Since 1987, this joint Pacific Rim international meeting of The Electrochemical Society (ECS), The Electrochemical Society of Japan (ECSJ), and The Korean Electrochemical Society (KECS) has been one of the world’s preeminent meetings on electrochemical and solid state science, and the organizers of PRiME 2024 are pleased to welcome everyone back to Honolulu, HI for this, the ninth gathering of the PRiME!