Unsupported browser

You are using an outdated browser. Please upgrade your browser to improve your experience.

Sign up for an Award

Participate with your entry in one of our professional or student awards.

Sign up for an award

Sign up for a Profile

Create your own profile and publish it in the iF WORLD DESIGN GUIDE.

Sign up for a profile

Learn more:


Present your project for free and win your share of EUR 50,000 in prize money.

Publish your project

Solar Bike / Electric bike

Solar Bike

With the existing electric bicycles, you have to always charge them and they can be discharged while riding. It is a green energy technology using the light of the sun, and it can be charged while riding or being stored to prevent discharge. Empty space of rear wheel will collect the electrical energy using the light of the sun.


cheongju university

cheongju university
Yeosu, South Korea

Ju young Na,
cheongju university