Wireless charging technology uses an electromagnetic field to transfer energy between two objects. The charging mechanism can be simplified by the fact that the first “charger” converts electricity into an electromagnetic field and the second particle, “the phone for example,” captures this field and returns it to electricity that it uses to charge the phone. And many mobile phone companies have turned to this technology, especially as it supports fast charging. Do these electromagnetic interactions have an effect on the internal battery components and on the chemical reactions that take place in it?
Apple device users called for the wireless charging feature, similar to other companies, led by Samsung. It was added recently in the iPhone 8 and iPhone X, as if Apple added this technology to its devices timidly, or perhaps in delaying it a careful study, knowing that this technology must have certain standards so that it does not have a bad effect on the devices. Indeed, Apple has used the Qi standard for wireless charging.
The strange thing is that Apple introduced the technology slowly, which is 7.5 watts when using special chargers designed for the iPhone, and if any other charger is used, 5 watts are charged. While Apple's competitor, for example, Samsung, has been offering a 10-watt charger years ago. This matter had implications for this after that, it may be that using this technology is not good for charging your phone, according to research conducted on wireless charging technology and found a relationship between it and battery damage very quickly.
From that research: Research by Adrian Kingsley-Hughes of ZDNet concluded that the wireless charging used to charge his phone is wearing out his battery very quickly.
Charging method and its effect on the battery?
Venkat Srinivasan, director of the Argonne Cooperative Center for Energy Storage Science (ACCESS), said keeping the battery fully charged or close to that will accelerate its damage. This is what happens when you own a wireless charger in your home or office, and you put your device on it all the time to keep your phone charged at a high rate until you feel satisfied and comfortable.
He also said: “The higher the charging state to 90%, 95% or 100% while keeping these ratios for a longer time, the faster the battery’s condition will begin to deteriorate, depending on the nature of the lithium batteries.
It is strange that studies carried out by shipping companies have also proven that charging and discharging completely harm the battery and the severity of the damage varies depending on the type of battery. The study said that recharging the battery at a high level such as 50% can lead to an increase in its life by values that may reach 4 times the value that it may reach when charging from zero to 100%.
The nature of lithium battery charging
When a lithium battery is charged and discharged, the ions pass back and forth between the positive electrode "made of lithium-cobalt oxide or lithium-iron phosphate" and the negative electrode "made of carbon graphite." When the battery is charged, lithium ions are released from the anode to the negative electrode and are stored as energy. When the battery is discharged, these ions return to the anode to be used as electrical energy. As these ions move back and forth, the material “electrolyte” - a substance containing free ions that form a conductive medium - begins to deteriorate over time. Thus, the higher the percentage of charge you have, the faster that material will degrade and spoil.
Therefore, it is best not to make the phone charged at high rates all the time, or to charge it from zero to fully charged all the time, in order to keep the movement of the charging and discharging pendulum from swinging significantly. Preferably, your charge percentage should range from 45% to 80%.
In addition, battery life depends mainly on the number of times of charging cycles it has gone through. For more information on this topic, you can review an article You ask and Islam's iPhone answers the Apple battery.
The difference between wired charging and wireless charging
It is difficult to compare wireless chargers and wired chargers, each of them has advantages and disadvantages, we mention a simple comparison between the two types as follows:
◉ When the phone is connected to AC power via wired charging, the battery will automatically disconnect the charge when charging is complete and take a break, and it waits to remove the charging cord only when the phone is not used, but if the phone is used during charging, the charging will continue to compensate for what the battery loses during the Turn on the phone. (Of course, the use is intended to be violent, such as games, and not normal use, such as the network, for example. "
As for wireless charging, it uses a constant current, and does not give the battery a rest period after the charging process is completed. During the flow of data to and from the device, the screen turns on for alerts, notifications, etc. when the battery is constantly charged and compensates for any small battery shortage, and thus it is counted in the number of charging cycles, which leads to battery wear and damage.
Wireless charging usually causes the battery and device to overheat, which could cause them to quickly damage other than charging with the cord. Therefore, it is preferable not to charge in closed and unventilated places, as it is necessary for air to dissipate that heat.
◉ Reliable wireless chargers are expensive compared to conventional wired chargers.
◉ Direct exposure to electromagnetic radiation from wireless chargers can be harmful to the body in the long run. This damage can be completely eliminated if a properly protected charger is used and this is available in reliable chargers that use Qi standards.
It is known that most smart phone battery manufacturers design the battery to last between two to three years, and if you are someone who replaces his phone during that period, you do not need to worry about the battery and the speed of its damage, especially since companies now like Apple provide replacement batteries at 20-30 prices. Dollars, which is a pittance compared to the price of the phone.
If you use wireless chargers, have you ever had a problem with them? Let us know in the comments.
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We are waiting for safer technologies
Wireless charging is really useless as it restricts me not to use the phone while it is placed on the charging cradle, unlike wired charging, which enables me to use the phone while charging
Conventional charging is okay, wireless charging via Wi-Fi or Bluetooth is fine if applied
As for wireless charging that requires placing the device on the charging pad and not using it, this is a futile philosophy even if it does not harm the device. Thank you 🌹
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I could not stand the wireless charging in the watch, so how can the battery be damaged within two years? It is not important until we change phones, on the condition that the companies produce wonderful phones
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Are right. No cable is only useful without a wire or a charging base. See the article on the future of smartphones. This is what works.
There is no problem if the battery is weak because Apple has a solution to reduce the performance of the device 😁
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I hope they invent a battery that sits a week after charging, normal, if it changes after a year, the most important thing is that you stay a week
I do not use wireless charging, and I think that it is a technique that has no use in the current situation, unless the technology has developed from now and also it is clear from the article that it harms the battery and the phone. I also think that the best and most secure charger is the original charger that comes with the phone ,, always the articles of Professor Mahmoud are enjoyable Very
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I am with you about what you actually say. This article may raise suspicion, and I see that wireless charging technology is only useful during sleep
Professor Amr
May God reward you for this kind spirit
And your awesome analytics.
Wireless charger from the days of the wireless and it is not necessary as long as you are bound to your phoneاتف
Wireless charging so far is considered a useless technology, and I hoped that Apple would offer it in a different way, which is wireless remote charging without the need to put the iPhone on the charging base, meaning the device charges it with your hand
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Up to now, I have not been fully convinced of the feasibility of wireless charging except that it is just a technical review from companies more than a practical one for the user .. Not to mention the costs of wireless charging accessories ... The technology may develop and allow us to charge a real wireless so that the phone is charged while in your hand away from the charging pad. .
Actually technology is currently restricting the use of the phone and needs to be developed a lot until it reaches the stage where it is really a technology for wireless charging in the full sense of the word, where I can charge my phone away from the charging platform👍🏻
I often put all my devices from iPhone and iPad to laptop in the charger all day long, whether asleep or awake! I think this behavior has a major negative impact on batteries
As for wireless charging, I am not a fan of his and his supporters are never safe
It's okay to put your phone on a wired charger. The battery turns off automatically when it is fully charged. Don't worry about that. And for your business, do it consistently. Otherwise, how can I go to work when my phone has nothing but five percent in it? Must be XNUMX%
Frankly, there is nothing wrong with it.
Good luck in your work, God willing, your articles, my brother, are wonderful as usual
Yes, correct. A word consisting of two letters in English appears about battery power, but does it affect a battery because I always use this feature when I sleep, I connect the iPhone and the problem is in the same room that I sleep in
Ok, and the one who puts the phone on the charger if he sleeps all night and disconnects it in the morning will affect the battery?
Same question👍🏻
Dear brother ,
When using the wired charger before going to sleep .. This does not constitute a great harm to that, because the device by its nature disconnects the charger after its completion ..
As for wire charging, the article calculates that it has more damage in this case
I repeated the wired twice, as long as we knew it was better than wireless 🙂
My dear brother, I wish you would not advise anyone but you were focused
My brothers, all are two letters that he forgot to write before the wire “No” 😅
It is true that she messed you up, but forgetting her does not nullify his good advice, so thank him
And I think that with the confusion it is still clear that the last part of the comment is intended to mean that (wireless) is more harmful as mentioned in the article.
I apologize for the mistake that was made by mistake ... and thank you, brother Abu Muhammad, for your generosity.
As Sister Noor mentioned, the last passage is what we meant by wireless charging.
We apologize again for the mistake.
With greetings and appreciation to all
Pardon my brother
God bless you
Thanks for the useful information, but this is life, everything has a specific life, and I prefer to use the wireless charger because it makes it easier to work and every year I change the battery with 20 euros for no problem, but the most important thing is to enjoy the matter because life is short and time is limited
With the many disadvantages of wireless charging (high price / overheating of the phone / slow charging / battery consumption / restricting the use of the phone ...) I think that the solution is to find an alternative to the batteries used today, as the mobile is no longer for the purpose of voice calling or messaging only ... it has become a smart device. The least used is the connection on the chip, and the rest of all uses drain the battery that is not keeping pace with the speed of development.
I am not a fan of wireless charging as it is now.
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In 10 years we will discover that it is one of the very stupid inventions