KR20170056576A - 개선된 속도 특성을 갖는 리튬 금속 산화물 함유 배터리 - Google Patents
개선된 속도 특성을 갖는 리튬 금속 산화물 함유 배터리 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 탈응집된 리튬 금속 산화물 분말을 포함하는 본 발명의 캐소드의 단면도의 주사 전자 현미경사진이다.
도 3은 본 발명의 리튬 금속 산화물 분말의 2차 입자의 단면도의 주사 전자 현미경사진이다.
도 4는 프레싱 시 탈응집되지 않는 리튬 금속 산화물 분말을 포함하는 본 발명이 아닌 캐소드의 단면도의 주사 전자 현미경사진이다.
Claims (16)
- 리튬 이온 배터리 캐소드를 제조하는데 유용한 리튬 금속 산화물 분말로서, 상기 리튬 금속 산화물 분말은 서로 결합된 응집된 1차 리튬 금속 산화물 입자를 포함하는 2차 입자를 포함하고, 상기 1차 리튬 금속 산화물 입자는 Li, Ni, Mn, Co 및 산소를 포함하고 그리고 0.1 마이크로미터 내지 3 마이크로미터의 중앙 1차 입자 크기를 가지며, 상기 2차 입자는 적어도 약 10%인 기공률을 가지는 리튬 금속 산화물 분말.
- 제1항에 있어서, 상기 2차 입자의 기공률은 적어도 약 12% 내지 약 25%인, 리튬 금속 산화물 분말.
- 제1항에 있어서, 상기 리튬 금속 산화물 분말은 금속 포일 상에 부착되는 리튬 금속 산화물 분말을 포함하는 캐소드를 형성하기에 충분한 압력에서 탈응집되는, 리튬 금속 산화물 분말.
- 제3항에 있어서, 상기 압력은 10MPa 내지 300MPa인, 리튬 금속 산화물 분말.
- 제1항에 있어서, 상기 분말은 하기 화학식으로 표시되는, 리튬 금속 산화물 분말:
LixMyO2
식 중, 0.8<x<1.15이고, y는 1이고, M은 Ni, Co 및 Mn을 포함하고, 하기 식으로 표시되는 바와 같은 양으로 존재함: Ni1 -a- bMnaCob, 식 중 0.1≤≤a≤≤0.9 및 0.05≤≤b≤≤0.8이고, (1-a-b)/(a+b)는 0.25 내지 1.5임. - 제1항에 있어서, 상기 2차 입자가 5 마이크로미터 내지 35 마이크로미터의 중앙 크기(D50)를 갖는, 방법.
- 캐소드의 형성 방법으로서,
(a) 제1항의 리튬 금속 산화물 분말, 결합제 및 용매를 혼합하여 코팅 혼합물을 형성하는 단계;
(b) 상기 코팅 혼합물을 금속 포일의 표면에 접촉시키는 단계;
(c) 용매를 제거하여, 상기 리튬 금속 산화물 및 상기 결합제가 포함된 코팅을 상부에 갖는 금속 포일을 형성하는 단계; 및
(d) 상기 코팅을 상부에 갖는 상기 금속 포일을 프레싱하여 캐소드를 형성하는 단계로서, 상기 코팅은 탈응집된 리튬 금속 산화물 2차 입자를 포함하는, 상기 캐소드를 형성하는 단계를 포함하는, 캐소드의 형성 방법. - 제7항에 있어서, 상기 용매는 유기 용매인, 캐소드의 형성 방법.
- 제7항에 있어서, 상기 결합제는 상기 용매에 용해되는 유기 결합제인, 캐소드의 형성 방법.
- 제9항에 있어서, 상기 결합제의 양은 상기 코팅의 최대 10 중량%인, 캐소드의 형성 방법.
- 제10항에 있어서, 상기 코팅은 상기 프레싱 동안 탈응집되지 않는 2차 입자를 포함하는 2차 캐소드 분말을 더 포함하는, 캐소드의 형성 방법.
- 제11항에 있어서, 상기 리튬 금속 산화물 분말은 상기 코팅의 10 중량% 내지 40 중량%의 양으로 존재하고, 본질적으로 모든 상기 2차 입자가 탈응집되는, 캐소드의 형성 방법.
- 제11항에 있어서, 상기 2차 캐소드 분말은 리튬 금속 산화물, 리튬 금속 포스페이트 또는 이들의 혼합물인, 캐소드의 형성 방법.
- 제7항 내지 제13항 중 어느 한 항의 캐소드를 포함하는 배터리.
- 제1항 내지 제6항 중 어느 한 항의 리튬 금속 산화물 분말을 포함하는 배터리.
- 제1항에 있어서, 상기 기공률은 본질적으로 모두 개방 기공률인, 리튬 금속 산화물 분말.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462053868P | 2014-09-23 | 2014-09-23 | |
| US62/053,868 | 2014-09-23 | ||
| PCT/US2015/051144 WO2016048862A1 (en) | 2014-09-23 | 2015-09-21 | Lithium metal oxide containing batteries having improved rate capability |
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| Publication Number | Publication Date |
|---|---|
| KR20170056576A true KR20170056576A (ko) | 2017-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020177008661A Ceased KR20170056576A (ko) | 2014-09-23 | 2015-09-21 | 개선된 속도 특성을 갖는 리튬 금속 산화물 함유 배터리 |
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| Country | Link |
|---|---|
| US (1) | US20170256789A1 (ko) |
| EP (1) | EP3198669B1 (ko) |
| JP (2) | JP2017535027A (ko) |
| KR (1) | KR20170056576A (ko) |
| CN (1) | CN106716689A (ko) |
| ES (1) | ES2962432T3 (ko) |
| HU (1) | HUE064457T2 (ko) |
| PL (1) | PL3198669T3 (ko) |
| WO (1) | WO2016048862A1 (ko) |
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| US10109858B1 (en) * | 2015-05-08 | 2018-10-23 | Tronox Llc | Method for preparing electrolytic manganese dioxide |
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| JP7338133B2 (ja) * | 2017-07-12 | 2023-09-05 | 住友金属鉱山株式会社 | 非水系電解質二次電池用正極活物質前駆体、非水系電解質二次電池用正極活物質前駆体の製造方法、非水系電解質二次電池用正極活物質の製造方法 |
| JP7119302B2 (ja) * | 2017-07-12 | 2022-08-17 | 住友金属鉱山株式会社 | 非水系電解質二次電池用正極活物質前駆体、非水系電解質二次電池用正極活物質前駆体の製造方法、非水系電解質二次電池用正極活物質の製造方法 |
| JP7135354B2 (ja) * | 2017-07-12 | 2022-09-13 | 住友金属鉱山株式会社 | 非水系電解質二次電池用正極活物質前駆体、非水系電解質二次電池用正極活物質前駆体の製造方法、非水系電解質二次電池用正極活物質の製造方法 |
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| CN110233247B (zh) | 2018-12-29 | 2021-01-01 | 宁德时代新能源科技股份有限公司 | 正极活性材料、正极极片及电化学储能装置 |
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| US11311938B2 (en) | 2019-04-30 | 2022-04-26 | 6K Inc. | Mechanically alloyed powder feedstock |
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| US11590568B2 (en) | 2019-12-19 | 2023-02-28 | 6K Inc. | Process for producing spheroidized powder from feedstock materials |
| EP4158715A4 (en) * | 2020-05-29 | 2025-01-01 | The Regents of the University of Michigan | Atomic layer deposition of ionically conductive coatings for lithium battery fast charging |
| KR20230029836A (ko) | 2020-06-25 | 2023-03-03 | 6케이 인크. | 마이크로복합 합금 구조 |
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| EP4237174A1 (en) | 2020-10-30 | 2023-09-06 | 6K Inc. | Systems and methods for synthesis of spheroidized metal powders |
| EP4275239A4 (en) | 2021-01-11 | 2024-12-18 | 6K Inc. | METHODS AND SYSTEMS FOR RECLAIMING LI-ION CATHODE MATERIALS USING MICROWAVE PLASMA TREATMENT |
| JP2024515034A (ja) | 2021-03-31 | 2024-04-04 | シックスケー インコーポレイテッド | 金属窒化物セラミックの積層造形のためのシステム及び方法 |
| EP4095102A1 (en) * | 2021-05-28 | 2022-11-30 | Basf Se | Process for making a particulate electrode active material, and electrode active material |
| WO2023229928A1 (en) | 2022-05-23 | 2023-11-30 | 6K Inc. | Microwave plasma apparatus and methods for processing materials using an interior liner |
| US12040162B2 (en) | 2022-06-09 | 2024-07-16 | 6K Inc. | Plasma apparatus and methods for processing feed material utilizing an upstream swirl module and composite gas flows |
| WO2024044498A1 (en) | 2022-08-25 | 2024-02-29 | 6K Inc. | Plasma apparatus and methods for processing feed material utilizing a powder ingress preventor (pip) |
| US12195338B2 (en) | 2022-12-15 | 2025-01-14 | 6K Inc. | Systems, methods, and device for pyrolysis of methane in a microwave plasma for hydrogen and structured carbon powder production |
| CN116454261A (zh) * | 2022-12-30 | 2023-07-18 | 北京当升材料科技股份有限公司 | 锂离子电池正极材料及其制备方法 |
| CN121149224B (zh) * | 2025-11-19 | 2026-04-03 | 厦门厦钨新能源材料股份有限公司 | 一种多级复配正极材料及其制备方法与应用 |
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| KR100732896B1 (ko) * | 2003-08-21 | 2007-06-27 | 에이지씨 세이미 케미칼 가부시키가이샤 | 리튬 이차 전지용 양극 활성 물질 분말 |
| JP4172423B2 (ja) * | 2004-05-26 | 2008-10-29 | ソニー株式会社 | 正極活物質および非水電解質二次電池 |
| WO2009031619A1 (ja) * | 2007-09-04 | 2009-03-12 | Mitsubishi Chemical Corporation | リチウム遷移金属系化合物粉体、その製造方法及びその焼成前駆体となる噴霧乾燥体、並びに、それを用いたリチウム二次電池用正極及びリチウム二次電池 |
| JPWO2009099158A1 (ja) * | 2008-02-06 | 2011-05-26 | Agcセイミケミカル株式会社 | リチウムイオン二次電池正極活物質用の造粒体粉末の製造方法 |
| JP2009283354A (ja) * | 2008-05-23 | 2009-12-03 | Panasonic Corp | 非水電解質二次電池用電極およびその製造方法ならびに非水電解質二次電池 |
| JP5670671B2 (ja) * | 2010-09-02 | 2015-02-18 | 日立マクセル株式会社 | 電池用正極の製造方法およびリチウムイオン二次電池の製造方法 |
| CN103250280A (zh) * | 2010-12-17 | 2013-08-14 | 艾利电力能源有限公司 | 非水电解液二次电池用正极及非水电解液二次电池以及电池模块 |
| KR101373094B1 (ko) * | 2011-04-08 | 2014-03-12 | 로베르트 보쉬 게엠베하 | 리튬 이차 전지용 양극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 |
| WO2012151297A1 (en) * | 2011-05-02 | 2012-11-08 | Washington University | Spray pyrolysis synthesis of mesoporous positive electrode materials for high energy lithium-ion batteries |
| JP5651547B2 (ja) * | 2011-06-29 | 2015-01-14 | 日立オートモティブシステムズ株式会社 | リチウムイオン二次電池 |
| JP2013055000A (ja) * | 2011-09-06 | 2013-03-21 | Mitsubishi Chemicals Corp | リチウム二次電池正極材料用リチウム遷移金属系化合物粉体及びその製造方法、並びにそれを用いたリチウム二次電池用正極及びリチウム二次電池 |
| JP6129853B2 (ja) * | 2012-09-04 | 2017-05-17 | 日本碍子株式会社 | リチウム二次電池用正極活物質 |
| JP2014067546A (ja) * | 2012-09-25 | 2014-04-17 | Ngk Insulators Ltd | リチウム二次電池の正極活物質及びリチウム二次電池 |
| JP5830178B2 (ja) * | 2012-10-15 | 2015-12-09 | 日本碍子株式会社 | リチウム二次電池用正極活物質の製造方法及びそれに用いられる活物質前駆体粉末 |
| JP6369739B2 (ja) * | 2013-01-11 | 2018-08-08 | 株式会社Gsユアサ | 蓄電素子及びその製造方法 |
| WO2014142279A1 (ja) * | 2013-03-15 | 2014-09-18 | 日産自動車株式会社 | 正極活物質、正極材料、正極および非水電解質二次電池 |
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2015
- 2015-09-21 PL PL15771468.4T patent/PL3198669T3/pl unknown
- 2015-09-21 EP EP15771468.4A patent/EP3198669B1/en active Active
- 2015-09-21 ES ES15771468T patent/ES2962432T3/es active Active
- 2015-09-21 CN CN201580049603.3A patent/CN106716689A/zh active Pending
- 2015-09-21 JP JP2017513085A patent/JP2017535027A/ja not_active Withdrawn
- 2015-09-21 KR KR1020177008661A patent/KR20170056576A/ko not_active Ceased
- 2015-09-21 WO PCT/US2015/051144 patent/WO2016048862A1/en not_active Ceased
- 2015-09-21 US US15/512,706 patent/US20170256789A1/en not_active Abandoned
- 2015-09-21 HU HUE15771468A patent/HUE064457T2/hu unknown
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| US20170256789A1 (en) | 2017-09-07 |
| JP2020191289A (ja) | 2020-11-26 |
| JP2017535027A (ja) | 2017-11-24 |
| HUE064457T2 (hu) | 2024-03-28 |
| EP3198669A1 (en) | 2017-08-02 |
| CN106716689A (zh) | 2017-05-24 |
| EP3198669B1 (en) | 2023-10-18 |
| ES2962432T3 (es) | 2024-03-19 |
| WO2016048862A1 (en) | 2016-03-31 |
| PL3198669T3 (pl) | 2024-03-04 |
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