazine splitting (OHzS) system, Ru NCs@NPC is used as both anode and cathode materials, achieving 10 mA·cm<sup>−2</sup> only at 0.036 V. The zinc hydrazine (Zn–Hz) battery assembled with Ru NCs@NPC cathode and Zn foil anode can provide a stable voltage of 0.4 V and exhibit 98.5% energy efficiency. Therefore, integrating Zn–Hz battery with OHzS system enables self-powered H<sub>2</sub> evolution. The density function theory calculations reveal that the Ru–N bond increases the metal–support interaction, </p></div>\",\"PeriodicalId\":749,\"journal\":{\"name\":\"Rare Metals\",\"volume\":\"44 4\",\"pages\":\"2502 - 2512\"},\"PeriodicalIF\":9.6000,\"publicationDate\":\"2025-01-23\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Rare Metals\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s12598-024-03053-5\",\"RegionNum\":1,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"MATERIALS SCIENCE, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Rare Metals","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.1007/s12598-024-03053-5","RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
Ru nanoclusters immobilized in N-doped porous carbon for efficient hydrazine-assisted hydrogen production and Zn–hydrazine battery
Hydrazine-assisted water electrolysis presents a promising and efficient hydrogen production technology. However, developing high-performance hydrazine oxidation reaction (HzOR) and hydrogen evolution reaction (HER) bifunctional catalysts remains challenging. Here, we report a bifunctional electrocatalyst of Ru NCs@NPC, embedding the ultrafine Ru nanoclusters into N-doped porous carbon via microwave reduction. Due to the ultrafine Ru nanoclusters and N doping, the composite exhibits exceptional activity for both HER and HzOR, requiring −55 and −67 mV to reach 10 mA·cm−2 in alkaline media. In the overall hydrazine splitting (OHzS) system, Ru NCs@NPC is used as both anode and cathode materials, achieving 10 mA·cm−2 only at 0.036 V. The zinc hydrazine (Zn–Hz) battery assembled with Ru NCs@NPC cathode and Zn foil anode can provide a stable voltage of 0.4 V and exhibit 98.5% energy efficiency. Therefore, integrating Zn–Hz battery with OHzS system enables self-powered H2 evolution. The density function theory calculations reveal that the Ru–N bond increases the metal–support interaction,
期刊介绍：
Rare Metals is a monthly peer-reviewed journal published by the Nonferrous Metals Society of China. It serves as a platform for engineers and scientists to communicate and disseminate original research articles in the field of rare metals. The journal focuses on a wide range of topics including metallurgy, processing, and determination of rare metals. Additionally, it showcases the application of rare metals in advanced materials such as superconductors, semiconductors, composites, and ceramics.
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