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Solid-state batteries


Technology Description

A solid-state battery uses a solid electrode and a solid electrolyte instead of a liquid electrolyte, such as in lithium-ion batteries. Materials being investigated as solid electrolytes include ceramics and solid polymers. A solid-state battery would have a higher energy density than a metal-ion battery using a liquid electrolyte solution, and would be potentially safer (as most liquid electrolytes are non-flammable compared to most liquid electrolytes), but would be more expensive.

Relevance for Net Zero

A higher integration of variable renewable energy will increase the need of flexibility and energy storage. While Li-ion batteries have been largely deployed, issues around costs and a more limited lithium availability, call for alternative battery technologies.

Key Countries

Australia, Germany, United States

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