NEGATIVE ELECTRODE ACTIVE SUBSTANCE PARTICLES FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERIES AND PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
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United States of America Patent
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Issued Date -
Mar 5, 2015
app pub date -
Mar 14, 2013
filing date -
Mar 30, 2012
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a negative electrode active substance for non-aqueous electrolyte secondary batteries comprising composite particles comprising metal particles, and a thermosetting resin or a carbonized product of the thermosetting resin, the composite particles having an average particle diameter of 5 to 100 μm; and a lithium ion secondary battery using the negative electrode active substance for non-aqueous electrolyte secondary batteries. The lithium ion secondary battery of the present invention is a non-aqueous electrolyte secondary battery that is prevented from suffering from volume expansion owing to occlusion of Li therein.
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