JP2019511099A - 電極組立体及び電極組立体と電池の製造方法 - Google Patents
電極組立体及び電極組立体と電池の製造方法 Download PDFInfo
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- electrode assembly
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- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
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- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- YKYONYBAUNKHLG-UHFFFAOYSA-N n-Propyl acetate Natural products CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
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- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- 238000007500 overflow downdraw method Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
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Abstract
Description
前記粒子組成物は、分離膜SPの第1主面S1上に形成された第1導電性ネットワーク層FL1の気孔内に提供され得る。また、図1bに示したように、前記粒子組成物は、分離膜SPの第2主面S2上に形成された第2導電性ネットワーク層FL2の気孔内に提供されてもよい。このとき、第2導電性ネットワーク層FL2の気孔内に提供される第2極性の電気的活物質は、第1導電性ネットワーク層FL1の気孔内に提供される第1極性の電気的活物質と反対の極性を有することができる。
Claims (38)
- 分離膜を提供する段階;
前記分離膜の第1主面上に少なくとも一つ以上の第1金属繊維を含む第1導電性ネットワーク層を形成する段階;及び
前記第1導電性ネットワーク層の気孔内に第1極性の電気的活物質を含む第1粒子組成物を提供する段階;を含む電極組立体の製造方法。 - 前記分離膜は、ポリエチレンフィルム、ポリプロピレンフィルム又はこれらの複合構造に気孔が形成されたフィルム形態の分離膜、前記フィルム形態の分離膜にセラミック粒子がコーティングされたセラミックコーティング分離膜、及び高分子繊維を用いて不織布又は織造構造を有する繊維形態の分離膜のうち少なくとも一つを含む、請求項1に記載の電極組立体の製造方法。
- 前記繊維形態の分離膜は、ポリエチレン繊維、ポリプロピレン繊維、ポリエチレンテレフタレート繊維、セルロース繊維、ケブラー繊維、ナイロン繊維及びポリフェニレンスルファイド繊維のうち少なくとも一つを含む、請求項2に記載の電極組立体の製造方法。
- 前記高分子繊維の直径は1nm以上100μm以下である、請求項2に記載の電極組立体の製造方法。
- 前記分離膜の厚さは10μm以上100μm以下で、気孔度は30%以上95%以下である、請求項1に記載の電極組立体の製造方法。
- 前記第1導電性ネットワーク層において前記第1主面と接する面の反対面には、隣接した層と結合するための露出表面が形成された、請求項1に記載の電極組立体の製造方法。
- 前記第1粒子組成物が前記第1導電性ネットワーク層の内部にのみ提供され、前記露出表面には、前記第1金属繊維を構成するセグメントの終端部又は前記セグメントの少なくとも一部が露出した、請求項6に記載の電極組立体の製造方法。
- 前記分離膜の前記第1主面と反対の第2主面上に少なくとも一つ以上の第2金属繊維を含む第2導電性ネットワーク層を形成する段階をさらに含む、請求項1に記載の電極組立体の製造方法。
- 前記第2導電性ネットワーク層の気孔内に前記第1極性と反対の第2極性の電気的活物質を含む第2粒子組成物を提供する段階をさらに含む、請求項8に記載の電極組立体の製造方法。
- 前記第1金属繊維が分散された溶媒内に前記分離膜を提供することによって前記第1導電性ネットワーク層を形成する、請求項1に記載の電極組立体の製造方法。
- 前記第1金属繊維が分散された空気中に前記分離膜を提供することによって前記第1導電性ネットワーク層を形成する、請求項1に記載の電極組立体の製造方法。
- 前記第1粒子組成物が提供された前記第1導電性ネットワーク層及び前記分離膜を圧着する段階をさらに含む、請求項1に記載の電極組立体の製造方法。
- 少なくとも一つ以上の第1金属繊維を含む第1導電性ネットワーク層を形成する段階;
前記第1導電性ネットワーク層を分離膜の第1主面上に積層する段階;及び
前記第1導電性ネットワーク層の気孔内に第1極性の電気的活物質を含む第1粒子組成物を提供する段階;を含む電極組立体の製造方法。 - 前記第1導電性ネットワーク層において前記第1主面と接する面の反対面には、隣接した層と結合するための露出表面が形成された、請求項13に記載の電極組立体の製造方法。
- 前記第1粒子組成物が前記第1導電性ネットワークの内部にのみ提供され、前記露出表面には、前記第1金属繊維を構成するセグメントの終端部又は前記セグメントの少なくとも一部が露出した、請求項14に記載の電極組立体の製造方法。
- 前記分離膜の前記第1主面と反対の第2主面上に少なくとも一つ以上の第2金属繊維を含む第2導電性ネットワーク層を積層する段階をさらに含む、請求項13に記載の電極組立体の製造方法。
- 前記第2導電性ネットワーク層の気孔内に前記第1極性と反対の第2極性の電気的活物質を含む第2粒子組成物を提供する段階をさらに含む、請求項16に記載の電極組立体の製造方法。
- カーディング工法を用いて、前記第1金属繊維がランダムに配列された繊維層を含む前記第1導電性ネットワーク層を形成する、請求項13に記載の電極組立体の製造方法。
- 前記繊維層は、熱処理による溶融及び接着剤による接着のうち少なくとも一つによって前記分離膜上に積層される、請求項18に記載の電極組立体の製造方法。
- 前記繊維層は、前記第1金属繊維以外に繊維型バインダーをさらに含む、請求項18に記載の電極組立体の製造方法。
- 前記繊維型バインダーは、ポリエチレン(PE)、ポリプロピレン(PP)、ポリエチレンテレフタレート(PET)、ポリプロピレンテレフタレート(PPT)、ナイロン、ポリエチレンナフタレート(PEN)、ポリエーテルスルホン(PES)、ポリエーテルエーテルケトン(PEEK)、ポリフェニレンスルファイド(PPS)、ポリビニリデンフルオライド(PVDF)、及びこれらの共重合体又はこれらの混合物のうち少なくとも一つを含む、請求項20に記載の電極組立体の製造方法。
- 分離膜;
前記分離膜の第1主面上に形成された少なくとも一つ以上の第1金属繊維を含む第1導電性ネットワーク層;及び
前記第1導電性ネットワーク層の気孔内に含浸された第1極性の電気的活物質を含む第1粒子組成物;を含む電極組立体。 - 前記分離膜は、ポリエチレンフィルム、ポリプロピレンフィルム又はこれらの複合構造に気孔が形成されたフィルム形態の分離膜、前記フィルム形態の分離膜にセラミック粒子がコーティングされたセラミックコーティング分離膜、及び高分子繊維を用いて不織布又は織造構造を有する繊維形態の分離膜のうち少なくとも一つを含む、請求項22に記載の電極組立体。
- 前記繊維形態の分離膜は、ポリエチレン繊維、ポリプロピレン繊維、ポリエチレンテレフタレート繊維、セルロース繊維、ケブラー繊維、ナイロン繊維及びポリフェニレンスルファイド繊維のうち少なくとも一つを含む、請求項23に記載の電極組立体。
- 前記高分子繊維の直径は1nm以上100μm以下である、請求項23に記載の電極組立体。
- 前記分離膜の厚さは10μm以上100μm以下で、気孔度は30%以上95%以下である、請求項22に記載の電極組立体。
- 前記第1導電性ネットワーク層において前記第1主面と接する面の反対面は、隣接した層と結合するための露出表面を含む、請求項22に記載の電極組立体。
- 前記第1粒子組成物が前記第1導電性ネットワーク層の内部にのみ提供され、前記露出表面には、前記第1金属繊維を構成するセグメントの終端部又は前記セグメントの少なくとも一部が露出した、請求項27に記載の電極組立体。
- 前記分離膜の前記第1主面と反対の第2主面上に形成された少なくとも一つ以上の第2金属繊維を含む第2導電性ネットワーク層をさらに含む、請求項22に記載の電極組立体。
- 前記第2導電性ネットワーク層の気孔内に前記第1極性と反対の第2極性の電気的活物質を含む第2粒子組成物をさらに含む、請求項29に記載の電極組立体。
- 前記第1導電性ネットワーク層は、前記第1金属繊維以外に繊維型バインダーをさらに含む、請求項22に記載の電極組立体。
- 前記繊維型バインダーは、ポリエチレン(PE)、ポリプロピレン(PP)、ポリエチレンテレフタレート(PET)、ポリプロピレンテレフタレート(PPT)、ナイロン、ポリエチレンナフタレート(PEN)、ポリエーテルスルホン(PES)、ポリエーテルエーテルケトン(PEEK)、ポリフェニレンスルファイド(PPS)、ポリビニリデンフルオライド(PVDF)、及びこれらの共重合体又はこれらの混合物のうち少なくとも一つを含む、請求項31に記載の電極組立体。
- 第1主面及び前記第1主面と反対の第2主面を有する第1分離膜の前記第1主面上に少なくとも一つ以上の第1金属繊維を含む第1導電性ネットワーク層を形成し、前記第1導電性ネットワーク層の気孔内に第1極性の電気的活物質を含む第1粒子組成物が含浸された第1電極組立体を提供する段階;
第3主面及び前記第3主面と反対の第4主面を有する第2分離膜の前記第3主面上に少なくとも一つ以上の第2金属繊維を含む第2導電性ネットワーク層を形成し、前記第2導電性ネットワーク層の気孔内に前記第1極性と反対の第2極性の電気的活物質を含む第2粒子組成物が含浸された第2電極組立体を提供する段階;及び
前記第1分離膜の前記第2主面と前記第2分離膜の前記第3主面とが互いに対向するように前記第1電極組立体と前記第2電極組立体とを結合する段階;を含む電池の製造方法。 - 前記第1分離膜の前記第2主面上に少なくとも一つ以上の第3金属繊維を含む第3導電性ネットワーク層が形成された、請求項33に記載の電池の製造方法。
- 前記第1分離膜の前記第2主面上に形成された前記第3金属繊維の繊維密度は、前記第2分離膜の前記第3主面上に形成された前記第2金属繊維の繊維密度より小さい、請求項34に記載の電池の製造方法。
- 前記第2分離膜の前記第4主面上に少なくとも一つ以上の第4金属繊維を含む第4導電性ネットワーク層が形成された、請求項33に記載の電池の製造方法。
- 前記第1電極組立体又は前記第2電極組立体と同一の構造の少なくとも一つ以上の電極組立体を前記第1電極組立体と前記第2電極組立体との結合面の反対面に結合する段階をさらに含む、請求項33に記載の電池の製造方法。
- 結合された前記第1電極組立体と前記第2電極組立体を巻き取る段階をさらに含む、請求項33に記載の電池の製造方法。
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PCT/KR2017/003140 WO2017175992A2 (ko) | 2016-04-07 | 2017-03-23 | 전극 조립체 및 전극 조립체와 전지의 제조 방법 |
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US11217861B2 (en) | 2017-04-07 | 2022-01-04 | Toyota Jidosha Kabushiki Kaisha | Battery |
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JP2019149259A (ja) * | 2018-02-26 | 2019-09-05 | 学校法人早稲田大学 | 蓄電デバイス用セパレータ及びその製造方法、蓄電デバイス用一体構造物及びその製造方法 |
WO2020218865A1 (ko) * | 2019-04-25 | 2020-10-29 | 주식회사 제낙스 | 컵 홀더 |
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JP2020109773A (ja) | 2020-07-16 |
US20210036291A1 (en) | 2021-02-04 |
KR20170115415A (ko) | 2017-10-17 |
CN108886161A (zh) | 2018-11-23 |
US20190109311A1 (en) | 2019-04-11 |
EP3442067A2 (en) | 2019-02-13 |
WO2017175992A2 (ko) | 2017-10-12 |
WO2017175992A3 (ko) | 2018-09-07 |
KR101860996B1 (ko) | 2018-05-25 |
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