KR20170096132A - 전기화학 셀 및 이를 제조하는 방법 - Google Patents
전기화학 셀 및 이를 제조하는 방법 Download PDFInfo
- Publication number
- KR20170096132A KR20170096132A KR1020177018660A KR20177018660A KR20170096132A KR 20170096132 A KR20170096132 A KR 20170096132A KR 1020177018660 A KR1020177018660 A KR 1020177018660A KR 20177018660 A KR20177018660 A KR 20177018660A KR 20170096132 A KR20170096132 A KR 20170096132A
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- South Korea
- Prior art keywords
- rechargeable electrochemical
- storage device
- electrochemical cell
- ions
- electrode
- Prior art date
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- 230000008569 process Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- BSWGGJHLVUUXTL-UHFFFAOYSA-N silver zinc Chemical compound [Zn].[Ag] BSWGGJHLVUUXTL-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
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- 229910052566 spinel group Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- ZUHZGEOKBKGPSW-UHFFFAOYSA-N tetraglyme Chemical compound COCCOCCOCCOCCOC ZUHZGEOKBKGPSW-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- YFNKIDBQEZZDLK-UHFFFAOYSA-N triglyme Chemical compound COCCOCCOCCOC YFNKIDBQEZZDLK-UHFFFAOYSA-N 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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Abstract
Description
[0097] 도 1a는 Mg 금속 애노드 상에서의 반복된 스트리핑 및 도금 후에 마그네슘 셀로부터 부분적으로 방전된(즉, 부분적으로 스트리핑된) 마그네슘 금속 애노드의 SEM(scanning electron microscopy) 현미경사진을 도시한다.
[0098] 도 1b는 Mg 금속 애노드 상에서의 반복된 스트리핑 및 도금 후에 마그네슘 셀로부터 Mg 금속 애노드를 촬영한 이미지이다.
[0099] 도 2a는 Pt 상에서의 Mg의 반복된 스트리핑 및 도금 후에 마그네슘 셀에서 Pt 상에 Mg를 전기도금함으로써 형성된 마그네슘 금속 애노드의 SEM(scanning electron microscopy) 현미경사진을 도시한다.
[00100] 도 2b는 Pt 금속 기판 상에서의 Mg의 반복된 스트리핑 및 도금 후에 마그네슘 셀의 Pt 작용 전극 상에 전기도금된 Mg 금속의 이미지이다.
[00101] 도 3은 N/P 비율 < 0.9를 갖고 그리고 에틸렌 디카보네이트 및 디메틸 카보네이트계 전해질에 리튬 헥사프로오로포스페이트를 포함하고, Li 금속을 사이클링하는 셀의 통상적인 전압 프로파일을 도시한다.
[00102] 도 4는 방전 상태의 망간 코발트 산화물계 캐소드에서 N/P 비율 < 0.1을 갖는 셀의 통상적인 전압 프로파일을 도시한다.
[00103] 도 5는 충전 상태에서 N/P 비율 < 0.9를 갖는 고용량 전이 금속 산화물 셀의 통상적인 전압 프로파일을 도시한다.
[00104] 도 6은 N/P 비율 < 0.9를 갖는 1.7 Ah 다층 프리즘 셀로부터의 용량 페이드 플롯(capacity fade plot)을 도시한다.
[00105] 도 7은 다양한 레이트 컨디션들 하에서 N/P 비율 < 0.9를 포함하는 리튬 니켈 망간 코발트 산화물 캐소드 셀들에 대한 용량 페이드 플롯이다.
[00106] 도 8은 방전-깊이 컨디션(Depth-of-Discharge condition)들의 함수로써 N/P 비율 < 0.9를 포함하는 셀들에 대한 용량 페이드 플롯을 도시한다.
[00107] 도 9는 사이클의 함수로써 N/P 비율 < 0.9를 포함하는 셀들에 대한 용량 페이드 플롯을 도시한다.
Claims (39)
- 재충전가능 전기화학 셀로서,
비-수성 유체 전해질(non-aqueous fluid electrolyte);
상기 비-수성 유체 전해질과 직접 물리적 접촉하는 네거티브 전극;
상기 비-수성 유체 전해질과 직접 물리적 접촉하는 포지티브 전극;
상기 네거티브 전극과 상기 포지티브 전극을 분리시키도록 구성된 전자 절연 분리기(electronically insulating separator)를 포함하고,
상기 네거티브 전극 및 상기 포지티브 전극은, 상기 네거티브 전극의 용량이 상기 포지티브 전극의 용량보다 엄격히 더 작도록 구성되는,
재충전가능 전기화학 셀. - 제 1 항에 있어서,
상기 네거티브 전극과 상기 포지티브 전극 사이의 가역 용량의 비율은, Q(네거티브 전극)/Q(포지티브 전극) < 0.9가 되게 하는,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
상기 재충전가능 전기화학 셀은 4.0 V와 동일하거나 또는 그 초과로 충전되도록 구성되는,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
상기 재충전가능 전기화학 셀은 -2.5 V까지 방전되도록 구성되는,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
상기 재충전가능 전기화학 셀은 정격 용량의 10 C-rate 이하에서 충전 및 방전되도록 구성되는,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
상기 재충전가능 전기화학 셀은 -20℃ 내지 200℃의 범위의 온도들에서 방전 및 충전되도록 구성되는,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
상기 재충전가능 전기화학 셀은 99.35% 초과의 쿨롱 효율로 충전 및 방전되도록 구성되는,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
상기 재충전가능 전기화학 셀은 30회 초과의 충전 및 방전 사이클들 동안 초기 용량의 적어도 80%를 제공하도록 구성되는,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
상기 네거티브 전극은 1000 mAh/cc 초과를 제공하도록 구성되는,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
상기 비-수성 유체 전해질은 Mg 이온, Al 이온, Ca 이온, Sr 이온, Ba 이온, Li 이온, Na 이온, K 이온, Rb 이온, Cs 이온, 및 오늄(onium)으로 이루어진 그룹으로부터 선택된 적어도 하나의 활성 양이온을 포함하는,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
상기 비-수성 유체 전해질은 대칭 또는 비대칭 알루미늄계 또는 붕소계 음이온을 포함하는,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
상기 비-수성 유체 전해질은 0.5 M 내지 포화 농도의 범위의 농도의 염 또는 염들의 조합을 포함하는,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
상기 네거티브 전극 또는 포지티브 전극 중 적어도 하나는 금속, 합금, 또는 금속간 화합물을 포함하는,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
상기 네거티브 전극 또는 포지티브 전극 중 적어도 하나는 삽입 반응(insertion reaction), 합금화(alloying), 인터칼레이션(intercalation), 불균화(disproportionation), 전환 반응(conversion reaction), 또는 이들의 조합을 겪도록 구성된 재료를 포함하는,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
상기 포지티브 및 네거티브 전극들의 계면에 수직인 압력은 0.06 MPa보다 더 큰,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
게이트 전극 전기 단자를 갖는 적어도 하나의 게이트 전극을 더 포함하고,
상기 게이트 전극은 상기 비-수성 유체 전해질과 연통하고 그리고 상기 포지티브 전극 및 상기 네거티브 전극 중 적어도 하나에서 산화환원-활성인 적어도 하나의 이동 종에 대해 투과성이고, 상기 게이트 전극은 상기 포지티브 전극과 상기 네거티브 전극 사이에 놓이는,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
상기 재충전가능 전기화학 셀은, 충전 동안 네거티브 전극 전류 컬렉터 상에 도금되도록 구성된 금속을 포함하는,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
상기 금속은 Mg, Li, 및 Na로 이루어진 그룹으로부터 선택되는,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
상기 네거티브 전극의 용량을 상기 포지티브 전극의 용량으로 나눈 것으로서 정의되는 비율은 0 내지 0.10, 0 내지 0.20, 0 내지 0.30, 0 내지 0.40, 0 내지 0.50, 0 내지 0.60, 0 내지 0.70, 0 내지 0.80, 및 0 내지 0.90의 범위들로부터 선택된 범위에 있는,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
상기 네거티브 전극의 용량을 상기 포지티브 전극의 용량으로 나눈 것으로서 정의되는 비율은 0.05 내지 0.10, 0.05 내지 0.20, 0.05 내지 0.30, 0.05 내지 0.40, 0.05 내지 0.50, 0.05 내지 0.60, 0.05 내지 0.70, 0.05 내지 0.80, 및 0.05 내지 0.90의 범위들로부터 선택된 범위에 있는,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
상기 네거티브 전극은 리튬 티타네이트가 아닌,
재충전가능 전기화학 셀. - 제 2 항에 있어서,
상기 유체 전해질은 용융 염이 아닌,
재충전가능 전기화학 셀. - 재충전가능 전기화학 저장 디바이스로서,
금속 형태의 전기-활성 종을 포함하는 애노드 전극을 포함하고,
상기 재충전가능 전기화학 저장 디바이스는 상기 애노드 전극에서 금속을 전기도금하도록 구성되고, 상기 애노드 전극은 방전된 상태에서 N/P < 4의 전기-활성 재료를 포함하는,
재충전가능 전기화학 저장 디바이스. - 제 23 항에 있어서,
상기 재충전가능 전기화학 저장 디바이스는 4.0 V와 동일하거나 또는 그 초과로 충전되도록 구성되는,
재충전가능 전기화학 저장 디바이스. - 제 23 항에 있어서,
상기 재충전가능 전기화학 저장 디바이스는 -2.5 V까지 방전되도록 구성되는,
재충전가능 전기화학 저장 디바이스. - 제 23 항에 있어서,
상기 재충전가능 전기화학 저장 디바이스는 정격 용량의 10 C-rate 이하에서 충전 및 방전되도록 구성되는,
재충전가능 전기화학 저장 디바이스. - 제 23 항에 있어서,
상기 재충전가능 전기화학 저장 디바이스는 -20℃ 내지 200℃의 범위의 온도들에서 방전 및 충전되도록 구성되는,
재충전가능 전기화학 저장 디바이스. - 제 23 항에 있어서,
상기 재충전가능 전기화학 저장 디바이스는 99.35% 초과의 쿨롱 효율로 충전 및 방전되도록 구성되는,
재충전가능 전기화학 저장 디바이스. - 제 23 항에 있어서,
상기 재충전가능 전기화학 저장 디바이스는 30회 초과의 충전 및 방전 사이클들 동안 초기 용량의 적어도 80%를 제공하도록 구성되는,
재충전가능 전기화학 저장 디바이스. - 제 23 항에 있어서,
상기 네거티브 전극은 1000 mAh/cc 초과를 제공하도록 구성되는,
재충전가능 전기화학 저장 디바이스. - 제 23 항에 있어서,
상기 비-수성 유체 전해질은 Mg 이온, Al 이온, Ca 이온, Sr 이온, Ba 이온, Li 이온, Na 이온, K 이온, Rb 이온, Cs 이온, 및 오늄으로 이루어진 그룹으로부터 선택된 적어도 하나의 활성 양이온을 포함하는,
재충전가능 전기화학 저장 디바이스. - 제 23 항에 있어서,
상기 비-수성 유체 전해질은 대칭 또는 비대칭 알루미늄계 또는 붕소계 음이온을 포함하는,
재충전가능 전기화학 저장 디바이스. - 제 23 항에 있어서,
상기 비-수성 유체 전해질은 0.5 M 내지 포화 농도의 범위의 농도의 염 또는 염들의 조합을 포함하는,
재충전가능 전기화학 저장 디바이스. - 제 23 항에 있어서,
상기 포지티브 및 네거티브 전극들의 계면에 수직인 압력은 0.06 MPa보다 더 큰,
재충전가능 전기화학 저장 디바이스. - 제 23 항에 있어서,
게이트 전극 전기 단자를 갖는 적어도 하나의 게이트 전극을 더 포함하고,
상기 게이트 전극은 상기 비-수성 유체 전해질과 연통하고 그리고 상기 포지티브 전극 및 상기 네거티브 전극 중 적어도 하나에서 산화환원-활성인 적어도 하나의 이동 종에 대해 투과성이고, 상기 게이트 전극은 상기 포지티브 전극과 상기 네거티브 전극 사이에 놓이는,
재충전가능 전기화학 저장 디바이스. - 제 23 항에 있어서,
상기 재충전가능 전기화학 저장 디바이스는, 충전 동안 상기 네거티브 전극 상에 도금되도록 구성된 금속을 포함하는,
재충전가능 전기화학 저장 디바이스. - 제 23 항에 있어서,
상기 금속은 Mg, Li, 및 Na로 이루어진 그룹으로부터 선택되는,
재충전가능 전기화학 저장 디바이스. - 제 23 항에 있어서,
상기 네거티브 전극의 용량을 상기 포지티브 전극의 용량으로 나눈 것으로서 정의되는 비율은 0 내지 0.40, 0 내지 0.80, 0 내지 1.2, 0 내지 1.6, 0 내지 2.0, 0 내지 2.4, 0 내지 2.8, 0 내지 3.2, 및 0 내지 4의 범위들로부터 선택된 범위에 있는,
재충전가능 전기화학 저장 디바이스. - 제 23 항에 있어서,
상기 네거티브 전극의 용량을 상기 포지티브 전극의 용량으로 나눈 것으로서 정의되는 비율은 0.20 내지 0.40, 0.20 내지 0.80, 0.20 내지 1.2, 0.20 내지 1.6, 0.20 내지 2.0, 0.20 내지 2.4, 0.20 내지 2.8, 0.20 내지 3.2, 및 0.20 내지 4의 범위들로부터 선택된 범위에 있는,
재충전가능 전기화학 저장 디바이스.
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- 2015-12-11 JP JP2017531586A patent/JP2018501615A/ja active Pending
- 2015-12-11 KR KR1020177018660A patent/KR102588454B1/ko active Active
- 2015-12-11 US US14/966,392 patent/US20160172661A1/en not_active Abandoned
- 2015-12-11 CN CN201580073385.7A patent/CN107112481B/zh active Active
- 2015-12-11 CA CA2970716A patent/CA2970716A1/en not_active Abandoned
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2017
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Also Published As
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|---|---|
| MX2017007666A (es) | 2017-10-27 |
| US9887415B2 (en) | 2018-02-06 |
| US10727473B2 (en) | 2020-07-28 |
| US20180102532A1 (en) | 2018-04-12 |
| US20160172661A1 (en) | 2016-06-16 |
| EP3231024A1 (en) | 2017-10-18 |
| CN107112481A (zh) | 2017-08-29 |
| JP2018501615A (ja) | 2018-01-18 |
| KR102588454B1 (ko) | 2023-10-11 |
| US20160172660A1 (en) | 2016-06-16 |
| US20180102531A1 (en) | 2018-04-12 |
| WO2016094750A1 (en) | 2016-06-16 |
| EP3231024A4 (en) | 2018-08-08 |
| CN107112481B (zh) | 2022-02-18 |
| CA2970716A1 (en) | 2016-06-16 |
| AU2015360385A1 (en) | 2017-07-06 |
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