Figure 2.
Schematic of biomass types and the active sites in the cathode side of the fuel cell. Figures reproduced with permission from ref (86). Copyright 2010 Hosowaka Powder Technology Foundation.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.