| 摘要 |
An electrode assembly and a secondary battery having the same that can prevent an electrode coating portion from being separated from an electrode collector and generation of cracks on a surface of the ceramic layer coated on the electrode, the secondary battery comprising: an electrode assembly; a can having an upper opening to receive the electrode assembly; and a cap assembly covering the opening of the can, wherein the electrode assembly comprises a positive electrode plate, a negative electrode plate, and ceramic layers that are coated on at the surfaces of the positive electrode plate and the negative electrode plate that face each other, and the ceramic layers include a ceramic powder, a binder, and an additive, and the additive comprises at least one of vinyl acetate, maleic acid, and maleate.
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