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New Li-S battery shows cycle performance comparable to that of Li-ion batteries along with more than double the energy density

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Lithium-sulfur batteries offer a great deal of promise as a next-generation battery technology, with the natural abundance and low cost of sulfur, coupled with the high theoretical energy density of sulfur-based cathodes: 1675 mAh g ?1 Credit: ACS, Lee et al. Click to enlarge. 1 and 2500 Wh kg ?1. —Lee et al. —Lee et al.

Li-ion 150
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DOE Awarding $620M for Smart Grid Demonstration and Energy Storage Projects

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In the second group, an additional 16 awards for a total of $185 million will help fund utility-scale energy storage projects that will enhance the reliability and efficiency of the grid, while reducing the need for new electricity plants. DOE funding $75,161,246, total project value with cost share $150,322,492). 29,561,142.