Currently, nitric acid—a crucial chemical for weapons production—must be synthesized from ammonia, tying the United States to foreign exporters and presenting a supply chain risk in a future war.

Nitric acid and ammonia are the two important reactive forms of nitrogen, which are widely used in human life and production. In 2017, the worldwide production of HNO3 and NH3 was estimated to be 50 ...

Plasma synthesis of HNO 3 from ambient air and H 2 O （Image by ZENG et al.） The electrosynthesis process driven by green electricity and using water as a proton source is expected to overcome the ...