Advancements in Battery Materials

Lithium-ion batteries power everything from smartphones to electric vehicles by shuttling lithium ions between two electrodes—an anode and a cathode—through a liquid electrolyte, and the chemical identity and physical structure of those electrode materials largely determine how much energy a battery can store, how quickly it can charge, and how long it lasts before degrading. Researchers are working to move beyond conventional graphite anodes and lithium cobalt oxide cathodes by engineering nanostructured alternatives—such as silicon-based anodes and high-nickel layered oxides—that offer substantially higher capacity but tend to crack, swell, or lose stability over repeated charge cycles. A central open question is how to design materials and coatings that accommodate these mechanical and chemical stresses without sacrificing safety or cycle life at commercial scale. Parallel efforts focus on understanding the electrochemical reactions at electrode surfaces well enough to predict and extend performance, with techniques ranging from atomic-scale imaging to machine-learning-assisted materials discovery guiding the search for the next generation of rechargeable battery chemistries.

Works

199,677

Total citations

6,862,156

Keywords

Lithium-ion BatteriesBattery MaterialsEnergy StorageNanostructured AnodesCathode MaterialsElectrochemical Performance