Arumugam Manthiram is a materials scientist whose research has helped advance modern battery technology. Working with John Goodenough at The University of Texas at Austin, he contributed to the development of cathode materials that improved the performance, stability, and energy density of lithium-ion batteries. His work has supported the widespread adoption of portable electronics, electric vehicles, and renewable energy storage systems. As director of the Texas Materials Institute, Manthiram has remained a leading figure in materials science and energy research.