Hybrid electric vehicle incorporating an integrated propulsion system
First Claim
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1. A hybrid electric vehicle drive system, comprising:
- a combustion engine;
an electric motor; and
at least one nickel-metal hydride battery module providing electric power to said electric motor, said at least one nickel-metal hydride battery module having an internal resistance effective to provide a peak power density P of at least 800 Watts/kilogram and an energy density E of at least 40 Watt-hours/kilogram.
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Abstract
A hybrid electric vehicle drive system comprising a combustion engine, an electric motor and at least one nickel metal hydride battery module forming a power source for providing electric power to the electric motor, the at least one nickel metal battery module having a peak power density in relation to energy density as defined by:
P>1,375−15E
- where P is the peak power density as measured in Watts/kilogram and E is the energy density as measured in Watt-hours/kilogram.
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Citations
40 Claims
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1. A hybrid electric vehicle drive system, comprising:
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a combustion engine;
an electric motor; and
at least one nickel-metal hydride battery module providing electric power to said electric motor, said at least one nickel-metal hydride battery module having an internal resistance effective to provide a peak power density P of at least 800 Watts/kilogram and an energy density E of at least 40 Watt-hours/kilogram. - View Dependent Claims (2, 3, 4)
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5. A hybrid electric vehicle, comprising:
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a power system comprising;
a combustion engine, and an electric motor; and
at least one nickel-metal hydride battery module coupled to said power system and providing electric power to said electric motor, said battery module having an internal resistance effective to provide a peak power density P of at least 800 Watts/kilogram and an energy density E of at least 40 watt-hours/kilogram. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A hybrid electric vehicle drive system, comprising:
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a combustion engine;
an electric motor; and
at least one nickel-metal hydride battery module providing electric power to said electric motor, said at least one nickel-metal hydride battery module having an internal resistance effective to provide a peak power density P of at least 1000 Watts/kilogram and an energy density E of at least 30 Watt-hours/kilogram. - View Dependent Claims (22, 23, 24)
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25. A hybrid electric vehicle comprising:
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a power system comprising;
a combustion engine, and an electric motor; and
at least one nickel-metal hydride battery module coupled to said power system and providing electric power to said electric motor, said battery module having an internal resistance effective to provide a peak power density P of at least 1000 Watts/kilogram and an energy density E of at least 30 Watt-hours/kilogram. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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Specification