The efficiency of lithium-ion and sodium-ion batteries is above 80 percent, meaning that 20 percent or less of the energy stored in the device is lost. By comparison, the round trip efficiency of flow batteries is 85 percent or lower.
Lithium-ion batteries also account for the largest specific energy among battery energy storage technologies, indicating the ratio between the energy contained in a battery and its weight.
Round trip efficiency of battery energy systems worldwide in 2023, by technology
(in percentage)
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The Faraday Institution. (September 14, 2023). Round trip efficiency of battery energy systems worldwide in 2023, by technology (in percentage) [Graph]. In Statista. Retrieved December 22, 2024, from https://www.statista.com/statistics/1423012/efficiency-of-battery-energy-systems/
The Faraday Institution. "Round trip efficiency of battery energy systems worldwide in 2023, by technology (in percentage)." Chart. September 14, 2023. Statista. Accessed December 22, 2024. https://www.statista.com/statistics/1423012/efficiency-of-battery-energy-systems/
The Faraday Institution. (2023). Round trip efficiency of battery energy systems worldwide in 2023, by technology (in percentage). Statista. Statista Inc.. Accessed: December 22, 2024. https://www.statista.com/statistics/1423012/efficiency-of-battery-energy-systems/
The Faraday Institution. "Round Trip Efficiency of Battery Energy Systems Worldwide in 2023, by Technology (in Percentage)." Statista, Statista Inc., 14 Sep 2023, https://www.statista.com/statistics/1423012/efficiency-of-battery-energy-systems/
The Faraday Institution, Round trip efficiency of battery energy systems worldwide in 2023, by technology (in percentage) Statista, https://www.statista.com/statistics/1423012/efficiency-of-battery-energy-systems/ (last visited December 22, 2024)
Round trip efficiency of battery energy systems worldwide in 2023, by technology (in percentage) [Graph], The Faraday Institution, September 14, 2023. [Online]. Available: https://www.statista.com/statistics/1423012/efficiency-of-battery-energy-systems/
