Researchers at Hong Kong Polytechnic University claim to have invented a new kind of graphene-based "battery" that runs solely on ambient heat. The device is said to capture the thermal energy of ions in a solution and convert it into electricity. The results are in the process of being peer reviewed, but if confirmed, such a device might find use in a range of applications, including powering artificial organs from body heat, generating renewable energy and powering electronics.
Hope...for my laptop!
Physics World: Graphene in new 'battery' breakthrough?
Physics arXiv:
Self-Charged Graphene Battery Harvests Electricity from Thermal Energy of the Environment
Zihan Xu1†*, Guoan Tai1,3†, Yungang Zhou2, Fei Gao2, Kim Hung Wong1
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