A powerful in situ NMR capability for lithium battery research will be described first, followed by examples of applications on Li-Ge, Li-metal and Li-S battery systems. It will be shown that some electrochemical processes, i.e., the reaction intermediates, can only be observed in situ, i.e., with the wires and current applied to a real word functioning battery. Ex situ results will also be shown to highlight the unique advantages of conducting 6Li, 17O and 25Mg NMR at ultra-high field of 850 MHz for obtaining the detailed chemical compositions in the cycled electrodes and the solvation structures of ions in electrolytes.

In situ and ex situ NMR for battery research

254th National Meeting (2017)

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