Negative electrode and secondary battery including same
AssigneeLG Energy Solution, Ltd.
InventorsYoung Jae KIM, Jung Woo YOO
Life of this patent
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Abstract
The present invention relates to a negative electrode including a negative electrode current collector and a negative electrode active material layer formed on the negative electrode current collector, wherein the negative electrode active material layer includes a silicon-based active material and a negative electrode binder, wherein the negative electrode binder includes an aqueous binder and a rubber-based binder in a weight ratio of 82:18 to 88:12, and the aqueous binder includes at least one selected from the group consisting of polyvinyl alcohol, polyacrylic acid, polyethylene glycol, polyacrylonitrile, and polyacryl amide.
Claims12
A negative electrode comprising:
- a negative electrode current collector;
- and
- a negative electrode active material layer disposed on the negative electrode current collector, wherein
- the negative electrode active material layer includes a silicon-based active material and a negative electrode binder, and
- the negative electrode binder includes an aqueous binder and a rubber-based binder in a weight ratio of 82:18 to 88:12, and
- the aqueous binder includes at least one selected from the group consisting of polyvinyl alcohol, polyacrylic acid, polyethylene glycol, polyacrylonitrile, and polyacryl amide.
Dependencies are inferred from the claim text.