The phone batteries have become more compact, but the United States is missing

This is it StepbackWeekly news message that breaks one basic story from the world of technology. To learn more on other phones and technology outside the United States, follow Dominic Breston. Stepback Record to the in -incinerator boxes at 8 am East time. Choose to Stepback here.

Smart phone batteries are larger than ever, while the phones themselves shrink. But whether you see the benefit – thin phones with large batteries – depends on where you live.

The key is to enter silicone and carbon batteries, which makes it possible to fit more battery capacity in the same size cell, as in phones like phones HonorWhich provides a battery of 8000 mAh more energy than some iPad devices. The other aspect of this is to put the same capacity in much smaller cells, as shown in proverbs Oppo Find N5A very thin folding phone like Samsung Galaxy Z Fold 7 But it has a 5600 mAh battery that will not be in place on a leading journey.

Honor and Oppo are not the only companies on board. Huawei, Xiaomi, VIVO, OnePlus, Noteing, and more they have released all phones using silicone and carbon batteries. It is not just phones, either; Wearing hawks Silicon and carbon batteries have been used since 2021 Thanks to a partnership with Sila Nanotechnologies, GM manufacturers to Porsche I heavily invested in technology.

But you may have noticed some of the big missing names from that list – none of Apple, Samsung, Google, and the three main players in the American phone market have not adopted the new batteries so far. This is despite the fact that between Samsung and foldable Google phones, high -tendency models like a newly advertiser iPhone AirPossible applications immediately.

It can be said that “silk carbon batteries” are a little of the wrong designation, because this does not replace lithium batteries-it is a sub-group of them. In the widest strokes, the largest part of the battery consists of two parts, cathode and anode, which is the movement of ions between the two that receives the cell or discharges.

In most modern batteries, the cathode depends on lithium, while the anode is used graphite. that it Which – which Bit that silicone and carbon batteries change, using a mixture of silicon and graphite for anode. Silicon has Almost 10 times the density of energy From graphite, so it has a long way – a modern honor Magic V5 foldable It is the first to replace 15 percent of the graphite with silicone, and other phones were used less than 5 percent.

More silicone means better battery capacity in the same space, so the race continues to raise these numbers up. The reason that manufacturers cannot enter everything and exchange all silicone graphics is that the energy density comes with a large one side: the longevity.

When the graphite anudita absorbs lithium ions while charging, they expand a little. When Anodes Silicon absorbs these ions themselves, they expand much more. Over time, these frequent expansions and battery structures harm, which contributes to the lower life of the battery, and you will be aware of it if you have been stuck on the same phone for more than a few years. This expansion is not the same Swelling causes batteries from phones bodiesBut it is one of the few factors that can contribute to it. Simply: Silicon an ID allows batteries that are more dense, but do not last for a long time. We do not have a lot of evidence in the real world over how bad this problem, because the first phone with carbon silicone battery, Honor Magic 5 ProIt was only launched in 2023.

This may be one of the reasons why we did not see Apple, Samsung and Google on the plane. All three offer the long -term product support from their points of sale, so the shift to batteries that may die early will not be a great appearance. Then there are European Union regulations, which now require smartphone batteries Keep 80 percent of their capacity after 800 charging rides. Group14 says the silicone battery manufacturer It meets its batteries that thresholdBut it is still a region where technology giants are likely to be cautious.

There are also question marks about their size that they want to get their batteries anyway. International shipping regulations Add strict requirements – and “dangerous goods” signs – for battery cells that are more than 20wh, which are equivalent to 3.7 watts by about 5400 mAh per hour. More batteries cost charging, especially by air, which is a good incentive to stay below this line directly. Even the largest Chinese original equipment manufacturers are limited to this – Nothing phone 3 It includes a huge 5500 mAh battery if you buy it in India, but the European version has a 5,150mAh cell instead – below the line where the charging fees rises. This is just one of the endless examples of regional division in battery sizes, with one even Recognition Android salad These rules that revolve around shipping were responsible for bringing a smaller battery to Europe.

With the introduction of silicone and carbon batteries for the first time in phones two years ago, we reach the point that manufacturers can get in the real world of energy cells. If there are problems, they may earn themselves a little, but if not, you should expect things to become more extreme from here.

It is expected that the percentage of silicon will go, along with 20 percent, and then, until the decreasing returns will be launched. This will mean larger and largest batteries in “regular” phones – certain The next pioneer, The Find X9 Pro, will play 7500 mAh battery in China, and is common The honor of power 2 It will go further, with a battery of up to 10,000 mAh per hour, twice the size of some power banks. At the other end of the spectrum, deceiving iPhone and Galaxy S25 Edge Certainly on the way, there are no doubt that batteries are more than either while staying as much.

The real question is if, and when, you will jump Apple, Google and Samsung on the plane. While one of their strands is to develop silicon and carbon battery pushes to higher levels of silicon, others try ways to reduce the negative aspects. I expect this to be what the three are watching, pending making sure that the concessions are minimal, just as it was with the slow adoption of charging speeds faster. He expected Samsung in particular be careful – I have spent the past nine years for fear of repetition The note disaster explodes 7And not in a hurry to risk, Saying T3 While searching for silicone batteries, it puts a “just more priority on reliability”.