A little less protection could bring about long-lasting solar cells


A little less protection could bring about long-lasting solar cells


University of Wisconsin–Madison materials engineers have made a surprising discovery that could dramatically improve the lifetime of solar energy harvesting devices.

Their findings allowed them to achieve the longest-ever useful life of a key component of some types of photovoltaic cells called the photoelectrochemical electrode, which uses sunlight to split water into its constituent parts of hydrogen and oxygen.

In a study published recently in the journal Nano Letters, a team led by UW–Madison materials science and engineering doctoral student Yanhao Yu and his advisor, professor Xudong Wang, described a strategy that extended the lifetime of a photochemical electrode to a whopping 500 hours — more than five times the typical 80-hour lifespan...

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- - Volume: 6 - WEEK: 38 Date: 9/17/2018 9:42:59 AM -