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Graphene Builds a Better Battery
Caltech researchers from campus and JPL have collaborated to devise a method for coating lithium-ion battery cathodes with graphene, extending the life and performance of these widely used rechargeable batteries.
Caltech senior research scientist David Boyd has worked over the past decade to develop techniques for manufacturing graphene, a one-atom thick layer of carbon that is incredibly strong and conducts electricity more readily than materials such as silicon. The paper detailing this research is titled "Suppression of Transition Metal Dissolution in Mn-Rich Layered Oxide Cathodes with Graphene Nanocomposite Dry Coatings" and was published on November 1, 2024, in the Journal of The Electrochemical Society. Co-authors include Boyd; Fultz; Cullen M. Quine (PhD '23); Caltech staff research scientist Channing Ahn; and West and Jasmina Pasalic at JPL.
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