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31 March 2011slide 1 Assessment of performances of various lithium-ion chemistries for Plug-in Hybrid Electric Vehicles Noshin Omar, Joeri Van Mierlo,

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Presentation on theme: "31 March 2011slide 1 Assessment of performances of various lithium-ion chemistries for Plug-in Hybrid Electric Vehicles Noshin Omar, Joeri Van Mierlo,"— Presentation transcript:

1 31 March 2011slide 1 Assessment of performances of various lithium-ion chemistries for Plug-in Hybrid Electric Vehicles Noshin Omar, Joeri Van Mierlo, Peter Van den Bossche Belgian platform on electric vehicles # 3 noshomar@vub.ac.be slide 1

2 31 March 2011 noshomar@vub.ac.be slide 2 Overview Introduction Battery requirements for PHEV Test methodology Ragone plot Battery characteristics Economic and life cycle considerations Summary and conclusions

3 Introduction Plug-in hybrid electric vehicles have received considerable attention due to: Reduce gasoline consumption Decrease green house gas emissions 31 March 2011 noshomar@vub.ac.be slide 3

4 Battery requirements Source; 1. A. Pesaran, Battery Requirements for Plug-In Hybrid Electric Vehicles –Analysis and Rationale, EVS23, 2007, California, USA 2. P. Van den Bossche, SUBAT: An assessment of sustainable battery technology, Journal of Power Sources, 2005 3. J. Axsen, Batteries for Plug-in Hybrid Electric Vehicles (PHEVs):Goals and the State of Technology circa 2008, May, 2008 31 March 2011 noshomar@vub.ac.be slide 4 RequirementsUnitPHEV-40 All Electric RangeMiles40 Peak Discharge Power (10 sec pulse) kW38 Peak Charge Power (10 sec pulse) kW25 Power Discharge Density (10 sec pulse) W/kg320 Power Charge Density (10 sec pulse) W/kg310 Available energykWh12 Total Energy DensityWh/kg140 Calender LifeYears15 Deep Discharge Cycles (CD mode) Cycles5000 Shallow Discharge Cycles (CS mode) Cycles300.000 Cost$/kWh200 - 300

5 Test Methodology Brand ABCDEFGH IJ Cathode LFP LNMC NCALFP Shape Cyl.Pouch Cyl.PouchCyl. Pris. Nom. capacity [Ah] 10 40127027142.3 1040 Nom. Voltage [V] 3.3 3.7 3.3 31 March 2011 nosomar@vub.ac.be slide 5

6 Ragone plot LNMCO based cells: 126 – 149Wh/kg LFP based cells: 75 – 118Wh/kg LNCA: 90Wh/kg The situation regarding the power density is not clear due to the wide range Power density: Max. Current rate, 50% SoC, 10 sec. Pulse 31 March 2011 noshomar@vub.ac.be slide 6

7 Energy and discharge performances 31 March 2011 jptimmer@vub.ac.be slide 7

8 Power performances 31 March 2011 jptimmer@vub.ac.be slide 8

9 Charge capabilities ABCDEFGHIJ Cap. [Ah] 10 40127027142.3 1040 0.33C91.595.997.096.895.098.499.098.291.898.7 1C84.392.692.092.188.592.098.396.585.995.9 2C80.590.687.78983.587.298.394.382.290.1 3C79.788.7 8583.378.898.386.373.779.6 5C 69.6 31 March 2011 noshomar@vub.ac.be slide 9

10 Life cycle 31 March 2011 jptimmer@vub.ac.be slide 10 LFP NC A NMC

11 SoC determination 31 March 2011 jptimmer@vub.ac.be slide 11

12 Peukert and SoC Battery Peukert Battery Peukert A1.012F0.99 B1.014G1 C1.016H1.002 D1.04I1.016 E1.029J1.43 31 March 2011 noshomar@vub.ac.be slide 12

13 Summary BatteryPower density [kW/kg] Energy density Thermal behavior Cost [$/kWh] Cycle life WeightCharge perf. (50% SoC), 90% Eff. [Wh/kg] [kg]at 2C [Ah/Ah] A 383.584Stable315100010080.5 B 520110Stable296100012390.6 C 448.894Stable301100017787.7 D 600.5126 Fairly stable811120012989.0 E 258.4149 Fairly stable417120023783.5 F 480.590 Fairly stable823100014087.2 G 548.4118Least stable310100010598.3 H 477.198Stable30010009694.3 I 323.875 Fairly stable300100012682.2 J 319.3102Least stable300100013790.1 31 March 2011 noshomar@vub.ac.be slide 13

14 31 March 2011 noshomar@vub.ac.be slide 14 Conclusions LNMC based cells: Pro: higher energy, energy efficiency, SoC determination Con: thermal stability, cost LFP based cells: Pro: high power density, favourable thermal performances, cost Con: low energy density, lower energy efficiency, SoC determination LNCA in the postive electrode: Pro: high energy efficiency, SoC determination Con: low energy density, power density, less thermal performances, cost, life cycle Control strategy in PHEV application is a key issue

15 Contacts Vrije Universiteit Brussel Department of Electrical Engineering Pleinlaan 2, 1050, Brussel Belgium noshomar@vub.ac.be 31 March 2011 noshomar@vub.ac.be slide 15


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