Taiyo Yuden has miniature solid-state lithium-ion batteries

Outwardly, they look like multilayer ceramic capacitors designed for surface mounting
Japanese company Taiyo Yuden, once specialized in the production of optical media, but left the market in 2015, announced the development of solid-state lithium-ion batteries.

Unlike conventional lithium-ion batteries, solid state batteries do not have liquid electrolyte. Taiyo Yuden specialists used technologies borrowed from, inter alia, multilayer ceramic capacitors. This, in particular, allows the manufacture of miniature batteries. A standard range of sizes was chosen for them – from 4532 (4.5 x 3.2 x 3.2 mm) to 1005 (1.0 x 0.5 x 0.5 mm).

According to the manufacturer, the solid-state battery does not react with water vapor and carbon dioxide contained in the air, and cannot catch fire.

Deliveries of familiarization samples of new batteries will begin in 2020, and the manufacturer expects to start mass production in 2021.

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