This is the first Anphase guest post by Sofia Sheppard who writes for the solar battery chargers blog, the non profit hobby web site that she uses to share the latest technology information about solar battery chargers for small devices. Enjoy…

Next-gen Battery

French corporation Wysips is focusing on a whole new technique which will allow mobile phone touch screens to perform double duty as photo voltaic power panels to recharge cell phones.
The thought is pretty interesting [1] mainly because it consists of laying an extremely thin transparent pv film layer together with the mobile phone display. The film will take energy not just from the sun, but any nearby source of light.
Expected recharge times can be about six hours from sunlight and some time longer from leaching electricity from indoors lights. Wysips is at work for the 2nd development of the technology, which seems to supply half an hour of talk-time after just one hour in the sunshine.
The major problem with a solar battery charger could be that the sun moves continually, and my practical experience have been that you must move the battery charger every minutes to help keep it in the sunshine.
Actually most solar chargers for cell phones can be best for individuals who spend lots of time outdoors, and should not readily utilize a car or wall charger for devices. Backpackers, fishermen, etc, could possibly like this.
Otherwise, you are probably happier picking something different. The most effective solar mobile phone chargers available on the market take a long time to charge – a single hour charge will give you just enough to make a 5-10 minutes mobile call. It requires something similar to 8-10 hours to obtain a full charge.
Another big disadvantage of these chargers would be that the unit is only able to be charged approximately 500 times. This could equate to approximately 12 months in the event you used it everyday. You will never go green with this particular thing, since you’d need to change it out every 12-18 months.
With more persons getting cellphones and ipads etc…., the drain on electricity grids is increasing. So, incorporating the capability for the mobile phone to independently re-charge from the sun light implies they could help pull their own weight, and also you wouldn’t ought to take along another battery charger or move it around.
Another interesting truth is the opportunity to employ this system to charge the smartphone while using the indoor light… it is a real bonus. The device could be continually charging as light falls on display screen, meaning it might be topping off it’s power as the mobile phone just sits inactive.
This progression is much more appealing than previous attempts to generate solar chargers for smartphones, for instance Samsung’s Blue Earth mobile [2], which included a solar charger on its back. A few months ago Apple was awarded a patent [3] for a process to charge mobile units using solar powered energy, an indicator the company considers solar powered energy worth exploring.
The solar efficiency from Wysips’ charger is now only 9 %, in comparison to the most effective solar panels used elsewhere. That is much better than the 0 % smartphones offer now. The additional power gained coming from a solar charger for instance Wysips’ could allow cellphone designers to produce slimmer batteries for their devices, or facilitate faster, stronger devices with appropriate battery lives.

  1. Wysips Official Web site explains in greater detail how the new solar charger works
  2. Official Samsung web page where it’s published the info about the Blue Earth Phone
  3. Techcrunch writes on the Apple’s patent on photovoltaic powered devices.