High-surface-area CoTMPP/C synthesized by ultrasonic spray pyrolysis for PEM fuel cell electrocatalysts
作者： Hansan Liu , Chaojie Song , Yuanhua Tang , Jianlu Zhang , Jiujun Zhang
DOI: 10.1016/J.ELECTACTA.2006.12.056
关键词:
摘要: Ultrasonic spray pyrolysis (USP) was used to synthesize a high-surface-area CoTMPP/C catalyst for oxygen reduction reaction (ORR). SEM micrographs showed that the USP-derived CoTMPP/C consists of spherical, porous and uniform particles with a diameter of 2–5μm, which is superior to that with a random morphology and large particle sizes (up to 100μm) synthesized by the conventional heat-treatment method. BET results revealed that the USP-derived catalyst had a higher specific surface area (834m2g− 1) than the …
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