The incorporation of recycled cobalt in the Galaxy S25's battery is a significant advancement that impacts both the environmental footprint and the overall performance of the device. Samsung has announced that up to 50% of the cobalt used in the Galaxy S25 batteries comes from recycled sources, specifically from old Galaxy devices[2][4]. This shift not only reduces reliance on newly mined cobalt but also addresses ethical concerns associated with cobalt mining practices.
Impact on Battery Performance
1. Enhanced Thermal Stability:
The recycling process allows for the extraction and purification of cobalt, which is then used to create cathode components in the batteries. This enhances thermal stability, reducing the risk of overheatingâa critical factor for smartphone performance and safety[2][4].
2. Improved Battery Life:
Samsung claims that using recycled cobalt contributes to longer battery life cycles and improved energy efficiency. This is particularly important as consumers increasingly demand durable and environmentally friendly products[4][6]. The recycled materials maintain quality and usability, which is essential for high-performance batteries.
3. Sustainability Benefits:
By utilizing recycled cobalt, Samsung aims to minimize its carbon footprint and support a circular economy in tech manufacturing. This initiative aligns with broader sustainability goals, such as achieving net-zero carbon emissions by 2050[4][6]. The process also involves a comprehensive collection and recycling strategy, ensuring that valuable materials are reused rather than discarded.
Conclusion
Overall, the cobalt recycling process in the Galaxy S25 not only enhances battery performance through improved thermal stability and longevity but also represents a significant step toward sustainable manufacturing practices in the smartphone industry. By leveraging recycled materials, Samsung is setting a new standard for environmentally conscious technology while addressing critical supply chain issues related to cobalt sourcing.
Citations:[1] https://www.nature.com/articles/s41598-025-86250-1
[2] https://www.gsmarena.com/samsung_announces_using_recycled_cobalt_in_galaxy_s25_batteries-news-66216.php
[3] https://www.nature.com/articles/s41467-022-29022-z
[4] https://www.techi.com/recycling-revolution-samsung-cobalt-recycling-galaxy-s25/
[5] https://news.ycombinator.com/item?id=39502165
[6] https://www.samsungmobilepress.com/feature-stories/samsung-advances-circularity-with-a-new-cobalt-recycling-process-for-galaxy-s25
[7] https://sites.duke.edu/djepapers/files/2021/09/ElenaCavallero-dje.pdf
[8] https://news.samsung.com/global/samsung-galaxy-s25-series-sets-the-standard-of-ai-phone-as-a-true-ai-companion