What is a wireless charger and how does it work
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In contrast to what you might think, wireless charging is not a modern invention. An unappreciated scientist named Nikola Tesla illustrated magnetic resonant coupling which means you can transmit electricity through the air without any wire! Amazing, isn’t it?
Wireless charging is one of the latest inventions of what Tesla found decades ago. Here, in this short essay, we will briefly discuss different aspects of wireless charging. Let’s get started.
The core mechanism of wireless Chargers is quite simple! Electromagnetic induction will be used to transfer power wirelessly to portable devices.
Wireless charging can be as small as a pad for your smartphone or as huge as a charging station for your electric vehicle.
Why do we even need wireless charging
You might think that the most common use of wireless charging is for personal portable electronic devices such as smartphones, laptops, etc.
Although the above-mentioned statement is factually correct, you should know that the automotive, healthcare and manufacturing industries have been extensively impacted the most by it too.
Perhaps, wireless charging is greatly needed by our modern society due to its better convenience, practicality, and cost-effectiveness.
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How many wireless charging types are out there
There are four types of wireless charging namely electromagnetic induction (EI), magnetic resonance (MR), electric field coupling (EFC), and radio reception (RR).
These methods are compared based upon configuration, higher power consumption, efficiency, and transmission distance.
For example, the configuration for EI, MR, EFC, and RR are magnetic flux, magnetic field, electrode, and radio waves, respectively.
Or, EI and EFC are effective in a distance not more than several centimeters while MR and RR are practical in several meters.
What are the pros of wireless charging
Of course, the advantages of wireless charging outweigh its disadvantages.
The list can go on and on but we try to keep it short and mention the most practical benefits.
Let’s start with the most obvious one which is detachment from thousand miles of electric cords!
Our surroundings will be more organized without cords everywhere. Secondly, electric faults and corrosion cases will be greatly avoided when no cable is required.
What are the pros of wireless charging
Of course, the advantages of wireless charging outweigh its disadvantages.T he list can go on and on but we try to keep it short and mention the most practical benefits. Let’s start with the most obvious one which is detachment from thousand miles of electric cords! Our surroundings will be more organized without cords everywhere. Secondly, electric faults and corrosion cases will be greatly avoided when no cable is required.
Thirdly, this is my favorite! With Super Fast Charging, you don’t need to have one specific charger for each electronic device. The same charging pad can be used for charging various brands of smartphones, tablets, etc. what is next? I am pretty sure that a malfunctioned USB port is one of the most frequent faults in your electric portable devices, isn’t? One important reason is plugging and unplugging so many times mainly for charging. Therefore, wireless charging lets you have a more durable USB port in your device.
Next, with wireless charging, you will avoid overheating. You see! It often happens when we plug our smartphone into the charger and then go to sleep. So, even when the battery is fully charged, it is still receiving energy which might lead to short and long-term damages to the phone. However, the wireless charging pad will be automatically shut down as soon as the device is charged completely. As a result, less energy is going to be wasted and the durability of your phone and its battery will be preserved at the same time.
Additionally, when it comes to electric vehicles, wireless charging is very efficient as it can be charged while in motion. Not to mention that the charging events can be more frequent so that the driving range will be extended. This type of wireless charging is sometimes called dynamic charging.
What are the cons of wireless charging
What about the disadvantages of wireless charging? There are a few worth mentioning. Firstly, wireless charging is not still really wireless. Do you know why? Because even your portable devices can be charged while sitting on the wireless charging pad, the pad itself must be plugged, right? Therefore, there is still a lot to come in the future to make wireless charging technology more advanced.
Secondly, another important constraint associated with wireless charging is that you would not be able to use the device while it is being charged, in contrast to wired charging as your device can be used and charged at the same time. Thirdly, compared to new wired technologies that have provided very fast charging, wireless charging pads are not every time-effective. This might bother you a lot especially when you are in a hurry. However, it should be noted that the output of modern wireless charging pads is very close to the wired ones.
Wireless charging technologies have been established for several years. However, they are not still as popular as their wired counterparts. Therefore, they are still much more expensive compared to wired chargers. The more available the technologies become, the cheaper they become but not currently!
Another criticism is that wireless charging pads are not efficient. Although it is true in some models in only some brands, the loss of energy will be minimized when the coil is designed professionally and the components have high quality. Finally, since new models are arriving day by day with lots of upgrades, your old device might not be compatible with the wireless charging pad at all.
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What are the cons of wireless charging
One of the reasons for such a rapid growth of wireless charging’s popularity is the fact that many giants in the industry of smartphone manufacturers such as Apple, Samsung, LG, Sony, HTC, Huawei, Nokia, Motorola, and Blackberry have already adopted the wireless charging technology.
Conclusion in What is a wireless charger and how does it work
Modern technologies are making our life more desirable! Wireless charging has been around for several years and made our energy-dependent lifestyle much more convenient. It is an easy way to charge all sorts of electric portable devices ranging from smartphones and laptops to vehicles and trucks. In this essay, we introduced the technology and mentioned some of its pros and cons. Although there is still room for improvement, wireless charging is a more efficient and time-effective method than old-school wired charging. What do you think? Let us know, please.
