BYD’s luxury brand Yangwang is developing a large, camouflaged sedan photographed in China, and the company has indicated that a production version could use solid-state batteries. The car’s long body, high roof and formal proportions have prompted comparisons with the Rolls-Royce Phantom, though no design details have been confirmed. The report describes it as a potential first for a production car worldwide, but BYD has not given a production timetable or price.
The battery chemistry is presented as a possible route to higher energy density and reduced fire risk compared with conventional lithium-ion cells using liquid or gel electrolytes. In principle, that could mean more range without a larger battery pack, or less battery weight for a similar range. Faster charging is another potential benefit, but it depends on the cell design and battery-management system; durability, manufacturing consistency and cost remain significant challenges.
The sedan would extend Yangwang’s lineup beyond the U8 SUV and U9 supercar, positioning the brand in the top tier of electric luxury cars. BYD already makes its Blade battery for volume models, but the article provides no range, charging, powertrain or other specifications for this new car. Its solid-state plans are still subject to engineering validation, and the technology has yet to reach mass production in a passenger car, according to the source.