JP6116800B2 - 正極活物質、これを採用した正極及びリチウム電池、並びにその製造方法 - Google Patents
正極活物質、これを採用した正極及びリチウム電池、並びにその製造方法 Download PDFInfo
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Description
前記化学式1で、0.9≦x≦1.4、0≦y≦1であり、前記Mが、Al、Co、Ni、Cr、Fe、Zn、Mg及びLiからなる群から選択された一つ以上の金属である。
前記化学式2で、0.9≦x≦1.4、0≦y≦1である。
[実施例1:Li1.05Mn1.85Al0.1O4の製造]
出発物質として、炭酸リチウム(Li2CO3)、二酸化マンガン(MnO2)、アルミナ(Al2O3)及びホウ酸(H3BO3)を選定した。
ホウ酸の含有量を0.3重量%に変更したことを除いては、実施例1と同じ方法で正極活物質一次粒子を製造した。得られた正極活物質一次粒子の粒径は、1μmであった。
ホウ酸の含有量を0.7重量%に変更したことを除いては、実施例1と同じ方法で正極活物質一次粒子を製造した。得られた正極活物質一次粒子の粒径は、8μmであった。
ホウ酸の含有量を1.0重量%に変更したことを除いては、実施例1と同じ方法で正極活物質一次粒子を製造した。得られた正極活物質一次粒子の粒径は、9μmであった。
熱処理温度を700℃に変更したことを除いては、実施例1と同じ方法で正極活物質一次粒子を製造した。得られた正極活物質一次粒子の粒径は、3μmであった。
熱処理温度を900℃に変更したことを除いては、実施例1と同じ方法で正極活物質一次粒子を製造した。得られた正極活物質一次粒子の粒径は、7μmであった。
ホウ酸を添加しないことを除いては、実施例1と同じ方法で正極活物質一次粒子を製造した。得られた正極活物質一次粒子の粒径は、0.2μmであった。比較例1で製造された正極活物質一次粒子のSEM写真を図2Bに示した。
ホウ酸の代わりにAlF3を添加したことを除いては、実施例1と同じ方法で正極活物質一次粒子を製造した。得られた正極活物質一次粒子の粒径は、0.2μmであった。
窒素通気の下で、3.5モルの水酸化ナトリウムに、0.5モルの硫酸マンガンを添加し、全量を1Lとし、得られた水酸化マンガンを90℃で1時間熟成させた。熟成後、空気を通気させて90℃で酸化させ、水洗い、乾燥後に、酸化マンガン粒子粉末を得た。
[実施例7]
実施例1で合成された正極活物質粉末と、炭素導電材料(ケッチェンブラック、EC−600JD)とを、93:3の重量比で均一に混合した後、ポリフッ化ビニリデン(PVDF)バインダ溶液を添加し、活物質:炭素導電材料:バインダ=93:3:4の重量比になるようにスラリを製造した。
実施例2ないし6で合成された正極活物質粉末をそれぞれ使用したことを除いては、実施例7と同じ方法で、リチウム電池を製造した。
比較例1で合成された正極活物質粉末を使用したことを除いては、実施例7と同じ方法で、リチウム電池を製造した。
比較例2及び3で合成された正極活物質粉末をそれぞれ使用したことを除いては、比較例4と同じ方法で、リチウム電池を製造した。
実施例1及び比較例1で製造された正極活物質粉末に対して、XRD実験を行った。実験条件は、CuK−アルファ(α)特性X線波長1.541Åであった。
実施例1ないし4及び比較例1及び2の正極活物質粉末に対して、BET比表面積を測定し、その結果を下記表1に示した。
実施例1ないし4,6及び比較例1,2の正極活物質粉末に対して、レーザ粒度分布測定装置を使用し、体積基準の二次粒子の平均粒径(D50)を測定し、その結果を下記表2に示した。前記二次粒子(挙動粒子)は、複数の一次粒子が結合して形成された粒子を意味する。
実施例1ないし4及び比較例1で製造された正極活物質粉末に含まれたホウ素元素の含有量をICP(ion coupled plasma)で測定し、その結果を下記表3に示した。
前記実施例7ないし12及び比較例4ないし6で製造された前記コインセルに対して、25℃で、リチウム金属対比で3ないし4.3Vの電圧範囲で、0.1C rateの定電流で2回充放電させた(化成段階)。
容量維持率[%]=[100回目サイクルでの放電容量/最初のサイクルでの放電容量]×100
前記実施例7ないし12及び比較例4ないし6で製造された前記コインセルに対して、25℃で、リチウム金属対比で3ないし4.3Vの電圧範囲で、0.1C rateの定電流で2回充放電させた(化成段階)。
容量回復率[%]=[3回目の放電時の放電容量/最初の放電時の放電容量(標準容量)]×100
2 負極
3 陽極
4 セパレータ
5 電池ケース
6 キャップ・アセンブリ
Claims (10)
- 一次粒子の直径が6ないし10μmであり、X線回折ピーク強度のI(111)/I(311)が1.0以上であるスピネル構造を有するリチウムマンガン酸化物と、
前記一次粒子の内部及び表面に配されたホウ素元素と、を含む正極活物質。 - 前記X線回折ピーク強度のI(111)/I(311)が、1.5ないし3.0であることを特徴とする請求項1に記載の正極活物質。
- 前記リチウムマンガン酸化物のCuK−アルファ(α)特性X線波長1.541Åに係るブラッグ2θ角の36.2±0.2°で示されるピークの半値幅(FWHM)が、0.6以下であることを特徴とする請求項1に記載の正極活物質。
- 前記リチウムマンガン酸化物の比表面積が、0.2ないし1.3m2/gであることを特徴とする請求項1に記載の正極活物質。
- 前記リチウムマンガン酸化物の二次粒子の平均粒径(D50)が、10ないし20μmであることを特徴とする請求項1に記載の正極活物質。
- 前記ホウ素元素の含有量が、前記正極活物質総重量の1ないし2,000ppmであることを特徴とする請求項1に記載の正極活物質。
- 前記リチウムマンガン酸化物が、下記化学式1で表示され、前記化学式1で、0.9≦x≦1.4、0≦y≦1であり、前記Mが、Al、Co、Ni、Cr、Fe、Zn、Mg及びLiからなる群から選択された一つ以上の金属であることを特徴とする、請求項1に記載の正極活物質。
LixMn2−yMyO4(化学式1) - 前記リチウムマンガン酸化物が、下記化学式2で表示され、前記化学式2で、0.9≦x≦1.4、0≦y≦1であることを特徴とする、請求項1に記載の正極活物質。
LixMn2−yAlyO4(化学式2) - 請求項1ないし請求項8のうち、いずれか1項に記載の正極活物質を含む正極。
- 請求項9に記載の正極を採用したリチウム電池。
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| Application Number | Priority Date | Filing Date | Title |
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| KR10-2011-0003151 | 2011-01-12 | ||
| KR1020110003151A KR101264333B1 (ko) | 2011-01-12 | 2011-01-12 | 양극활물질, 이를 채용한 양극과 리튬전지 및 그 제조방법 |
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| JP2012146662A JP2012146662A (ja) | 2012-08-02 |
| JP6116800B2 true JP6116800B2 (ja) | 2017-04-19 |
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| US (1) | US9077023B2 (ja) |
| EP (1) | EP2477258B1 (ja) |
| JP (1) | JP6116800B2 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5572268B1 (ja) * | 2012-08-24 | 2014-08-13 | 三井金属鉱業株式会社 | スピネル型リチウムマンガンニッケル含有複合酸化物 |
| JP6129993B2 (ja) | 2013-02-14 | 2017-05-17 | エルジー・ケム・リミテッド | リチウム二次電池用正極活物質及びそれを含むリチウム二次電池 |
| WO2014126416A1 (ko) * | 2013-02-14 | 2014-08-21 | 주식회사 엘지화학 | 리튬 이차 전지용 양극활물질 및 이를 포함하는 리튬 이차전지 |
| JP6177554B2 (ja) * | 2013-03-19 | 2017-08-09 | 日揮触媒化成株式会社 | マンガン酸リチウムの製造方法 |
| CN103311531A (zh) * | 2013-05-20 | 2013-09-18 | 无锡晶石新型能源有限公司 | 一种添加助烧剂低温烧结制备锰酸锂的方法 |
| JP6072916B2 (ja) * | 2013-07-26 | 2017-02-01 | エルジー・ケム・リミテッド | 正極活物質及びこの製造方法 |
| US9905851B2 (en) | 2013-07-26 | 2018-02-27 | Lg Chem, Ltd. | Cathode active material and method of preparing the same |
| US9905850B2 (en) | 2013-07-26 | 2018-02-27 | Lg Chem, Ltd. | Polycrystalline lithium manganese oxide particles, preparation method thereof, and cathode active material including the same |
| KR101651338B1 (ko) * | 2013-10-29 | 2016-08-25 | 주식회사 엘지화학 | 양극 활물질의 제조방법, 및 이에 의해 제조된 리튬 이차전지용 양극 활물질 |
| KR101977995B1 (ko) * | 2013-12-24 | 2019-05-13 | 경북대학교 산학협력단 | 붕소 화합물이 코팅된 리튬 이차 전지용 양극 활물질 및 이의 제조 방법 |
| JP6417888B2 (ja) * | 2014-11-20 | 2018-11-07 | 戸田工業株式会社 | 非水電解質二次電池用正極活物質粒子粉末とその製造方法、および非水電解質二次電池 |
| JP6428192B2 (ja) * | 2014-11-20 | 2018-11-28 | 戸田工業株式会社 | 非水電解質二次電池用正極活物質粒子粉末とその製造方法、および非水電解質二次電池 |
| CN109153011B (zh) * | 2016-06-02 | 2022-03-01 | 日清纺控股株式会社 | 碳催化剂、电池电极、及电池 |
| CN107507976B (zh) * | 2017-07-21 | 2020-05-26 | 中南大学 | 一种锂铝硼复合掺杂的锰酸锂正极材料及其制备方法 |
| WO2019088805A2 (ko) * | 2017-11-06 | 2019-05-09 | 주식회사 엘지화학 | 스피넬 구조의 리튬 망간계 양극 활물질, 이를 포함하는 양극 및 리튬 이차전지 |
| HUE067724T2 (hu) | 2017-11-06 | 2024-11-28 | Lg Energy Solution Ltd | Pozitív elektróda anyag, pozitív elektróda, és spinell-szerkezetû lítium mangán-alapú pozitív elektróda aktív anyagot tartalmazó szekunder akkumulátor |
| WO2019088806A1 (ko) * | 2017-11-06 | 2019-05-09 | 주식회사 엘지화학 | 스피넬 구조의 리튬 망간계 양극 활물질을 포함하는 양극재, 양극 및 리튬 이차전지 |
| CN109411722A (zh) * | 2018-10-16 | 2019-03-01 | 中国人民解放军国防科技大学 | 一种尖晶石型锂离子电池正极活性材料及其制备方法、正极极片和锂离子电池 |
| KR102781582B1 (ko) * | 2019-09-09 | 2025-03-12 | 에스케이온 주식회사 | 리튬 이차 전지용 양극 활물질 및 이의 제조방법 |
| WO2021112606A1 (ko) * | 2019-12-05 | 2021-06-10 | 주식회사 엘지에너지솔루션 | 리튬 이차전지용 양극 활물질, 상기 양극 활물질의 제조 방법 |
| KR102649190B1 (ko) * | 2020-12-21 | 2024-03-18 | 포스코홀딩스 주식회사 | 리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지 |
| EP4137802B1 (en) * | 2020-12-22 | 2024-10-30 | Lg Chem, Ltd. | Method for analyzing content and distribution of boron introduced into positive electrode active material |
| KR102562647B1 (ko) * | 2020-12-22 | 2023-08-02 | 주식회사 엘지화학 | 양극 활물질에 도입된 붕소의 함량 및 분포 분석방법 |
| EP4545482A1 (en) * | 2023-10-25 | 2025-04-30 | Zentrum für Sonnenenergie- und Wasserstoff-Forschung Baden-Württemberg Gemeinnützige Stiftung | Boron modified spinel lnmo cathode material |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3036674B2 (ja) * | 1995-01-17 | 2000-04-24 | 日本電池株式会社 | 非水電解質二次電池用正極活物質及びそれを備えた非水電解質二次電池 |
| TW434187B (en) * | 1997-05-07 | 2001-05-16 | Fuji Chem Ind Co Ltd | A process for preparing a spinel type of lithium manganese complex oxide |
| JPH11240721A (ja) * | 1997-05-07 | 1999-09-07 | Fuji Chem Ind Co Ltd | スピネル型リチウムマンガン複合酸化物の新規な製造方法及び二次電池用正極活物質 |
| KR100434547B1 (ko) | 1997-05-12 | 2004-09-18 | 삼성전자주식회사 | 리튬양극및이를채용하는리튬2차전지 |
| JP3563268B2 (ja) * | 1998-07-13 | 2004-09-08 | 日本碍子株式会社 | リチウム二次電池 |
| JP2001076727A (ja) | 1999-09-08 | 2001-03-23 | Sony Corp | 非水電解質電池用正極活物質及び非水電解質電池 |
| JP2002151070A (ja) * | 2000-11-06 | 2002-05-24 | Japan Storage Battery Co Ltd | 非水電解質二次電池 |
| JP2002203550A (ja) | 2000-12-28 | 2002-07-19 | Shin Kobe Electric Mach Co Ltd | リチウム二次電池 |
| EP1491504B1 (en) | 2002-02-21 | 2016-06-15 | Tosoh Corporation | Lithium manganese composite oxide granular secondary particle, method for production thereof and use thereof |
| EP1357616B1 (en) | 2002-03-25 | 2012-11-28 | Sumitomo Chemical Company, Limited | Positive electrode active material for non-aqueous secondary battery |
| JP4940530B2 (ja) * | 2003-02-05 | 2012-05-30 | 日亜化学工業株式会社 | 非水電解液二次電池用正極活物質 |
| KR20080031424A (ko) | 2005-07-21 | 2008-04-08 | 스미또모 가가꾸 가부시키가이샤 | 비수성 전해질 2차 전지용 양극 활성 물질 |
| US20090050841A1 (en) | 2005-07-21 | 2009-02-26 | Sumitomo Chemical Company, Limited | Positive electrode active material for non-aqueous electrolyte secondary battery |
| EP2214232B1 (en) | 2007-10-23 | 2012-02-08 | Mitsui Mining & Smelting Co., Ltd | Spinel type lithium-transition metal oxide |
| JP5229472B2 (ja) * | 2007-11-12 | 2013-07-03 | 戸田工業株式会社 | 非水電解液二次電池用マンガン酸リチウム粒子粉末及びその製造方法、並びに非水電解液二次電池 |
| WO2009063630A1 (ja) | 2007-11-12 | 2009-05-22 | Toda Kogyo Corporation | 非水電解液二次電池用マンガン酸リチウム粒子粉末及びその製造方法、並びに非水電解液二次電池 |
| DE102008029804A1 (de) | 2008-06-24 | 2010-07-08 | Süd-Chemie AG | Mischoxid enthaltend einen Lithium-Mangan-Spinell und Verfahren zu dessen Herstellung |
| WO2010032449A1 (ja) * | 2008-09-18 | 2010-03-25 | 戸田工業株式会社 | マンガン酸リチウム粒子粉末の製造方法及び非水電解質二次電池 |
| JP5716923B2 (ja) * | 2011-03-31 | 2015-05-13 | 戸田工業株式会社 | 非水電解質二次電池用活物質粉末、並びに非水電解質二次電池 |
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| CN102593456A (zh) | 2012-07-18 |
| KR20120081808A (ko) | 2012-07-20 |
| EP2477258B1 (en) | 2021-06-23 |
| KR101264333B1 (ko) | 2013-05-14 |
| JP2012146662A (ja) | 2012-08-02 |
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| US20120177994A1 (en) | 2012-07-12 |
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