28 Mar '12, 1pm

Brown Liquor and Solar Cells to Provide Sustainable Electricity

Brown Liquor and Solar Cells to Provide Sustainable Electricity

Organic solar cells based on conductive plastic is a low cost alternative that has achieved high enough performance to be upscaled and, in turn, become competitive. However, solar electricity must be able to be stored from day to night, as well as electricity from wind turbines from windy to calm days. In conventional batteries metal oxides conduct the charge. Materials, such as cobalt, are expensive and a limited resource; therefore, low-cost solutions are sought — preferably with renewable materials. “Nature solved the problem long ago,” says Olle Inganäs, professor of biomolecular and organic electronics at Linköping University (LiU) and lead author of the article in this week's edition of Science. He drew inspiration from the process of photosynthesis, where electrons charged by solar energy are transported by quinones — electrochemically active molecules based on benz...

Full article: http://www.renewableenergyworld.com/rea/news/article/2012...

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