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Disentangling Capacity Loss Mechanisms in Lithium-Ion Liquid and Solid Electrolyte Batteries
Disentangling Capacity Loss Mechanisms in Lithium-Ion Liquid and Solid Electrolyte Batteri...
Disentangling Capacity Loss Mechanisms in Lithium-Ion Liquid and Solid Electrolyte Batteries

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자료유형  
 학위논문 서양
최종처리일시  
20250211153051
ISBN  
9798346378907
DDC  
790
저자명  
Kaeli, Emma Therese.
서명/저자  
Disentangling Capacity Loss Mechanisms in Lithium-Ion Liquid and Solid Electrolyte Batteries
발행사항  
[Sl] : Stanford University, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
104 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-05, Section: A.
주기사항  
Advisor: Chueh, William;Chidsey, Chris.
학위논문주기  
Thesis (Ph.D.)--Stanford University, 2024.
초록/해제  
요약Small changes to the makeup of a battery's electrode will lead to measurable changes in collected current and voltage data. Ongoing efforts seek to optimize positive electrode materials, their interfaces with the electrolyte, and the overall structure of the electrode itself. Interpreting the signals, however, is not entirely straightforward. Often, voltage and current data can be misinterpreted, leading to poorly informed and inefficient optimization feedback loops.This thesis demonstrates how careful interpretation of voltage and current signals, with understanding built from thermodynamic and kinetic fundamentals, enables more accurate assessment of battery performance. We will step through three examples that tackle increasingly complex levels of design optimization: positive electrode material synthesis, interface modification, and electrode architecture. We will focus on layered oxide positive electrode materials, such as Li(NixMnyCoz)O2(NMC) or Li-, Mn-Rich layered oxides (LMR), with Li metal counter electrodes. In Chapter 3 we will reveal, through careful measurement of the voltage, that changes to positive electrode synthesis methods do not engender new redox reactions, but a step-change in kinetic limitations. In Chapter 4, we will demonstrate the impact of particle-to-particle heterogeneity, and uncover the mechanism by which performance is improved through an interfacial modification. Finally, in Chapter 5, we will use the understanding built in Chapters 3 & 4 to uncover loss mechanisms incurred when electrode architecture transitions from liquid- to solid-electrolytes. These findings will then help us understand how interface modifications and heterogeneity limit the performance of solid-state batteries.
일반주제명  
Design optimization
일반주제명  
Custom design
일반주제명  
Electrolytes
일반주제명  
Electrodes
일반주제명  
Spectrum analysis
일반주제명  
Oxidation
일반주제명  
Carbon
일반주제명  
Electric vehicles
일반주제명  
Energy
일반주제명  
Role models
일반주제명  
Family income
일반주제명  
Lithium
일반주제명  
Households
일반주제명  
Analytical chemistry
일반주제명  
Design
일반주제명  
Home economics
일반주제명  
Optics
일반주제명  
Transportation
기타저자  
Stanford University.
기본자료저록  
Dissertations Abstracts International. 86-05A.
전자적 위치 및 접속  
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MARC

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■020    ▼a9798346378907
■035    ▼a(MiAaPQ)AAI31643327
■035    ▼a(MiAaPQ)Stanfordjc553vz2130
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a790
■1001  ▼aKaeli,  Emma  Therese.
■24510▼aDisentangling  Capacity  Loss  Mechanisms  in  Lithium-Ion  Liquid  and  Solid  Electrolyte  Batteries
■260    ▼a[Sl]▼bStanford  University▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a104  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-05,  Section:  A.
■500    ▼aAdvisor:  Chueh,  William;Chidsey,  Chris.
■5021  ▼aThesis  (Ph.D.)--Stanford  University,  2024.
■520    ▼aSmall  changes  to  the  makeup  of  a  battery's  electrode  will  lead  to  measurable  changes  in  collected  current  and  voltage  data.  Ongoing  efforts  seek  to  optimize  positive  electrode  materials,  their  interfaces  with  the  electrolyte,  and  the  overall  structure  of  the  electrode  itself.  Interpreting  the  signals,  however,  is  not  entirely  straightforward.  Often,  voltage  and  current  data  can  be  misinterpreted,  leading  to  poorly  informed  and  inefficient  optimization  feedback  loops.This  thesis  demonstrates  how  careful  interpretation  of  voltage  and  current  signals,  with  understanding  built  from  thermodynamic  and  kinetic  fundamentals,  enables  more  accurate  assessment  of  battery  performance.  We  will  step  through  three  examples  that  tackle  increasingly  complex  levels  of  design  optimization:  positive  electrode  material  synthesis,  interface  modification,  and  electrode  architecture.  We  will  focus  on  layered  oxide  positive  electrode  materials,  such  as  Li(NixMnyCoz)O2(NMC)  or  Li-,  Mn-Rich  layered  oxides  (LMR),  with  Li  metal  counter  electrodes.  In  Chapter  3  we  will  reveal,  through  careful  measurement  of  the  voltage,  that  changes  to  positive  electrode  synthesis  methods  do  not  engender  new  redox  reactions,  but  a  step-change  in  kinetic  limitations.  In  Chapter  4,  we  will  demonstrate  the  impact  of  particle-to-particle  heterogeneity,  and  uncover  the  mechanism  by  which  performance  is  improved  through  an  interfacial  modification.  Finally,  in  Chapter  5,  we  will  use  the  understanding  built  in  Chapters  3  &  4  to  uncover  loss  mechanisms  incurred  when  electrode  architecture  transitions  from  liquid-  to  solid-electrolytes.  These  findings  will  then  help  us  understand  how  interface  modifications  and  heterogeneity  limit  the  performance  of  solid-state  batteries.
■590    ▼aSchool  code:  0212.
■650  4▼aDesign  optimization
■650  4▼aCustom  design
■650  4▼aElectrolytes
■650  4▼aElectrodes
■650  4▼aSpectrum  analysis
■650  4▼aOxidation
■650  4▼aCarbon
■650  4▼aElectric  vehicles
■650  4▼aEnergy
■650  4▼aRole  models
■650  4▼aFamily  income
■650  4▼aLithium
■650  4▼aHouseholds
■650  4▼aAnalytical  chemistry
■650  4▼aDesign
■650  4▼aHome  economics
■650  4▼aOptics
■650  4▼aTransportation
■690    ▼a0791
■690    ▼a0486
■690    ▼a0389
■690    ▼a0386
■690    ▼a0752
■690    ▼a0709
■71020▼aStanford  University.
■7730  ▼tDissertations  Abstracts  International▼g86-05A.
■790    ▼a0212
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17164820▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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