Thin film battery
First Claim
Patent Images
1. A thin film lithium battery comprising:
- a polyimide support substrate;
a cathode current collector mounted upon said polyimide support substrate;
a crystallized lithium intercalation compound cathode coupled to said cathode current collector;
an electrolyte deposited upon said lithium intercalation compound cathode;
an anode deposited upon said electrolyte; and
an anode current collector coupled to said anode.
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Abstract
A rechargeable, thin film lithium battery cell (10) is provided having a polyimide supporting substrate (11), a cathode current collector (13), a lithiated transition metal oxide or transition metal cathode (14), an electrolyte (15), an anode (16) and an anode current collector (17). The polyimide supporting substrate (11) is heated or dehydrated to remove water from therein. The cathode (14) is annealed at a relatively low temperature of approximately 300 degrees Celsius.
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Citations
13 Claims
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1. A thin film lithium battery comprising:
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a polyimide support substrate;
a cathode current collector mounted upon said polyimide support substrate;
a crystallized lithium intercalation compound cathode coupled to said cathode current collector;
an electrolyte deposited upon said lithium intercalation compound cathode;
an anode deposited upon said electrolyte; and
an anode current collector coupled to said anode. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A thin film lithium battery comprising:
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a polyimide support substrate;
a passivation layer deposited upon said polyimide support substrate;
a cathode current collector mounted upon said passivation layer;
a crystallized lithium intercalation compound cathode coupled to said cathode current collector;
an electrolyte deposited upon said lithium intercalation compound cathode;
an anode deposited upon said electrolyte; and
an anode current collector coupled to said anode. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification