Flow batteries top DOE’s long-duration energy storage cost comparison19 Aug 2024 11:14
16 Aug 2024
The 10 LDES technology areas evaluated span several energy storage families: Flow batteries (FB), lithium-ion batteries (LIB), lead-acid batteries (PbA), hydrogen storage, sodium-ion batteries (NAIB), electro-chemical double layer capacitors (Supercapacitors/EDLC), zinc batteries, compressed air storages (CAES), pumped storage hydropower (PSH) and molten salt storage (TES).
Flow batteries have the best rate between costs and performance according to today’s technological status, as low as $0.06/kWh, which is close to DOE’s $0.05/kWh target. Lithium-ion batteries hold the second place with $0.07/kWh, followed by zinc battery varieties, e.g. ZnMnO2, with $0.08/kWh and the first ever rechargeable battery, the lead-acid battery with $0.09/kWh.
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