MgO-template synthesis of hollow N/O dual-doped carbon boxes as extremely stable anodes for potassium-ion batteries
Jianding Li, Yun Zheng, Wei Chen, Wenshuai Zhu, Yongyang Zhu, Huajun Zhao, Xiaozhi Bao, Liqing He, Linfeng Zhang
Abstract
H-NOCBs exhibit superior cycling stability with the retained capacities of 178.8 mA h g −1 (500 mA g −1 ) and 123.3 mA h g −1 (1000 mA g −1 ) after 2500 and 10 000 cycles, respectively, demonstrating extremely stable performance for potassium ion storage.
Topics & Concepts
PotassiumAnodeIonCarbon fibersMaterials scienceDopingChemistryNuclear chemistryMetallurgyElectrodeComposite materialOrganic chemistryOptoelectronicsPhysical chemistryComposite numberAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced Battery Technologies Research