PRELITHIATION SOLUTIONS FOR LITHIUM-ION BATTERIES
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United States of America Patent
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Dec 17, 2015
app pub date -
Jun 10, 2015
filing date -
Jun 12, 2014
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Abstract
Prelithiation solutions for lithium-based electrochemical cells are provided. The prelithiam solutions include prelithiation salts that are configured to prelithiate the negative electrode of the electrochemical cell. Lithium ions from the prelithiation lithium salt prelithiate the negative electrode when a charging current is passed between the negative and positive electrodes. In some embodiments, the prelithiation solution may function as an electrolyte for the electrochemical cell and further includes an ion conducting lithium-based salt that is stable at the cell operating voltage. Also provided are methods of prelithiation and electrochemical cells including prelithiation solutions.
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