Hierarchical porous carbon biochar nanotubes encapsulated metal nanocrystals with a strong metal-carbon interaction for high-performance supercapacitors.

ABSTRACT: Biomass-based engineered hierarchical porous carbons derived from biomass waste are deemed cost-effective and sustainable materials for supercapacitors, thanks to their tunable properties, e.g., high conductivity, and stability; however, their multiple preparation steps and low capacitance are deemed significant challenges. These issues were addressed herein through the rational design of hierarchical porous carbon nanotubes (p-CNTs) enriched with metal nanocrystals (M/p-CNTs) (M=Cu, Co, W, Bi, and Mo) via the ultrasonic impregnation of coconut silks in metal precursor solutions and pyrolysis under nitrogen. This approach promotes a green, one-pot method that eliminates the need for activation steps or hazardous chemicals, and endows the formation of nanotubes through a strong-metal carbon

SUBMITTER: Idris Abdu H 

PROVIDER: S-EPMC12504965 | biostudies-literature | 2025 Oct

REPOSITORIES: biostudies-literature