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Alternative Energy Cell Phone Charger

Pennsylvania State University EDSGN 100. Alternative Energy Cell Phone Charger. Team #6: Jack Boylan Jake Kapoosuzian Rahul George. Problem Statement. Design Statement: Design a charger system for mobile devices that operates from sources other than standard wall or vehicle power.

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Alternative Energy Cell Phone Charger

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  1. Pennsylvania State University EDSGN 100 Alternative Energy Cell Phone Charger Team #6: Jack Boylan Jake Kapoosuzian Rahul George

  2. Problem Statement • Design Statement: Design a charger system for mobile devices that operates from sources other than standard wall or vehicle power. • Develop unique use case with considerations for: • Safety • Economic Viability • Environmental Impact

  3. Use Case • Emergency situation: • Broken down car • Need to call for assistance • Cell phone battery is dead • Everyday use: • Battery dies from normal use through the day • Still want to use it

  4. Design Process • Primary Evaluation Criteria: • Safety • Ease of use • Total energy collected >= .5 Watts • Size • Time to charge • Aesthetically pleasing

  5. Final Design Smartphone case with a battery pack in the bottom. Both power sources feed into the battery. Sides made from soft flexible material. Case can be reproduced to fit different phones.

  6. Solar Component 78 cm2 solar panel on back (13cm x 6cm) In State College sunlight: 1cm2 = 0.0044 Watts / hour Total Energy provided = .343 Watts / hour Over the course of a day: .343 watts x 5 hours sunlight = 1.72 watts per day.

  7. Piezoelectric Component The Piezoelectric effect is the production of electrical charge by applying pressure to a substance. Energy provided per squeeze (assuming 7.25 psi squeeze) = 1.5µW x 2 P.E plates = 3µW Requires 150 squeezes to power.

  8. Sample Piezoelectric Generator

  9. Final Design Safety: Safe Estimated Total Cost: $85 Environmental Impact: None Solar Panel Component (covering the back of the case) Piezoelectric Component (inside case on the sides)

  10. Thank You!

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