Who hasn’t lived through the frustrating experience of being without a phone after forgetting to recharge it? This could one day be a thing of the past thanks to technology being developed by Hydro-Québec and McGill University.
Lithium-ion batteries have allowed the rapid proliferation of all kinds of mobile devices such as phones, tablets and computers. These tools however require frequent re-charging because of the limited energy density of their batteries.
“With smart phones now, you can basically carry your whole office in that device, they are loaded with all sorts of applications so you need a lot of power to use it everyday and sometimes, you don’t have access to a plug to recharge,” explains Professor George P. Demopoulos, chair of Mining and Materials Engineering at McGill University.
This has led to the development of portable solar chargers but these hybrid devices are difficult to miniaturize due to their complex circuitry and …
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