Premium
Reversible Aluminum‐Ion Intercalation in Prussian Blue Analogs and Demonstration of a High‐Power Aluminum‐Ion Asymmetric Capacitor
Author(s) -
Li Zheng,
Xiang Kai,
Xing Wenting,
Carter W. Craig,
Chiang YetMing
Publication year - 2015
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201401410
Subject(s) - prussian blue , intercalation (chemistry) , materials science , ion , capacitor , transmission electron microscopy , nanotechnology , electrochemistry , optoelectronics , inorganic chemistry , electrical engineering , electrode , voltage , chemistry , organic chemistry , engineering
Electroanalytical, structural, and microanalytical techniques are combined to demonstrate the first clear and convincing case of electrochemical storage by Al‐ion intercalation in a Prussian blue analog host. In addition, a high power asymmetric capacitor using Al‐ion intercalation is demonstrated. Al, Fe, and Cu elemental maps of intercalated Al 0.18 K 0.02 Cu[Fe(CN) 6 ] 0.7 ·3.7H 2 O obtained by transmission electron microscopy (TEM) energy‐dispersive X‐ray spectroscopy (EDX) area scan are shown.