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BYD launches sodium-ion grid-scale BESS product
BYD has launched what it claimed is the 'world's first high-performance' sodium-ion BESS product, using its Long Blade Battery cell.
Furthermore, sodium-ion batteries offer a higher charge/discharge rate, a broader operating temperature range, a longer cycle life, and improved safety.” Sodium-ion cells are however much less energy dense, as illustrated by BYD’s new product only packing 2.3MWh per 20-foot container, much less than the 5MWh and more than is now standard in the lithium-ion BESS space. The US Department of Energy (DOE) last week (21 November) awarded US$50 million to establish the ‘Low-cost Earth-abundant Na-ion Storage (LENS) Consortium’, which aims to develop high-energy, long-lasting sodium-ion battery technology.
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