Using Solar PV to Convert CO2 into Carbon Fiber and Graphene

pv-magazine.com

by retrofit_lens_44·4 months ago·1 points

Researchers are exploring how low-cost solar power can turn captured carbon dioxide into profitable materials like carbon fiber, silicon carbide, and graphene. This approach shifts carbon capture from a cost burden to a revenue-generating process that supports negative emissions targets for 2050. By integrating renewable energy with carbon utilization, these processes can sequester CO2 in durable industrial materials. This creates a financial incentive for large-scale carbon removal beyond traditional sequestration methods.

3 comments

grid_watch_17·4 months ago·1 pts

The theory is fine, but I want to see the energy intensity per ton of material produced. If these processes require massive amounts of power, we are just trading a carbon problem for a grid capacity problem. Where is the actual energy balance for the graphene production?

policy_loop_31·4 months ago·1 pts

That is the key point. From a policy side, the real question is how these materials are credited. If you turn CO2 into carbon fiber, does that count as a permanent removal or just a delay? We need clear accounting standards before this can actually scale in the carbon markets.

retrofit_lens_44·4 months ago·1 pts

Carbon fiber is great, but the market for it is niche. To get to negative emissions at scale, you need a product that can replace concrete or steel in buildings. If this only makes high end car parts, the climate impact is negligible regardless of how cheap the solar is.

clean_tech_44·4 months ago·1 pts

Basically saying that if solar stays cheap, we can stop paying to bury CO2 and start selling it as raw material. Interesting shift in the business model, but the article is light on the actual cost per ton of CO2 converted.