JP2020514992A - 電極リード間の連結構造を改善したバッテリーモジュール及びその製造方法 - Google Patents
電極リード間の連結構造を改善したバッテリーモジュール及びその製造方法 Download PDFInfo
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- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
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Abstract
Description
111 正極リード
112 負極リード
114 折曲部
115 ボルト孔
150 バッテリーモジュール
200 絶縁ボルト
210 弾性体
210a 弾性体
210b 弾性体
220 ワッシャー
220′ 変形ワッシャー
220a 平ワッシャー
220b ロックワッシャー
220c 外歯ワッシャー
220d 内歯ワッシャー
230 ナット
240 バスバー
241 ボルトタブ
Claims (14)
- 電極リードを備える複数の二次電池が積層されて構成された二次電池積層体を含み、
前記電極リードは、二次電池から突出し、端部が左側または右側に折り曲げられた折曲部が形成され、
逆極性の電極リードの折曲部の間に弾性体を介在させながら、隣接する二次電池の折曲部同士が積層され、前記弾性体を圧縮しながら、前記積層された部分がワッシャーの付いた絶縁ボルトで締結されていることを特徴とするバッテリーモジュール。 - 前記折曲部が積層された部分の下にバスバーが位置して前記絶縁ボルトで一緒に締結されることを特徴とする、請求項1に記載のバッテリーモジュール。
- 前記折曲部及び前記バスバーにボルト孔が形成され、前記絶縁ボルトが前記ワッシャー及び前記ボルト孔を貫通して前記バスバーの下でナットと結合されることを特徴とする、請求項2に記載のバッテリーモジュール。
- 前記折曲部にボルト孔が形成され、前記バスバーにボルトタブが形成され、前記絶縁ボルトが前記ワッシャー及び前記ボルト孔を貫通して前記ボルトタブに結合されることを特徴とする、請求項2に記載のバッテリーモジュール。
- 前記弾性体は環状であって、前記絶縁ボルトの周りに位置することを特徴とする、請求項1から4のいずれか一項に記載のバッテリーモジュール。
- 前記弾性体が前記絶縁ボルトの両側に対称的に位置することを特徴とする、請求項1から4のいずれか一項に記載のバッテリーモジュール。
- 前記バッテリーモジュールの環境が変化したときに、前記ワッシャーが溶融して前記弾性体の圧縮状態が解除され、その反発力で前記折曲部が積層された部分の間隔が広がって電気的連結が解除されることを特徴とする、請求項1から6のいずれか一項に記載のバッテリーモジュール。
- ボルト孔が形成されている電極リードを備える複数の二次電池を用意する段階;
前記電極リードの端部が左側または右側に曲げられた形態の折曲部を形成する段階;
逆極性の電極リードの折曲部の間に弾性体を介在させながら、前記ボルト孔が整列されるように、隣接する二次電池の前記折曲部を積層する段階;及び
前記ボルト孔にワッシャーの付いた絶縁ボルトを貫通させて前記弾性体を圧縮しながら、積層された部分をワッシャーの付いた絶縁ボルトで締結する段階を含むことを特徴とするバッテリーモジュールの製造方法。 - 前記折曲部が積層された部分の下にバスバーを位置させて前記絶縁ボルトで一緒に締結することを特徴とする、請求項8に記載のバッテリーモジュールの製造方法。
- 前記バスバーにボルト孔を形成して、前記絶縁ボルトが前記ワッシャー及びボルト孔を貫通して前記バスバーの下でナットと結合されるようにすることを特徴とする、請求項9に記載のバッテリーモジュールの製造方法。
- 前記バスバーにボルトタブを形成して、前記絶縁ボルトが前記ワッシャー及びボルト孔を貫通して前記ボルトタブに結合されるようにすることを特徴とする、請求項9に記載のバッテリーモジュールの製造方法。
- 前記弾性体は環状であって、前記絶縁ボルトの周りに位置されることを特徴とする、請求項8から11のいずれか一項に記載のバッテリーモジュールの製造方法。
- 前記弾性体が前記絶縁ボルトの両側に対称的に位置されることを特徴とする、請求項8から11のいずれか一項に記載のバッテリーモジュールの製造方法。
- 前記バッテリーモジュールの環境が変化したときに、前記ワッシャーが溶融して前記弾性体の圧縮状態が解除され、その反発力で前記折曲部が積層された部分の間隔が広がって電気的連結が解除されるようにすることを特徴とする、請求項8から13のいずれか一項に記載のバッテリーモジュールの製造方法。
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KR1020170045410A KR102158363B1 (ko) | 2017-04-07 | 2017-04-07 | 전극 리드간 연결 구조를 개선한 배터리 모듈 및 그 제조방법 |
KR10-2017-0045410 | 2017-04-07 | ||
PCT/KR2018/002590 WO2018186594A1 (ko) | 2017-04-07 | 2018-03-05 | 전극 리드간 연결 구조를 개선한 배터리 모듈 및 그 제조방법 |
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KR20210041845A (ko) * | 2019-10-08 | 2021-04-16 | 주식회사 엘지화학 | 물리적 결합으로 전극리드와 연결되는 연결부재, 및 이를 포함하는 전지셀 스택 |
KR102466946B1 (ko) * | 2019-10-24 | 2022-11-14 | 신흥에스이씨주식회사 | 내진동성이 우수한 배터리팩 |
US20220263176A1 (en) * | 2021-02-12 | 2022-08-18 | Schaeffler Technologies AG & Co. KG | Mounting arrangement for battery cells to maintain constant pressure over the duty cycle of a battery |
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- 2018-03-05 US US16/476,491 patent/US11245161B2/en active Active
- 2018-03-05 JP JP2019539857A patent/JP7037021B2/ja active Active
- 2018-03-05 EP EP18781340.7A patent/EP3557652B1/en active Active
- 2018-03-05 CN CN201880005995.7A patent/CN110168770B/zh active Active
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US20200303710A1 (en) | 2020-09-24 |
US11245161B2 (en) | 2022-02-08 |
CN110168770A (zh) | 2019-08-23 |
EP3557652B1 (en) | 2021-10-20 |
KR102158363B1 (ko) | 2020-09-21 |
JP7037021B2 (ja) | 2022-03-16 |
CN110168770B (zh) | 2021-10-15 |
EP3557652A4 (en) | 2020-03-18 |
EP3557652A1 (en) | 2019-10-23 |
WO2018186594A1 (ko) | 2018-10-11 |
KR20180113813A (ko) | 2018-10-17 |
PL3557652T3 (pl) | 2022-01-24 |
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