JP7670849B2 - 火炎遮断部材が付加されたバスバーを含む電池セルアセンブリ及びこれを含む電池セルアセンブリ構造体 - Google Patents
火炎遮断部材が付加されたバスバーを含む電池セルアセンブリ及びこれを含む電池セルアセンブリ構造体 Download PDFInfo
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Description
110 電池セル(缶型電池セル、パウチ型電池セル)
111 電極リード
120 セルカバー
130 バスバー
140 バスバーフレーム
141 第1面
142 第2面
143 スリット
150 火炎遮断部材
151 第1網状構造体
152 第2網状構造体
160 ターミナル部
210 ベースプレート
220 支持部材
221 結合部
230 固定部材
400 電池セルアセンブリ
410 電池セル(パウチ型電池セル)
411 電極リード
420 セルカバー
421 上側カバー部
422 第1側面カバー部
423 第2側面カバー部
424 切欠部
425 ベント孔
426 フレームアレスター
430 バスバー
431 リード結合部
432 曲がり部
440 バスバーフレーム
450 火炎遮断部材
460 ターミナル部
470 耐火性絶縁カバー
470 絶縁カバー
K1 インターバスバー
L 全長方向
Claims (17)
- 少なくとも1つのパウチ型電池セルと、
前記パウチ型電池セルを包み込むセルカバーと、
前記パウチ型電池セルの電極リードと接続されるバスバーと、
前記バスバーを支持し、前記セルカバーにおいて前記電極リードが位置する前記セルカバーの前方の開放端部または後方の開放端部をカバーするバスバーフレームと、
を含み、
前記バスバーは、高剛性且つ高耐熱性の素材のメッシュ網を備えた火炎遮断部材が胴体に結合され、
前記バスバーは、胴体に貫通口を備え、
前記貫通口は、前記火炎遮断部材によりカバーされた、電池セルアセンブリ。 - 前記パウチ型電池セルは、正極リードと負極リードとが前記パウチ型電池セルの全長方向の終端それぞれから互いに反対の方向に突出する両方向の電池セルであり、
前記セルカバーは、
前記正極リード及び負極リードが突出した方向を除いた4つの外面の全体を包み込む四角いフレームの形状、または前記4つの外面のうちの3つの外面を包み込むn字状のフレームの形状である、請求項1に記載の電池セルアセンブリ。 - 前記火炎遮断部材は、前記バスバーと一体形に結合された形状である、請求項1に記載の電池セルアセンブリ。
- 前記火炎遮断部材は、高剛性且つ高耐熱性の素材の前記メッシュ網からなる網状構造体が複数重なり合った形状に構成された、請求項1に記載の電池セルアセンブリ。
- 前記火炎遮断部材は、
前記バスバーの一方の面に溶接されて、前記バスバーを基準として前記セルカバーの内部に向かって配置される第1網状構造体と、
前記バスバーの他方の面に溶接されて、前記バスバーを基準として前記セルカバーの外部に向かって配置される第2網状構造体と、
を含む、請求項1に記載の電池セルアセンブリ。 - 前記火炎遮断部材は、複数のメッシュ網が積み重ねられた網状構造体の形状に構成され、前記貫通口に充填された、請求項1に記載の電池セルアセンブリ。
- 前記バスバーは、隣り合う他の電池セルアセンブリと電気的に接続するためのターミナル部を含み、
前記ターミナル部は、前記バスバーが前記火炎遮断部材よりも上部方向にさらに延設された部分である、請求項1に記載の電池セルアセンブリ。 - 前記バスバーは、隣り合う他の電池セルアセンブリと電気的に接続するためのターミナル部を含み、
前記ターミナル部は、前記セルカバーの上部に位置する、請求項1に記載の電池セルアセンブリ。 - 前記バスバーと前記バスバーフレームとは、前記セルカバーの前方の開放端部または後方の開放端部に起立配置される第1面と、
前記第1面に対して折り曲げられた形状で前記セルカバーの上部に配置される第2面と、
を含み、
前記ターミナル部は、前記第2面に配備された、請求項8に記載の電池セルアセンブリ。 - 前記火炎遮断部材は、銅またはステンレス鋼の素材から形成された、請求項1に記載の電池セルアセンブリ。
- 前記パウチ型電池セルは、電極組立体が内蔵された収容部が地面に対して垂直に立てられた状態で前記セルカバーに収容され、
前記セルカバーは、前記パウチ型電池セルの上部側のエッジを包み込む上側カバー部と、
前記パウチ型電池セルの収容部の一方の面を包み込む第1側面カバー部と、
前記パウチ型電池セルの収容部の他方の面を包み込む第2側面カバー部と、
を含む、請求項1に記載の電池セルアセンブリ。 - 前記セルカバーは、
前記上側カバー部にガスを排気可能なベント孔を1本以上備えた、請求項11に記載の電池セルアセンブリ。 - 前記ベント孔には、1つ以上のメッシュ網を備えるフレームアレスターが結合された、請求項12に記載の電池セルアセンブリ。
- 前記セルカバーは、
前記セルカバーの全長方向に沿った終端それぞれの上側に、隅角部が切り欠かれた形状で設けられた切欠部を備え、
前記バスバーは、
前記切欠部を介して前記セルカバーの上部方向に露出されて、前記電池セルアセンブリの正極ターミナルまたは負極ターミナルとして機能するターミナル部を備える、請求項1に記載の電池セルアセンブリ。 - 請求項1~14のいずれか一項に記載の電池セルアセンブリが装着されるベースプレートと、
前記電池セルアセンブリの全長方向の側面に配置される支持部材と、
前記電池セルアセンブリの位置固定のために付加されて前記支持部材に結合される固定部材と、
を含む、電池セルアセンブリ構造体。 - 請求項15に記載の電池セルアセンブリ構造体を含む、バッテリーパック。
- 請求項15に記載の電池セルアセンブリ構造体を含む、電気自動車。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20220002978 | 2022-01-07 | ||
| KR10-2022-0002978 | 2022-01-07 | ||
| PCT/KR2022/020739 WO2023132519A1 (ko) | 2022-01-07 | 2022-12-19 | 화염차단부재가 부가된 버스바를 포함하는 전지셀 어셈블리 및 이를 포함하는 전지셀 어셈블리 구조체 |
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| Publication Number | Publication Date |
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| JP2024512930A JP2024512930A (ja) | 2024-03-21 |
| JP7670849B2 true JP7670849B2 (ja) | 2025-04-30 |
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| Country | Link |
|---|---|
| US (2) | US20240396158A1 (ja) |
| EP (1) | EP4270631B1 (ja) |
| JP (1) | JP7670849B2 (ja) |
| KR (1) | KR20230107120A (ja) |
| CN (1) | CN116762229A (ja) |
| WO (1) | WO2023132519A1 (ja) |
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| KR20250012224A (ko) * | 2023-07-17 | 2025-01-24 | 주식회사 엘지에너지솔루션 | 이차전지 |
| JP2026502107A (ja) * | 2023-12-01 | 2026-01-21 | エルジー エナジー ソリューション リミテッド | 電池アセンブリおよびこれを含む電池パック |
| KR20250145970A (ko) * | 2024-03-29 | 2025-10-13 | 에스케이온 주식회사 | 배터리 모듈 |
| KR20250177748A (ko) * | 2024-06-17 | 2025-12-24 | 주식회사 엘지에너지솔루션 | 배터리 셀 어셈블리 |
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- 2022-12-19 CN CN202280011835.XA patent/CN116762229A/zh active Pending
- 2022-12-19 KR KR1020220178542A patent/KR20230107120A/ko active Pending
- 2022-12-19 WO PCT/KR2022/020739 patent/WO2023132519A1/ko not_active Ceased
- 2022-12-19 EP EP22919056.6A patent/EP4270631B1/en active Active
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| JP2009211909A (ja) | 2008-03-04 | 2009-09-17 | Panasonic Corp | 電池、電池パックおよびそれに用いる接続端子の製造方法 |
| WO2016132404A1 (ja) | 2015-02-16 | 2016-08-25 | 三洋電機株式会社 | 電源装置 |
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Also Published As
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|---|---|
| EP4270631B1 (en) | 2026-02-04 |
| KR20230107120A (ko) | 2023-07-14 |
| EP4270631A4 (en) | 2024-12-11 |
| US20240396158A1 (en) | 2024-11-28 |
| JP2024512930A (ja) | 2024-03-21 |
| WO2023132519A1 (ko) | 2023-07-13 |
| CN116762229A (zh) | 2023-09-15 |
| EP4270631A1 (en) | 2023-11-01 |
| US20240213549A1 (en) | 2024-06-27 |
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