Rocking-chair ammonium ion battery with high rate and long-cycle life  

作　　者：Tongkai Wang Xiaojuan Li Shunshun Zhao Hongxia Bu Chuanlin Li Na Li Xixi Zhang Xijin Xu 

机构地区：[1]School of Physics and Technology,University of Jinan,Ji'nan 250022,China [2]State Key Laboratory of Chemical Resource Engineering,Beijing Key Laboratory of Electrochemical Process and Technology of Materials,Beijing University of Chemical Technology,Beijing 100029,China [3]College of Physics and Electronic Engineering,Qilu Normal University,Ji'nan 250200,China

出　　处：《Chinese Chemical Letters》2024年第1期563-567,共5页中国化学快报（英文版）

基　　金：Joint Funds of the National Natural Science Foundation of China(No.U22A20140);the Independent Cultivation Program of Innovation Team of Ji'nan City(No.2019GXRC011);the Natural Science Foundation of Shandong Province,China(No.ZR2021MA073)。

摘　　要：Aqueous rechargeable ammonium-ion batteries(AIBs)have drew considerable attention because of their capacity for high rates,low cost,and high safety.However,developing desired electrodes requiring stable structure in the aqueous fast ammoniation/de-ammoniation becomes urgent.Herein,an ammonium ion full battery using Cu_(3)[Fe(CN)_(6)]_(2)(CuHCF)acting to be a cathode and barium vanadate(BVO)acting to be an anode is described.Its excellent electrochemical behavior of Prussian blue analogs and the perfectly matched lattice structure of NH_(4)^(+)is expected.And the open structure of vanadium compounds satisfies the fast ammoniation/de-ammoniation of NH4+is also achieved.As a result of these synergistic effects,the BVO//CuHCF full cell retains 80.5 percent of its capacity following 1000 cycling.These achievements provide new ideas for developing low-cost and long-life AIBs.

关 键 词：Copper hexacyanoferrate Vanadium-based compounds Aqueous ammonium ion batteries Long-term cyclability Ammonium ion storage mechanism 

分 类 号：TM912[电气工程—电力电子与电力传动] O646[理学—物理化学]