Electric vehicle propulsion system and method utilizing solid-state rechargeable electrochemical cells
First Claim
1. A battery consisting of a single substrate layer supporting a plurality of electrochemical cells, the single substrate layer comprising a flexible thermoplastic polymer and having a surface region and a thickness of less than 10 microns, the plurality of electrochemical cells comprising:
- a first electrochemical cell comprising a first current collector layer, a first positive electrode layer, a first solid state layer of electrolyte, and a first negative electrode layer; and
a second electrochemical cell comprising a second current collector layer, a second positive electrode layer, a second solid state layer of electrolyte, and a second negative electrode layer,wherein the first electrochemical cell and the second electrochemical cell are arranged in a stacked configuration overlying the surface region of the single substrate layer.
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Abstract
A vehicle propulsion system comprising a plurality of solid state rechargeable battery cells configured to power a drivetrain. In accordance with once aspect of the invention, a transportation system that is powered at least in part by electricity stored in the form of rechargeable electrochemical cells. According to an embodiment of the present invention, these cells are combined in series and in parallel to form a pack that is regulated by charge and discharge control circuits that are programmed with algorithms to monitor state of charge, battery lifetime, and battery health.
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Citations
14 Claims
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1. A battery consisting of a single substrate layer supporting a plurality of electrochemical cells, the single substrate layer comprising a flexible thermoplastic polymer and having a surface region and a thickness of less than 10 microns, the plurality of electrochemical cells comprising:
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a first electrochemical cell comprising a first current collector layer, a first positive electrode layer, a first solid state layer of electrolyte, and a first negative electrode layer; and a second electrochemical cell comprising a second current collector layer, a second positive electrode layer, a second solid state layer of electrolyte, and a second negative electrode layer, wherein the first electrochemical cell and the second electrochemical cell are arranged in a stacked configuration overlying the surface region of the single substrate layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification