KR20200048130A - 칼슘이온 이차전지 - Google Patents
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- KR20200048130A KR20200048130A KR1020180129861A KR20180129861A KR20200048130A KR 20200048130 A KR20200048130 A KR 20200048130A KR 1020180129861 A KR1020180129861 A KR 1020180129861A KR 20180129861 A KR20180129861 A KR 20180129861A KR 20200048130 A KR20200048130 A KR 20200048130A
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Abstract
Description
도 2는 본 발명의 실시예 1 및 비교예 1의 XRD패턴을 나타낸 것이고,
도 3은 본 발명의 실시예 1 및 비교예 1의 ELS패턴을 나타낸 것이고,
도 4는 본 발명의 실시예 1의 SEM사진을 나타낸 것이고,
도 5는 본 발명의 실시예 1 및 비교예 1을 100mA/g 및 -0.3V 내지 1V의 사이클링 조건에서, 3-전극 시스템의 은 전극과 비교한 방전용량(mAhg- 1)을 나타낸 것이고,
도 6은 본 발명의 실시예 1 및 비교예 2을 100mA/g 및 -0.3V 내지 2V의 사이클링 조건에서, 풀 셀(full cell)의 충방전용량(mAhg-1)을 나타낸 것이고,
도 7은 본 발명의 실시예 1(b) 및 비교예 3(a)의 시간에 따른 충방전 가능성을 나타낸 것이다.
Claims (7)
- 소듐도데실벤젠설포네이트(sodiumdodecylbenzenesulfonate, SDBS)를 함유한 (NH4)0.5V2O5을 함유하는 캐소드(cathode);
아민기가 치환된 금속유기구조체(metal organic framework, MOF-NH2)을 함유하는 애노드(anode); 및
상기 캐소드(cathode)와 애노드(anode) 사이에 과염소산칼슘수화물(Ca(ClO4)2·xH2O)과 아세토나이트릴의 혼합 전해질(electrolyte)을 포함하고,
상기 캐소드는 그라파이트 또는 스테인레스스틸에 소듐도데실벤젠설포네이트(sodiumdodecylbenzenesulfonate, SDBS) 계면활성제를 사용하여 제조된 (NH4)0.5V2O5가 코팅된 전지로,
상기 전지는 풀 셀(full cell) 조건에서 하기 화학식 1과 같은 충방전 반응을 수행하는 것을 특징으로 하는 칼슘이온 이차전지:
[화학식 1]
- 청구항 1에 있어서, 상기 칼슘이온 이차전지의 캐소드(cathode)는 초기 방전 비용량(specific capacity)이 120 내지 150 mAhg-1이고 충방전 50 사이클 수행 후 방전 비용량이 120 내지 160 mAhg-1인 것을 특징으로 하는 칼슘이온 이차전지.
- 청구항 1에 있어서, 상기 캐소드(cathode)는 산화바나듐, 암모니아 용액, 옥살산 및 소듐도데실벤젠설포네이트(SDBS)를 수열 합성하여 제조된 입자이며,
상기 입자는 300 내지 400 nm 입경이 85 내지 95 %의 분포를 유지하는 것을 특징으로 하는 칼슘이온 이차전지.
- 청구항 1에 있어서, 상기 애노드(anode)는 망간, 니켈, 철, 바나듐, 주석, 및 구리로 이루진 군에서 선택된 전이 금속이 함유된 금속유기구조체인 것을 특징으로 하는 칼슘이온 이차전지.
- 청구항 4에 있어서, 상기 애노드는 망간 금속이 함유된 금속유기구조체인 것을 특징으로 하는 칼슘이온 이차전지.
- 청구항 1에 있어서, 상기 칼슘이온 이차전지는 유리 섬유 분리막을 포함하는 것을 특징으로 하는 칼슘이온 이차전지.
- 청구항 1에 있어서, 상기 전해질은 아세토나이트릴에 과염소산칼슘수화물(Ca(ClO4)2·xH2O)이 0.5 내지 4M 농도로 함유된 것을 특징으로 하는 칼슘이온 이차전지.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180129861A KR102156976B1 (ko) | 2018-10-29 | 2018-10-29 | 칼슘이온 이차전지 |
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| KR1020180129861A KR102156976B1 (ko) | 2018-10-29 | 2018-10-29 | 칼슘이온 이차전지 |
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| Publication Number | Publication Date |
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| KR20200048130A true KR20200048130A (ko) | 2020-05-08 |
| KR102156976B1 KR102156976B1 (ko) | 2020-09-16 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140044835A (ko) * | 2011-06-02 | 2014-04-15 | 교리쯔 가가꾸 산교 가부시키가이샤 | 전지 전극 또는 세퍼레이터용 코팅제 조성물 |
| JP2017534140A (ja) * | 2014-10-02 | 2017-11-16 | トヨタ モーター ヨーロッパ | カルシウム系二次電池、及びこれを含むバッテリ |
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2018
- 2018-10-29 KR KR1020180129861A patent/KR102156976B1/ko active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140044835A (ko) * | 2011-06-02 | 2014-04-15 | 교리쯔 가가꾸 산교 가부시키가이샤 | 전지 전극 또는 세퍼레이터용 코팅제 조성물 |
| JP2017534140A (ja) * | 2014-10-02 | 2017-11-16 | トヨタ モーター ヨーロッパ | カルシウム系二次電池、及びこれを含むバッテリ |
Non-Patent Citations (4)
| Title |
|---|
| Chemical Enigineering Journal 209 (2012) 245-254 (2012.08.19.) * |
| J Mater Sci, 2018, 53:2045-2053 |
| Journal of Power Sources 119-121 (2003) 617-620 (2003.06.01.) * |
| Journal of Power Sources, Vol 196, Issue 13, 2011, p.5645-5650) |
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| Publication number | Publication date |
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| KR102156976B1 (ko) | 2020-09-16 |
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