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IMB-CNM Talks, PowerPAD: Eco-friendly and Biotically Degradable Battery for Single-Use Applications 
Friday 17 November 2017, 11:30
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PowerPAD: Eco-friendly and Biotically Degradable Battery for Single-Use Applications


Perla Alday

In this work we present a biodegradable battery made of cellulose and carbon materials, which is completely safe and non-toxic, yet inexpensive. The power in this device is generated by flowing organic redox pairs through porous electrodes. The organic redox substances are stored in the paper device and they start flowing upon the addition of any available liquid, such as wastewater, seawater or even urine. The mass transport within the device relies entirely on capillary flow through the different porous materials. Once depleted, the battery can be disposed of without the need of any recycling facility, as its components are non-toxic and shown to be biotically degradable in a standardized test. The practical utility of the battery is demonstrated by direct substitution of a lithium ion coin cell in a portable water-measuring device.

Location Sala de Actos Pepe Millán, IMB-CNM, Campus UAB
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