LITHIUM ION BATTERY
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Accused Products
Abstract
A lithium battery comprising an anode and a cathode structure separated from one another by a membrane structure. The membrane structure comprises a layer which is only conductive to lithium ions and which is characterized by the property of having sufficient mechanical stability at temperatures higher than 150° C. to prevent a local short circuit between the anode and the cathode structure.
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Citations
45 Claims
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1-22. -22. (canceled)
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23. A lithium ion battery comprising:
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a cathode comprising a metallic conducting substrate and a first polycrystalline layer situated on the substrate, an ion-conducting membrane structure comprising at least one lithium-conducting layer, and an anode comprising a second polycrystalline layer and a metallic conducting layer, the second polycrystalline layer facing the membrane structure, wherein the lithium-conducting layer comprises a polymer film comprising a polymer having a glass transition temperature higher than 150°
C. and being conductive to lithium ions due to physical treatment. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. A method for producing a lithium ion battery comprising:
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a cathode comprising a metallic conducting substrate and a first polycrystalline layer situated on the substrate, an ion-conducting membrane structure comprising at least one lithium-conducting layer, and an anode comprising a second polycrystalline layer and a metallic conducting layer, the second polycrystalline layer facing the membrane structure, the method comprising depositing the lithium-conducting layer as a polymer film on a second layer of the membrane structure, the polymer film comprising a polymer having a glass transition temperature higher than 150°
C., and subsequently physically treating the polymer film such that the polymer film is conductive to lithium ions. - View Dependent Claims (39, 40, 41, 42, 43, 44, 45)
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Specification