ANODE COMPOSITION, LITHIUM SECONDARY BATTERY ANODE COMPRISING SAME, LITHIUM SECONDARY BATTERY COMPRISING ANODE, AND METHOD FOR PREPARING ANODE COMPOSITION
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United States of America Patent
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Issued Date -
Oct 10, 2024
app pub date -
Oct 20, 2022
filing date -
Oct 22, 2021
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Abstract
A negative electrode composition, a negative electrode for a lithium secondary battery, including the same, a lithium secondary battery including the negative electrode, and a method for preparing a negative electrode composition are disclosed. The negative electrode composition including a silicon-containing active material; a first negative electrode conductive material; and a negative electrode binder. The negative electrode binder has a composite structure wherein the first negative electrode conductive material is bonded to a surface of the negative electrode binder. The bond is a bond formed by a radical polymerization reaction. The negative electrode binder has a modulus of 1×103 MPa or more and 1×104 MPa or less at 25° C. The silicon-containing active material is present in an amount ranging from 60 parts by weight or more based on 100 parts by weight of the negative electrode composition.
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