![Nokia E-Cu by Patrick Hyland](https://static.dezeen.com/uploads/2010/10/dzn_Nokia-E-Cu-by-Patrick-Hylandsq02.jpg)
Nokia E-Cu by Patrick Hyland
This mobile phone concept by London designer Patrick Hyland can be charged by the heat in your pocket.
![Nokia E-Cu by Patrick Hyland Nokia E-Cu by Patrick Hyland](https://static.dezeen.com/uploads/2010/10/dzn_Nokia-E-Cu-by-Patrick-Hyland05.jpg)
An integrated thermogenerator converts heat from any source into electrical energy to charge the phone, whether while being carried in your pocket or placed on top of a radiator.
![Nokia E-Cu by Patrick Hyland Nokia E-Cu by Patrick Hyland](https://static.dezeen.com/uploads/2010/10/dzn_Nokia-E-Cu-by-Patrick-Hyland06.jpg)
The case of the phone is made of copper and features engraved heat-sinks in the shape of dried earth.
![Nokia E-Cu by Patrick Hyland Nokia E-Cu by Patrick Hyland](https://static.dezeen.com/uploads/2010/10/dzn_Nokia-E-Cu-by-Patrick-Hyland03.jpg)
Here's more from Hyland:
Nokia E-Cu (E for environment, Cu for Copper)
Heat-conductive charging system
Creating a charger-free cellphone future
Annually, unwanted phone chargers produce 51,000 tons of waste in addition to the greenhouse gases created by the production of the electricity needed to charge them.
![Nokia E-Cu by Patrick Hyland Nokia E-Cu by Patrick Hyland](https://static.dezeen.com/uploads/2010/10/dzn_Nokia-E-Cu-by-Patrick-Hyland01.jpg)
The Nokia E-Cu is a mobile phone charged by sources of heat therefore eradicating the need for a charger. The phone has a thermogenerator integrated inside, which converts heat energy into electric potential energy.
![Nokia E-Cu by Patrick Hyland Nokia E-Cu by Patrick Hyland](https://static.dezeen.com/uploads/2010/10/dzn_Nokia-E-Cu-by-Patrick-Hyland04.jpg)
It is surrounded by copper with engraved heatsinks in a dry earth pattern which represents the effect of heat on the natural environment. The phone can be charged by placing it on any source of heat e.g. a radiator, even inside a pocket.
See also:
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