KR20220136293A - 큰 결정립 집합체의 삼원 양극재와 그 제조 방법 및 리튬 이온 배터리 - Google Patents
큰 결정립 집합체의 삼원 양극재와 그 제조 방법 및 리튬 이온 배터리 Download PDFInfo
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Abstract
Description
도 2는 실시예 1 및 비교예 1∼2에서 제조된 큰 결정립 집합체의 삼원 양극재의 입도 분포도이다.
도 3은 실시예 1에서 제조된 큰 결정립 집합체의 삼원 양극재의 주사형 전자현미경 사진이다.
도 4는 실시예 2에서 제조된 큰 결정립 집합체의 삼원 양극재의 주사형 전자현미경 사진이다.
도 5는 실시예 3에서 제조된 큰 결정립 집합체의 삼원 양극재의 주사형 전자현미경 사진이다.
도 6은 실시예 4에서 제조된 큰 결정립 집합체의 삼원 양극재의 주사형 전자현미경 사진이다.
도 7은 실시예 5에서 제조된 큰 결정립 집합체의 삼원 양극재의 주사형 전자현미경 사진이다.
도 8은 실시예 6에서 제조된 큰 결정립 집합체의 삼원 양극재의 주사형 전자현미경 사진이다.
도 9는 실시예 7에서 제조된 큰 결정립 집합체의 삼원 양극재의 주사형 전자현미경 사진이다.
도 10은 실시예 8에서 제조된 큰 결정립 집합체의 삼원 양극재의 주사형 전자현미경 사진이다.
도 11은 비교예 1에서 제조된 큰 결정립 집합체의 삼원 양극재의 주사형 전자현미경 사진이다.
도 12는 비교예 2에서 제조된 큰 결정립 집합체의 삼원 양극재의 주사형 전자현미경 사진이다.
| <0.5㎛ | 0.5∼1㎛ | 1∼2㎛ | 2∼3㎛ | 3∼4㎛ | >4㎛ | D50 | |
| 실시예 1 | 0% | 28% | 46% | 26% | 0% | 0% | 1∼2㎛ |
| 실시예 2 | 0% | 22% | 43% | 32% | 4% | 0% | 1∼2㎛ |
| 실시예 3 | 0% | 16% | 74% | 10% | 0% | 0% | 1∼2㎛ |
| 실시예 4 | 0% | 26% | 58% | 16% | 0% | 0% | 1∼2㎛ |
| 실시예 5 | 0% | 10% | 70% | 20% | 0% | 0% | 1∼2㎛ |
| 실시예 6 | 0% | 20% | 74% | 6% | 0% | 0% | 1∼2㎛ |
| 실시예 7 | 0% | 20% | 70% | 10% | 0% | 0% | 1∼2㎛ |
| 실시예 8 | 0% | 20% | 56% | 12% | 12% | 0% | 1∼2㎛ |
| 비교예 1 | 0% | 0% | 20% | 20% | 45% | 15% | 3∼4㎛ |
| 비교예 2 | 50% | 50% | 0% | 0% | 0% | 0% | <0.5㎛ |
| 생성물 | Li/(Ni+Co+Mn) | 초기 방전 용량(1C, mAh/g) | 사이클 성능(300회, %) | 저장 성능 (60℃, 7일, 두께 변화, %) |
|
| 실시예 1 | LiNi0.533Co0.199Mn0.268O2 | 1.09 | 153.2 | 97.1 | 0.6 |
| 실시예 2 | LiNi0.524Co0.203Mn0.273O2 | 1.09 | 153.2 | 97.3 | 0.9 |
| 실시예 3 | LiNi0.522Co0.203Mn0.275O2 | 1.09 | 153.6 | 97.1 | 1.2 |
| 실시예 4 | LiNi0.610Co0.195Mn0.195O2 | 1.08 | 153.9 | 97.6 | 1.5 |
| 실시예 5 | LiNi0.532Co0.202Mn0.266O2 | 1.06 | 153.4 | 97.4 | 1.1 |
| 실시예 6 | LiNi0.516Co0.254Mn0.230O2 | 1.06 | 154.6 | 97.2 | 0.8 |
| 실시예 7 | LiNi0.606Co0.195Mn0.199O2 | 1.06 | 153.3 | 97.5 | 0.7 |
| 실시예 8 | LiNi0.607Co0.195Mn0.198O2 | 1.09 | 153.7 | 97.7 | 1.2 |
| 비교예 1 | LiNi0.607Co0.195Mn0.198O2 | 1.09 | 143.7 | 97.0 | 1.0 |
| 비교예 2 | LiNi0.607Co0.195Mn0.198O2 | 1.09 | 154.1 | 93.1 | 3.1 |
Claims (8)
- 큰 결정립 집합체의 삼원 양극재의 제조 방법에 있어서,
니켈염, 코발트염 및 망간염을 혼합 용액으로 조제하는 단계;
상기 혼합 용액에 침전제 및 배합제를 첨가하여, 상기 혼합 용액의 pH를 10.5∼12로 조절하고, 침전하여 전구체 A를 얻는 단계;
상기 전구체 A 및 리튬염을 볼 밀링 및 혼합하여 전구체 B를 얻는 단계;
공기 및 산소 분위기에서 상기 전구체 B를 소결하는 단계를 포함하되, 상기 소결은 5∼15℃/min의 속도로 400∼800℃까지 승온하고, 일정한 온도에서 1∼6h 동안 소결한 다음, 1∼10℃/min의 속도로 900∼980℃까지 승온하고, 일정한 온도에서 8∼10h 동안 소결하고; 냉각하여 상기 큰 결정립 집합체의 삼원 양극재를 얻는 것을 포함하는 것을 특징으로 하는 큰 결정립 집합체의 삼원 양극재의 제조 방법.
- 제1항에 있어서,
상기 리튬염 중 리튬의 몰수는 M이고, 상기 니켈염 중 니켈의 몰수, 상기 코발트염 중 코발트의 몰수 및 상기 망간염 중 망간의 몰수의 합은 N이며, M:N은 1.05∼1.2인 것을 특징으로 하는 큰 결정립 집합체의 삼원 양극재의 제조 방법.
- 제1항에 있어서,
상기 전구체 A의 평균 입경 D50≤9㎛인 것을 특징으로 하는 큰 결정립 집합체의 삼원 양극재의 제조 방법.
- 제1항에 있어서,
상기 침전제는 수산화나트륨, 수산화칼륨, 탄산나트륨, 탄산칼륨, 탄화수소암모늄 및 수산화리튬 중 하나 이상으로부터 선택되고;
상기 배합제는 에틸렌디아민테트라아세트산, 암모니아수, 시트르산암모늄, 에틸렌디아민 및 아세트산암모늄 중 하나 이상으로부터 선택되는 것을 특징으로 하는 큰 결정립 집합체의 삼원 양극재의 제조 방법.
- 제1항에 있어서,
상기 리튬염은 탄산리튬, 수산화리튬 및 아세트산리튬 중 하나 이상으로부터 선택되고;
상기 니켈염은 황산니켈, 염화니켈, 아세트산니켈 및 질산니켈 중 하나 이상으로부터 선택되며;
상기 코발트염은 황산코발트, 염화코발트, 아세트산코발트 및 질산코발트 중 하나 이상으로부터 선택되고;
상기 망간염은 황산망간, 염화망간, 아세트산망간 및 질산망간 중 하나 이상으로부터 선택되는 것을 특징으로 하는 큰 결정립 집합체의 삼원 양극재의 제조 방법.
- 제1항에 있어서,
상기 혼합 용액은 교반 과정에서 상기 침전제 및 상기 배합제를 첨가하고, 상기 교반의 회전 속도는 100∼800rpm인 것을 특징으로 하는 큰 결정립 집합체의 삼원 양극재의 제조 방법.
- 제1항 내지 제6항 중 어느 한 항에 따른 제조 방법으로 제조된 큰 결정립 집합체의 삼원 양극재에 있어서,
상기 큰 결정립 집합체의 삼원 양극재는 리튬 니켈 코발트 망간 화합물을 포함하고, 화학식은 LiNixCoyMnzO2이며,
상기 식에서 x+y+z=1, 0.2≤x≤0.8, 0.1≤y≤0.3이고,
상기 리튬 니켈 코발트 망간 화합물의 평균 입경 D50은 1㎛≤D50≤2.5㎛를 만족시키는 것을 특징으로 하는 큰 결정립 집합체의 삼원 양극재.
- 양극편을 포함하고, 상기 양극편은 바인더 및 도전제를 포함하는 리튬 이온 배터리에 있어서,
상기 양극편은 제7항에 따른 큰 결정립 집합체의 삼원 양극재를 더 포함하는 것을 특징으로 하는 리튬 이온 배터리.
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| CN202111026877.4A CN113716625B (zh) | 2021-09-02 | 2021-09-02 | 大晶粒聚集体三元正极材料、其制备方法及锂离子电池 |
| CN202111026877.4 | 2021-09-02 |
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| CN115275186B (zh) * | 2022-08-16 | 2025-02-25 | 宁波容百新能源科技股份有限公司 | 普鲁士蓝类化合物的正极浆料及其制备方法、正极极片 |
| CN115215388A (zh) * | 2022-08-19 | 2022-10-21 | 宁波容百新能源科技股份有限公司 | 一种三元正极材料的制备方法及三元正极材料 |
| WO2025024957A1 (zh) * | 2023-07-28 | 2025-02-06 | 青美邦新能源材料有限公司 | 一种正极前驱体及其制备方法、正极材料和电池 |
| CN117397066A (zh) * | 2023-08-25 | 2024-01-12 | 广东邦普循环科技有限公司 | 一种锂钴氧化物及其制备方法和应用 |
| CN117613214A (zh) * | 2023-10-31 | 2024-02-27 | 华友新能源科技(衢州)有限公司 | 镍钴锰三元前驱体及其制备方法和应用 |
| CN119133429B (zh) * | 2024-11-07 | 2025-02-07 | 北京当升材料科技股份有限公司 | 正极材料及其制备方法、锂离子电池和用电装置 |
| CN120328634A (zh) * | 2025-06-20 | 2025-07-18 | 湖南汇帮环保科技有限公司 | 一种钴蓝颜料的制备方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007257985A (ja) * | 2006-03-23 | 2007-10-04 | Sumitomo Metal Mining Co Ltd | 非水系電解質二次電池用正極活物質およびその製造方法とそれを用いた非水系電解質二次電池 |
| JP2012252964A (ja) * | 2011-06-06 | 2012-12-20 | Sumitomo Metal Mining Co Ltd | 非水系電解質二次電池用正極活物質とその製造方法、ならびに、ニッケルコバルトマンガン複合水酸化物とその製造方法 |
| US20170317344A1 (en) * | 2014-10-30 | 2017-11-02 | Institute Of Process Engineering, Chinese Academy Of Sciences | Nickel lithium ion battery positive electrode material having concentration gradient, and preparation method therefor |
| CN107528064A (zh) * | 2017-08-10 | 2017-12-29 | 广东邦普循环科技有限公司 | 一种高电压型类单晶三元正极材料及其制备方法 |
| CN110863245A (zh) * | 2018-08-28 | 2020-03-06 | 比亚迪股份有限公司 | 三元正极材料及其制备方法、锂离子电池和电动汽车 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101568468B1 (ko) * | 2013-07-04 | 2015-11-11 | 한국생산기술연구원 | 전고체 리튬이차전지용 고체 전해질 및 그 제조방법 |
| WO2018021453A1 (ja) | 2016-07-28 | 2018-02-01 | 住友化学株式会社 | リチウムニッケル複合酸化物の製造方法 |
| KR101918719B1 (ko) | 2016-12-12 | 2018-11-14 | 주식회사 포스코 | 리튬 이차전지용 양극 활물질, 이의 제조 방법, 및 이를 포함하는 리튬 이차전지 |
| CN106784686A (zh) | 2016-12-21 | 2017-05-31 | 烟台卓能电池材料股份有限公司 | 一种掺杂型锂离子电池类单晶多元材料及其制备方法 |
| CN108946827B (zh) | 2018-07-03 | 2020-09-29 | 华友新能源科技(衢州)有限公司 | 一种超小粒径镍钴锰氢氧化物及其制备方法 |
| CN110867575A (zh) | 2018-08-28 | 2020-03-06 | 比亚迪股份有限公司 | 三元正极材料及其制备方法、锂离子电池和电动汽车 |
| CN109524662A (zh) * | 2018-11-09 | 2019-03-26 | 浙江德升新能源科技有限公司 | 一种结晶性良好的镍钴锰酸锂正极材料的制备方法 |
| CN110330060B (zh) * | 2019-07-31 | 2022-07-19 | 海南大学 | 一种放射状结构球形ncm811型三元正极材料的制备方法 |
| CN110492096A (zh) * | 2019-08-26 | 2019-11-22 | 贵州大学 | 一种高结晶亚微米级镍钴锰三元正极材料及其制备方法 |
| US12030789B2 (en) * | 2020-05-06 | 2024-07-09 | Battelle Memorial Institute | Cost effective synthesis of oxide materials for lithium ion batteries |
-
2021
- 2021-09-02 CN CN202111026877.4A patent/CN113716625B/zh active Active
-
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007257985A (ja) * | 2006-03-23 | 2007-10-04 | Sumitomo Metal Mining Co Ltd | 非水系電解質二次電池用正極活物質およびその製造方法とそれを用いた非水系電解質二次電池 |
| JP2012252964A (ja) * | 2011-06-06 | 2012-12-20 | Sumitomo Metal Mining Co Ltd | 非水系電解質二次電池用正極活物質とその製造方法、ならびに、ニッケルコバルトマンガン複合水酸化物とその製造方法 |
| US20170317344A1 (en) * | 2014-10-30 | 2017-11-02 | Institute Of Process Engineering, Chinese Academy Of Sciences | Nickel lithium ion battery positive electrode material having concentration gradient, and preparation method therefor |
| CN107528064A (zh) * | 2017-08-10 | 2017-12-29 | 广东邦普循环科技有限公司 | 一种高电压型类单晶三元正极材料及其制备方法 |
| CN110863245A (zh) * | 2018-08-28 | 2020-03-06 | 比亚迪股份有限公司 | 三元正极材料及其制备方法、锂离子电池和电动汽车 |
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| US20240274816A1 (en) | 2024-08-15 |
| CN113716625A (zh) | 2021-11-30 |
| EP4089055A3 (en) | 2023-03-08 |
| EP4089055A2 (en) | 2022-11-16 |
| CN113716625B (zh) | 2023-11-21 |
| US20230080488A1 (en) | 2023-03-16 |
| JP7464666B2 (ja) | 2024-04-09 |
| JP2023036570A (ja) | 2023-03-14 |
| KR102787334B1 (ko) | 2025-03-31 |
| US11996558B2 (en) | 2024-05-28 |
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