On Oct. 19, 20 companies in the emerging domestic supply chain for lithium-ion batteries got some good news: President Biden, together with U.S. Secretary of Energy Jennifer Granholm, announced $2.8 billion in grants to support electrifying America’s light-duty vehicle fleet. But not long ago, a similar set of companies received very different news. Lynas Rare Earths, which was planning to build mineral processing facilities in Texas, found out in June that its project was the target of a Chinese disinformation campaign called “Dragonbridge.” There were fake social media profiles, shared images of angry protestors and calls to rally against the...