Hydrogen evolution from NaBH4 using novel Ni/Pt nanoparticles decorated on a niobium-based composite

Sperandio, Gabriel Henrique; de Carvalho, Jéssica Passos; de Jesus, Camilo Bruno Ramos; Junior, Iterlandes Machado; de Oliveira, Kleryton Luiz Alves; Puiatti, Gustavo Alves; de Jesus, Jemmyson Romário; Moreira, Renata Pereira Lopes

doi:10.1016/j.ijhydene.2024.07.022

International Journal of Hydrogen Energy

2024

DOI: 10.1016/j.ijhydene.2024.07.022

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Hydrogen evolution from NaBH4 using novel Ni/Pt nanoparticles decorated on a niobium-based composite

Gabriel Henrique Sperandio,

Jéssica Passos de Carvalho,

Camilo Bruno Ramos de Jesus

et al.

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2024

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Cited by 3 publications

References 75 publications

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Preparation of Effective NiCrPd-Decorated Carbon Nanofibers Derived from Polyvinylpyrrolidone as a Catalyst for H2 Generation from the Dehydrogenation of NaBH4

Yousef

2024

Polymers

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The catalytic dehydrogenation of NaBH4 for the generation of H2 has a lot of potential as a reliable and achievable approach to make H2, which could be used as a safe and cost-effective energy source in the near future. This work describes the production of unique trimetallic NiCrPd-decorated carbon nanofiber (NiCrPd-decorated CNF) catalysts using electrospinning. The catalysts demonstrated exceptional catalytic activity in generating H2 through NaBH4 dehydrogenation. The catalysts were characterized using SEM, XRD, TEM, and TEM-EDX analyses. NiCrPd-decorated CNF formulations have shown higher catalytic activity in the dehydrogenation of NaBH4 compared with NiCr-decorated CNFs. It is likely that the better catalytic performance is because the three metals in the NiCrPd-decorated CNF structure interact with each other. Furthermore, the NiCrPd-decorated CNFs catalyzed the dehydrogenation of NaBH4 with an activation energy (Ea) of 26.55 KJ/mol. The kinetics studies showed that the reaction is first-order dependent on the dose of NiCrPd-decorated CNFs and zero-order dependent on the concentration of NaBH4.

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Preparation of Effective NiCrPd-Decorated Carbon Nanofibers Derived from Polyvinylpyrrolidone as a Catalyst for H2 Generation from the Dehydrogenation of NaBH4

Yousef

2024

Polymers

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Niobium Metal–Organic Framework Is an Efficient Catalytic Support for the Green Hydrogen Evolution Process from Metal Hydride

Coelho,

Sperandio,

Chagas da Silva

et al. 2024

Processes

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Herein, the development of a niobium-based metal–organic framework (Nb-MOF) designed to serve as a catalytic support for the production of hydrogen (H2) from sodium borohydride (NaBH4) is reported. The Nb-MOF was synthesized via a solvothermal method using niobium ammoniacal oxalate (AmOxaNb) as the metal source and 1,4-benzenedicarboxylic acid (BDC) as the ligand. The resulting MOF was characterized by Fourier transform infrared (FT-IR) spectroscopy, thermogravimetric analysis (TGA), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDS). The characterization study confirmed the successful synthesis of Nb-MOF. The catalytic activity was optimized by examining five key factors: (i) platinum (Pt) and cobalt (Co) bimetallic compositions (ranging from 1:0 to 0:1 mmol), (ii) NaBH4 concentration (0.2, 0.3, 0.4, and 0.5 mol L−1), (iii) the Nb-MOF/Pt–Co catalyst dose (0.05, 0.10, 0.20, and 0.40 mmol), (iv) sodium hydroxide (NaOH) concentration (0.01, 0.05, 0.1, and 0.2 mol L−1), and (v) system temperature (293.15, 298.15, 303.15, 313.15, and 323.15 K). The optimal catalyst was identified as Nb-MOF supporting a Pt-Co bimetallic composition in a 0.4:0.6 mmol ratio, achieving a hydrogen generation rate (HGR) of 1473 mL min−1 gcat−1 and an activation energy of 19.2 kJ mol−1. Furthermore, this catalyst maintained its efficiency over 20 cycles, demonstrating significant potential as a sustainable solution for H2 evolution from NaBH4.

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Development of a Niobium-Based Coordination Compound with Catalytic Applications for Green Hydrogen Evolution

Squizzatto,

Andrade,

Lopes Moreira

et al. 2024

Processes

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Green hydrogen (H2) offers a sustainable alternative to non-renewable energy sources. This study focuses on enhancing H2 generation from sodium borohydride (NaBH4) using a platinum nanoparticle (Pt-NP) catalyst supported on a niobium-based coordination compound, [Nb(BDC)0.9(PDC)0.1]n, synthesized via a solvothermal method with 1,4-benzenedicarboxylic acid (BDC) and 2,5-pyridinedicarboxylic acid (PDC). Characterization techniques including Scanning Electron Microscopy (SEM), Energy Dispersive X-ray Spectroscopy (EDS), Brunauer–Emmett–Teller (BET) analysis, Raman spectroscopy, and X-ray diffraction (XRD) confirm the morphology, composition, surface area (398.583 m2g−1), and crystallinity of the material. The in situ synthesized Pt-NPs showed a hydrogen generation rate (HGR) of 86.588 mL min−1 g−1 when alone, while the supported catalyst achieved an enhanced HGR of 119.020 mL min−1 g−1 under optimal conditions (10 mmol% Pt, 0.5 mmol NaBH4, 303.15 K). The low activation energy (Ea) of 16.38 kJ mol−1 indicates efficient catalysis. The catalyst maintained stable performance in recycling tests, demonstrating its potential for practical applications in H2 evolution from NaBH4.

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Hydrogen evolution from NaBH4 using novel Ni/Pt nanoparticles decorated on a niobium-based composite

Cited by 3 publications

References 75 publications

Preparation of Effective NiCrPd-Decorated Carbon Nanofibers Derived from Polyvinylpyrrolidone as a Catalyst for H2 Generation from the Dehydrogenation of NaBH4

Preparation of Effective NiCrPd-Decorated Carbon Nanofibers Derived from Polyvinylpyrrolidone as a Catalyst for H2 Generation from the Dehydrogenation of NaBH4

Niobium Metal–Organic Framework Is an Efficient Catalytic Support for the Green Hydrogen Evolution Process from Metal Hydride

Development of a Niobium-Based Coordination Compound with Catalytic Applications for Green Hydrogen Evolution

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