Amid frequent safety incidents involving new energy vehicles, polysilazane (PSZ) is gaining traction as a novel inorganic ceramic coating material. Its extreme high-temperature stability (>1000°C) and superior electrical insulation make it an "ultimate safeguard" against thermal runaway in power batteries. Leading companies like CATL and BYD are accelerating R&D in PSZ coating technology. Applied to battery cell separators or electrode surfaces, it effectively prevents thermal propagation. Industry analysts note that as solid-state batteries approach commercialization, PSZ shows immense potential in solving interface stability challenges. The market is projected to exceed ¥2 billion (approx. $275 million) by 2025. This "invisible armor" technology is rapidly transitioning from labs to mass production.
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