Why have solid-state batteries become the strategic core of modern energy storage infrastructure? Having devoted over a decade to research in the field of solid-state battery and serving as the R&D Director of MegSolid (Hong Kong) Limited, I have witnessed the global energy storage industry evolve from a production-capacity-oriented market to a reliability-oriented one. In the past, purchasers basically focused on only one issue during procurement: How many kilowatt-hours of