"Solid-state batteries are next-generation rechargeable batteries that use solid electrolytes (the material that carries the electric charge between the battery's anode and cathode), rather than the typical liquid or gel electrolytes used in lithium-ion batteries. The electrolytes in lithium-ion batteries are typically lithium salts dissolved in a cocktail of noxious and flammable organic solvents, whereas in solid-state batteries, various dry ceramics are used. This dry electrolyte is not only non-flammable and significantly safer but also paves the way for batteries with significantly higher energy densities."
"The other day, I reviewed a power bank with a solid-state battery at its core, rather than a lithium-ion battery. Solid-state batteries offer increased energy density, improved safety, and a longer lifespan. To demonstrate the improved safety profile, I opened the power bank and stabbed a screwdriver into a fully charged battery; apart from a few wisps of smoke, nothing happened."
Solid-state batteries use solid electrolytes, typically dry ceramics, replacing liquid or gel electrolytes that contain flammable organic solvents. The dry electrolyte is non-flammable, offering significantly improved safety, higher energy density, faster charging, and more recharge cycles. A puncture test on a fully charged solid-state power bank produced only minimal smoke and no catastrophic failure. Despite advantages, widespread adoption is limited by cost and the lack of established mass-production infrastructure built over decades for lithium-ion batteries, making scaling to billions of units per year a major barrier. Manufacturers need new processes and investment before replacing lithium-ion at scale.
Read at ZDNET
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