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Pd nanoreactors with excellent catalytic activity supported in p(SPA) hydrogel networks for hydrogen production from ethylenediamine bisborane

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  • Ozay, Hava
  • Ilgin, Pinar
  • Sezgintürk, Mustafa Kemal
  • Ozay, Ozgur

Abstract

In this study we synthesized Pd(0) nanoparticles with nearly 20 nm size using p(3-Sulfopropyl acrylate) (p(SPA)) hydrogel as support material. Pd@p(SPA) containing Pd (0) nanoparticles with nearly homogeneous distribution was characterized structurally with TEM, XRD, XPS and elemental mapping. The Pd@p(SPA) was used for the catalytic hydrolysis reaction of ethylenediamine bisborane (EDAB). A series of reactions were completed by changing parameters like the catalyst amount, EDAB concentration and temperature. The Pd@p(SPA) was determined to have turnover frequency (TOF) value of 354 mol H2.molPd(0)−1.h−1 at 30 °C for the hydrolysis reaction of EDAB. The activation parameters for the reaction were Ea = 67.79 kJmol-1, ΔH# = 65.15 kJmol-1 and ΔS# = -103.26 Jmol−1K−1. Pd@p(SPA) also had excellent reusability for the hydrolysis of EDAB. Even after ten reaction cycles, Pd@p(SPA) had 87% catalytic activity. At the same time after four months of storage in an aqueous medium, Pd@p(SPA) still had 100% catalytic activity.

Suggested Citation

  • Ozay, Hava & Ilgin, Pinar & Sezgintürk, Mustafa Kemal & Ozay, Ozgur, 2020. "Pd nanoreactors with excellent catalytic activity supported in p(SPA) hydrogel networks for hydrogen production from ethylenediamine bisborane," Renewable Energy, Elsevier, vol. 155(C), pages 500-512.
    • Handle: RePEc:eee:renene:v:155:y:2020:i:c:p:500-512
    DOI: 10.1016/j.renene.2020.03.177
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    References listed on IDEAS

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    1. Bozkurt, Gamze & Özer, Abdulkadir & Yurtcan, Ayşe Bayrakçeken, 2019. "Development of effective catalysts for hydrogen generation from sodium borohydride: Ru, Pt, Pd nanoparticles supported on Co3O4," Energy, Elsevier, vol. 180(C), pages 702-713.
    2. Wu, Chongbei & Guo, Jingya & Zhang, Jifang & Zhao, Yanchun & Tian, Jianniao & Isimjan, Tayirjan Taylor & Yang, Xiulin, 2019. "Palladium nanoclusters decorated partially decomposed porous ZIF-67 polyhedron with ultrahigh catalytic activity and stability on hydrogen generation," Renewable Energy, Elsevier, vol. 136(C), pages 1064-1070.
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