摘要
This review discusses how halide ion species have been used as charge carriers in both anion rocking-chair and dual-ion battery(DIB)systems.The anion rocking-chair batteries based on fluoride and chloride have emerged over the past decade and are garnering increased research interest due to their large theoretical energy density values and the natural abundance of halide-containing materials.Moreover,DIBs that use halide species as their anionic charge carrier are seen as one of the promising next-generation battery technologies due to their low cost and high working potentials.Although numerous polyatomic anions have been studied as charge carriers,the use of single halide ions(i.e.,F−and Cl−)and metal-based superhalides(e.g.,[MgCl_(3)]−)as anionic charge carriers in DIBs has been considerably less explored.Herein,we provide an overview of some of the key advances and recent progress that has been made with regard to halide ion charge carriers in electrochemical energy storage.We offer our perspectives on the current state of the field and provide a roadmap in hopes that it helps researchers toward making new advances in these promising and emerging areas.
基金
Division of Materials Research,Grant/Award Number:2004636
Division of Chemical,Bioengineering,Environmental,and Transport Systems,Grant/Award Number:1551693。
作者简介
Sean KSandstrom is a PhD student in Prof.Xiulei Ji's lab at Oregon State University.He obtained a BSc degree in Chemistry from Humboldt State University in 2018.Currently,he is researching novel electrochemical energy storage and conversion systems;Xin Chen obtained his BSc and MSc degrees from the China University of Geosciences in 2013 and 2015.He obtained his PhD degree from Huazhong University of Science&Technology in 2019.From August 2019,he has been a postdoctoral scholar at Prof.Xiulei Ji's group;Correspondence:Xiulei Ji,graduated from Jilin University with BSc degree in Chemistry in 2003.He obtained his PhD degree in Materials Chemistry at the University of Waterloo,2009.From 2010 to 2012,he was an NSERC postdoctoral fellow at the University of California,Santa Barbara.He is currently an associate professor of Chemistry at Oregon State University.Email:david.ji@oregonstate.edu。
