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US 9,520,583 B2Granted
Galvanic element with enhanced safety properties
AssigneeRobert Bosch GmbH
InventorsThomas Wöhrle, Felix Eberle
Life of this patent
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Abstract
A galvanic element includes at least one lithium-intercalating and at least one lithium-deintercalating electrode. A positive electrode and a negative electrode are separated by a polyimide-based separator that has a labyrinth porosity. The polyimide-based separator is configured at least on one side with a porous, ceramically-based coating that comprises a binder and ceramic particles.
Claims15
A galvanic element, comprising:
- at least one lithium-intercalating electrode and at least one lithium-deintercalating electrode;
- and
- a polyimide-based separator separating the electrodes, the polyimide-based separator having a labyrinth porosity and being configured at least on one side with an outermost coating including a binder and ceramic particles.
Dependencies are inferred from the claim text.