The Next Generation of Batteries
3x increase of reach
5x reduction of charging time
First cars to deploy new Spatial Atom Layer Deposition – SALD – technology in 2022
R&D turns mass market: The nano coating creates a so-called "artificial solid-electrolyte interphase" (A-SEI), which is said to have a significantly better performance than previous SEI. This should not only affect the capacity and the charging speed. Durability and safety should also benefit. The SALD technology should also work with the solid-state batteries currently under development. This would significantly improve safety once again.
In general, the atomic-thin three-dimensional surface coating should work with all cathode materials currently being considered, tested or produced by battery manufacturers.
How Spatial ALD works – image by SALD BV
The technology was developed in a joint project between the German Fraunhofer Institutes and the Dutch government research organization The Netherlands Organisation (TNO), while the company itself has its roots in solar technology: According to the company’s homepage, SALD is a spin-off of SoLayTec, which has developed and sold a similar coating process for the mass production of solar panels. The machines are therefore mainly used in China. For the battery coating, SoLayTec has worked closely with Fraunhofer institutes and the TNO.
The ultimate goal of SALD is a Solid State battery that is lighter, safer, and stronger than existing batteries – image by SALD BV
The technology is not only suitable for electric cars, but also for smartphones, smartwatches and other battery-powered devices. For example, SALD batteries could provide for smartphones that only need to be charged once a week.
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