An ultralow-temperature aqueous zinc-ion battery
Tianjiang Sun, Xuming Yuan, Ke Wang, Shibing Zheng, Jinqing Shi, Qiu Zhang, Wensheng Cai, Jing Liang, Zhanliang Tao
Abstract
A low-temperature aqueous zinc-ion battery is developed based on 4 M Zn(BF<sub>4</sub>)<sub>2</sub> electrolyte with a low freezing point of −122 °C. The constructed Zn//TCBQ battery can be operated even at −95 °C and achieves a high discharge capacity of 63.5 mA h g<sup>−1</sup>.
Topics & Concepts
Battery (electricity)Aqueous solutionZincElectrolyteIonElectrochemistryMaterials scienceInorganic chemistryFreezing pointChemistryAnalytical Chemistry (journal)MetallurgyPhysicsElectrodePhysical chemistryEnvironmental chemistryThermodynamicsOrganic chemistryPower (physics)Advanced battery technologies researchPerovskite Materials and ApplicationsAdvanced Battery Materials and Technologies