JP2020537316A - 二次電池用正極材及びこれを含むリチウム二次電池 - Google Patents
二次電池用正極材及びこれを含むリチウム二次電池 Download PDFInfo
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- JP2020537316A JP2020537316A JP2020520747A JP2020520747A JP2020537316A JP 2020537316 A JP2020537316 A JP 2020537316A JP 2020520747 A JP2020520747 A JP 2020520747A JP 2020520747 A JP2020520747 A JP 2020520747A JP 2020537316 A JP2020537316 A JP 2020537316A
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- positive electrode
- active material
- electrode active
- secondary battery
- transition metal
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Abstract
Description
本出願は、2017年11月21日付韓国特許出願第10−2017−0155955号に基づく優先権の利益を主張し、当該韓国特許出願の文献に開示された全ての内容は本明細書の一部として含まれる。
[化学式(1)]
LipNi1−(x1+y1+z1)Cox1Ma y1Mb z1Mc q1O2 (1)
第1正極活物質としてLiNi0.88Co0.10Mn0.02O2の粒子(D50=16μm)であり、粒子中心でのニッケル(Ni)の含量が89モル%、粒子表面でのニッケル(Ni)の含量が86モル%であり、ニッケル(Ni)の濃度が粒子の中心から表面まで漸進的に減少し、コバルト(Co)及びマンガン(Mn)の濃度が粒子の中心から表面まで漸進的に増加する濃度勾配を有するリチウム複合遷移金属酸化物を使用した。
第1正極活物質としてLiNi0.92Co0.04Mn0.04O2の粒子(D50=14μm)であり、粒子中心でのニッケル(Ni)の含量が93モル%、粒子表面でのニッケル(Ni)の含量が90モル%であり、ニッケル(Ni)の濃度が粒子の中心から表面まで漸進的に減少し、コバルト(Co)及びマンガン(Mn)の濃度が粒子の中心から表面まで漸進的に増加する濃度勾配を有するリチウム複合遷移金属酸化物を使用し、第2正極活物質としてLiNi0.92Co0.04Mn0.04O2の粒子(D50=4μm)であり、濃度勾配を有さずに、粒子表面にリチウムホウ素酸化物を含むコーティング層を形成したリチウム複合遷移金属酸化物を使用したことを除き、実施例1と同様に行って正極を製造した。
第1正極活物質としてLiNi0.87Co0.08Mn0.03Al0.02O2の粒子(D50=16μm)であり、粒子中心でのニッケル(Ni)の含量が88モル%、粒子表面でのニッケル(Ni)の含量が86モル%であり、ニッケル(Ni)の濃度が粒子の中心から表面まで漸進的に減少し、コバルト(Co)及びマンガン(Mn)の濃度が粒子の中心から表面まで漸進的に増加する濃度勾配を有するリチウム複合遷移金属酸化物を使用し、第2正極活物質としてLiNi0.88Co0.09Mn0.03O2の粒子(D50=5μm)であり、濃度勾配を有さずに、粒子表面にリチウムホウ素酸化物を含むコーティング層を形成したリチウム複合遷移金属酸化物を使用したことを除き、実施例1と同様に行って正極を製造した。
第1正極活物質としてLiNi0.70Co0.10Mn0.20O2の粒子(D50=16μm)であり、粒子中心でのニッケル(Ni)の含量が72モル%、粒子表面でのニッケル(Ni)の含量が69モル%であり、ニッケル(Ni)の濃度が粒子の中心から表面まで漸進的に減少し、コバルト(Co)及びマンガン(Mn)の濃度が粒子の中心から表面まで漸進的に増加する濃度勾配を有するリチウム複合遷移金属酸化物を使用し、第2正極活物質としてLiNi0.70Co0.10Mn0.20O2の粒子(D50=5μm)であり、濃度勾配を有さずに、粒子表面にリチウムホウ素酸化物を含むコーティング層を形成したリチウム複合遷移金属酸化物を使用したことを除き、実施例1と同様に行って正極を製造した。
正極活物質としてLiNi0.88Co0.10Mn0.02O2の粒子(D50=12μm)であり、粒子中心でのニッケル(Ni)の含量が89モル%、粒子表面でのニッケル(Ni)の含量が87モル%であり、ニッケル(Ni)の濃度が粒子の中心から表面まで漸進的に減少し、コバルト(Co)及びマンガン(Mn)の濃度が粒子の中心から表面まで漸進的に増加する濃度勾配を有するリチウム複合遷移金属酸化物をモノモーダル(monomodal)で使用したことを除き、実施例1と同様に行って正極を製造した。
第1正極活物質としてLiNi0.83Co0.11Mn0.06O2の粒子(D50=16μm)であり、濃度勾配を有しないリチウム複合遷移金属酸化物を使用し、第2正極活物質としてLiNi0.83Co0.11Mn0.06O2の粒子(D50=5μm)であり、濃度勾配を有しないリチウム複合遷移金属酸化物を使用したことを除き、実施例1と同様に行って正極を製造した。
実施例1から4及び比較例1から2で製造された正極の圧延密度及び大粒子の割れ程度を評価しており、その結果を表1に示した。
実施例1から実施例4及び比較例1から2によって製造された正極を用いてリチウム二次電池ハーフセル(Half cell)を製造した。
実験例2でのように実施例1から実施例4及び比較例1から2によって製造されたそれぞれの正極を使用して製造された各リチウム二次電池ハーフセル(half cell)に対して、45℃で0.33Cの電流値で充放電を進めるサイクリングを30回進行したときの容量維持率を測定し、高温寿命特性の評価を進めた。その結果を表3及び図2に示した。
Claims (15)
- 第1正極活物質及び第2正極活物質を含み、
前記第1正極活物質及び前記第2正極活物質は、ニッケル(Ni)、コバルト(Co)及びマンガン(Mn)からなる群から選択された少なくとも2種以上の遷移金属を含むリチウム複合遷移金属酸化物であり、
前記第1正極活物質の平均粒径(D50)は、前記第2正極活物質の平均粒径(D50)の2倍以上であり、
前記第1正極活物質のリチウム複合遷移金属酸化物に含有されたニッケル(Ni)、コバルト(Co)及びマンガン(Mn)のうち少なくとも一つが、リチウム複合遷移金属酸化物の粒子の中心と表面での濃度差が1.5モル%以上である濃度勾配を有する二次電池用正極材。 - 前記第1正極活物質は、リチウム複合遷移金属酸化物に含有されたニッケル(Ni)、コバルト(Co)及びマンガン(Mn)のうち少なくとも一つが、リチウム複合遷移金属酸化物の粒子の中心から表面まで漸進的に変化する濃度勾配を有する、請求項1に記載の二次電池用正極材。
- 前記第1正極活物質は、ニッケル(Ni)がリチウム複合遷移金属酸化物の粒子の中心から表面まで漸進的に減少する濃度勾配を有する、請求項1又は2に記載の二次電池用正極材。
- 前記第1正極活物質は、マンガン(Mn)及びコバルト(Co)のうち少なくとも一つがリチウム複合遷移金属酸化物の粒子の中心から表面まで漸進的に増加する濃度勾配を有する、請求項1から3のいずれか一項に記載の二次電池用正極材。
- 前記第1正極活物質及び前記第2正極活物質のリチウム複合遷移金属酸化物に含有された全金属元素のうちニッケル(Ni)の含量が60モル%以上である、請求項1から4のいずれか一項に記載の二次電池用正極材。
- 前記第1正極活物質及び前記第2正極活物質は、ニッケル(Ni)、コバルト(Co)、マンガン(Mn)及びアルミニウム(Al)を含むリチウム複合遷移金属酸化物である、請求項1から5のいずれか一項に記載に記載の二次電池用正極材。
- 前記第1正極活物質及び前記第2正極活物質は下記化学式(1)で表され、
[化学式(1)]
LipNi1−(x1+y1+z1)Cox1Ma y1Mb z1Mc q1O2 (1)
前記化学式(1)において、MaはMn及びAlからなる群から選択された少なくとも1種以上の元素であり、MbはBa、Ca、Zr、Ti、Mg、Ta、Nb及びMoからなる群から選択された少なくとも1種以上の元素であり、McはAl、Zr、Ti、Mg、Ta、Nb、Mo及びCrからなる群から選択される少なくとも1種以上の元素であり、0.9≦p≦1.5、0<x1≦0.4、0<y1≦0.4、0≦z1≦0.1、0≦q1≦0.1であり、0<x1+y1+z1≦0.4である、請求項1に記載の二次電池用正極材。 - 前記第1正極活物質及び前記第2正極活物質は、互いに同一または異なる組成のリチウム複合遷移金属酸化物である、請求項1に記載の二次電池用正極材。
- 前記第1正極活物質の平均粒径(D50)対前記第2正極活物質の平均粒径(D50)の比は5:1から2:1である、請求項1に記載の二次電池用正極材。
- 前記第1正極活物質の平均粒径(D50)は10から30μmである、請求項1に記載の二次電池用正極材。
- 前記第2正極活物質の平均粒径(D50)は1から10μmである、請求項1に記載の二次電池用正極材。
- 前記第1正極活物質と前記第2正極活物質は9:1から1:9の重量比で混合された、請求項1に記載の二次電池用正極材。
- 前記第2正極活物質は、粒子表面の少なくとも一部にコーティング層をさらに含み、
前記コーティング層は、ホウ素(B)及びマンガン(Mn)からなる群から選択された少なくとも1種以上を含むリチウム酸化物を含む、請求項1に記載の二次電池用正極材。 - 請求項1から13のいずれか一項に記載の二次電池用正極材を含む二次電池用正極。
- 請求項14に記載の二次電池用正極を含むリチウム二次電池。
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KR102339704B1 (ko) * | 2020-06-18 | 2021-12-15 | 주식회사 에코프로비엠 | 양극 활물질 및 이를 포함하는 리튬 이차전지 |
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KR102397756B1 (ko) * | 2020-09-02 | 2022-05-13 | 주식회사 에코프로비엠 | 양극 활물질 및 이를 포함하는 리튬 이차전지 |
KR102473536B1 (ko) * | 2020-10-30 | 2022-12-02 | 삼성에스디아이 주식회사 | 니켈계 리튬 금속 복합 산화물, 그 제조방법, 이를 포함한 양극 및 리튬이차전지 |
CN114804224B (zh) * | 2021-01-29 | 2024-08-09 | 微宏动力系统(湖州)有限公司 | 正极材料前驱体的制备方法、正极材料前驱体、正极材料及电池 |
CN116830290A (zh) * | 2021-02-26 | 2023-09-29 | 株式会社Lg新能源 | 正极和包含其的锂二次电池 |
CN113420471B (zh) * | 2021-06-01 | 2022-02-18 | 上海交通大学 | 基于电化学机理的动力锂电池热模型构建建立方法及系统 |
KR20230026161A (ko) * | 2021-08-17 | 2023-02-24 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 양극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 |
CN113823797B (zh) * | 2021-09-22 | 2023-02-28 | 蜂巢能源科技有限公司 | 一种二元无钴材料活性层、极片、其制备方法和用途 |
CN114122314A (zh) * | 2021-11-05 | 2022-03-01 | 惠州锂威新能源科技有限公司 | 一种二次电池 |
CN114530585A (zh) * | 2022-02-21 | 2022-05-24 | 远景动力技术(江苏)有限公司 | 正极、电化学装置和电子设备 |
CN115196683B (zh) * | 2022-07-19 | 2023-10-20 | 欣旺达动力科技股份有限公司 | 一种正极材料、二次电池及用电设备 |
CN116868376B (zh) * | 2023-04-18 | 2024-08-09 | 宁德时代新能源科技股份有限公司 | 正极活性材料组合物、正极极片、电池及用电装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150340686A1 (en) * | 2012-12-26 | 2015-11-26 | Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University) | Cathode active material for lithium secondary battery |
US20160156030A1 (en) * | 2013-05-31 | 2016-06-02 | Iucf-Hyu(Industry-University Cooperation Foundation Hanyang University) | Cathode active material for lithium battery and method of manufacturing the same |
KR20170118091A (ko) * | 2015-01-23 | 2017-10-24 | 유미코아 | 고전압 리튬 이온 배터리용 리튬 니켈-망간-코발트 산화물 캐소드 분말 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3793054B2 (ja) * | 2001-07-27 | 2006-07-05 | 日立マクセル株式会社 | 非水電解質二次電池 |
JP4578790B2 (ja) * | 2003-09-16 | 2010-11-10 | Agcセイミケミカル株式会社 | リチウム−ニッケル−コバルト−マンガン−アルミニウム含有複合酸化物の製造方法 |
CN101548417B (zh) * | 2007-06-21 | 2011-07-06 | Agc清美化学股份有限公司 | 含锂复合氧化物粉末及其制造方法 |
KR100974352B1 (ko) * | 2008-01-28 | 2010-08-05 | 주식회사 에너세라믹 | 리튬 이차 전지용 복합 양극 활물질, 이의 제조 방법, 및이를 포함하는 리튬 이차 전지 |
CN102569774B (zh) | 2010-12-29 | 2015-05-13 | 比亚迪股份有限公司 | 一种正极活性材料及其制备方法、一种正极材料和锂离子电池 |
KR20130138073A (ko) | 2012-06-08 | 2013-12-18 | 한양대학교 산학협력단 | 리튬 이차 전지용 양극활물질 전구체, 이를 이용하여 제조된 양극활물질 및 이를 포함하는 리튬 이차 전지 |
KR101718057B1 (ko) | 2012-08-02 | 2017-03-20 | 삼성에스디아이 주식회사 | 양극 활물질 및 이를 채용한 양극과 리튬전지 |
WO2014133370A1 (ko) | 2013-02-28 | 2014-09-04 | 한양대학교 산학협력단 | 리튬이차전지용 양극활물질 |
CN104051720B (zh) * | 2013-03-15 | 2017-12-08 | 神华集团有限责任公司 | 一种材料及其制备以及含有该材料的锂离子正极活性物质、正极材料、电池正极和电池 |
EP3065207B1 (en) * | 2013-10-29 | 2017-08-30 | LG Chem, Ltd. | Manufacturing method of cathode active material, and cathode active material for lithium secondary battery manufactured thereby |
KR102012427B1 (ko) | 2015-11-30 | 2019-08-21 | 주식회사 엘지화학 | 이차전지용 양극활물질, 이를 포함하는 이차전지용 양극 및 이차전지 |
CN105958062A (zh) | 2016-06-12 | 2016-09-21 | 湖南杉杉新能源有限公司 | 锂离子电池用多晶高镍正极材料及其制备方法 |
DE202017007568U1 (de) * | 2016-11-18 | 2022-11-18 | Sk Innovation Co., Ltd. | Lithium-Sekundärbatterie |
CN106410170B (zh) * | 2016-12-08 | 2018-11-09 | 深圳市鑫永丰科技有限公司 | 复合锂离子电池正极材料及其制备方法与锂离子电池 |
CN110178253B (zh) * | 2016-12-22 | 2022-05-10 | 株式会社Posco | 正极活性物质及其制备方法以及包括该物质的锂二次电池 |
-
2018
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150340686A1 (en) * | 2012-12-26 | 2015-11-26 | Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University) | Cathode active material for lithium secondary battery |
US20160156030A1 (en) * | 2013-05-31 | 2016-06-02 | Iucf-Hyu(Industry-University Cooperation Foundation Hanyang University) | Cathode active material for lithium battery and method of manufacturing the same |
KR20170118091A (ko) * | 2015-01-23 | 2017-10-24 | 유미코아 | 고전압 리튬 이온 배터리용 리튬 니켈-망간-코발트 산화물 캐소드 분말 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2023064746A (ja) * | 2021-10-26 | 2023-05-11 | エコプロ ビーエム カンパニー リミテッド | 正極活物質及びこれを含むリチウム二次電池 |
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EP3686970A4 (en) | 2020-11-25 |
KR20190058360A (ko) | 2019-05-29 |
PL3686970T3 (pl) | 2024-06-24 |
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JP7049551B2 (ja) | 2022-04-07 |
EP3686970A1 (en) | 2020-07-29 |
CN111226330A (zh) | 2020-06-02 |
WO2019103460A1 (ko) | 2019-05-31 |
US11699788B2 (en) | 2023-07-11 |
EP3686970B1 (en) | 2024-04-03 |
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