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A Decision-Making Model for Retired Li-Ion Batteries
A Decision-Making Model for Retired Li-Ion Batteries
A Decision-Making Model for Retired Li-Ion Batteries

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자료유형  
 학위논문 서양
최종처리일시  
20250211151142
ISBN  
9798383708149
DDC  
300
저자명  
Zhuang, Jihan.
서명/저자  
A Decision-Making Model for Retired Li-Ion Batteries
발행사항  
[Sl] : Stanford University, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
120 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-02, Section: B.
주기사항  
Advisor: Benson, Sally M.;Chueh, William;Onori, Simona.
학위논문주기  
Thesis (Ph.D.)--Stanford University, 2024.
초록/해제  
요약This thesis focuses on the development of a decision-making model to determine the solution for a retired battery. The model evaluates the retired battery from both technical and economical perspectives. It integrates a module-level aging model with an economic evaluation model to assess the values of Second Life Batteries for the most commonly cited second-life use cases. Finally, the highest value among different second life applications is compared with the recycling value to determine the optimal strategy for a given retired Li-ion battery.In the first part of the thesis, a module-level degradation model was developed. This model consists of cell-level data-driven model, Equivalent Circuit Model and Series-Parallel Connection Model. Utilizing Machine Learning techniques like Neural Networks and Gaussian Process Regression, a cell-level degradation model is constructed. Afterwards, this model, along with the Equivalent Circuit and Series-Parallel Connection Models, simulates the module-level aging of second-life batteries. Monte Carlo analysis captures the statistical battery module performance across multiple simulations, revealing divergent aging trajectories under varied use cases. The simulation results show a wide range of remaining useful life of used batteries in different second life applications.In the second part of the thesis, an economic model was integrated with the module-level degradation model to estimate the selling price of used batteries. The economic model based on the present value of future cash flows to calculate the value of second life batteries in terms of different applications. The selling price of the used battery modules after repurposing was calculated by equating the net present value of new and used batteries. The selling price was compared with recycling value and the final decision was made based on the comparison between the maximum value obtained from repurposing and recycling. The results of the economic model suggest that the values of retired batteries varied case by case so that the decision should be made based on the actual situation of each use case.The third part culminates in a pivotal use case study that underscores the practical application of the decision-making model. Focused on the Stanford electric bus charging station, this case study examines retired batteries as a potential solution. The investigation incorporates diverse factors influencing battery aging, utilizing simulation outcomes from the module-level degradation model to define optimal operational parameters. Furthermore, a sensitivity analysis of the economic model parameters evaluates their impact on pricing dynamics. This comprehensive approach assesses the economic viability of implementing second-life batteries across various scenarios, delineating cost reductions compared to deploying new batteries. The findings from this case study exemplify the successful utilization of the decision-making model, demonstrating the economic feasibility of integrating second-life batteries as an energy storage system within the Stanford electric bus charging station.
일반주제명  
Monte Carlo simulation
일반주제명  
Motivation
일반주제명  
Success
일반주제명  
Neural networks
일반주제명  
Personal development
일반주제명  
Decision making
일반주제명  
Energy storage
일반주제명  
Electric vehicle charging stations
기타저자  
Stanford University.
기본자료저록  
Dissertations Abstracts International. 86-02B.
전자적 위치 및 접속  
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MARC

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■1001  ▼aZhuang,  Jihan.
■24512▼aA  Decision-Making  Model  for  Retired  Li-Ion  Batteries
■260    ▼a[Sl]▼bStanford  University▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a120  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-02,  Section:  B.
■500    ▼aAdvisor:  Benson,  Sally  M.;Chueh,  William;Onori,  Simona.
■5021  ▼aThesis  (Ph.D.)--Stanford  University,  2024.
■520    ▼aThis  thesis  focuses  on  the  development  of  a  decision-making  model  to  determine  the  solution  for  a  retired  battery.  The  model  evaluates  the  retired  battery  from  both  technical  and  economical  perspectives.  It  integrates  a  module-level  aging  model  with  an  economic  evaluation  model  to  assess  the  values  of  Second  Life  Batteries  for  the  most  commonly  cited  second-life  use  cases.  Finally,  the  highest  value  among  different  second  life  applications  is  compared  with  the  recycling  value  to  determine  the  optimal  strategy  for  a  given  retired  Li-ion  battery.In  the  first  part  of  the  thesis,  a  module-level  degradation  model  was  developed.  This  model  consists  of  cell-level  data-driven  model,  Equivalent  Circuit  Model  and  Series-Parallel  Connection  Model.  Utilizing  Machine  Learning  techniques  like  Neural  Networks  and  Gaussian  Process  Regression,  a  cell-level  degradation  model  is  constructed.  Afterwards,  this  model,  along  with  the  Equivalent  Circuit  and  Series-Parallel  Connection  Models,  simulates  the  module-level  aging  of  second-life  batteries.  Monte  Carlo  analysis  captures  the  statistical  battery  module  performance  across  multiple  simulations,  revealing  divergent  aging  trajectories  under  varied  use  cases.  The  simulation  results  show  a  wide  range  of  remaining  useful  life  of  used  batteries  in  different  second  life  applications.In  the  second  part  of  the  thesis,  an  economic  model  was  integrated  with  the  module-level  degradation  model  to  estimate  the  selling  price  of  used  batteries.  The  economic  model  based  on  the  present  value  of  future  cash  flows  to  calculate  the  value  of  second  life  batteries  in  terms  of  different  applications.  The  selling  price  of  the  used  battery  modules  after  repurposing  was  calculated  by  equating  the  net  present  value  of  new  and  used  batteries.  The  selling  price  was  compared  with  recycling  value  and  the  final  decision  was  made  based  on  the  comparison  between  the  maximum  value  obtained  from  repurposing  and  recycling.  The  results  of  the  economic  model  suggest  that  the  values  of  retired  batteries  varied  case  by  case  so  that  the  decision  should  be  made  based  on  the  actual  situation  of  each  use  case.The  third  part  culminates  in  a  pivotal  use  case  study  that  underscores  the  practical  application  of  the  decision-making  model.  Focused  on  the  Stanford  electric  bus  charging  station,  this  case  study  examines  retired  batteries  as  a  potential  solution.  The  investigation  incorporates  diverse  factors  influencing  battery  aging,  utilizing  simulation  outcomes  from  the  module-level  degradation  model  to  define  optimal  operational  parameters.  Furthermore,  a  sensitivity  analysis  of  the  economic  model  parameters  evaluates  their  impact  on  pricing  dynamics.  This  comprehensive  approach  assesses  the  economic  viability  of  implementing  second-life  batteries  across  various  scenarios,  delineating  cost  reductions  compared  to  deploying  new  batteries.  The  findings  from  this  case  study  exemplify  the  successful  utilization  of  the  decision-making  model,  demonstrating  the  economic  feasibility  of  integrating  second-life  batteries  as  an  energy  storage  system  within  the  Stanford  electric  bus  charging  station.
■590    ▼aSchool  code:  0212.
■650  4▼aMonte  Carlo  simulation
■650  4▼aMotivation
■650  4▼aSuccess
■650  4▼aNeural  networks
■650  4▼aPersonal  development
■650  4▼aDecision  making
■650  4▼aEnergy  storage
■650  4▼aElectric  vehicle  charging  stations
■690    ▼a0800
■71020▼aStanford  University.
■7730  ▼tDissertations  Abstracts  International▼g86-02B.
■790    ▼a0212
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17160962▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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