JP5987118B2 - 電極組立体の製造方法 - Google Patents
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Description
Claims (16)
- 第1電極、第1分離膜、第2電極及び第2分離膜を順次積層して4層構造の基本単位体を製造する基本単位体の製造段階;及び
前記基本単位体を基本単位体の単位で積層して電極組立体を製造し、かつ所定個数の基本単位体が積層される度に最外側の基本単位体に熱と圧力を加えて前記基本単位体を互いに接着させる基本単位体の積層段階を含み、
前記基本単位体の製造段階は、前記電極と前記分離膜を接着させて前記基本単位体を製造し、前記分離膜は接着力を有するコーティング物質が表面にコーティングされており、
前記基本単位体の積層段階は、所定個数の基本単位体が積層される度に加熱プレスで最上側の基本単位体で最上側の電極を加圧することを特徴とする、電極組立体の製造方法。 - 前記加熱プレスは、前記基本単位体の平断面形状に対応される形状の加圧面を有することを特徴とする請求項1に記載の電極組立体の製造方法。
- 前記加熱プレスは、50〜100kgf/cm2の圧力で前記基本単位体を加圧することを特徴とする請求項1に記載の電極組立体の製造方法。
- 前記加熱プレスは、80〜100°Cの温度に加熱された状態で前記基本単位体を加圧することを特徴とする請求項1に記載の電極組立体の製造方法。
- 前記加熱プレスは、1〜3秒間、前記基本単位体を加圧することを特徴とする請求項1に記載の電極組立体の製造方法。
- 前記基本単位体の製造段階は、ラミネーティングにより前記電極と前記分離膜を接着させて前記基本単位体を製造することを特徴とする請求項1に記載の電極組立体の製造方法。
- 前記コーティング物質は、無機物粒子とバインダー高分子の混合物であることを特徴とする請求項1に記載の電極組立体の製造方法。
- 前記第1分離膜は、前記第1電極と前記第2電極に対向する両面に前記コーティング物質がコーティングされ、前記第2分離膜は、前記第2電極に対向する一面とその反対面に前記コーティング物質がコーティングされることを特徴とする請求項1に記載の電極組立体の製造方法。
- 前記基本単位体の製造段階は、前記4層構造を繰り返し積層して前記基本単位体を製造することを特徴とする請求項1に記載の電極組立体の製造方法。
- 前記基本単位体の積層段階は、前記電極組立体の最上側または最下側に位置する第1電極である第1末端電極に第1補助単位体をさらに積層し、
前記第1補助単位体は、前記第1電極が正極で前記第2電極が負極であるとき、前記第1末端電極から順次分離膜、負極、分離膜及び正極が積層されて形成され、前記第1電極が負極で前記第2電極が正極であるとき、前記第1末端電極から順次分離膜及び正極が積層されて形成されることを特徴とする請求項1に記載の電極組立体の製造方法。 - 前記第1補助単位体の正極は、集電体、及び前記集電体の両面のうち前記基本単位体に対向する一面にのみコーティングされた活物質を備えることを特徴とする請求項10に記載の電極組立体の製造方法。
- 前記基本単位体の積層段階は、前記電極組立体の最上側または最下側に位置する第1電極である第1末端電極に第1補助単位体をさらに積層し、
前記第1補助単位体は、前記第1電極が正極で前記第2電極が負極であるとき、前記第1末端電極から順次分離膜、負極及び分離膜が積層されて形成されることを特徴とする請求項1に記載の電極組立体の製造方法。 - 前記基本単位体の積層段階は、前記電極組立体の最上側または最下側に位置する第2分離膜である第2末端分離膜に第2補助単位体をさらに積層し、
前記第2補助単位体は、前記第1電極が正極で前記第2電極が負極であるとき正極に形成され、前記第1電極が負極で前記第2電極が正極であるとき、前記第2末端分離膜から順次負極、分離膜及び正極が積層されて形成されることを特徴とする請求項1に記載の電極組立体の製造方法。 - 前記第2補助単位体の正極は、集電体、及び前記集電体の両面のうち前記基本単位体に対向する一面にのみコーティングされた活物質を備えることを特徴とする請求項13に記載の電極組立体の製造方法。
- 前記基本単位体の積層段階は、前記電極組立体の最上側または最下側に位置する第2分離膜である第2末端分離膜に第2補助単位体をさらに積層し、
前記第2補助単位体は、前記第1電極が正極で前記第2電極が負極であるとき、前記第2末端分離膜から順次第1正極、分離膜、負極、分離膜及び第2正極が積層されて形成され、
前記第2補助単位体の第2正極は、集電体、及び前記集電体の両面のうち前記基本単位体に対向する一面にのみコーティングされた活物質を備えることを特徴とする請求項1に記載の電極組立体の製造方法。 - 前記基本単位体の積層段階は、前記電極組立体の最上側または最下側に位置する第2分離膜である第2末端分離膜に第2補助単位体をさらに積層し、
前記第2補助単位体は、前記第1電極が負極で前記第2電極が正極であるとき、前記第2末端分離膜から順次負極、分離膜、正極、分離膜及び負極が積層されて形成されることを特徴とする請求項1に記載の電極組立体の製造方法。
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CN104718655A (zh) | 2015-06-17 |
TWI566942B (zh) | 2017-01-21 |
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