From the end of December 2023, a mini-electric city car called JAC Yiwei EV leaves production lines in China. Nothing transcendent yet.

But this little car runs on sodium-ion batteriesinstead of traditional lithium. The first serial car!

The first serial car, equipped sodium-ion batteries

Manufacturer JAC is a brand that is 50% owned by the Chinese state and 50% by the giant Volkswagen. Recently, the Chinese brand released the Sehol E10X with a changed name JAC Yiwei EV.

The special feature of this micro city car is that it is equipped sodium-ion batteries. To achieve this, JAC has partnered with a battery manufacturer HiNa Battery Technologies (HBT), startup in Beijing.

What is the battery life with a sodium ion battery?

Until now, the vast majority of electric cars run on lithium-ion batteries. But sodium ion technology is a serious alternative and is already in use for two-wheelers.

The Yiwei EV, an electric microcar, is based on a prototype Sehol-E10X from JAC. With its sodium-ion battery 25 kW/hhe could achieve autonomy 252 km according to the Chinese Autonomy Test. With fast charging, the battery can be charged from 10 to 80% in less than 20 minutes.

According to Xia Shunli, the president Ivey, “THE sodium-ion batteries will become an important type of complementary battery LFP batteriesand a low-cost solution that promotes popularization electric cars mass among the general public. »

What are the advantages of sodium over lithium?

Sodium-ion batteries have several notable advantages compared to lithium equivalents.

Already, them manufacturing cost East cheaper their the service life is a little longer than their lithium-requiring counterparts less flammable and finally theirs performance is much better in winter.

The only minus: them the energy density is lower.

Currently, sodium is also more competitive than lithium or even cobalt and nickel. And the cherry on the cake,the amount of sodium contained in the earth’s crust would be 400 times more important than lithium! finally, the use of sodium-ion batteries on a large scale can reduce the cost of producing electric vehicles by almost 10%.

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