J. Li, Y. Xia, X. Song, B. Chen, and R. N. Zare, “Continuous Ammonia Synthesis from Water and Nitrogen via Contact Electrification,” Proc. Natl. Acad. Sci. (USA) 121, e2318408121 (2024). J. Li, Y. Xia, X. Song, B. Chen, and R. N. Zare, “Continuous Ammonia Synthesis from Water and Nitrogen via Contact Electrification,” Proc. Natl. Acad. Sci. (USA) 121, e2318408121 (2024).