Science & Tech · Gadgets & EVs · 10 hrs ago
BYD’s Yangwang Luxury Sedan May Use Solid-State Batteries
BYD’s upcoming Yangwang sedan, a luxury electric car, has been spotted testing in China.
Yangwang is the highest tier of BYD’s vehicle lineup, and the sedan is designed for the executive market.
Reports say it could use solid-state batteries, but BYD has not confirmed that.
Most electric-car batteries use a liquid material to move lithium ions; solid-state designs replace it with a solid material.
This could store more energy without adding as much weight, potentially allowing longer driving range, but no range or charging figures are confirmed for this car.
BMW and Mercedes-Benz have tested solid-state battery systems in prototype cars, while noting that more development is needed.
BYD’s next step is to confirm what powers the sedan, with further testing needed to show how the battery performs.
BYD’s upcoming Yangwang executive sedan has been spotted testing in China, amid reports it could use solid-state batteries.
BYD has not confirmed that the sedan will have solid-state batteries.
The roughly 5.5-meter vehicle has coach doors and styling associated with luxury flagship cars.
Yangwang is the highest tier of BYD’s lineup, and the sedan extends the brand into the executive segment.
Solid-state batteries could offer higher energy density, but the sedan’s range and charging speed have not been confirmed.
- Who
- BYD and its Yangwang brand.
- What
- An upcoming Yangwang executive sedan may use solid-state batteries, but BYD has not confirmed this.
- When
- Not stated.
- Where
- The car was spotted testing in China.
- Why
- The sedan extends Yangwang’s luxury push; a solid-state battery could support the brand’s technological differentiation.
This story does not have two clearly opposing sides.
the culmination of three years of meticulous development by Yangwang, featuring the brand’s signature design language, and is an ultra-luxury executive sedan.
BMW announced that an i7 prototype near Munich was testing Solid Power’s all-solid-state cells.
Mercedes-Benz demonstrated an EQS prototype with Factorial lithium-metal solid-state cells, reporting that it traveled 1,205 kilometers without recharging.
- Estimated length
- Roughly 5.5 meters
- Testing location
- China
- Brand position
- Yangwang is the highest tier of BYD’s lineup, above Denza
- BMW test
- An i7 prototype near Munich tested Solid Power all-solid-state cells in May 2025
- Mercedes test
- EQS prototype traveled 1,205 kilometers without recharging in August 2025
Sources
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