What's Up With Donut Lab? Lots of Tests, But No Solid-State Batteries in Production
Almost nine months ago, Donut Lab rolled up to CES with the promise of a solid-state battery for electric vehicles free of the usual trade-offs, ready for mass production within a few months, not a few years. And it’s put some merch on sale.Industry observers who might have been optimistic in January now sound a lot more sour. “In my opinion, it’s over for them,” said Eric D.
- ▪Almost nine months ago, Donut Lab rolled up to CES with the promise of a solid-state battery for electric vehicles free of the usual trade-offs, ready for mass production within a few months, not a few years.
- ▪And it’s put some merch on sale.Industry observers who might have been optimistic in January now sound a lot more sour.
- ▪“In my opinion, it’s over for them,” said Eric D.
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| Original publisher | PCMag |
| Canonical URL | https://www.pcmag.com/news/whats-up-with-donut-lab-lots-of-tests-but-no-solid-state-batteries-in-production |
| Publication time | Thu, 08 Oct 26 13:10:18 +0000 |
| Retrieval time | 2026-10-08T13:36:44.001Z |
| Last seen | 2026-10-08T13:36:44.001Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | KybWAyinBYw1 · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
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| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Almost nine months ago, Donut Lab rolled up to CES with the promise of a solid-state battery for electric vehicles free of the usual trade-offs, ready for mass production within a few months, not a few years. The company is still around, but that production battery—and production models of an electric motorcycle that was supposed to be the first rolling exhibit of Donut’s technology—remain somewhere over the next hill.Donut has, however, posted a series of YouTube clips and test results attesting to various aspects of its batteries. And it’s put some merch on sale.Industry observers who might have been optimistic in January now sound a lot more sour. “In my opinion, it’s over for them,” said Eric D.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at PCMag.
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