Sustainable Current Collectors for Lithium Batteries
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United States of America Patent
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Issued Date -
Jun 25, 2015
app pub date -
Jul 11, 2013
filing date -
Jul 26, 2012
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Abandoned
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Abstract
The claimed invention relates to a current collector product for one or more galvanic battery cells. Currently, the metal considered as current collector for the negative electrode is copper. Some of the disadvantages of copper are that it is a rare, heavy and expensive element. To alleviate at least some of the problems of the prior art battery cells, at least part of the current collector electrode supporting portion is composed of pure iron or an iron alloy with less than 10 percent by weight of impurities or alloying constituents. The claimed invention also relates to a galvanic, lithium or sodium, battery cell and to a method for producing a current collector product.
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