Li-ion batteries are ubiquitous; powering our cell phones, tablets, and laptop computers. Yet, we’ve almost exclusively relied on materials that adopt the same ordered rock salt structure type for over 20 years. What makes these materials so special and why is it so hard to move beyond them? This talk will present work our group has done to create a deeper understanding of the fundamental materials criterion required to move Li-ions through densely packed solids and outline new design principles for the development of next-generation intercalation hosts. Special attention will be paid to how changes to ionocovalent character of the chemical bonding can influence the mobility of not only the alkali ions, but also the redox-active transition metal centers.

Ions, electrons, and phonons: On the movement of charge through solids

ACS Spring Meeting 2021

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