Research / 2020 / Article / Fig 6

Review Article

Structure Engineering in Biomass-Derived Carbon Materials for Electrochemical Energy Storage

Figure 6

(a) Graphic illustration of pyrolysis process of kelp in the NH3. (b) N1s, (c) O1s XPS profiles, and (d) specific capacitances of kelp-derived carbon [118] (copyright 2015, American Chemical Society). (e) Graphic illustration of the preparation procedure of S/nitrogen-rich mesoporous carbon [119] (copyright 2014, Elsevier).