What are Solid State Batteries?
Solid state batteries are an emerging battery technology that uses solid electrolytes instead of liquid electrolytes found in conventional lithium-ion batteries. Unlike conventional lithium-ion batteries that use liquid or polymer electrolytes, solid state batteries improve safety and boost energy density by replacing flammable organic liquid electrolytes with inorganic solid electrolytes.

How do they Work?

Conventional lithium-ion batteries consist of a lithium-ion conducting liquid or polymer electrolyte sandwiched between a positively charged cathode and negatively charged anode. During charging and discharging, lithium ions flow through the liquid or polymer electrolyte between the two electrodes.

In Solid State Battery, the liquid or polymer electrolyte is replaced with a solid inorganic material like a ceramic or glass-like electrolyte. The solid electrolyte allows lithium ions to flow between the electrodes while preventing electrical shorts. During charging, lithium ions are extracted from the cathode material and intercalate into the anode. During discharging, the flow of ions is reversed as the battery delivers power.

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