How expensive is making lithium-ion batteries? Is there an effective alternative to lithium-ion batteries? - Quora
BNEF annual Li-ion battery price survey finds prices fell 13% from 2018 to average $156/kWh in 2019 - Green Car Congress
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Prospective improvements in cost and cycle life of off-grid lithium-ion battery packs: An analysis informed by expert elicitations - ScienceDirect
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Lithium-Ion Battery Prices are Declining, Powering Growth and Opportunity in the U.S. Energy Storage Market | SEPA
Re-examining rates of lithium-ion battery technology improvement and cost decline - Energy & Environmental Science (RSC Publishing)
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