High-Efficiency, Low-Cost Solar Cells Can Be Made from Recycled Car Batteries

Posted by on December 25, 2015 in Eco-Friendly, Environment with 2 Comments

© Christine Daniloff/MIT

By Derek Markham | Tree Hugger

MIT researchers have developed a simple process for making perovskite solar cells with lead recovered from old car batteries.

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In the quest for more affordable and efficient clean energy production, perovskite solar cells are a promising development, as they can be made from materials which are abundant and easily processed at low temperatures. And because the resulting cells can be thin, flexible, and lightweight, they may lend themselves to being installed on non-traditional solar surfaces, such as windows or building facades.

However, perovskite cells all use lead as a key ingredient, and to scale up production of these efficient solar components, additional mining and smelting of lead would be required, which adds to the environmental footprint of their manufacture. Researchers are working to find a non-lead substitute for perovskite solar cells, but so far, no alternative materials have proven to be as effective as lead is.

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But now these perovskite solar cells are getting another potential

, as MIT researchers have found a way to produce them using recycled lead from discarded car batteries, which can lessen the impact of their production on the environment. According to the team behind the discovery, perovskite solar cells made with recycled lead work “just as well as those made with high-purity, commercially available starting materials,” which means that recycling the lead from car batteries could help support the production of these next-generation cells, and could be an important bridge for perovskites until lead can be replaced by a less toxic but just as efficient material.

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  1. 162057020822020@facebook.com' Celeste Alesha says:

    The Keshe plasma reactor would be even better ? Plz research it and be informed?

  2. 162057020822020@facebook.com' Celeste Alesha says:


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