Samsung is making steady progress on its all-solid-state battery (ASSB) technology, with a new breakthrough in dry electrode manufacturing that could bring safer, longer-lasting, and more energy-dense batteries to market by 2027.
According to a report out of South Korea, Samsung SDI has begun verifying dry electrode production at its “DryEV” pilot facility in Cheonan. This comes after the technology passed internal lab testing. Unlike conventional electrodes, which require a solvent-based wet process followed by energy-intensive drying, Samsung’s dry electrodes use a PTFE binder that turns fibrous when pressed. This structure holds conductive materials together and forms a dense, durable electrode film—without solvents.
This new approach significantly reduces energy consumption and equipment needs, while also allowing for greater flexibility in making thinner or thicker electrode sheets, depending on the application. Engineers are now working to improve the uniformity of the electrode powder and fine-tune the film’s strength to meet production-grade standards.
Samsung plans to integrate this dry electrode technology into its all-solid-state batteries, which are expected to deliver around 900Wh/L energy density—roughly 40% more than today’s commercial prismatic cells. If all goes according to plan, Samsung’s all-solid-state battery technology could appear in electric vehicles and even next-generation Galaxy devices. While Samsung isn’t alone, its dry electrode process could give it a cost and efficiency edge.
Samsung still hasn’t adopted traditional silicon-anode batteries in its Galaxy lineup, and because of that, the ultra-slim 5.8mm Galaxy S25 Edge ends up falling short on screen time. With the company once again chasing slimmer designs, it’d be great to see them finally catch up to Chinese rivals—not just in battery capacity, but with safer, more advanced tech.
That said, there’s no clear timeline yet for when Samsung’s all-solid-state batteries might show up in phones or other devices. For now, we’ll just have to wait and see how the development unfolds.
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(Source: 1, 2)
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