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| Title | : | Construction and Reactivity of PT-Based Bi-Component Catalytic Systems |
| Author | : | Rentao Mu |
| Language | : | en |
| Rating | : | 4.90 out of 5 stars |
| Type | : | PDF, ePub, Kindle |
| Uploaded | : | Apr 15, 2021 |
| Book code | : | e34d5 |
[e34d5] ^Full! @Download% Construction and Reactivity of PT-Based Bi-Component Catalytic Systems - Rentao Mu ~P.D.F!
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In this thesis, the author outlines the construction of active structure and modulation of catalytic reactivity of pt-based bi-component catalysts, from the model systems to real supported catalysts. The thesis investigates the promotion effect of the second components on catalytic performance of pt catalysts, and presents the reversible generation of the “sandwich-like” structure of pt-ni.
We construct and study the catalytic properties of various ni–pt (111) model surfaces. We find the sandwich-like structure which consists of surface nio 1−x and subsurface ni performs best co oxidation reactivity. The surface nio 1−x provides active sites for o 2 dissociative adsorption. The subsurface ni lowers the barrier for co + o elemental reaction.
On the basis of above considerations, it is clear that structure construction strategy endows unsupported pt nanocatalysts a high mor stability and an improved activity from the geometric advantages. However, the pure pt catalysts are prone to poisoning by the reaction intermediates (mainly co), thus the active sites will be occupied and blocked.
The (111), (100) and (110) low-index facets were proved in high stability and durability in catalysis, and good re-construction in the catalytic fc reactions [10, 81,82].
Further reusable more than five times in dehalogenation and reduction reactions of olefins. (a) construction of nanopore for focused ion-beam driven deposition techniq.
Nov 2, 2020 the reactivity series is a series of metals, in order of reactivity from highest to lowest. It is used to determine the products of single displacement reactions, whereby metal a will replace another pt, pt+, highly.
Construction and reactivity of pt based bi component catalytic systems by mu, rentao in this thesis, the author outlines the construction of active structure and modulation of catalytic reactivity of pt-based bi-component catalysts, from the model systems to real supported catalysts.
Then, using several typical cases, we summarize electrochemical evaluations on the pt-based shape-/composition-dependent nanocatalysts toward reactions on both the anode and the cathode. Lastly, we provide an outlook of current challenges and promising directions for shape-controlled pt-m bimetallic electrocatalysts.
Construction of an engineered alpha 1-antitrypsin with inhibitory activity based on theoretical studies. Aat has a characteristic secondary structure of three-β-sheets, nine-α-helices and a reactive central loop (rcl).
In: construction and reactivity of pt-based bi-component catalytic systems.
It is more efficient than the others due to high charged particle and reactive species the pt based converters are compact, efficient (especially for high step-up.
Apr 24, 2020 the reaction performance of the coupled au-pt catalysts can be tuned to sites and immobilization of reactive centers for catalytic reactions [16,17].
Physical therapy management (current best evidence) due to the nature of the uterine wall prior to delivering the baby[8] pulmonary edema - fluid build up in population-based hpv prevalence studies show that the greatest prevalenc.
Construction and reactivity of pt-based bi-component catalytic systems (springer theses) - kindle edition by mu, rentao. Download it once and read it on your kindle device, pc, phones or tablets. Use features like bookmarks, note taking and highlighting while reading construction and reactivity of pt-based bi-component catalytic systems (springer theses).
Upon the reduction at a high temperature of 623 k, the formation of pt-skin surface is observed. The catalysts pretreated at low temperatures show high co oxidation reactivity due to the formation of the sandwich-like structure with surface and subsurface ni species.
Recent advances on electro-oxidation of ethanol on pt- and pd-based catalysts: from reaction mechanisms to catalytic materials.
Controlling the morphology of pt-based nanomaterials can be an effective way to improve the catalytic activity on a mass basis. Herein we demonstrate for the first time the synthesis of monodispersed core–shell [email protected] nanoparticles with multiply twinned structures. These multiply twinned particles (mtps), which possess the icosahedra structure, exhibit superior catalytic activity toward oxygen reduction reaction (orr) in fuel cells.
The nano-sized pt-based particles face serious agglomeration problem, which make their catalytic performances decreased. In order to maintain good dispersibility and stability of the pt-based nps during catalytic processes, it is necessary to deposit the pt nps onto the support materials [117,118,119]. There are several basic requirements for the support materials, including a high specific surface area, abundant pt anchoring sites, the high stability, and good dispersion.
Synergistic construction of bifunctional and stable pt/hzsm-5-based catalysts for efficient catalytic cracking of n-butane. Huaqian sun state key laboratory of heavy oil processing, china university of petroleum, beijing, beijing 102249, china.
Proton exchange membrane fuel cells (pemfcs) with high efficiency and nonpollution characteristics have attracted massive attention from both academic and industrial communities due to their irreplaceable roles in building the future sustainable energy system.
Nov 1, 2019 to assess this, we prepare pd@pt and pdh@pt core-shell octahedra reaction kinetics in alkaline electrolytes with pt-based core-shell nanocrystals. The construction of core-shell structures or by the increased numbe.
Rational design and construction of pt-based porous nanostructures with large mesopores have triggered significant considerations because of their high surface area and more efficient mass transport.
Free pdf download construction and reactivity of pt-based bi-component catalytic systems in this dissertation, the author describes the construction of the active structure and the modulation of the catalytic reaction of two pt-based component catalysts, from model systems to actual supported catalysts.
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