KR101757382B1 - 냉각 성능이 개선된 냉각부재와 이를 포함하는 전지모듈 - Google Patents
냉각 성능이 개선된 냉각부재와 이를 포함하는 전지모듈 Download PDFInfo
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- KR101757382B1 KR101757382B1 KR1020140134842A KR20140134842A KR101757382B1 KR 101757382 B1 KR101757382 B1 KR 101757382B1 KR 1020140134842 A KR1020140134842 A KR 1020140134842A KR 20140134842 A KR20140134842 A KR 20140134842A KR 101757382 B1 KR101757382 B1 KR 101757382B1
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Abstract
Description
도 2 내지 도 7은 본 발명의 실시예들에 따른 냉각부재와 전지모듈을 도시한 것으로, 가 도면의 a는 전지모듈의 사시도, b는 정면도, c는 측면도이다.
도 8a 및 도 8b는 비교예와 본 발명 실시예들에 따른 전지셀 냉각 효과를 시뮬레이션하기 위한 셀 설계 관련도면이다.
도 9a 내지 도 9c는 도 8b에 도시한 예에 대해 전지셀 냉각 효과를 시뮬레이션한 결과로서, 냉매 흐름 방향을 따라 전지셀 면적에 따른 온도 분포를 도시한 그래프이다.
130...히트싱크 140...유로
150...냉각핀 152, 154, 156...돌출부
160...흡열판 170...TIM
Claims (19)
- 전지셀들이 적층되어 있는 전지셀 적층체의 상부 및/또는 하부에 장착되어 충방전시 전지셀로부터 발생하는 열을 제거하는 냉각부재로서,
전지셀 적층체의 상부 및/또는 하부에 위치하고, 내부에 냉매가 입구로 들어가서 출구로 나가면서 일방향으로 흐르는 유로가 형성된 중공 구조의 히트싱크; 및
상기 유로 안에 구비되고 상기 유로를 통한 냉매 흐름의 하류측을 향할수록 열전달 면적이 증가하는 열전도성 구조물을 하나 이상 포함하고,
상기 구조물은 상기 히트싱크의 몸체 중 상기 전지셀 적층체에 가까운 곳에 장착되어,
상기 냉매 흐름의 하류측의 방열량을 상류측의 방열량보다 크게 해, 상기 냉매 흐름의 하류측으로 갈수록 상기 전지셀로부터의 수열에 의해 냉매 온도가 상승하여도 상기 전지셀 적층체를 균일하게 냉각하는 것을 특징으로 하는 냉각부재. - 제1항에 있어서, 상기 냉매는 기체 또는 액체인 것을 특징으로 하는 냉각부재.
- 삭제
- 제1항에 있어서, 상기 구조물은 상기 냉매 흐름 방향을 따라 점차 높이가 커지는 상어 지느러미 모양의 냉각핀인 것을 특징으로 하는 냉각부재.
- 제4항에 있어서, 상기 냉각핀은 단독으로 혹은 조를 이루어 열을 지어 배열되는 것을 특징으로 하는 냉각부재.
- 제4항에 있어서, 상기 냉각핀은 상기 냉매 흐름 방향을 따라 연속적 또는 불연속적으로 형성되는 것을 특징으로 하는 냉각부재.
- 제1항에 있어서, 상기 구조물은 상기 냉매 흐름 방향을 따라 점차 표면적이 넓게 형성되거나 돌출 치수가 커지는 복수의 돌출부인 것을 특징으로 하는 냉각부재.
- 제7항에 있어서, 상기 돌출부는 반구상의 돔, 다각형 기둥 또는 사각형 핀인 것을 특징으로 하는 냉각부재.
- 제7항에 있어서, 상기 돌출부는 열을 지어 배열되는 것을 특징으로 하는 냉각부재.
- 제1항에 있어서, 상기 냉각부재는 상기 전지셀들 사이에 개재되는 흡열판을 더 포함하고 상기 히트싱크는 상기 흡열판으로부터 전도된 열을 방열하도록 흡열판과 연결되어 있는 것을 특징으로 하는 냉각부재.
- 제10항에 있어서, 상기 흡열판은 수직단면상 "ㄱ"자형 또는 "T"자형인 것을 특징으로 하는 냉각부재.
- 제10항에 있어서, 상기 흡열판은 열도전성 금속 판재인 것을 특징으로 하는 냉각부재.
- 제10항에 있어서, 상기 히트싱크와 흡열판은 접촉 열저항 감소 접합으로 결합되어 있는 것을 특징으로 하는 냉각부재.
- 제13항에 있어서, 상기 접촉 열저항 감소 접합은 방열 그리스(thermally conductive grease), 방열 에폭시계 접착제(thermally conductive epoxy-based bond), 방열 실리콘 패드(thermally conductive silicone pad), 방열 접착테이프(thermally conductive adhesive tape) 및 흑연 시트(graphite sheet)로 이루어진 군에서 선택되는 하나 이상의 것에 의해 달성되는 것을 특징으로 하는 냉각부재.
- 제1항에 있어서, 상기 전지셀은 판상형 전지셀이고, 일면 또는 양면이 인접한 전지셀에 대면하도록 적층 배열되어 전지셀 적층체를 형성하고 있는 것을 특징으로 하는 냉각부재.
- 제15항에 있어서, 상기 판상형 전지셀은 수지층과 금속층을 포함하는 라미네이트 시트의 전지케이스에 전극조립체를 내장한 상태에서 전지케이스의 외주면을 열융착하여 밀봉한 구조의 파우치형 전지셀이고, 상기 파우치형 전지셀의 열융착된 외주면이 상기 전지셀들을 각각 고정하여 전지셀 적층체를 형성하는 카트리지들 사이에 고정되어 있는 것을 특징으로 하는 냉각부재.
- 제1항, 제2항 또는 제4항 내지 제16항 중 어느 하나에 따른 냉각부재를 포함하고 있는 전지모듈.
- 제17항에 따른 전지모듈들 다수 개가 측면으로 배열되어 있는 것을 특징으로 하는 전지팩.
- 제18항에 따른 전지팩을 포함하는 전기자동차, 하이브리드 전기자동차, 플러그-인 하이브리드 전기자동차, 또는 전력저장 장치 중 어느 하나인 것을 특징으로 하는 디바이스.
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| WO2025110316A1 (ko) * | 2023-11-24 | 2025-05-30 | (주)대성정공 | 하이브리드 전기차 충전기의 배터리 냉각시스템 |
| US12548820B2 (en) | 2020-06-10 | 2026-02-10 | Lg Energy Solution, Ltd. | Battery module and method for manufacturing the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102348298B1 (ko) | 2016-12-06 | 2022-01-07 | 에스케이온 주식회사 | 이차 전지 모듈 |
| WO2019045365A1 (ko) * | 2017-08-29 | 2019-03-07 | 주식회사 엘지화학 | 열전달 부재를 포함하는 파우치형 이차전지 |
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| CN108270052A (zh) * | 2018-03-27 | 2018-07-10 | 华霆(合肥)动力技术有限公司 | 散热装置、供电设备及电动汽车 |
| KR102906703B1 (ko) * | 2019-02-27 | 2026-01-02 | 현대모비스 주식회사 | 단차 접촉면을 구비한 배터리 모듈 및 이의 배터리 모듈 조립체 |
| CN113131033B (zh) * | 2019-12-26 | 2025-04-29 | 奥动新能源汽车科技有限公司 | 电池包冷却系统、充电箱、换电站及储能站 |
| CN111740063B (zh) * | 2020-07-10 | 2024-05-10 | 大连理工大学 | 一种用于两相浸没式液冷的带有气泡挡板的圆柱形电池模组支架 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12548820B2 (en) | 2020-06-10 | 2026-02-10 | Lg Energy Solution, Ltd. | Battery module and method for manufacturing the same |
| WO2025110316A1 (ko) * | 2023-11-24 | 2025-05-30 | (주)대성정공 | 하이브리드 전기차 충전기의 배터리 냉각시스템 |
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