Seal ring and associated method
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United States of America Patent
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May 8, 2018
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N/A
app pub date -
Sep 3, 2015
filing date -
Aug 19, 2008
priority date (Note) -
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Abstract
An article is presented. The article includes a seal ring configured for use in an energy storage device, the seal ring comprising a first portion and a second portion that each include an alumina-based cermet, that comprises a sufficient amount of metal or metal alloy to be weldable, and the cermet comprises a ceramic material selected from a group consisting of silica, yttria, and ytterbia, and the seal ring further comprises a third region intervening between the first portion and the second portion that is sufficiently electrically insulative and of sufficient thickness to electrically isolate the first portion from the second portion.
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