KR102156826B1 - 나트륨 이차전지 모듈 - Google Patents
나트륨 이차전지 모듈 Download PDFInfo
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Abstract
Description
도 2는 도 1의 나트륨 이차전지 모듈을 이루는 유닛 스택와 유닛 셀을 개략적으로 나타내는 확대도.
도 3은 도 1의 나트륨 이차전지 모듈을 개략적으로 도시하는 평면도.
도 4a 및 도 4b는 세퍼레이터를 개략적으로 도시하는 측면도 및 사시도.
도 5는 세퍼레이터의 변형예를 개략적으로 도시하는 측면도.
도 6a 및 도 6b는 유닛 스택이 배선부로 연결된 상태를 개략적으로 나타내는 개념도.
도 7a 및 도 7b는 배선부의 배선과 커넥터를 개략적으로 나타내는 사시도.
도 8 및 도 9는 각각 본 발명의 예시적 실시예에 따른 나트륨 이차전지 모듈을 개략적으로 도시하는 평면도.
10... 나트륨 이차전지 모듈
20... 유닛 스택
30... 세퍼레이터
40... 케이스
50... 배선부
60... 라인 히터
61... 봉 히터
70... 스태킹 가이드
Claims (14)
- 평판 형태의 고체전해질 및 상기 고체전해질의 양면에 각각 배치되는 평판 형태의 양극부품과 음극부품을 상부캡과 하부캡으로 밀봉한 유닛 셀이 복수개 적층되어 이루어지는 유닛 스택;
복수개의 상기 유닛 스택이 열과 행으로 배열된 상태에서 각 유닛 스택 사이에 개재되어 상기 유닛 스택간의 공간을 분리하는 세퍼레이터; 및
복수개의 상기 유닛 스택과 상기 세퍼레이터를 수용하는 케이스;
를 포함하고,
상기 케이스는 내부 공간을 가지며 복수개의 상기 유닛 스택과 상기 세퍼레이터를 내부에 수용하는 하부 케이스와, 상기 하부 케이스를 덮어 복수의 상기 유닛 스택 각각에 면압을 가하는 상부 케이스와, 상기 하부 케이스와 상부 케이스를 관통하는 구조로 체결되어 상기 유닛 스택의 면압을 유지 및 조절하는 면압조절부를 포함하는 것을 특징으로 하는 나트륨 이차전지 모듈.
- 제1항에 있어서,
상기 세퍼레이터는 복수의 통기 구멍과 복수의 통기 슬릿을 구비하고,
상기 복수의 통기 구멍과 복수의 통기 슬릿은 상기 분리된 유닛 스택간의 공간을 부분적으로 연결시키는 것을 특징으로 하는 나트륨 이차전지 모듈.
- 제2항에 있어서,
상기 세퍼레이터는 격자형상의 배치구조를 갖도록 복수개가 직교하여 배열되며, 각 세퍼레이터가 상호 직교하는 위치에 상기 통기 슬릿이 상호 교차하여 중첩되는 것을 특징으로 하는 나트륨 이차전지 모듈.
- 제1항에 있어서,
상기 세퍼레이터는 단열재로 이루어지는 것을 특징으로 하는 나트륨 이차전지 모듈.
- 제1항에 있어서,
상기 세퍼레이터는 상기 유닛 스택과 마주하는 표면에 라인 히터(line heater)를 구비하는 것을 특징으로 하는 나트륨 이차전지 모듈.
- 삭제
- 제1항에 있어서,
상기 상부 케이스는 복수의 상기 유닛 스택 각각에 가해지는 면압의 균일화를 위해 상기 유닛 스택과 마주하는 면에 밸런싱판을 구비하는 것을 특징으로 하는 나트륨 이차전지 모듈.
- 제1항에 있어서,
상기 케이스는 상기 하부 케이스의 일면에 형성된 관통홀에 장착되어 상기 하부 케이스 내부에 강제대류를 일으키는 송풍팬을 더 포함하는 것을 특징으로 하는 나트륨 이차전지 모듈.
- 제1항에 있어서,
상기 면압조절부는 상기 상부 케이스의 상부에서 상기 상부 케이스에 형성된 체결홀과 상기 하부 케이스의 돌출부에 형성된 체결홀에 삽입되는 체결볼트와, 상기 하부 케이스의 하부에서 상기 체결볼트에 나사결합되는 체결너트와, 상기 체결볼트와 상기 상부 케이스 사이에 개재되는 탄성체를 포함하는 것을 특징으로 하는 나트륨 이차전지 모듈.
- 제1항에 있어서,
상기 케이스와 상기 세퍼레이터에 구비되어 복수의 상기 유닛 스택을 전기적으로 연결시키는 배선부를 더 포함하는 것을 특징으로 하는 나트륨 이차전지 모듈.
- 제10항에 있어서,
상기 배선부는 상기 케이스와 상기 세퍼레이터에 접합되거나 코팅되어 제공되는 것을 특징으로 하는 나트륨 이차전지 모듈.
- 평판 형태의 고체전해질 및 상기 고체전해질의 양면에 각각 배치되는 평판 형태의 양극부품과 음극부품을 상부캡과 하부캡으로 밀봉한 유닛 셀이 복수개 적층되어 이루어지는 유닛 스택;
복수개의 상기 유닛 스택이 이격되어 열과 행으로 배열된 상태에서 상기 유닛 스택 사이의 공간에 개재되어 상기 유닛 스택을 지지하는 스태킹 가이드; 및
상기 유닛 스택과 상기 스태킹 가이드를 수용하는 케이스;
를 포함하고,
상기 케이스는 내부 공간을 가지며 복수개의 상기 유닛 스택과 상기 스태킹 가이드를 내부에 수용하는 하부 케이스와, 상기 하부 케이스를 덮어 복수의 상기 유닛 스택 각각에 면압을 가하는 상부 케이스와, 상기 하부 케이스와 상부 케이를 관통하는 구조로 체결되어 상기 유닛 스택의 면압을 유지 및 조절하는 면압조절부를 포함하는 것을 특징으로 하는 나트륨 이차전지 모듈.
- 제12항에 있어서,
상기 스태킹 가이드는 상기 케이스의 하부에서 상부를 향해 연장되는 기둥 형태의 구조를 가지며,
상기 케이스의 내측벽에 제공되는 복수의 제1 가이드와 상기 내측벽에서 상기 케이스의 안쪽 내부에 제공되는 복수의 제2 가이드를 포함하는 것을 특징으로 하는 나트륨 이차전지 모듈.
- 제13항에 있어서,
상기 복수의 제2 가이드는 내부에 봉 히터를 구비하는 것을 특징으로 하는 나트륨 이차전지 모듈.
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| CN115133193B (zh) | 2021-03-26 | 2024-07-12 | 米沃奇电动工具公司 | 电池单元分隔器 |
| CN113346172B (zh) * | 2021-06-01 | 2023-11-21 | 国网浙江省电力有限公司台州供电公司 | 基于弹性元件弹出式固定的氟离子电池固定外壳及其固定方法 |
| KR20230001350A (ko) * | 2021-06-28 | 2023-01-04 | 현대자동차주식회사 | 코인 셀을 포함하는 배터리 모듈 및 그 제조 방법 |
| CN116802891A (zh) * | 2021-11-26 | 2023-09-22 | 宁德时代新能源科技股份有限公司 | 电芯加热组件、电池模组及车辆 |
| CN114843679B (zh) * | 2022-04-07 | 2023-04-07 | 东莞市朗泰通科技股份有限公司 | 一种耐高温钠离子圆柱型电池 |
| KR20240039326A (ko) * | 2022-09-19 | 2024-03-26 | 주식회사 엘지에너지솔루션 | 구조 붕괴가 방지되는 가변 결합부를 구비한 배터리 팩 |
| DE102022130280A1 (de) * | 2022-11-16 | 2024-05-16 | Schaeffler Technologies AG & Co. KG | Anordnung zur Kühlung eines Batteriezellstapels für ein Fahrzeug und Anordnung zum Verspannen eines Batteriezellstapels für ein Fahrzeug sowie Batteriezellstapel mit einer solchen Anordnung |
| KR20250008321A (ko) * | 2023-07-07 | 2025-01-14 | 주식회사 엘지에너지솔루션 | 체결기구 및 체결기구를 포함하는 전지팩 |
| KR20250008345A (ko) * | 2023-07-07 | 2025-01-14 | 주식회사 엘지에너지솔루션 | 체결기구 및 체결기구를 포함하는 전지팩 |
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| JP7194818B2 (ja) | 2022-12-22 |
| KR20200035806A (ko) | 2020-04-06 |
| JP2022500833A (ja) | 2022-01-04 |
| US20220029223A1 (en) | 2022-01-27 |
| US11901538B2 (en) | 2024-02-13 |
| CN112753123A (zh) | 2021-05-04 |
| DE112018008036T5 (de) | 2021-06-02 |
| WO2020067606A1 (ko) | 2020-04-02 |
| CN112753123B (zh) | 2023-04-18 |
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