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Sehol E10X: Affordable Chinese Electric Vehicle with Sodium-Ion Batteries on Test

Are electric cars being "democratized" in China? While the debate is still ongoing here, Chinese manufacturers are creating facts. After BYD, the VW-JAC joint venture sister brand Sehol is also targeting a small car with affordable sodium-ion batteries, but has not yet set a timeline. Unlike BYD.

Small but mighty: The Chinese brand Sehol has introduced a pilot vehicle of the compact car E10X, which features sodium-ion batteries. | Photo: Sehol
Small but mighty: The Chinese brand Sehol has introduced a pilot vehicle of the compact car E10X, which features sodium-ion batteries. | Photo: Sehol
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After the Chinese automotive and battery giant BYD announced the introduction of an affordable electric subcompact car named Seagull in January, the JAC Group is now following suit with its VW joint venture brand Sehol and testing a subcompact car for the first time with cost-effective sodium-ion battery cells. So far, this type of battery has only been used in two-wheelers. The partner involved is the battery specialist Hina Battery. The test vehicle is based on JAC's Sehol E10X subcompact model and features a battery pack with a capacity of 25 kWh and an energy density of 120 Wh/kg. Normally, electric vehicles have an energy density of 150 to 200 watt-hours. This should be sufficient for a range of 252 kilometers and supports fast charging, restoring 80 percent of the capacity within 15 minutes. According to Hina, even at minus 10 degrees Celsius, 90 percent of the capacity is still available. The standard version of the Sehol E10X currently comes with two battery capacities, 19.7 kWh and 31.4 kWh, with a range of 200 km and 302 km. The price is 6,800 US dollars. Sodium as a basic material would be significantly less problematic than lithium, also cheaper and soluble from sea salt.

"We assume that the application of sodium-ion batteries in the market for new energy vehicles will begin with the A00 class, which is why we selected a model like the Sehol E10X for our installation trials," a senior company executive is quoted as saying in a post on Sehol's official WeChat account, as reported by the CnEVPost platform.

With further development, the technology would also be suitable for medium to large electric vehicles. According to CnEVPost, Sehol will continue to monitor the use of sodium-ion batteries and introduce appropriate products to the market at the "right time." As the platform further notes, CATL had already introduced its first-generation sodium-ion battery in July 2021, claiming an energy density of 160 Wh/kg. In total, the energy density of the first generation sodium-ion battery is somewhat lower than current lithium iron phosphate batteries, but it offers clear advantages in performance at low temperatures and fast charging, according to BYD as reported by CnEVPost at the time.

According to the local media company LatePost, BYD also plans mass production of sodium-ion batteries in the second quarter of 2023, which are to be used in the Qin EV, Dolphin, and the new model of the fully electric small car Seagull.

Translated automatically from German.
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