Fabrication of Pt–Re atomic alloy catalysts by alloying of atomically dispersed Pt with Re inside the $\beta$-zeolite pores for an oxygen reduction reaction

[摘要] The Pt–Re atomic alloy is fabricated by alloying of atomically dispersed Pt with Re inside the $\beta$-zeolite pores with a size of 0.5–0.6 nanometres. The atomically dispersed Pt–Re alloy species exhibit a surprisingly high mass activity of about 60 A g$^{−1}_{\rm Pt}$ for the oxygen reduction reaction, which is much higher than that of the existing Pt nanoparticle catalysts with a Pt particle size of several nanometres.

[学科分类] 材料工程

[关键词] Pt–Re atomic alloy catalyst;super-high mass activity;oxygen reduction reaction;alloying of atomically dispersed Pt with Re;$\beta$-zeolite pores.