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Understanding Electrochemical Cation Insertion into Prussian Blue from Electrode Deformation and Mass Changes...

Publication Type
Journal
Journal Name
Chemical Communications
Publication Date
Page Numbers
6744 to 6747
Volume
57
Issue
55

Alkali ion insertion into Prussian blue from aqueous electrolytes is characterized with operando AFM and EQCM, showing coupling of current with deformation and mass change rates. Stable cycling occurs only with K+, attributed to its lower hydration energy. The (de)insertion of K+ results in reversible deformation even in the open framework structure.