KR20200086276A - 음극 재료 - Google Patents
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- KR20200086276A KR20200086276A KR1020207012935A KR20207012935A KR20200086276A KR 20200086276 A KR20200086276 A KR 20200086276A KR 1020207012935 A KR1020207012935 A KR 1020207012935A KR 20207012935 A KR20207012935 A KR 20207012935A KR 20200086276 A KR20200086276 A KR 20200086276A
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Abstract
Description
도 1은 각각 상이한 pH를 가지는 4개의 수용액으로부터 본 발명의 공정에 따라 준비된 Li1.2Mn0.6Ni0.2O2 음극 재료의 분말 XRD 패턴을 나타낸다;
도 2는 0.1 C의 속도(rate)로 2.0 V 및 4.8 V의 사이로 충전된(20 mA/g 전류 밀도), 각각 상이한 pH를 가지는 4개의 수용액으로부터 본 발명의 공정에 따라 준비된 Li1.2Mn0.6Ni0.2O2 음극 재료의 제1 충전/방전 전압 프로파일(profiles)을 나타낸다;
도 3은 10 사이클 동안 전압 범위 2.0 V 내지 4.8 V에서 20 mA/g, 50 mA/g 및 100 mA/g로 방전된, 각각 상이한 pH를 가지는 4개의 수용액으로부터 본 발명의 공정에 따라 준비된 Li1.2Mn0.6Ni0.2O2 음극 재료의 속도 성능(rate performances) 그래프 및 50 사이클 동안 50 mA/g에서 추가 사이클링 성능을 나타낸다; 그리고
도 4는 50 mA/g에서 방전된, 상이한 pH를 가지는 4개의 수용액으로부터 본 발명의 공정에 따라 준비된 Li1.2Mn0.6Ni0.2O2 음극 재료에 대해 50 사이클에 걸친 사이클링 효율의 그래프를 나타낸다.
Claims (14)
- 리튬-망간-풍부 층상 산화물 음극 재료(lithium-manganese-rich layered oxide cathode material) 또는 리튬-망간-풍부 층상 산화물 음극 재료 전구체(lithium-manganese-rich layered oxide cathode material precursor)를 제조하기 위한 공정으로서,
리튬- 망간-풍부 층상 산화물 음극 재료 전구체로서 MnCO3 및 리튬 화합물을 포함하는 침전물을 제공하도록, 적어도 용해된 Mn 염(Mn salt)과 반응하여 탄산염(carbonate)을 형성하는 침전제(precipitator)의 존재 하에, 9를 초과하는 pH를 가지는 수용액으로부터, Mn(CH3COO)2, Mn(NO3)2, MnSO4, 및 이들의 혼합물로 이루어지는 그룹으로부터 선택되는 용해된 Li 화합물 및 용해된 Mn 염을 공침하는(co-precipitating) 것을 포함하는 공정.
- 제1항에 있어서,
리튬-망간-풍부 층상 산화물 음극 재료를 제조하기 위한 공정은,
하소된 재료(calcined material)를 제공하도록, 임의의 탄산염 재료를 산화물 재료로 전환시키기기 위하여 침전물을 하소하는(calcining) 것; 및
리튬-망간-풍부 층상 산화물 음극 재료를 제공하도록 상기 하소된 재료를 어닐링하는(annealing) 것을 포함하는 공정.
- 제1항 또는 제2항에 있어서,
적어도 용해된 상기 Mn 염과 반응하여 탄산염을 형성하는 침전제는 요소(urea), (NH4)2CO3, NH4HCO3, 및 이들의 혼합물로 이루어지는 그룹으로부터 선택되는 공정.
- 제1항 내지 제3항 중 어느 한 항에 있어서,
상기 수용액은 또한 금속 M(metal M)의 적어도 하나의 추가로 용해된 염(at least one further dissolved salt)을 포함하는데, 상기 염은 초산염(acetate), 질산염(nitrate), 황산염(sulfate), 및 이들의 혼합물로 이루어지는 그룹으로부터 선택되며, 및/또는 상기 금속 M은 Ni, Co, Fe, Al, Mg, Ti, 및 이들의 둘 이상으로 이루어지는 그룹으로부터 선택되는 공정.
- 제1항 내지 제4항 중 어느 한 항에 있어서,
상기 용해된 Li 화합물은 용해된 Li 염(Li salt)인데, 상기 Li 염은 Li(CH3COO), LiNO3, LiCl, 및 이들의 혼합물로 이루어지는 그룹으로부터 선택되고, 적어도 상기 Mn 염과 반응하여 탄산염을 형성하는 침전제의 존재는, Li2CO3 및 MnCO3의 형성 및 공침(co-precipitation), 그리고 수용액에 존재할 수 있는 Li 또는 Mn 이외의 금속 M의 탄산염을 야기하는 공정.
- 제1항 내지 제4항 중 어느 한 항에 있어서,
상기 용해된 Li 화합물은 LiOH인 공정.
- 제1항 내지 제6항 중 어느 한 항에 있어서,
상기 용해된 Li 화합물 및 상기 용해된 Mn 염의 공침 동안, 상기 수용액은 9.5와 10.5 사이의 pH를 가지는 공정.
- 제6항에 있어서,
적어도 상기 Mn 염과 반응시켜 탄산염을 형성하는, 상기 LiOH 및 상기 침전제를, 제1 용액을 형성하도록 물에서 함께 용해시키는 것, 그리고 용해된 상기 Mn 염을 가지고, Ni, Co, Fe, Al, Mg, Ti, 및 이들의 둘 이상으로 이루어지는 그룹으로부터 선택되는 금속 M의 초산염, 질산염, 황산염 및 이들의 혼합물로 이루어지는 그룹으로부터 선택되는 적어도 하나의 추가로 용해된 염을 가지는 제2 용액을, 제1 용액에 첨가하여 상기 수용액을 형성하고 공침을 수행하는 것을 포함하는 공정.
- 제1항 내지 제8항 중 어느 한 항에 있어서,
상기 리튬-망간-풍부 층상 산화물 음극 재료는 Li1.2Mn0.6Ni0.2O2인 공정.
- 제1항 내지 제9항 중 어느 한 항의 공정에 의해 제조되는 리튬-망간-풍부 층상 산화물 음극 재료 또는 리튬-망간-풍부 층상 산화물 음극 재료 전구체.
- 전지 하우징; 및
상기 전지 하우징 내의 음극, 양극 및 전해질
을 포함하고,
상기 음극은 상기 양극으로부터 전기적으로 절연되지만 상기 전해질에 의해 그것에 전자적으로 연결되며, 상기 음극은 제1항 내지 제9항 중 어느 한 항에 따른 공정에 의해 제조되는 리튬-망간-풍부 층상 산화물 음극 재료(lithium-manganese-rich layered oxide cathode material)를 포함하는 전기 화학 전지.
- 제1항 내지 제9항 중 어느 한 항의 공정에 의해 제조되는 리튬-망간-풍부 층상 산화물 음극 재료(lithium-manganese-rich layered oxide cathode material)를 포함하는 음극을 가지고, 전지 하우징 내에, 전해질, 양극, 세퍼레이터(separatpr) 및 음극을 로딩하는(loading) 것을 포함하는 전기 화학 전지의 제조 방법.
- 상기 리튬-망간-풍부 층상 산화물 음극 재료를 가지는 상기 전기 화학 전지가 음극 재료의 20 mA/g의 전류 밀도에서, 음극 재료의 적어도 200 mA h g-1, 또는 음극 재료의 적어도 240 mA h g-1, 또는 음극 재료의 적어도 260 mA h g-1의 초기 방전 용량을 가지는, 제11항의 전기 화학 전지.
- 상기 전기 화학 전지는 30 사이클 후, 음극 재료의 20 mA/g의 전류 밀도에서, 95% 초과, 또는 96% 초과, 또는 97% 초과의 용량 보유를 보이는, 제11항의 전기 화학 전지.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA2017/06772 | 2017-10-09 | ||
| ZA201706772 | 2017-10-09 | ||
| PCT/IB2018/057496 WO2019073328A1 (en) | 2017-10-09 | 2018-09-27 | CATHODE MATERIAL |
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| KR20200086276A true KR20200086276A (ko) | 2020-07-16 |
| KR102671188B1 KR102671188B1 (ko) | 2024-06-03 |
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| KR (1) | KR102671188B1 (ko) |
| CN (1) | CN111448690B (ko) |
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| KR102915798B1 (ko) * | 2020-12-02 | 2026-01-21 | 에스케이이노베이션 주식회사 | 폐 리튬이차전지 양극재로부터 리튬전구체의 회수방법 |
| CN116190635B (zh) * | 2023-04-28 | 2023-08-01 | 宜宾锂宝新材料有限公司 | 高循环稳定性富锂锰基正极材料及制备方法和锂电池 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1464574A (zh) * | 2002-06-27 | 2003-12-31 | 中国科学院成都有机化学研究所 | 一种锂离子蓄电池正极材料LixNi1-yMyO2及其合成方法 |
| KR20110039657A (ko) * | 2009-10-12 | 2011-04-20 | 주식회사 젬백스앤카엘 | 리튬이차전지용 양극 활물질 제조 방법 |
| CN104617289A (zh) * | 2015-01-15 | 2015-05-13 | 湘潭大学 | 一种锂离子电池用中空球形富锂正极材料的制备方法 |
| US20170104212A1 (en) * | 2015-10-12 | 2017-04-13 | Wildcat Discovery Technologies, Inc. | Compositions for High Energy Electrodes and Methods of Making and Use |
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| JPH06163046A (ja) * | 1992-11-16 | 1994-06-10 | Japan Storage Battery Co Ltd | 非水電解液電池用正極活物質の製造法 |
| JPH11307094A (ja) * | 1998-04-20 | 1999-11-05 | Chuo Denki Kogyo Co Ltd | リチウム二次電池用正極活物質とリチウム二次電池 |
| JP3495676B2 (ja) | 2000-02-16 | 2004-02-09 | 株式会社ジャパンエナジー | 微細粒炭酸マンガン及びその製造方法 |
| JP2000331680A (ja) * | 1999-05-24 | 2000-11-30 | Kyocera Corp | リチウム二次電池およびその製造方法 |
| NZ520452A (en) * | 2002-10-31 | 2005-03-24 | Lg Chemical Ltd | Anion containing mixed hydroxide and lithium transition metal oxide with gradient of metal composition |
| JP4916094B2 (ja) * | 2004-03-30 | 2012-04-11 | Jx日鉱日石金属株式会社 | リチウムイオン二次電池正極材料用前駆体とその製造方法並びにそれを用いた正極材料の製造方法 |
| JP5021892B2 (ja) * | 2004-06-17 | 2012-09-12 | Jx日鉱日石金属株式会社 | リチウムイオン二次電池正極材料用前駆体とその製造方法並びにそれを用いた正極材料の製造方法 |
| JPWO2007083457A1 (ja) * | 2006-01-20 | 2009-06-11 | 日鉱金属株式会社 | リチウムニッケルマンガンコバルト複合酸化物及びリチウム二次電池 |
| US8492030B2 (en) | 2006-06-19 | 2013-07-23 | Uchicago Argonne Llc | Cathode material for lithium batteries |
| CN101355159B (zh) | 2008-09-17 | 2010-06-16 | 金瑞新材料科技股份有限公司 | 一种锂离子电池正极材料镍钴锰酸锂的制备方法 |
| KR101250587B1 (ko) | 2010-04-20 | 2013-04-03 | 연세대학교 산학협력단 | 전이금속 산화물/탄소나노튜브 복합체 제조 방법 및 그 복합체 |
| WO2012151297A1 (en) | 2011-05-02 | 2012-11-08 | Washington University | Spray pyrolysis synthesis of mesoporous positive electrode materials for high energy lithium-ion batteries |
| CN102664255B (zh) | 2012-05-28 | 2015-09-23 | 奇瑞汽车股份有限公司 | 锂镍锰氧材料及其制备方法、含该材料的锂离子电池 |
| CN103682309B (zh) * | 2013-12-02 | 2016-09-21 | 厦门钨业股份有限公司 | 锂离子电池正极活性材料的制备方法 |
| JP6190411B2 (ja) * | 2014-04-15 | 2017-08-30 | ワイルドキャット・ディスカバリー・テクノロジーズ・インコーポレイテッドWildcat Discovery Technologies, Inc. | 金属抽出によって作製した材料 |
| CN104157835B (zh) | 2014-07-11 | 2017-02-22 | 华南理工大学 | 一种高容量锂离子电池三元正极材料及其制备方法 |
| CN104167533B (zh) | 2014-07-21 | 2016-05-18 | 郑州轻工业学院 | 一种富锂/3d石墨烯复合正极材料 |
| CN104157831B (zh) * | 2014-08-19 | 2016-08-24 | 哈尔滨工业大学 | 一种核壳结构的尖晶石镍锰酸锂、层状富锂锰基复合正极材料及其制备方法 |
| CN107108260B (zh) * | 2014-10-31 | 2019-08-23 | 科学与工业研究理事会 | 尖晶石材料的制备 |
| WO2017058650A1 (en) | 2015-09-30 | 2017-04-06 | Hongli Dai | Cathode-active materials, their precursors, and methods of preparation |
| CN106169566A (zh) | 2016-08-09 | 2016-11-30 | 长沙理工大学 | 一种层状富锂正极材料的制备方法 |
| CN106252650B (zh) | 2016-10-31 | 2018-11-13 | 安徽工业大学 | 一种层状富锂锰基正极材料的制备方法 |
| CN106328908A (zh) | 2016-11-16 | 2017-01-11 | 吉林化工学院 | 一种锂离子电池富锂正极材料及其制备方法 |
| CN110088950A (zh) * | 2016-12-19 | 2019-08-02 | 皓智环球有限公司 | 制备二次电池的阴极材料的方法 |
-
2018
- 2018-09-27 WO PCT/IB2018/057496 patent/WO2019073328A1/en not_active Ceased
- 2018-09-27 BR BR112020007115-3A patent/BR112020007115A2/pt not_active IP Right Cessation
- 2018-09-27 US US16/754,670 patent/US11621416B2/en active Active
- 2018-09-27 KR KR1020207012935A patent/KR102671188B1/ko active Active
- 2018-09-27 CN CN201880077211.1A patent/CN111448690B/zh active Active
- 2018-09-27 JP JP2020540857A patent/JP7582864B2/ja active Active
-
2020
- 2020-05-04 ZA ZA2020/02414A patent/ZA202002414B/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1464574A (zh) * | 2002-06-27 | 2003-12-31 | 中国科学院成都有机化学研究所 | 一种锂离子蓄电池正极材料LixNi1-yMyO2及其合成方法 |
| KR20110039657A (ko) * | 2009-10-12 | 2011-04-20 | 주식회사 젬백스앤카엘 | 리튬이차전지용 양극 활물질 제조 방법 |
| CN104617289A (zh) * | 2015-01-15 | 2015-05-13 | 湘潭大学 | 一种锂离子电池用中空球形富锂正极材料的制备方法 |
| US20170104212A1 (en) * | 2015-10-12 | 2017-04-13 | Wildcat Discovery Technologies, Inc. | Compositions for High Energy Electrodes and Methods of Making and Use |
Also Published As
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| US20200259175A1 (en) | 2020-08-13 |
| CN111448690A (zh) | 2020-07-24 |
| ZA202002414B (en) | 2021-05-26 |
| JP2021509530A (ja) | 2021-03-25 |
| CN111448690B (zh) | 2024-01-05 |
| BR112020007115A2 (pt) | 2020-09-24 |
| WO2019073328A1 (en) | 2019-04-18 |
| KR102671188B1 (ko) | 2024-06-03 |
| JP7582864B2 (ja) | 2024-11-13 |
| US11621416B2 (en) | 2023-04-04 |
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