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Comparison of Plug-In Hybrid Electric Vehicle Battery Life Across Geographies and Drive Cycles.
| 题名： | Comparison of Plug-In Hybrid Electric Vehicle Battery Life Across Geographies and Drive Cycles. |
| 作者： | K. Smith; M. Earlywine; E. Wood; J. Neubauer; A. Pesaran; |
| 关键词： | aging, battery chargers, chemistry, costs, design, energy storage, hybrid systems, lithium ions, size |
| 摘要： | In a laboratory environment, it is cost prohibitive to run automotive battery aging experiments across a wide range of possible ambient environment, drive cycle and charging scenarios. Since worst-case scenarios drive the conservative sizing of electric-drive vehicle batteries, it is useful to understand how and why those scenarios arise and what design or control actions might be taken to mitigate them. In an effort to explore this problem, this paper applies a semi-empirical life model of the graphite/nickel-cobalt-aluminum lithium-ion chemistry to investigate impacts of geographic environments under storage and simplified cycling conditions. The model is then applied to analyze complex cycling conditions, using battery charge/discharge profiles generated from simulations of PHEV10 and PHEV40 vehicles across 782 single-day driving cycles taken from Texas travel survey data. |
| 总页数： | 11p |
| 报告类型： | 科技报告 |
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