Silicon-carbon batteries return in an improved second generation: more density and energy control in the same size

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1707131960 840 560.jpeg

Honor debuted silicon-carbon batteries last year with the Honor Magic 5 Pro. The new successor to the Magic family brings the second generation of these new batteries


Although the batteries that equip our mobile phones have improved substantially in the last decade – also helped by their larger size – the industry looks to the future in search of new solutions that allow maximizing the autonomy of the devices. Recently, and far from experiments that never arrive like graphite batteries, China has boasted of its atomic battery capable of lasting 50 years.

It does not seem, realistically, something possible in the short term, although it is a good start. However, Honor surprised the world when it unveiled its silicon-carbon battery, a battery that provides greater autonomy occupying the same space. Now, the second generation arrives with the landing of the new Honor Magic 6 Pro.

Silicon-carbon batteries return to the scene in the Honor Magic 6 Pro

In the last decade, lithium-ion batteries have taken over the interiors of our devices, whether smartphones, laptops, tablets and even wearables. They offer good performance compared to other alternatives in aspects such as energy density, efficiency and durability although, yes, they are far from being perfect.

Honor Magic 6 Pro Battery

One of the main problems with these is that they must stick to work in a temperature range that is not too wideIn addition, they do not provide much energy per gram of weight. To alleviate this drawback, Honor replaced the graphite anode (common in the batteries of our devices) with one made of silicon and carbon, obtaining more energy density.

Now comes the second generation of these peculiar batteries in the successor of the aforementioned smartphone. Honor claims that pure silicon anodes would be ideal. However, it is not possible to use them in components of consumer products, as they have an excessive expansion rate (up to 300%).

Therefore, the Chinese manufacturer opted for the second best option: the silicon-carbon anode. Yes, it still includes graphite as a key component, but the addition of silicon allows the chemical structure to be stable. This was the battery of the Honor Magic 5 Pro, although unfortunately only in the models launched in its native country.

The Honor Magic 6 Pro continues working in the same direction, but this time it adds an E1 control chip that will give a more precise estimate of the charge level than in other phones. Furthermore, thanks to the higher energy density of the construction, the capacity rises to 5,600 mAh without the need to increase the size.

As if that were not enough, it has 80 watt fast charging, worked on by Honor so that the phone does not heat up excessively. This allows you to recharge the battery from the 0% to 100% in less than 40 minutes. For now, this mobile phone has been unveiled in China and is expected to arrive in Europe at MWC 2024, without us yet knowing the global availability of units with the revolutionary batteries.

However, we do have a global model that includes them: the Honor Magic V2, a folding that we loved during its passage through our testing laboratory. Be that as it may, it is to be expected that the manufacturer keep betting on this silicon-carbon anodeso perhaps we will see future generations of these batteries, which will always be welcome as technology advances.


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Mubashir Hassan
Expert in tech and gaming, blending industry insights with expertise