fig1
Figure 1. (A) Cu-chitosan, Cu-cellulose and Cu-chitin electro-catalyze the transformation of CO2 into C2+ products. Reproduced from Ref.[5], Copyright 2026, Springer Nature; (B) N-functionalized chitosan biochars have high CO2 adsorption capacity. Reproduced from Ref.[6], Copyright 2025, ACS Publications. FE: Faradaic efficiency; HER: hydrogen evolution reaction; NPs: nanoparticles.
