Eur. Phys. J. Appl. Phys. 98, 15 (2023)
https://doi.org/10.1051/epjap/2023220271

Regular Article

Efficient catalytic hydrogen generation from formic acid dehydrogenation on ultrafine PdAu nanoparticles supported on modified carbon derived from rice straw

College of Material Science and Engineering, Key Laboratory of Advanced Structural Materials, Ministry of Education, Changchun University of Technology, Changchun 130012, P.R. China

^* e-mail: wanghongli@ccut.edu.cn; zhaozk@ccut.edu.cn

Received: 30 October 2022
Received in final form: 23 December 2022
Accepted: 31 January 2023
Published online: 7 March 2023

Abstract

Formic acid (FA) dehydrogenation at ambient conditions is a promising route for hydrogen (H₂) generation but still suffers from low activity and selectivity. Here, potassium hydroxide (KOH) and 3-aminopropyl triethoxysilane (APTES) modified porous carbon derived from the pyrolysis of rice straw (RSNPC) offers an effective support to promote the formation of ultrafine PdAu nanoparticles (NPs). Benefiting from the small sizes of PdAu NPs, the Pd_0.7Au_0.3/RSNPC catalyst exhibits excellent catalytic performance for FA dehydrogenation reaction with a high turnover frequency (TOF) of 6794.3 mol H₂ mol catalyst⁻¹ h⁻¹ at ambient conditions, outperforming most of reported catalysts for FA dehydrogenation under similar conditions.