The effect of copper on various acid saponite supported Ni–Cu bimetallic catalysts, prepared with different Ni : Cu ratios, has been investigated for the liquid phase hydrogenolysis glycidol.

Despite recent progress in developing active and durable oxygen reduction catalysts with reduced Pt content, lack of elegant bottom-up synthesis procedures with knowledge over the control of atomic arrangement and morphology of the Pt-alloy catalysts still hinders fuel cell commercialization. To follow a less empirical synthesis path for improved Pt-based catalysts, it is essential to correlate...

This study investigates the effect of Pt/Pd ratio on oxidation activity and sulfur poisoning/regeneration diesel catalysts (DOC) using beta zeolites with high siliceous content as support. Formation Pt-Pd alloy leads to contraction cell lattice Pt in bimetallic catalysts, improving not only sintering resistance but also retaining a fraction Pd Pd2+ form. Moreover, improves particles, which enha...

Chemoselective hydrogenation of 5-(hydroxymethyl)furfural (HMF) to 2,5-bis(hydroxymethyl)furan (BHMF) has been efficiently performed using bimetallic CuFe nanoparticles covered by thin carbon layers as catalysts.

In order to help the introduction on the automotive market of polymer electrolyte fuel cells (PEFCs), it is mandatory to develop highly performing and stable catalysts. The main objective of this work is to investigate PtNi/C catalysts in a PEFC under low relative humidity and pressure conditions, more representative of automotive applications. Carbon supported PtNi nanoparticles were prepared ...

To improve the activities of non-noble metal catalysts is highly desirable and valuable to the reduced use of noble metal resources. In this work, the supported nickel (Ni) and nickel-platinum (NiPt) nanocatalysts were derived from a layered double hydroxide/carbon composite precursor. The catalysts were characterized and the role of Pt was analysed using X-ray diffraction (XRD), high-resolutio...

−− Rh, Ni and Rh-Ni catalysts were prepared by wet impregnation of La2O3. The Rh content was modified but the Ni loading was kept constant at 2 wt%. The solids were calcined at 823 K in air flow and were reduced at 973 K in flowing hydrogen. The activity, stability, and residue formation during the CO2 reforming of CH4, of all the catalysts were tested in a fixed-bed reactor. Those with low car...

CeO2を担体とした一連のPt系二元金属触媒 (Pt3M/CeO2, M = Bi, Ga, Ge, In, Sn) を調製し，電場下でのメタン非酸化カップリングにおいて300℃という比較的低温領域にてその触媒性能を試験した。単金属Pt（Pt/CeO2）およびPtをGeまたはInで修飾した触媒（Pt3Ge/CeO2，Pt3In/CeO2）では反応はほとんど進行しなかったが，PtをSnまたはBiで修飾した触媒（Pt3Sn/CeO2，Pt3Bi/CeO2）では，エタンおよびエチレンの収率が大きく向上し，Ptのみの場合に比べそれぞれ100倍，70倍に向上した。またこれらの触媒ではプロパンとプロピレンの生成も少量確認された。単位電力当たりの触媒活性で比較すると，Pt3Bi/CeO2はPt3Sn/CeO2に比べ2.4倍の活性を示しただけでなく，オレフィン含有量も高かった。