Research into electrochemical energy storage sits at the intersection between competing electronic, thermal, chemical, and mechanical forces. Motivated by the pursuit of 3D thin film battery architectures which deliver high power density without sacrificing energy, we have been developing new methodologies and fabrication strategies to study the impact of these forces on actual devices. Here, we will first present predictions of device operation based on continuum level modeling, followed by several experiments that address specific questions of electrochemo-mechanical coupling, interfacial impedances, and other nanoscale phenomena. Finally, we will discuss the consequences for real world operation.
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