Cell Design and Materials: Solid-State
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Why Solid-state Battery Technology Solid-State Battery: Represent a high-impact but high-complexity transition requiring coordinated advances in materials, interfaces, and manufacturing. Demand Drivers:
Applications: Growing demand for compact, safe, high-energy batteries across EVs, consumer electronics, etc
Safety: Reduced flammability risk relative to liquid electrolytes; improved mechanical robustness
Energy Density: Theoretical potential for >400 Wh/kg enabled by lithium-metal anodes (architecture-dependent) Key Challenges:
Interface stability: Chemical reactions, void formation, and impedance growth at solid–solid interfaces
Manufacturability: Scaling defect-free thin films and multilayer stacks with dry processing and lamination
Cost: High purity precursor requirements and complex processing remain cost barriers
Source: Liu, Y., Huang, Y., Li, H., Peng, Z., & Zhang, H. Journal of Power Sources, 2025
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