The source article which has a more to the point title <i>First Assembly of a Uranium-Based Rechargeable Battery</i> [1]<p>Still I would have though depleted uranium had more value as radiation shielding.<p>[1] <a href="https://www.jaea.go.jp/english/news/press/2025/031301/" rel="nofollow">https://www.jaea.go.jp/english/news/press/2025/031301/</a>