Theoretical exploration of novel catalyst support materials for fuel cell applications

2016 ◽  
Vol 4 (39) ◽  
pp. 15181-15188 ◽  
Author(s):  
Xin Xia ◽  
Jane L. R. Yates ◽  
Glenn Jones ◽  
Misbah Sarwar ◽  
Ian Harkness ◽  
...  
Keyword(s):  
Material Selection ◽  
Catalyst Support ◽  
Oxygen Adsorption ◽  
Oxygen Binding ◽  
Support Material ◽  
Support Materials ◽  
Wetting Ability ◽  
Orr Activity ◽  
Novel Catalyst ◽  
Ability Parameter

(Left) The atomic model of oxygen adsorption on the MX supported Pt overlayer film. (Right) Support material selection through the Pt wetting ability parameter δ and oxygen binding energy, ΔE*[O]. The dashed line corresponds to the wetting parameter δ0 of the unsupported Pt(111) surface. The red line denotes the apex of ORR activity.

Alumoxane Precursors to Designer Catalysts and Catalyst Supports: Catalytic Oxidation of Dichloromethane

1996 ◽  
Vol 454 ◽  
Author(s):  
Ron L. Cook ◽  
Cynthia Wong ◽  
C. Jeff Harlan ◽  
Aivaras Kareiva ◽  
Andrew R. Barron
Keyword(s):  
Catalytic Oxidation ◽  
Room Temperature ◽  
Catalyst Support ◽  
Catalytic Performance ◽  
Fine Tuning ◽  
Ceramic Oxides ◽  
Support Materials ◽  
Carboxylate Groups ◽  
Novel Catalyst ◽  
Traditional Approaches

ABSTRACTCarboxylato-alumoxanes are aluminum-oxygen macromolecules consisting of a boehmite-like core surrounded by a sheath of carboxylate groups. The alumoxanes may be processed like organic polymers yet when fired are readily transformed into ceramic oxides. The alumoxanes can be precisely doped at room temperature in aqueous solution with a range of metal cations to prepare novel catalyst and catalyst support materials. The ease of introduction of multiple cations into the alumina lattice via the alumoxane approach provides a method for fine-tuning catalyst support properties and the fabrication of new catalyst materials themselves. Manganese-doped alumina (Mn-Al2O3), formed via the doping of an alumoxane with Mn at room temperature, is presented as an example where the alumoxane route provides enhanced catalytic performance over traditional approaches for the low temperature catalytic oxidation of chlorinated hydrocarbons (CHCs). The Mn-Al2O3 formed from the Mn-doped alumoxane is compared with MnO2/Al2O3 prepared by the incipient wetness method, and commercial Pt/Al2O3 for the oxidation/destruction of dichloromethane (CH2Cl2).

Novel catalyst support materials for PEMfuelcells: current status and future prospects

2009 ◽  
Vol 19 (1) ◽  
pp. 46-59 ◽  
Author(s):  
Yuyan Shao ◽  
Jun Liu ◽  
Yong Wang ◽  
Yuehe Lin
Keyword(s):  
Catalyst Support ◽  
Current Status ◽  
Future Prospects ◽  
Support Materials ◽  
Novel Catalyst

Stabilized magnesia: A novel catalyst (support) material

1989 ◽  
Vol 54 (1) ◽  
pp. 79-90 ◽  
Author(s):  
H. Schaper ◽  
J.J. Berg-Slot ◽  
W.H.J. Stork
Keyword(s):  
Catalyst Support ◽  
Support Material ◽  
Novel Catalyst

ChemInform Abstract: Preparation and Characterization of Novel Catalyst Support Materials: The Hydrous Metal Oxide Ion-Exchangers

ChemInform ◽  
2010 ◽  
Vol 23 (19) ◽  
pp. no-no
Author(s):  
C. H. F. PEDEN ◽  
B. C. BUNKER ◽  
S. L. MARTINEZ ◽  
F. W. LYTLE ◽  
R. B. GREEGOR ◽  
...  
Keyword(s):  
Metal Oxide ◽  
Catalyst Support ◽  
Ion Exchangers ◽  
Support Materials ◽  
Novel Catalyst ◽  
Oxide Ion

Employing Exfoliated Graphite as Novel Support Material for Heterogeneous Model Catalysts

2019 ◽  
Author(s):  
Moritz Wolf ◽  
Nico Fischer ◽  
Michael Claeys
Keyword(s):  
Surface Area ◽  
Graphite Powder ◽  
Model Catalysts ◽  
Model Systems ◽  
Exfoliated Graphite ◽  
Support Material ◽  
Heterogeneous Model ◽  
Support Materials ◽  
Metal Support Interaction ◽  
Catalyst Systems

<p>The inert nature of graphitic samples allows for characterisation of rather isolated supported nanoparticles in model catalysts, as long as sufficiently large inter-particle distances are obtained. However, the low surface area of graphite and the little interaction with nanoparticles result in a challenging application of conventional preparation routes in practice. In the present study, a set of graphitic carbon materials was characterised in order to identify potential support materials for the preparation of model catalyst systems. Various sizes of well-defined Co<sub>3</sub>O<sub>4</sub> nanoparticles were synthesised separately and supported onto exfoliated graphite powder, that is graphite after solvent-assisted exfoliation <i>via</i> ultrasonication resulting in thinner flakes with increased specific surface area. The developed model catalysts are ideally suited for sintering studies of isolated nano-sized cobaltous particles as the graphitic support material does not provide distinct metal-support interaction. Furthermore, the differently sized cobaltous particles in the various model systems render possible studies on structural dependencies of activity, selectivity, and deactivation in cobalt oxide or cobalt catalysed reactions.</p>

scholarly journals Zeolite Surface As a Catalyst Support Material for Synthesis of Single-Walled Carbon Nanotubes

2011 ◽  
Vol 115 (49) ◽  
pp. 24231-24237 ◽  
Author(s):  
Takahiko Moteki ◽  
Yoichi Murakami ◽  
Suguru Noda ◽  
Shigeo Maruyama ◽  
Tatsuya Okubo
Keyword(s):  
Carbon Nanotubes ◽  
Catalyst Support ◽  
Single Walled Carbon Nanotubes ◽  
Support Material ◽  
Zeolite Surface ◽  
Single Walled Carbon ◽  
Walled Carbon Nanotubes
Sign in / Sign up

Export Citation Format

Share Document