Solid-state is not one finished product
Battery announcements use similar-sounding labels for materially different electrolyte designs and stages of development. Read the chemistry and the development stage separately.
Canvas of Knowledge · 14 November 2026 · Illustrated explainerDISTINGUISH THE TERMS
A hybrid solid-liquid design retains a liquid component. An all-solid-state design pursues solid electrolytes. A product name alone does not establish which architecture is inside.
CHINA AND EUROPE
Gotion’s 2026 annual reporting distinguishes its G-Yuan hybrid solid-liquid battery from an all-solid-state pilot line. BMW announced testing Solid Power all-solid-state cells in an i7 development vehicle in May 2025.
TEST IS NOT RETAIL
A cell sample, pilot line, road-test vehicle and mass-delivered customer car are different milestones. Higher cell energy density does not by itself prove pack durability, cost or manufacturing yield.
THE IDEA TO KEEPCompare like with like: electrolyte architecture, cell versus pack figures, and demonstrated production stage.
Sources & further reading
Sources reviewed 14 November 2026. Specifications and availability depend on the product, market and date. Source organisations do not endorse this website.