Electrolyte design implications of ion-pairing in low-temperature Li metal batteries
John Holoubek, Kangwoon Kim, Yijie Yin, Zhaohui Wu, Haodong Liu, Mingqian Li, Amanda A. Chen, Hongpeng Gao, Guorui Cai, Tod A. Pascal, Ping Liu, Zheng Chen
Abstract
The reversibility of Li metal batteries suffers beneath 0 °C due to a heightened charge-transfer barrier. Herein, the introduction of ion-pairs within the electrolyte is shown to improve this behavior, enabling hundreds of cycles down to −40 °C.
Topics & Concepts
ElectrolytePairingIonMetalMaterials scienceCharge (physics)Chemical physicsChemistryElectrodeMetallurgyCondensed matter physicsPhysicsPhysical chemistryOrganic chemistryQuantum mechanicsSuperconductivityAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced battery technologies research