Huawei may have done a technological breakthrough in the battery field, revealing that it will be upgrading the battery of its upcoming foldable smartphone, which is rumored to be the Mate X3. According to Digital Chat Station, a well-known tipster, Huawei will use high-silicon anode material to enhance the battery capacity to 5060mAh (typical value).

The new foldable smartphone will feature a larger screen, which will require a better battery life. Currently, the industry is facing limitations in terms of improving the cathode material energy density of mobile phone batteries. Huawei’s breakthrough in the battery field will offer better energy density and a larger battery capacity.

Huawei Mate X2
Huawei Mate X2

However, the high-silicon anode batteries used in Huawei’s new mobile phone presented some technical difficulties. They have a large volume expansion coefficient, low first charge and discharge efficiency, and high resistivity. Huawei has overcome these challenges by using carbon-coated structures and innovative flexible polymer binders to inhibit expansion and shedding.

In addition, Huawei has incorporated the use of lithium foil to supplement lithium, which has increased the efficiency of the first charge and discharge by 26%. The company has also utilized carbon nanotube technology in silicon anode batteries, which has improved the conductivity by four times and enhanced the performance of the silicon anode batteries.

The use of high-silicon anode batteries in the upcoming folding screen mobile phone will result in higher energy density, larger battery capacity, and a 21% increase in energy density compared to traditional graphite anode materials. Huawei has also incorporated AI parallel power management, 15-layer security protection, and intelligent charging management to ensure higher charging efficiency and safer charging.

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