Measurement of Volume Changes and Associated Stresses in Ge Electrodes Due to Na/Na${}^{+}$ Redox Reactions

Subhajit Rakshit, Akshay S. Pakhare, Olivia Ruiz +5

In situ electrochemical cells were assembled with an amorphous germanium (a-Ge) film as working electrode and sodium foil as reference and counter electrode. The stresses generated…