Vinfast !, page-27

ProLogium has two different solid-state battery structures, one with SiOx anode and the other with Li-metal anode. Both use NCM811 in cathodes.

https://prologium.com/tech/core-technology/

"Hanoi, Vietnam, July 6, 2022 – VinFast, through a company in Vingroup, today announced an investment in the tens of millions of US dollars investment in ProLogium, a global leading manufacturer in next-generation solid-state battery.
...
Under the strategic cooperation arrangements, ProLogium plans to provide solid-state battery cells to VinFast starting from 2024 to support its next generation line-up. ProLogium’s first major solid state battery plant, which is slated to launch in early 2023, will devote a significant portion of the facility’s production capacity to supply VinFast. In the future, ProLogium and Vinfast may also establish a joint-venture solid-state battery factory in Vietnam."

https://prologium.com/vinfast-partners-with-and-inbests-in-prologium-for-solid-state-batteries-development/