TREE NEWS update: Ouyang Minggao, an academician of the Chinese Academy of Sciences and professor at Tsinghua University, said all batteries currently billed as industrialized solid-state units are actually hybrid solid-liquid batteries, with no true all-solid-state battery in mass production. His remarks follow recent announcements by several automakers that their solid-state batteries had rolled off production lines. The comments were reported by Economic Daily.
Academician Says No True All-Solid-State Battery in Mass Production
The gap between marketing language and technical reality is the real story here: an authoritative academic voice is publicly contesting how "solid-state" is being defined just as automakers race to claim production milestones. This matters for anyone pricing solid-state progress into battery or EV supply-chain narratives, since credibility now hinges on disclosure of electrolyte composition rather than rollout announcements. Whether the industry converges on a shared definition — or the dispute stays confined to expert commentary — is the open question worth tracking.
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