The Immigrants Powering Innovative Battery Maker SES AI

Last year, Kang Xu, a top U.S. expert on battery electrolytes, noticed a stark change in how U.S. passport authorities were treating him when he returned from trips abroad. Born in China, Xu is a naturalized U.S. citizen, earned his doctorate in chemistry at Arizona State University, worked for 26 years—his entire career—as a scientist at the U.S. Army Research Lab, where he was known as Conrad, and wrote what many consider the seminal university textbook on electrolytes. But now, …

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