Ceramic materials and seals for high temperature reactive material devices
First Claim
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1. An electrochemical cell, comprising:
- a container comprising a conductor aperture, wherein said container is configured to contain a reactive material at a temperature of at least about 100°
C.;
a conductor that extends from an environment external to said container through said conductor aperture into said container; and
a sealing unit that couples said container to said conductor to seal said conductor aperture, wherein said sealing unit comprises a first ceramic component bonded to a second ceramic component, wherein said first ceramic component comprises a first material and said second ceramic component comprises a second material different from said first material, and wherein said first ceramic component or said second ceramic component is configured to be exposed to said reactive material while said sealing unit seals said conductor aperture.
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Abstract
The disclosure provides seals for devices that operate at elevated temperatures and have reactive metal vapors, such as lithium, sodium or magnesium. In some examples, such devices include energy storage devices that may be used within an electrical power grid or as part of a standalone system. The energy storage devices may be charged from an electricity production source for later discharge, such as when there is a demand for electrical energy consumption.
508 Citations
19 Claims
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1. An electrochemical cell, comprising:
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a container comprising a conductor aperture, wherein said container is configured to contain a reactive material at a temperature of at least about 100°
C.;a conductor that extends from an environment external to said container through said conductor aperture into said container; and a sealing unit that couples said container to said conductor to seal said conductor aperture, wherein said sealing unit comprises a first ceramic component bonded to a second ceramic component, wherein said first ceramic component comprises a first material and said second ceramic component comprises a second material different from said first material, and wherein said first ceramic component or said second ceramic component is configured to be exposed to said reactive material while said sealing unit seals said conductor aperture. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification