Journal
CATALYSTS
Volume 7, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/catal7070201
Keywords
metal macrocycle; macro-/mesoporous structure; oxygen reduction reaction; fuel cell
Categories
Funding
- Young Thousand Talents Program of China
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDA09030103]
- National Natural Science Foundation of China [21606219]
Ask authors/readers for more resources
Metal macrocycle based non-noble metal electrocatalysts (NNMEs) with highly efficient oxygen reduction reaction (ORR) activity, good stability, and excellent resistance to the methanol cross-over effect have been regarded as one of the most important alternatives for Pt or Pt based alloys, which are widely used in fuel cells. However, the expensive price of most metal macrocycles hinder further investigation of such a family of NNMEs in large production for practical applications. Here, we introduce a simple strategy to synthesize metal macrocycle based porous carbon (MMPC) material with low cost and easy production of metal macrocycles (hemin (Hm) and vitamin B-12 (VB12)) as raw materials by using a hard template of MgO. The pyrolysis of MMPC under the optimal temperature at 900 degrees C shows comparative ORR performance relative to commercial Pt/C, which could be attributed to the large surface area, macro-/mesoporous structure, the carbon layer encapsulating transition metal based oxides, as well as N-doped carbon species. In addition, MMPC (900) displays a better electrochemical property than 20 wt % Pt/C in terms of durability and tolerance to methanol in O-2-saturated 0.1 M KOH media.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available