Negative electrode and secondary battery containing the same

CN115298852BActive Publication Date: 2025-01-10LG ENERGY SOLUTION LTD
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Patent Information

Application Number
CN202180022631.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2020-06-11
Filing Date
2021-05-28
Publication Date
2025-01-10
Estimated Expiration
2041-05-28

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Abstract

The present invention relates to a negative electrode, which comprises: a negative electrode collector; and a negative electrode active material layer formed on the negative electrode collector, the negative electrode active material layer containing a silicon-based active material, a binder, a first conductive material and a second conductive material, wherein: the specific surface area of ​​the second conductive material is greater than the specific surface area of ​​the first conductive material; and the negative electrode active material layer contains 9.68 weight % to 9.83 weight % of the first conductive material and 0.17 weight % to 0.32 weight % of the second conductive material.
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Citation Information

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