High-rate and long-life flexible aqueous rechargeable zinc-ion battery enabled by hierarchical core–shell heterostructures
Ziming Xu, Wenyuan Zhang, Xianzhen Wang, Yuxin Li, Jinwen Fu, Yongbao Feng, Wenbin Gong, Jiabin Guo, Pan Xue, Qiulong Li
Abstract
TiN can optimize the conductivity of MnO 2 , while reducing Zn 2+ diffusion barrier and improve the rate performance. The lower formation energy of Zn 2+ insertion endows a capacity retention of 101.6% over 2300 cycles for the TiN@MnO 2 NWAs/CC.
Topics & Concepts
TinHeterojunctionMaterials scienceZincAqueous solutionDiffusionChemical engineeringIonConductivityDiffusion barrierBattery (electricity)Core (optical fiber)NanotechnologyMetallurgyOptoelectronicsChemistryComposite materialLayer (electronics)EngineeringPhysical chemistryOrganic chemistryQuantum mechanicsThermodynamicsPhysicsPower (physics)Advanced battery technologies researchAdvanced Battery Materials and TechnologiesElectrocatalysts for Energy Conversion