3D object with Samsung logo on a blue background

Samsung Advances in All-Solid-State and Silicon-Carbon Battery Research with Focus on battery protection

By: Leonid Shalashnyi

2 Min Read

July 7, 2025

Samsung SDI is methodically testing new battery technologies that promise higher energy density and enhanced battery protection.

Samsung’s Battery Innovation Strategy

Samsung has ramped up efforts in battery innovation, but with a cautious approach emphasizing safety and long-term performance. According to SamMobile, Samsung is exploring multiple next-generation battery chemistries — including silicon-carbon and all-solid-state variants — but is not rushing them into consumer devices until they pass rigorous testing.

Gizmochina reports that Samsung SDI is piloting a “dry electrode” manufacturing method at its Cheonan facility, which builds solid-state battery prototypes aimed at 900 Wh/L energy density — 40 % higher than current prismatic lithium-ion cells. This dry process omits solvents, reduces production complexity, and can produce electrodes of variable thickness based on design needs.

The inclusion of silicon-carbon anodes—which can significantly boost energy capacity — is being held back by concerns around durability and volume expansion over time. Samsung’s cautious, verification-first strategy reflects lessons learned from past battery mishaps (e.g., Galaxy Note 7) and signals a commitment to safer, more reliable technologies.

Why Safety Still Leads in Battery Tech

Samsung’s conservative stance underscores a critical industry lesson: innovation in battery technology must be paired with uncompromised battery protection. Jumping prematurely into commercial deployment—without addressing risks like volume expansion or internal short-circuits—could jeopardize user safety and brand trust. By testing silicon-carbon anodes and all-solid-state chemistries in controlled environments, Samsung is prioritizing safer deployments over speed to market.

Dry electrode production tackles both manufacturing and environmental concerns by eliminating solvent use and enabling scalable processes. If Samsung SDI succeeds in hitting ~900 Wh/L with stable solid-state cells, that would mark a milestone for battery energy density. The resulting longevity and increased cycle life directly support efforts to extend battery lifespan, benefiting consumers and reducing waste.

However, these battery types remain several years from mobile integration. Samsung’s ongoing research strategy—emphasizing battery protection and real-world durability—is the sort of diligence that encourages confidence in future product reliability, particularly for high-stakes consumer electronics.

How Lithium‑IQ Casual Aligns with These Priorities

While Samsung tackles next-gen chemistries, current device users can still benefit from smart charging solutions. Lithium‑IQ Casual complements future improvements by providing a hardware-level charge limiter that prevents overvoltage and maintains optimal charge levels — protecting today’s lithium-ion batteries from premature degradation until new technologies arrive.
Samsung’s multi-pronged research in silicon-carbon and all-solid-state batteries reflects a safety-first design philosophy that values long-term battery protection. In the meantime, Lithium‑IQ Casual offers an effective way to preserve battery health and prevent stress today.