We need ever lasting electric energy power on our electric powered wheelchair, so here is the solution concepts. The new standing wheelchair prototype depend on PV cells to convert sunlight into electricity. Unlike solar thermal energy which converts solar energy to heat for either household purposes, industrial purposes or to be converted to electricity, PV cells directly convert sunlight into electricity.
When sunlight (photons) strike PV cells, they excite electrons and allow them to flow, creating an electrical current. PV cells are made of semiconductor materials such as silicon and alloys of indium, gallium and nitrogen. Silicon is the most common material used and has an efficiency rate of 15-20%.
XO-303 stand-up wheelchair is our new prototype concept in 2013 coming soon
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