中国科学院金属研究所：闪速退火新策略实现晶圆级弛豫反铁电储能薄膜电容器

Core Insights - The article discusses advancements in dielectric energy storage capacitors, highlighting their applications in high-power electronic devices such as pulse lasers and new energy vehicles due to their high power density, ultra-fast charge and discharge rates, and long cycle life [1] Industry Overview - Dielectric energy storage capacitors face challenges in enhancing temperature stability while maintaining high energy density and efficiency [1] - Current mainstream strategies to improve performance include multiphase composites, chemical doping, and defect engineering to induce relaxor ferroelectric or relaxor antiferroelectric characteristics [1] Technological Innovation - A research team from the Shenyang National Laboratory for Materials Science at the Chinese Academy of Sciences has proposed a novel approach using ultra-fast crystallization to "lock" high-temperature nano ferroelectric/antiferroelectric domains [1] - The team developed a "flash annealing" process with a heating rate of 1000 degrees Celsius per second, successfully crystallizing lead zirconate relaxor antiferroelectric films in just one second [1] Performance Outcomes - The resulting films exhibit excellent energy storage performance and outstanding thermal stability [1] - The findings were published in the journal Science Advances on November 15, 2025, under the title "Flash annealing constructs wafer-scale relaxor antiferroelectric films to enhance energy storage performance" [1]