Wireless charging like what’s in theiPhone 8 andiPhone X suffers from an embarrassing problem: It’s not truly wireless. There may be no plug involved, but the phone still must touch a charging surface that’s plugged into a wall.
A handful of firms, though, are working toprove that true wireless charging is not just safe but can work. But as I saw from meeting with two such companies at Mobile World Congress in Barcelona last week, they face significant obstacles. Which means they probably won’t charge your phone through the air anytime soon.
Energous: underwear first
San Jose, California’sEnergous (WATT) may be the first wireless-charging firm to have its technology in a consumer gadget. A “smart underwear” (no, really) firm calledSkiin will include its wireless charging in its activity-tracking undergarments.
Energous vice president of marketing Gordon Bell explained that company’sWattUp receiver is much smaller than the coil-shaped receivers required by the Qi charging in Apple’s (AAPL) iPhone and other models, and doesn’t need an exposed metal surface. ”You can throw it in the wash if you want,” he said.
But the charger included with Skiin’s products will only employ Energous’s near-field charging, which in that implemtation will requiredirect contact.</span><a href=”https://ir.energous.com/press-re
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