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Design of Organic Frameworks for Electrochemical Energy Storage Applications
Design of Organic Frameworks for Electrochemical Energy Storage Applications
Design of Organic Frameworks for Electrochemical Energy Storage Applications

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260202105516
ISBN  
9798263337971
DDC  
547
저자명  
Jin, Shikai.
서명/저자  
Design of Organic Frameworks for Electrochemical Energy Storage Applications
발행사항  
[Sl] : Georgia Institute of Technology, 2023
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2023
형태사항  
104 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-05, Section: B.
주기사항  
Advisor: Lee, Seung Woo.
학위논문주기  
Thesis (Ph.D.)--Georgia Institute of Technology, 2023.
초록/해제  
요약Organic materials with redox-active oxygen functional groups are of great interest as electrode materials for alkali-ion storage application due to their earth-abundant constituents, structural tunability, and enhanced energy storage properties. They are considered promising candidates to overcome the challenges associated with conventional inorganic electrode materials including high cost, limited natural reserves of rare earth metals, and environmental impact. However, the deficient charge conductivity and poor structural integrity in electrolyte solutions significantly limited the utilization of organic materials in electrochemical energy storage systems. Therefore, it is critical to design highly conductive and stable organic frameworks for the development of next-generation organic batteries. In this study, reduced graphene oxide (rGO) with highly defective and hierarchically porous 3D structures were synthesized via subtractive and additive approaches. The controlled modifications upon rGO under solvothermal conditions including chemical etching and hybridization of carbon quantum dots (CQDs) were found to induce significant differences in physical and chemical aspects of the carbon structure, and systematic studies were undertaken to investigate the redox mechanisms of these materials with alkali-ions. Enhanced electrochemical performance was demonstrated for both alkali-ion cathodes and anodes, and the unique impact of electrode nanostructure and surface morphology were distinguished for each application. The findings offer insight into next-generation organic electrode design and charge storage optimization.
일반주제명  
Organic chemicals
일반주제명  
Investigations
일반주제명  
Electrodes
일반주제명  
Polymerization
일반주제명  
Hybridization
일반주제명  
Metal oxides
일반주제명  
Biomass
일반주제명  
Batteries
일반주제명  
Environmental impact
일반주제명  
Voltammetry
일반주제명  
Energy storage
일반주제명  
Research & development--R&D
일반주제명  
Composite materials
일반주제명  
Scanning electron microscopy
일반주제명  
Aqueous solutions
일반주제명  
Electrolytes
일반주제명  
Oxidation
일반주제명  
Carbon
일반주제명  
Global warming
일반주제명  
Design
일반주제명  
Kinetics
일반주제명  
Chemical bonds
일반주제명  
Quantum dots
일반주제명  
Hydrogels
일반주제명  
Analytical chemistry
일반주제명  
Atmospheric sciences
일반주제명  
Climate change
일반주제명  
Materials science
일반주제명  
Organic chemistry
일반주제명  
Polymer chemistry
기타저자  
Georgia Institute of Technology.
기본자료저록  
Dissertations Abstracts International. 87-05B.
전자적 위치 및 접속  
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MARC

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■1001  ▼aJin,  Shikai.
■24510▼aDesign  of  Organic  Frameworks  for  Electrochemical  Energy  Storage  Applications
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■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2023
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■500    ▼aAdvisor:  Lee,  Seung  Woo.
■5021  ▼aThesis  (Ph.D.)--Georgia  Institute  of  Technology,  2023.
■520    ▼aOrganic  materials  with  redox-active  oxygen  functional  groups  are  of  great  interest  as  electrode  materials  for  alkali-ion  storage  application  due  to  their  earth-abundant  constituents,  structural  tunability,  and  enhanced  energy  storage  properties.  They  are  considered  promising  candidates  to  overcome  the  challenges  associated  with  conventional  inorganic  electrode  materials  including  high  cost,  limited  natural  reserves  of  rare  earth  metals,  and  environmental  impact.  However,  the  deficient  charge  conductivity  and  poor  structural  integrity  in  electrolyte  solutions  significantly  limited  the  utilization  of  organic  materials  in  electrochemical  energy  storage  systems.  Therefore,  it  is  critical  to  design  highly  conductive  and  stable  organic  frameworks  for  the  development  of  next-generation  organic  batteries.  In  this  study,  reduced  graphene  oxide  (rGO)  with  highly  defective  and  hierarchically  porous  3D  structures  were  synthesized  via  subtractive  and  additive  approaches.  The  controlled  modifications  upon  rGO  under  solvothermal  conditions  including  chemical  etching  and  hybridization  of  carbon  quantum  dots  (CQDs)  were  found  to  induce  significant  differences  in  physical  and  chemical  aspects  of  the  carbon  structure,  and  systematic  studies  were  undertaken  to  investigate  the  redox  mechanisms  of  these  materials  with  alkali-ions.  Enhanced  electrochemical  performance  was  demonstrated  for  both  alkali-ion  cathodes  and  anodes,  and  the  unique  impact  of  electrode  nanostructure  and  surface  morphology  were  distinguished  for  each  application.  The  findings  offer  insight  into  next-generation  organic  electrode  design  and  charge  storage  optimization.
■590    ▼aSchool  code:  0078.
■650  4▼aOrganic  chemicals
■650  4▼aInvestigations
■650  4▼aElectrodes
■650  4▼aPolymerization
■650  4▼aHybridization
■650  4▼aMetal  oxides
■650  4▼aBiomass
■650  4▼aBatteries
■650  4▼aEnvironmental  impact
■650  4▼aVoltammetry
■650  4▼aEnergy  storage
■650  4▼aResearch  &  development--R&D
■650  4▼aComposite  materials
■650  4▼aScanning  electron  microscopy
■650  4▼aAqueous  solutions
■650  4▼aElectrolytes
■650  4▼aOxidation
■650  4▼aCarbon
■650  4▼aGlobal  warming
■650  4▼aDesign
■650  4▼aKinetics
■650  4▼aChemical  bonds
■650  4▼aQuantum  dots
■650  4▼aHydrogels
■650  4▼aAnalytical  chemistry
■650  4▼aAtmospheric  sciences
■650  4▼aClimate  change
■650  4▼aMaterials  science
■650  4▼aOrganic  chemistry
■650  4▼aPolymer  chemistry
■690    ▼a0389
■690    ▼a0486
■690    ▼a0725
■690    ▼a0404
■690    ▼a0474
■690    ▼a0794
■690    ▼a0490
■690    ▼a0495
■71020▼aGeorgia  Institute  of  Technology.
■7730  ▼tDissertations  Abstracts  International▼g87-05B.
■790    ▼a0078
■791    ▼aPh.D.
■792    ▼a2023
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17360384▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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