Mohamed H. Alkordi , Ahmed B. Soliman , Eman Wahid , Aya Ali , Reham Shams-Eldin , Alexei Nefedov
{"title":"具有特殊容量的高可充电水性锌对苯二酚电池的微孔限制。","authors":"Mohamed H. Alkordi , Ahmed B. Soliman , Eman Wahid , Aya Ali , Reham Shams-Eldin , Alexei Nefedov","doi":"10.1039/d5cc00275c","DOIUrl":null,"url":null,"abstract":"<div><div>A highly rechargeable battery utilizing a zinc anode, aqueous ZnSO<sub>4</sub> electrolyte, and hydroquinone (QH2) cathode is reported. QH2 immobilized within the pores of microporous carbon delivered a high specific capacity (482 mA h g<sup>−1</sup> at 0.5C), approaching the theoretical specific capacity of QH2 (486.8 mA h g<sup>−1</sup>). A high capacity was maintained even after 1000 charge–discharge cycles (99% retention of initial charge capacity), with 99% coulombic efficiency. The environentally green Zn–QH2 battery did not include any heavy or transition metal ions, or corrosive or flammable electrolytes, and utilized abundant and readily available materials.</div></div>","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"61 26","pages":"Pages 4967-4970"},"PeriodicalIF":4.2000,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Micropore confinement for a highly rechargeable aqueous Zn-hydroquinone battery with exceptional capacity†\",\"authors\":\"Mohamed H. Alkordi , Ahmed B. Soliman , Eman Wahid , Aya Ali , Reham Shams-Eldin , Alexei Nefedov\",\"doi\":\"10.1039/d5cc00275c\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>A highly rechargeable battery utilizing a zinc anode, aqueous ZnSO<sub>4</sub> electrolyte, and hydroquinone (QH2) cathode is reported. QH2 immobilized within the pores of microporous carbon delivered a high specific capacity (482 mA h g<sup>−1</sup> at 0.5C), approaching the theoretical specific capacity of QH2 (486.8 mA h g<sup>−1</sup>). A high capacity was maintained even after 1000 charge–discharge cycles (99% retention of initial charge capacity), with 99% coulombic efficiency. The environentally green Zn–QH2 battery did not include any heavy or transition metal ions, or corrosive or flammable electrolytes, and utilized abundant and readily available materials.</div></div>\",\"PeriodicalId\":67,\"journal\":{\"name\":\"Chemical Communications\",\"volume\":\"61 26\",\"pages\":\"Pages 4967-4970\"},\"PeriodicalIF\":4.2000,\"publicationDate\":\"2025-02-03\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Chemical Communications\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://www.sciencedirect.com/org/science/article/pii/S1359734525004203\",\"RegionNum\":2,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Chemical Communications","FirstCategoryId":"92","ListUrlMain":"https://www.sciencedirect.com/org/science/article/pii/S1359734525004203","RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
摘要
报道了一种利用锌阳极、硫酸锌水溶液电解质和对苯二酚(QH2)阴极的高可充电电池。固定在微孔碳孔内的QH2具有较高的比容量(0.5℃时为482 mA h g-1),接近QH2的理论比容量(486.8 mA h g-1)。即使在1000次充放电循环后仍保持高容量(99%保留初始充电容量),库仑效率为99%。绿色环保的锌- qh2电池不含重金属或过渡金属离子,不含腐蚀性或易燃性电解质,利用了丰富易得的材料。
Micropore confinement for a highly rechargeable aqueous Zn-hydroquinone battery with exceptional capacity†
A highly rechargeable battery utilizing a zinc anode, aqueous ZnSO4 electrolyte, and hydroquinone (QH2) cathode is reported. QH2 immobilized within the pores of microporous carbon delivered a high specific capacity (482 mA h g−1 at 0.5C), approaching the theoretical specific capacity of QH2 (486.8 mA h g−1). A high capacity was maintained even after 1000 charge–discharge cycles (99% retention of initial charge capacity), with 99% coulombic efficiency. The environentally green Zn–QH2 battery did not include any heavy or transition metal ions, or corrosive or flammable electrolytes, and utilized abundant and readily available materials.
期刊介绍:
ChemComm (Chemical Communications) is renowned as the fastest publisher of articles providing information on new avenues of research, drawn from all the world''s major areas of chemical research.