A high-energy-density aqueous zinc–manganese battery with a La–Ca co-doped ε-MnO<sub>2</sub> cathode
Manshu Zhang, Weixing Wu, Jiawei Luo, Haozhe Zhang, Jie Liu, Xiaoqing Liu, Yang-Yi Yang, Xihong Lu
Abstract
A La–Ca co-doping strategy is employed to boost the energy density of ε-MnO<sub>2</sub> cathode. The assembled Zn//ε-MnO<sub>2</sub> battery can achieve an maximum energy of 401.22 W h kg<sup>−1</sup>.
Topics & Concepts
CathodeDopingManganeseBattery (electricity)ZincEnergy densityAqueous solutionMaterials scienceInorganic chemistryChemistryMetallurgyPhysical chemistryOptoelectronicsPhysicsEngineering physicsPower (physics)Quantum mechanicsAdvanced battery technologies researchAdvanced Battery Materials and TechnologiesSupercapacitor Materials and Fabrication