Sensitivity of Plug-In Hybrid Electric Vehicle Economics to Drive Patterns, Electric Range, Energy Management, and Charge Strategies

Jeremy Neubauer, Aaron Brooker, Eric Wood

Research output: Contribution to journalArticlepeer-review

73 Scopus Citations

Abstract

Plug-in hybrid electric vehicles (PHEVs) offer the potential to reduce oil imports, greenhouse gases, and fuel costs, but high upfront costs discourage many potential purchasers. Making an economic comparison with conventional alternatives is complicated in part by sensitivity to drive patterns, vehicle range, available energy management, and charge strategies that affect battery wear and gasoline consumption. Identifying justifiable battery replacement schedules adds further complexity to the issue. The National Renewable Energy Laboratory developed the Battery Ownership Model to address these and related questions. The Battery Ownership Model is applied here to examine the sensitivity of PHEV economics to drive patterns, vehicle range, available energy management, and charge strategies when a high-fidelity battery degradation model and financially justified battery replacement schedules are employed.We find that energy management methodology, all-electric range, maximum beginning-of-life state of charge, and basic charge timing generally have a small impact on the total cost of ownership of PHEVs; however, PHEV economics do prove sensitive to drive patterns and the availability of an at-work charger.

Original languageAmerican English
Pages (from-to)357-364
Number of pages8
JournalJournal of Power Sources
Volume236
DOIs
StatePublished - 2013

NREL Publication Number

  • NREL/JA-5400-54088

Keywords

  • Battery Ownership Model
  • Charge strategies
  • Drive pattern
  • Plug-in hybrid electric vehicles
  • Range
  • Total cost of ownership

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