The problem with the batteries of our smartphones is that to offer more autonomy, there are no solutions other than increasing their size. By offering larger batteries, manufacturers take the risk of seeing the thickness or width of their smartphone increase proportionally. The batteries of our devices are actually built on a “flat jelly roll” model: a layer of anode and cathode rolled up flat with a separator material in the middle with a jelly consistency. The problem here is that by making this structure fit into a shape that almost looks like a parallelepiped, you lose space.
More power in the same space…
However, as the site tells us TheElek, it seems that Samsung has found the solution with a new stacking technology (staking) which includes several anode/cathode layers. By using this method, Samsung therefore makes it possible to put more material in the same space, which translates into a 5% increase in power. The Galaxy S23 +, a carbon copy of the S22 + at the chassis level, would therefore go from 4500 mAh to 4700 mAh.
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These 5% are not necessarily synonymous with 5% additional autonomy. This will of course depend on the consumption of the next SoCs equipping the Galaxy of 2023 (probably the Qualcomm Snapdragon 8 Gen 2), but in the event that the consumption is identical, this could add one or two hours of use. If nothing has been revealed concerning the S23 and the S23 Ultra, one wonders why the Korean firm would not use this same method for these two, especially since the S22+ was the best off in terms of autonomy. than his brothers (on the other hand, it was difficult to do worse than the Samsung Galaxy S22 on this side).