When Samsung announced a pivot to solid-state battery chemistry and production research, it pegged 2025 as the year it will have the first prototypes, and 2027 as the deadline for it going into electric vehicles.
The head of Samsung Electro-Mechanics just confirmed that the solid-state battery is ready according to plan, and it has achieved the highest energy density hence capacity-to-size ratio in the industry. Solid-state batteries can reach 500 Wh/kg energy density, and that might be what Samsung is referring to here, as that was the stated goal from the very beginning.
Samsung will now start investing in mass production facilities, ready to supply prototypes for the company's other divisions to place into their 2026 crop of devices.
Since Samsung's solid-state battery is oxide-based and remains stable, small cells with the technology can go into its wearables and other devices that require flexible shapes, like its Galaxy Ring fitness tracker, for instance.
After building the mass production facilities and confirming the viability of its solid-state battery technology in real-life scenarios, Samsung will expand the areas of its application in 2027.
Coincidentally, this is also when other competitors like Toyota or CATL have said they will start placing their solid-state batteries in electric cars.
Besides the record high energy density and capacity, Samsung's solid-state battery technology carries another very important advantage, namely cheaper mass production. It has been testing a solid-state battery manufacturing breakthrough called roll pressing. The technique eliminates the need to seal the cell with the slow Warm Istactic Press (WIP) process before placing it in water and applying up to 600MPa pressure under high temperature to sinter the electrode and electrolyte materials into a solid state for stable performance.
If Samsung succeeds in pulling this off on a mass scale with its solid-state cell prototypes this year, it will have managed to address the biggest hurdles before the mass adoption of the promising battery technology, such as production speed and manufacturing costs.
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