Battery housing configuration
First Claim
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1. A battery comprising:
- an electrode stack;
a feedthrough coupled to the electrode stack; and
a battery housing including a first portion that houses the electrode stack and a second portion that includes the feedthrough, wherein a thickness of the second portion is greater than a thickness of the first portion.
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Abstract
The invention is directed to techniques for decreasing the volume and thickness of a hermetic battery that includes an electrode stack contained within a hermetic housing. In particular, the invention is directed to batteries that have a non-uniform thickness as defined by the hermetic housing. A battery according to the invention includes a battery housing with at least two battery housing portions that define different thicknesses. For example, a first portion of the battery housing may have first thickness and house the battery, while a second portion of the battery housing has a second thickness and includes one or more feedthroughs. The second thickness may be greater than the first thickness.
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Citations
57 Claims
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1. A battery comprising:
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an electrode stack;
a feedthrough coupled to the electrode stack; and
a battery housing including a first portion that houses the electrode stack and a second portion that includes the feedthrough, wherein a thickness of the second portion is greater than a thickness of the first portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A battery comprising:
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an electrode stack;
a feedthrough coupled to the electrode stack; and
a battery housing that houses the electrode stack and includes the feedthrough, wherein the battery housing includes a first portion with a thickness defined by the electrode stack, and a second portion with a thickness defined by the feedthrough. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. An implantable medical device comprising:
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a housing; and
a battery located within the housing comprising;
an electrode stack to provide power for the implantable medical device;
a feedthrough coupled to the electrode stack; and
a battery housing including a first portion that houses the electrode stack and a second portion that includes the feedthrough, wherein a thickness of the second portion is greater than a thickness of the first portion. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40)
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41. A modular implantable medical device comprising a plurality of interconnected modules, wherein one of the modules comprises a battery, the battery comprising:
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an electrode stack to provide power for the modular implantable medical device;
a feedthrough coupled to the electrode stack; and
a battery housing including a first portion that houses the electrode stack and a second portion that includes the feedthrough, wherein a thickness of the second portion is greater than a thickness of the first portion. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52)
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53. A method of making a battery that comprises an electrode stack, a feedthrough coupled to the electrode stack, and a battery housing, the method comprising:
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forming at least one of a plurality of pieces of the housing such that a thickness of a first portion of the battery housing is less than a thickness of a second portion of the battery housing;
positioning the electrode stack within the first portion of the battery housing; and
positioning the feedthrough to pass through the battery housing at the second portion of the battery housing. - View Dependent Claims (54, 55)
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56. A battery comprising:
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an electrode stack;
a fill port; and
a battery housing that houses the electrode stack and includes the fill port, wherein the battery housing includes a first portion with a thickness defined by the electrode stack, and a second portion with a thickness defined by the fill port. - View Dependent Claims (57)
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Specification