Researchers Develop Self-Healing Solar Cells

self-healing solar cell



DSSCs are potentially able to generate electricity even at low levels of light, such as in a shady areas or on overcast days. During testing they have also been able to reach efficiencies that are almost equal to the conventional silicon-based solar cells. Through the work of NCSU researchers one of their major drawbacks, namely losing effectiveness over time, has now apparently been solved.

The other major drawback of DSSC design is that they utilize a liquid electrolyte, which has detrimental temperature stability problems. The electrolyte freezes at low temperatures, which ceases energy production and can physically damage the cells. On the other hand, in times of higher temperatures, the electrolyte liquid expands, meaning that the solar panels cannot be sealed properly.

Mainstream use of DSSC cells in the solar power market may not yet be on the horizon, but these cells are currently already being produced on a large scale for powering gadgets and other mobile devices. A number of companies are also considering developing these cells for building applications, such as embedding them in window glass in an effort to prevent heat loss. With the work of NCSU researchers, these cells are now able to maintain their capacity and efficiency over long periods of time, which certainly brings this promising sustainable technology one step closer to a wider application.

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