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THE BATTERY IS THE MESSAGE
When media start to explode in your hands, it deserves a description. When it causes airplane evacuations, general panic and hysteria, it warrants an examination. When it quietly dies in your pocket before the end of an eight hour work day just like the other two billion smartphones, it deserves an explanation. It is reasonable to believe that a ‘Thermal Runaway’ event is far more spectacular than a quiet smartphone death. Leakages take place, fire and toxic chemicals are involved, possibly leading to personal bodily injury. It can be traumatic. Thermal Runaway is today one of the prime modes of battery failure. Chemical reactions within raise its internal temperature, and if not dissipated, the temperature keeps rising that will further accelerate the reactions causing even more heat to be produced, eventually resulting in an explosion. Especially a Lithum-ion cell above a certain temperature, its internal chemical reactions out of control, will explode.

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NOTE: The thoughts in the following article came about during the Community Power Bank(CPB) workshops at Pixelache Helsinki in 2015–16.The project recycled Lithium 18650 batteries with community participation and re- purposed them to build power banks for handheld media devices. The workshops were conducted at the Museum of Photography and at the OSCE (Open Source Circular Economy) Days in Helsinki, Finland. All acknowledgements are due to the participants and colleagues in this project. For more information see: http://samirbhowmik.cc/2016/06/22/community-power-bank-recycling-lithium-ion-battery-workshops-2016/