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- W4282027705 endingPage "22762" @default.
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- W4282027705 abstract "Developing an efficient, hydrothermally stable and non-noble metal catalyst is a key for application of aqueous-phase reforming of methanol (APRM) to produce hydrogen in situ. Herein, a [email protected] catalyst with high metal loading (44.9 wt %) and sub-6 nm Cu nanoparticle size was synthesized by pyrolyzing Cu-chitosan chelates. The coordination between metal ions (Cu2+) and amine functional groups in chitosan enabled high metallic dispersion in Cu-chitosan chelates. After pyrolysis, the Cu nanoparticles were embedded in N-doped carbon (NC) matrix. This confinement effect ensured remarkable hydrothermal stability for the [email protected] catalyst. As a result, a high hydrogen production rate of 34.0 μmol·gcat−1·s−1 was obtained over [email protected] catalyst, about 12.6 times higher than that of a traditionally impregnated Cu/C catalyst. Notably, no deactivation and aggregation of Cu nanoparticle were observed after 200 h’ running in APRM, indicating excellent hydrothermal stability of the [email protected] catalyst. Thus, this work developed a simple strategy to prepare an efficient and robust catalyst that could work well under hash hydrothermal conditions for application of APRM on the compact mobile devices." @default.
- W4282027705 created "2022-06-13" @default.
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- W4282027705 date "2022-06-01" @default.
- W4282027705 modified "2023-10-01" @default.
- W4282027705 title "High-loaded sub-6 nm Cu catalyst with superior hydrothermal-stability and efficiency for aqueous phase reforming of methanol to hydrogen" @default.
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- W4282027705 doi "https://doi.org/10.1016/j.ijhydene.2022.05.085" @default.
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