PNNL study outlines requirements for grid storage, reviews four electrochemical energy storage systems: vanadium redox flow, Na-beta, Li-ion and lead-carbon
Green Car Congress
MARCH 15, 2011
To be successful, systems will need to evolve—in some cases, considerably—to compete financially with the cost of natural gas production. However, the authors note, to date EES (almost exclusively pumped hydroelectric storage) contributes to only about 2% of the installed generation capacity in the United States.
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