The plasma-based technique uses a nonthermal plasma-water interface to break down methane. While the experiment initially prioritized hydrogen production, researchers discovered the process yields high-purity graphene oxide as a primary output. David Staack, an associate professor at the university, noted that the team is building the material from methane molecules rather than using traditional methods that require breaking apart bulk materials. This development, detailed in Nature Communications, also produces green hydrogen as a byproduct with minimal greenhouse gas emissions.

This discovery arrives as the demand for grid-scale battery storage intensifies due to the surging energy needs of the artificial intelligence sector. With companies like General Motors and China’s CATL scaling up production, the ability to manufacture battery components domestically could alter the competitive landscape. For the United States, the technology offers a potential avenue to reduce reliance on Chinese-dominated supply chains in the lithium-ion sector, addressing both economic and national security concerns.