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Synthesis, Characterization, and Evaluation of New Class of Transition Metal and Metalloid Containing Carbon Catalysts for Oxygen Reduction Reaction in PEMFC

Title
Synthesis, Characterization, and Evaluation of New Class of Transition Metal and Metalloid Containing Carbon Catalysts for Oxygen Reduction Reaction in PEMFC
Translated Title
PEMFC에서의 산소 환원 반응을위한 새로운 종류의 전이 금속 및 금속 원자 함유 탄소 촉매의 합성, 특성 분석 및 평가
Authors
KiranPal Singh
DGIST Authors
Singh, KiranPal; Jang, Yun HeeYu, Jong-Sung
Advisor(s)
유종성
Co-Advisor(s)
Yun-Hee Jang
Issue Date
2019
Available Date
2019-10-03
Degree Date
2019-02
Type
Thesis
Keywords
Fuel Cell
Table Of Contents
Contents Abstract 2 List of Tables 7 List of Figures 8 I. Introduction 14 1.1 Motivation 14 1.2 Polymer electrolyte membrane fuel cells (PEMFCs) 16 1.2.1 Electrochemistry of fuel cell 19 1.2.2 Polarization curve and voltage losses 21 1.2.3 Oxygen reduction reaction (ORR): Reaction Pathway 23 1.3 LT-PEMFC and HT-PEMFC 25 1.3.1 Non-precious based ORR catalysts for LT-PEMFC. 27 1.3.2 Precious Metal based ORR catalyst for LT-PEMFC 30 1.3.3 Precious Metal based ORR catalyst for HT-PEMFC. 33 1.4 Objectives of the Research 35 1.5 Organization of thesis 37 1.6 References 38 II. Physical and electrochemical characterization 47 2.1 Physical characterization 47 2.2 Electrochemical characterization 49 III. Fe-P: A New Class of Electroactive Catalyst for Oxygen Reduction Reaction 52 3.1 Introduction 52 3.2 Experimental section 53 3.3 Results and discussion 53 3.4 Conclusion 63 3.5 References 64 IV. Highly-stable PtPx-based electrocatalysts for oxygen reduction in high temperature-polymer electrolyte membrane fuel cell 68 4.1 Introduction 68 4.2 Experimental Section 70 4.3 Results and Discussion 70 4.4 Conclusions 83 4.5 References 83 V. Preparation of PtPx/Ni2P heterostructures for obtaining efficient Oxygen Reduction Reaction electrocatalyst in Lt-PEMFC 87 5.1 Introduction 87 5.2 Experimental Section 88 5.3 Results and Discussion 88 5.4 Conclusions 99 5.5 References 100
URI
http://dgist.dcollection.net/common/orgView/200000171509
http://hdl.handle.net/20.500.11750/10686
DOI
10.22681/thesis.200000171509
Degree
DOCTOR
Department
Energy Science&Engineering
University
DGIST
Related Researcher
  • Author Yu, Jong-Sung Light, Salts and Water Research Group
  • Research Interests Materials chemistry; nanomaterials; electrochemistry; carbon and porous materials; fuel cell; battery; supercapacitor; sensor and photochemical catalyst
Files:
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Collection:
Department of Energy Science and EngineeringThesesPh.D.


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