Berne solid-state batteries

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4 FAQs about Berne solid-state batteries

What is a solid-state battery (SSB)?

A solid-state battery (SSB) is an electrical battery that uses a solid electrolyte to conduct ions between the electrodes, instead of the liquid or gel polymer electrolytes found in conventional batteries. Theoretically, solid-state batteries offer much higher energy density than the typical lithium-ion or lithium polymer batteries.

What is a solid-state battery?

In 2017, John Goodenough, the co-inventor of Li-ion batteries, unveiled a solid-state glass battery, using a glass electrolyte and an alkali -metal anode consisting of lithium, sodium or potassium. Later that year, Toyota extended its decades-long partnership with Panasonic to include collaboration on solid-state batteries.

What is the difference between lithium ion and solid-state battery energy density?

At a cell level, lithium-ion energy densities are generally below 300Wh/kg while solid-state battery energy densities are able to exceed 350 Wh/kg. This energy density boost is especially beneficial for applications requiring longer-lasting and more compact batteries such as electric vehicles.

How does a solid state battery work?

Solid-state batteries can use metallic lithium for the anode and oxides or sulfides for the cathode, thereby enhancing energy density. The solid electrolyte acts as an ideal separator that allows only lithium ions to pass through.

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