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Sony Engineers Faster Wireless Charging Tech

Article Comments  32  

Oct 18, 2013, 7:34 AM   by Eric M. Zeman   @phonescooper

Sony has developed new technology that dramatically shortens the time it takes to charge mobile phones wirelessly. Sony's charging device uses 10-15 watts, instead of 5, and can push twice the electricity of today's wireless chargers. According to Sony, cell phones can reach a full charge in one hour instead of two. Sony's charging device is based on the Qi standard, which is being finalized by the Wireless Power Consortium. Sony's semiconductor division developed the technology, reports Nikkei. Another company, called Rohm, has developed similar technology also based on the Qi standard. The improved wireless charging technology is expected to reach consumer-grade devices during the second half of 2014. The WPC's Qi standard is just one of three competing standards for wirelessly charging devices. Other standards are being finalized by the Power Matters Alliance and the Alliance for Wireless Power.

more info at Nikkei »
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Oct 18, 2013, 9:31 AM

Think Twice Before Rapid Charging.

The basic anode/cathode battery design hasn't changed in almost 40 years. Yes, they have managed to use different materials for the components to solve memory issues. But, with current technology, the way to increase capacity, is to increase the size. Larger batteries,will promote larger phones and larger phones need larger batteries. It's a vicious cycle.

So while many companies try to shorten charging times to appease consumer interests, rapid charging a current design battery is practically the worst thing for it. Rapid charging creates heat and heat is a battery killer. And with most insurance coverage plans omitting batteries as being "expendable" components, who will pay for the replacement? Deductables have reached $150 for hands...
Excellent post, I agree with everything you pointed out.

It should be an easy 2 second process to replace a battery in a phone. With all the advances in technology, one would think a removable battery would always be available. I was just thinkin...
Yet the iPhone has a sealed battery and nobody complains about it. If you have Applecare+ then you go into the store and you get it replaced. But nobody does that because it doesnt' happen. I have the HTC ONE and the phone is flawless.

Oct 18, 2013, 7:51 AM

I hope they realize...

That what the vast majority of users WANT is higher-capacity batteries. Fast charging only does so much good if you have to charge the damn thing 3 times a day.
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