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Vehicle

  • US 9,352,644 B2
  • Filed: 08/30/2011
  • Issued: 05/31/2016
  • Est. Priority Date: 08/30/2011
  • Status: Active Grant
First Claim
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1. A vehicle comprising:

  • a motor and an engine each serving as a driving source for running the vehicle;

    a high-power assembled battery and a high-capacity assembled battery each capable of supplying an electric power to the motor and each comprising lithium-ion secondary batteries, respectively, the high-power assembled battery and the high-capacity assembled battery being connected in parallel;

    a plurality of relays connected to a positive electrode terminal and a negative electrode terminal of the high-power assembled battery, respectively; and

    a plurality of relays connected to a positive electrode terminal and a negative electrode terminal of the high-capacity assembled battery, respectively,the lithium-ion secondary battery of the high-power assembled battery having an output density higher than that of the lithium-ion secondary battery of the high-capacity assembled battery,the lithium-ion secondary battery of the high-capacity assembled battery having a power capacity density higher than that of the lithium-ion secondary battery of the high-power assembled battery,in running of the vehicle using an output from the motor with the engine stopped, the high-capacity assembled battery supplying more electric power to the motor than that in the high-power assembled battery,wherein the high-power assembled battery and the plurality of relays connected to the high-power assembled battery are placed in a riding space where a passenger rides,the high-capacity assembled battery and the plurality of relays connected to the high-capacity assembled battery are placed in a luggage space different from the riding space,the high-capacity assembled battery has a battery characteristic changing more largely than that of the high-power assembled battery in response to a temperature change,a positive electrode active material layer of the lithium-ion secondary battery of the high-power assembled battery has a thickness smaller than that of positive electrode active material layer of the lithium-ion secondary battery of the high-capacity assembled battery, anda negative electrode active material layer of the lithium-ion secondary battery of the high-power assembled battery has a thickness smaller than that of a negative electrode active material layer of the lithium-ion second battery of the high-capacity assembled battery.

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