The solid batteriesor solid state batteries, or Solid state battery (SSB) in English is a technology that will contribute to the democratization of electric cars in the coming years. The advantages are numerous: they offer greater autonomy and their service life can exceed 15 years, which will allow an electric car to be used longer than today.

in recharge time also greatly improved: some solid-state batteries can actually be charged to 80% in just a few minutes, significantly reducing idle time at the charging station during long journeys. Solid-state batteries also have an environmental advantage because they carry less heavy metalsand also reduce the risk of fire.

Solid State Batteries: Cheaper to manufacture

Car manufacturers have already invested millions of euros in development of solid-state batterieswhich will allow them to equip their future electric vehicles with lower costs.

Indeed, solid-state batteries are cheaper to manufacture than traditional lithium-ion batteries and allowcarry more energy in an identical space: thus, they allow manufacturers to offer much better autonomy for their electric vehicles without affecting the overall weight of the vehicle.

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Solid state batteries: more power

At the recent Paris Motor Show, ProLogium Technology showcased its latest solid-state battery technology to the public. By using a silicon anode, they offer a higher energy densitywhich will improve the autonomy of electric cars.

While current batteries rarely contain more than 10% silicon in their anodes, ProLogium Technology has developed a method to produce a 100% silicon anode that doubles the energy density built into batteries. This new technology is still under development, but should be launched between 2025 and 2030.

Solid state batteries: technological challenges

Despite all these advantages, solid-state batteries still have few competitors technological challenges which still prevent them from being sold on a large scale. For example, solid-state batteries tend to expand too much, and manufacturers must control the pressure to prevent them from exploding.

Although manufacturers are already announcing lower battery costs thanks to this new technology, analysts remain cautious on the matter: indeed, high demand for metals such as manganese, cobalt, nickel or even iron could drive up prices for these elements. raw materials, and therefore ultimately drive up the prices of solid-state batteries…

If a full charge fails to restore the battery, it must be replaced.

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