KR102603776B1 - 전고체 전지 - Google Patents
전고체 전지 Download PDFInfo
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- KR102603776B1 KR102603776B1 KR1020210007231A KR20210007231A KR102603776B1 KR 102603776 B1 KR102603776 B1 KR 102603776B1 KR 1020210007231 A KR1020210007231 A KR 1020210007231A KR 20210007231 A KR20210007231 A KR 20210007231A KR 102603776 B1 KR102603776 B1 KR 102603776B1
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- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
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Abstract
[해결 수단] 본 개시에 있어서는, 직렬 접속된 복수의 셀 유닛을 구비하는 전고체 전지로서, 셀 유닛 A 및 셀 유닛 B를 구비하고, 상기 셀 유닛 A에 있어서의 제 2 집전체 AY와, 상기 셀 유닛 B에 있어서의 제 2 집전체 BX가, 제 1 절연부를 개재하여, 대향하도록 배치되고, 탭 AX, 탭 AY 및 탭 B가, 고정 부재에 의해 고정되어 있는, 전고체 전지를 제공함으로써, 상기 과제를 해결한다.
Description
도 2는 본 개시에 있어서의 전고체 전지를 예시하는 개략 단면도이다.
도 3은 도 2에 나타내는 전고체 전지를 화살표 P로부터 본 개략 평면도이다.
도 4는 본 개시에 있어서의 고정 부재를 예시하는 개략 사시도이다.
도 5는 본 개시에 있어서의 고정 부재를 설명하는 개략 단면도이다.
도 6은 본 개시에 있어서의 고정 부재를 예시하는 개략 단면도이다.
도 7은 본 개시에 있어서의 고정 부재를 예시하는 개략 단면도이다.
도 8은 본 개시에 있어서의 전고체 전지를 예시하는 개략 단면도이다.
도 9는 본 개시에 있어서의 전고체 전지를 예시하는 개략 단면도이다.
도 10은 본 개시에 있어서의 전고체 전지를 예시하는 개략 단면도이다.
도 11은 본 개시에 있어서의 전고체 전지를 예시하는 개략 단면도이다.
도 12는 본 개시에 있어서의 탭 및 고정 부재를 예시하는 개략 단면도이다
2…제 1 활물질층
3…고체 전해질층
4… 제 2 활물질층
5… 제 2 집전체
10…셀 유닛
20…제 1 절연부
30…고정 부재
31…제 1 누름부
32…제 2 누름부
33…연결부
40…제 1 집전 단자
50…제 2 집전 단자
60…제 2 절연부
70…제 3 절연부
80…제 4 절연부
90…제 5 절연부
100…전고체 전지
Claims (7)
- 두께 방향을 따라 배치되고, 또한, 직렬 접속된 복수의 셀 유닛을 구비하는 전고체 전지로서,
상기 전고체 전지는, 상기 셀 유닛으로서, 셀 유닛 A 및 셀 유닛 B를 구비하고,
상기 셀 유닛 A는,
제 1 집전체 1A와,
상기 제 1 집전체 1A의 제 1 면측으로부터 차례로 배치된, 제 1 활물질층 2AX, 고체 전해질층 3AX, 제 2 활물질층 4AX 및 제 2 집전체 5AX와,
상기 제 1 집전체 1A의 상기 제 1 면과는 반대인 제 2 면측으로부터 차례로 배치된, 제 1 활물질층 2AY, 고체 전해질층 3AY, 제 2 활물질층 4AY 및 제 2 집전체 5AY를 가지고,
상기 셀 유닛 B는,
제 1 집전체 1B와,
상기 제 1 집전체 1B의 제 1 면측으로부터 차례로 배치된, 제 1 활물질층 2BX, 고체 전해질층 3BX, 제 2 활물질층 4BX 및 제 2 집전체 5BX와,
상기 제 1 집전체 1B의 상기 제 1 면과는 반대인 제 2 면측으로부터 차례로 배치된, 제 1 활물질층 2BY, 고체 전해질층 3BY, 제 2 활물질층 4BY 및 제 2 집전체 5BY를 가지고,
상기 셀 유닛 A에 있어서의 상기 제 2 집전체 5AY와, 상기 셀 유닛 B에 있어서의 상기 제 2 집전체 5BX가, 제 1 절연부(20)를 개재하여, 대향하도록 배치되며,
상기 제 2 집전체 5AX는, 평면에서 보았을 때, 상기 제 2 활물질층 4AX와 중복되지 않는 위치에 탭 5TAX를 가지고,
상기 제 2 집전체 5AY는, 평면에서 보았을 때, 상기 제 2 활물질층 4AY와 중복되지 않는 위치에 탭 5TAY를 가지며,
상기 제 1 집전체 1B는, 평면에서 보았을 때, 상기 제 1 활물질층 2BX 및 상기 제 1 활물질층 2BY와 중복되지 않는 위치에 탭 1TB를 가지고,
상기 탭 5TAX, 상기 탭 5TAY 및 상기 탭 1TB는, 고정 부재(30)에 의해 고정되어 있으며,
상기 고정 부재(30)는, 제 1 누름부(31)와, 제 2 누름부(32)와, 상기 제 1 누름부(31) 및 상기 제 2 누름부(32)를 연결하는 연결부(33)를 가지고,
상기 탭 5TAX, 상기 탭 5TAY 및 상기 탭 1TB는, 상기 고정 부재(30)에 있어서의 상기 제 1 누름부(31) 및 상기 제 2 누름부(32)의 사이에 끼워져 고정되어 있는, 전고체 전지. - 제 1 항에 있어서,
상기 고정 부재(30)가, 탄성을 가지는, 전고체 전지. - 제 1 항 또는 제 2 항에 있어서,
상기 제 1 활물질층 2AX의 상기 탭 5TAX측의 단면, 및, 상기 제 1 활물질층 2AY의 상기 탭 5TAY측의 단면 중 적어도 일방에, 제 2 절연부(60)가 배치되어 있는, 전고체 전지. - 제 1 항 또는 제 2 항에 있어서,
상기 고정 부재(30)가, 상기 제 1 누름부(31)의 외면측, 및, 상기 제 2 누름부(32)의 외면측 중 적어도 일방에, 절연성을 가지는 완충부(35)를 구비하는, 전고체 전지. - 제 1 항 또는 제 2 항에 있어서,
상기 고정 부재(30)가, 상기 제 1 누름부의 내면측(31), 및, 상기 제 2 누름부(32)의 내면측 중 적어도 일방에, 탄성을 가지는 충전부(36)를 구비하는, 전고체 전지. - 제 1 항 또는 제 2 항에 있어서,
상기 탭 5TAX와 상기 탭 5TAY와의 사이, 및, 상기 탭 5TAY와 상기 탭 1TB와의 사이 중 적어도 일방에, 도전성 접착부(11a, 11b)가 배치되어 있는, 전고체 전지. - 제 1 항 또는 제 2 항에 있어서,
상기 탭 5TAX와 상기 탭 5TAY와의 사이, 및, 상기 탭 5TAY와 상기 탭 1TB와의 사이 중 적어도 일방에, 도금부(12a, 12b)가 배치되어 있는, 전고체 전지.
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