Lithium-rich electrode plate of lithium-ion battery and preparation method thereof
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United States of America Patent
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Oct 31, 2017
Grant Date -
Dec 10, 2015
app pub date -
Jun 2, 2015
filing date -
Jun 5, 2014
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Abstract
The present disclosure provides a lithium-rich electrode plate of a lithium-ion battery and a preparation method thereof. The preparation method of the lithium-rich electrode plate of the lithium-ion battery comprises steps of: (1) in a protective gas environment, melting a lithium ingot to obtain a melting lithium; (2) in a vacuum environment, heating and drying ceramic particles to obtain dried and anhydrous ceramic particles; (3) in a protective gas environment, adding the dried and anhydrous ceramic particles into the melting lithium, stirring to make them uniformly mixed to obtain a modified melting lithium; (4) in a protective gas environment, uniformly coating the modified melting lithium on a surface of an electrode plate to be lithium rich to form a lithium-rich layer, which is followed by cooling to room temperature to obtain a lithium-rich electrode plate of a lithium-ion battery. The lithium-rich electrode plate is prepared according to the preparation method.
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