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Scientists convert harmful algal blooms into high-performance battery electrodes

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Photo showing the algal blooms at the point (GPS: 41 degrees42'²16.1'²'²N, 83 degrees28'²30.0'²'²W) in Lake Erie where the algae were collected on August 9, 2014. Inset shows the optical image of dried HABs before (left) and after (right) heating treatmen
(Image by Wayne State University)
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Last August, the seasonal harmful algal blooms (HABs) in Lake Erie grew so extreme that they poisoned the water system in Toledo, Ohio, leaving nearly half a million residents without drinking water. But a few researchers at the time collected some of the toxic HABs, and have now shown that, by heating them at temperatures of 700-1000 °C in argon gas, the HABs can be converted into a material called 'hard carbon' that can be used as high-capacity, low-cost electrodes for sodium-ion (Na-ion) batteries.

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Scott Baker is a Managing Editor & The Economics Editor at Opednews, and a blogger for Huffington Post, Daily Kos, and Global Economic Intersection.

His anthology of updated Opednews articles "America is Not Broke" was published by Tayen Lane Publishing (March, 2015) and may be found here:
http://www.americaisnotbroke.net/

Scott is a former President of Common Ground-NYC (http://commongroundnyc.org/), a Geoist/Georgist activist group. He has written dozens of articles for (more...)
 

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