Bluetti launches sodium-ion solar generator


From pv magazine USA

Bluetti, a Las Vegas-based manufacturer of solar energy facilities, PV generators, solar panels, and other solar peripherals, has launched a sodium-ion solar generator, the NA300, and a compatible battery module, the B480.

Bluetti said its first-generation sodium-ion battery excels in thermal stability, fast-charging capacity, low-temperature performance, and integration efficiency, despite slightly lower energy density than its lithium-ion counterparts. The solar generator and battery’s chemical components also feature more abundant materials than traditional lithium-ion batteries, lowering prices and alleviating concerns about resource scarcity.

The sodium-ion power station comes with four 20-amp traditional wall plugs, as well as a 30-amp L14-30 output port, driven by the system’s built-in 3000W pure sine wave inverter.

Thermal stability has become a hallmark issue of lithium-ion batteries, ever since the Arizona Public Service battery failure and corresponding explosion that left eight firefighters and one police officer hospitalized in Surprise, Arizona, in April 2019.

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According to Bluetti, the system can charge to 80% state-of-charge in less than 30 minutes at room temperature. In a low-temperature environment of -20 C, it has an 85% capacity retention rate and 80% system integration efficiency.

BloombergNEF recently updated its technology outlook to include sodium-ion batteries. It said could play a “meaningful role” in the greater storage landscape by 2030.

Bluetti plans to officially debut the NA300 & B480 Sodium-ion Battery Power station at CES 2022 on Jan. 5 in Las Vegas, Nevada.

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