Chinese designer Daizi Zheng's sustainable cellphone concept is powered by an unusual and unexpected source: Coca-Cola soda.

The new mobile phone concept apart from harnessing clean energy from sugary drinks like Coke or Pepsi, which generates water and oxygen, also works about four times longer than contemporary lithium batteries on a single charge. Moreover, the handset is fully biodegradable.

Huffington Post   |  Bianca Bosker