TULSA, Okla. (AP) — A Chinese national who admitted stealing trade secrets from a U.S. petroleum company has been sentenced to two years in federal prison.

Hongjin Tan, 36, pleaded guilty in November to theft of a trade secret in connection to his work as a scientist at a Phillips 66 research facility in Bartlesville, about 40 miles (65 kilometers) north of Tulsa. Prosecutors said Tan used a thumb drive to copy hundreds of files containing information about "next generation battery technologies" for use in the energy industry.

Tan was sentenced Thursday in Tulsa and also ordered to pay $150,00...