Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell
➤ Gửi thông báo lỗi ⚠️ Báo cáo tài liệu vi phạmNội dung chi tiết: Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell
Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell
_______________________________________________VIETNAM NATIONAL UNIVERSITY HCMCUNIVERSITY OF TECHNOLOGY ----------0O0--------QUANG THE ANHPREPARATION Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell OF CONTROLLED ONE DIMENSIONAL SILVER AND SILVER@PALLADIUM ( ORE-SHELL NANOSTRUCTURES AND THEIR ELECTROCATALYTIC PERFORMANCE FOR ETHANOL OXIDATION IN ALKALINE DIRECT ALCOHOL FUEL CELLSSpeciality: Chemical Engineering(’ode: 60520301MASTER'S THESISHOCHIMINHCITY, Ì/2ỠÌ9ACKNOWLEDGEMENTFirst. I would lik Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell e to express my deep sense of gratitude to my supervisor. Dr. Nguyen Truong Son. for his encouragement, great support and valuable advice for finalizaPreparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell
tion of my thesis. His knowledge about fuel cells help me grow my potential.I sincerely would like to thank M.Sc. Nguyen Truong Xuan Minh for providin_______________________________________________VIETNAM NATIONAL UNIVERSITY HCMCUNIVERSITY OF TECHNOLOGY ----------0O0--------QUANG THE ANHPREPARATION Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell Tam and Ms. Nguyen Phuc Thanh Duy for supporting me of equipment as well as knowledge of operation.I would like to extend my sincere thanks to Assoc. Prof. Le Minh Vien and all group members at Inorganic Laboratory for their equipment support and warm hospitality.I would like to appreciate Mr. Thoma Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell s Ng and Bronx Creative & Design Centre for their technical and equipment support.I would like to thank Vietnam National Foundation for Science and TePreparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell
chnology Development (NAFOSTED) for the financial support under grant number 104.05-2017.34.Last, but not least. I would like to thank my parents, my _______________________________________________VIETNAM NATIONAL UNIVERSITY HCMCUNIVERSITY OF TECHNOLOGY ----------0O0--------QUANG THE ANHPREPARATION Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell ves are likely depleting and their combustion produces a lot of emission gas. Therefore, development of a new energy resource burning a low CO; gas is an essential mission. For decades, studies of alternative energy sources was extending, in which fuel cells have attracted more attention as effectiv Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell e power conversion. In fuel cells, chemical reactions convert to electric energy. Moreover, the gas emission of devices is low polluting. This technolPreparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell
ogy has great potential to become the major power in the future. Platinum-based commonly catalyze in fuel cell reaction, but the platinum metal is hig_______________________________________________VIETNAM NATIONAL UNIVERSITY HCMCUNIVERSITY OF TECHNOLOGY ----------0O0--------QUANG THE ANHPREPARATION Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell 2]. Especially, palladium displays as a good catalyst for ethanol electro-oxidation in alkaline media. In this work. Pd modified with Ag to form coreshell nanowire structures to improve the stability, the oxidation and the cost.The major purpose of thesis is to synthesize the Ag@Pd nanomaterial, inv Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell estigate the effects of synthesis conditions on the formation of Ag nanowire (the core) and Pd shell and preliminarily examine their catalytic activitPreparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell
y for the ethanol oxidation in alkaline media (crucial reaction in alkaline direct ethanol fuel cells). In this study, the Ag nanowire was synthesized_______________________________________________VIETNAM NATIONAL UNIVERSITY HCMCUNIVERSITY OF TECHNOLOGY ----------0O0--------QUANG THE ANHPREPARATION Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell the transmission electron microscopy! TEM) and X-ray Diffraction (XRD). The results showed that a AgNOj - PVP molar ratio of 1:1.5, a temperature of 150°C and a reaction time of 211 were the appropriate condition for the formation of Ag nanowires (AgNWs) with the length of 6 to 10 pm, and the diame Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell ter of 45 to 55nm.Continuously, the AgNW covered by a thin layer of Pd through sequential reduction accompanied by the galvanic displacement reaction.Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell
The products showed the Ag@Pd core-shell structures, as demonstrated by characterization. High-resolution transmission electron microscopy (HRTEM) an_______________________________________________VIETNAM NATIONAL UNIVERSITY HCMCUNIVERSITY OF TECHNOLOGY ----------0O0--------QUANG THE ANHPREPARATION Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell of the samples and compare their activity to that of Pd nanocatalyst.Các nguồn nâng lượng hóa thạch gần như bị cạn kiệt vã việc sư dụng chúng tạo ra một lượng lớn khi thãi, vi vậy phát triên một nguồn nàng lượng mới là một nhiệm quan trọng. Trong nhừng nãm gần dây nghiên cứu các nguồn năng lượng mói Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell dang được thức đây trong đó pin nhiên liệu thư hút được nhiêu sự quan lâm như một thièt bị chuyên dối năng lượng hiệu quà. Năng lượng hóa học sè dượcPreparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell
chuyên dổi tiực tiếp thành năng lượng điện thêm vào đó khi thái do thiêl bị lạo ra là không đáng kê. Kỳ thuật nãy có tiềm nãng to lớn dể trơ thảnh ng_______________________________________________VIETNAM NATIONAL UNIVERSITY HCMCUNIVERSITY OF TECHNOLOGY ----------0O0--------QUANG THE ANHPREPARATION Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell dộ làm việc cua pin nhiên liệu sẽ giam. Các xúc tãc trên nen tâng plalin thường được sứ dụng cho phàn ứng trong thicl bị này nhưng platin có giá cao và trừ lượng thấp, cỏ nhiều nghiên cứu chứng minh hoạt tính xúc tác cùa Paladi gần giống với Platin. Nội dung chính cùa luận vãn là tổng hợp vật liệu Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell có cấu trúc dây nano dạng lõi vó. đày là một cấu trúc vật liệu tốt có khả năng ứng dụng dế làm xúc tác trong pin nhiên liệu.Mục tiêu chính của luận văPreparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell
n tốt nghiệp là tổng hợp vật liệu có cấu trúc lôi võ và kiểm tra sơ bộ hoạt tính cúa vật liệu trong phân ứng oxi hóa ethanol trong môi trường kiêm.( p_______________________________________________VIETNAM NATIONAL UNIVERSITY HCMCUNIVERSITY OF TECHNOLOGY ----------0O0--------QUANG THE ANHPREPARATION Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell dài hơn và mông hơn. Qua quá trinh tòng hợp tim được điều kiện thích hợp đê tạo ra các dây nano có dường kính từ 45-55mn. chiểu dài từ 7-10pm ờ nhiệt độ 150°C vã thời gian phán ứng là 2h.Sau dó các dày nano sè dược phu một lớp paladi bằng phương pháp trao dôi ion lạo ra câu trúc lói vò như mong muô Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell n, (’ác phương phân lích hiện đại được áp dụng dề chứng minh vật liệu dam bao các dặc tinh. Mầu Ag-Pd lõi vo ờ các tý lệ 6:100. 8:100. 10:100, 12:100Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell
14:100 được lồng hợp. Sừ dụng kinh hiến vi điện lữ truyền qua dộ phàn giái cao (IIRTEM) vã phố tân sắc năng lượng tia X(EDS) dể xãc dinh cấu trúc vật _______________________________________________VIETNAM NATIONAL UNIVERSITY HCMCUNIVERSITY OF TECHNOLOGY ----------0O0--------QUANG THE ANHPREPARATION Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell ờ dạngnano.DECLARATIONI declare that “Preparation of controlled one dimensional silver and silver@palladium core-shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cells. ” thesis was an original report of my research, which had write by Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell me and submitted for any previous degree. The experimental work is entirely my own work; the collaborative contributions indicated and acknowledged,Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell
clearly. References provided on all supporting literatures and resources.TABLE OF CONTENTSACKNOWLEDGEMENTSUMMARYDECLARATIONTABLE OF CONTENTS.........._______________________________________________VIETNAM NATIONAL UNIVERSITY HCMCUNIVERSITY OF TECHNOLOGY ----------0O0--------QUANG THE ANHPREPARATION Preparation of controlled one dimensional silver and silver palldium core shell nanostructures and their electrocatalytic performance for ethanol oxidation in alkaline direct alcohol fuel cell ABLES.....................................................................5_______________________________________________VIETNAM NATIONAL UNIVERSITY HCMCUNIVERSITY OF TECHNOLOGY ----------0O0--------QUANG THE ANHPREPARATIONGọi ngay
Chat zalo
Facebook