Smartphone manufacturers are currently doing their best to innovate new battery technology, with some devices now sporting massive 7,000mAh batteries. This is a quantum leap from current battery capacities and marks the start of a new era in battery life, opening up all kinds of possibilities for how long you can use your phone over a single charge. This is all thanks to improving battery technology and growing demand from users who want their phones to last longer.
Recently, Realme introduced its Neo 7, equipped with a massive 7,000 mAh Titan battery developed in partnership with CATL. Even though the phone has a large 6.78-inch screen, it manages to stay relatively slim at just 8.5mm thick. This clearly shows how much battery technology has improved, especially when it comes to integrating larger batteries into sleeker designs.
The increase in battery size is mainly due to the use of new materials, such as silicon-carbon anodes. Silicon has a much higher energy density than older graphite anodes, meaning it can store a lot more charge – up to 4,200 mAh/g, or about 10 times what graphite can hold (approx. 340-370 mAh/g). For example, the Realme GT 7 Pro uses a battery made of 10% silicon, which improves energy density by around 7% compared to usual graphite-based cells.
That said, there are still some issues with using silicon in batteries. The main problem is that silicon tends to expand significantly (up to 300%) when charging, which can be detrimental to battery stability and lifespan. To address this, manufacturers are getting creative with nanoprocessing, carbon coatings and even silicon oxide.
Industry insiders like Digital Chat Station say this trend will only continue to grow. Rumor has it that Honor is planning to release a phone with a 7800mAh battery next year.
Tech
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