KR20160106221A - 고순도 전극 재료의 제조 방법 - Google Patents
고순도 전극 재료의 제조 방법 Download PDFInfo
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- KR20160106221A KR20160106221A KR1020167024211A KR20167024211A KR20160106221A KR 20160106221 A KR20160106221 A KR 20160106221A KR 1020167024211 A KR1020167024211 A KR 1020167024211A KR 20167024211 A KR20167024211 A KR 20167024211A KR 20160106221 A KR20160106221 A KR 20160106221A
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- Prior art keywords
- lithium
- transition metal
- magnetic
- compound
- contaminants
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 21
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Abstract
Description
도 1은 본 발명에 따르는 방법의 다이어그램(100)을 도시한다.
Claims (24)
- a) 리튬 공급원, 전이 금속 공급원 및 포스페이트 공급원을 포함하거나 리튬, 티탄 및 산소 공급원(a lithium, titanium and oxygen source)을 포함하는, 리튬 전이 금속 포스페이트 또는 리튬 티타네이트의 출발 화합물들을 제공하며, 이때, 자성 오염물(magnetic contaminant) 뿐만 아니라 용해되지 않거나 현탁되지 않은 입자들이 적어도 하나의 공급원으로부터 단리되는, 단계;
b) 상기 출발 화합물들을 전구체 혼합물 및/또는 전구체 현탁액으로 전환시킨 다음, 임의로, 이들을 현탁액 형태의 리튬 전이 금속 포스페이트 또는 리튬 티타네이트 화합물로 전환시키고, 이들로부터, 자성 오염물 뿐만 아니라 용해되지 않거나 현탁되지 않은 입자들을 단리시키는 단계; 및
c) 상기 리튬 전이 금속 포스페이트 화합물 또는 리튬 티타네이트 화합물 또는 상기 전구체 혼합물 및/또는 전구체 현탁액을 수득한 다음, 이들을 열처리하고, 이들로부터 자성 오염물을 제거하는 단계
를 포함하는, 자성 오염물이 부재하는 미세-미립자형의 혼합된(fine-particulate mixed) 리튬 전이 금속 포스페이트 또는 리튬 티타네이트의 제조 방법. - 제1항에 있어서, 단계 a)에서, 탄소 함유 화합물인 추가의 출발 화합물이 첨가되는, 방법.
- 제1항에 있어서, 단계 c)에서 상기 정제된 리튬 전이 금속 포스페이트 화합물 또는 리튬 티타네이트 화합물을 수득한 후에, 이를 탄소 함유 화합물과 혼합하며, 이때 현탁액 또는 혼합물이 수득되는, 방법.
- 제3항에 있어서, 자성 및/또는 산화물 오염물들이 상기 혼합물 또는 현탁액으로부터 분리되는, 방법.
- 제1항 내지 제4항 중의 어느 한 항에 있어서, 상기 열처리가 건조 단계를 포함하는, 방법.
- 제5항에 있어서, 상기 건조 단계 후에 제립 단계가 수행되는, 방법.
- 제6항에 있어서, 상기 제립 단계 후에 하소 단계가 수행되는, 방법.
- 제1항 내지 제7항 중의 어느 한 항에 있어서, 단계 c) 후에 및/또는 상기 하소 단계 후에, 상기 수득된 생성물의 그라인딩(grinding) 및/또는 에어 시프팅(air sifting)이 수행되는, 방법.
- 제8항에 있어서, 그라인딩 및/또는 에어 시프팅 후에, 자성 오염물들이 상기 생성물로부터 제거되는, 방법.
- 제1항 내지 제9항 중의 어느 한 항에 있어서, 상기 자성 오염물들의 분리가 자석에 의해 수행되는, 방법.
- 제1항 내지 제10항 중의 어느 한 항에 있어서, 상기 용해되지 않거나 현탁되지 않은 입자들의 상기 단리가 필터, 스크린 또는 스트레이너(strainer)에 의한 여과 또는 시프팅에 의해 수행되는, 방법.
- 제1항 내지 제11항 중의 어느 한 항에 있어서, 상기 탄소 함유 화합물은 탄화수소, 단량체, 중합체, 폴리사이클렌(polycyclene), 폴리올레핀, 폴리부타디엔, 폴리비닐 알코올, 페놀, 스티렌, 나프탈린, 페릴렌, 아크릴로니트릴, 비닐아세테이트, 셀룰로스, 피치, 타르, 당, 전분 뿐만 아니라 이들의 에스테르, 에테르, 산 또는 이들의 유도체로부터 선택되는, 방법.
- 제1항 내지 제12항 중의 어느 한 항에 있어서, 상기 건조 단계가 80 내지 150℃에서 수행되는, 방법.
- 제1항 내지 제13항 중의 어느 한 항에 있어서, 상기 하소 단계가 500℃ 내지 1,000℃에서 수행되는, 방법.
- 제1항 내지 제14항 중의 어느 한 항에 있어서, 상기 생성물이 단계 b)에서의 전환 동안 분산 또는 그라인딩되는, 방법.
- 제1항 내지 제15항 중의 어느 한 항에 있어서, 상기 전환이 열수(hydrothermal) 조건하에 수행되는, 방법.
- 제16항에 있어서, 상기 전환이 100 내지 160℃의 온도 및 1bar의 압력에서 수행되는, 방법.
- 제1항 내지 제17항 중의 어느 한 항에 있어서, 상기 전이 금속 공급원의 전이 금속이 Ti, Cr, Mn, Fe, Co, Ni, Cu, Ru, Zn 또는 이들의 혼합물로 이루어진 그룹으로부터 선택되는, 방법.
- 제18항에 있어서, 단계 a)에서, Ca, Mg, Zn, Sn, Sb, As, Bi 및 이들의 혼합몰로부터 선택된 금속 공급원이 첨가되는, 방법.
- 제1항 내지 제19항 중의 어느 한 항에 따르는 방법에 의해 수득될 수 있으며 자성 오염물들을 1ppm 미만으로 갖는, 자성 오염물들이 부재하는 리튬 전이 금속 포스페이트 화합물 또는 리튬 티타네이트 화합물.
- 제20항에 있어서, 도핑되거나 도핑되지 않은 Li4Ti5O12, LiFePO4 또는 LiFeMnPO4인, 리튬 전이 금속 포스페이트 화합물 또는 리튬 티타네이트 화합물.
- 재충전 가능한 리튬-이온 배터리용 전극에서의 활성 재료로서의, 제21항에 따르는 도핑되거나 도핑되지 않은 리튬 전이 금속 포스페이트 화합물 또는 리튬 티타네이트 화합물의 용도.
- 제20항 또는 제21항에 따르는 리튬 전이 금속 포스페이트 화합물 또는 리튬 티타네이트 화합물을 활성 재료로서 포함하는 전극.
- 제23항에 따르는 전극을 포함하는 2차 리튬-이온 배터리.
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| PCT/EP2013/050944 WO2013107861A1 (en) | 2012-01-18 | 2013-01-18 | Method for producing high-purity electrode materials |
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| WO2014142045A1 (ja) * | 2013-03-14 | 2014-09-18 | 日本ゼオン株式会社 | 電気化学素子電極用複合粒子の製造方法 |
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| EP3003983A1 (en) * | 2013-06-05 | 2016-04-13 | Johnson Matthey Public Limited Company | Process for the preparation of lithium titanium spinel and its use |
| JP5929990B2 (ja) * | 2014-09-29 | 2016-06-08 | 住友大阪セメント株式会社 | 正極材料、正極材料の製造方法、正極およびリチウムイオン電池 |
| JP5971378B1 (ja) * | 2015-04-30 | 2016-08-17 | 住友大阪セメント株式会社 | リチウムイオン二次電池用正極材料の製造方法 |
| JP6970368B2 (ja) * | 2016-06-07 | 2021-11-24 | 住友金属鉱山株式会社 | リチウム化合物粉体、このリチウム化合物粉体の製造方法、および非水系電解質二次電池用正極活物質の製造方法 |
| US10707531B1 (en) | 2016-09-27 | 2020-07-07 | New Dominion Enterprises Inc. | All-inorganic solvents for electrolytes |
| CN106784782B (zh) * | 2016-12-27 | 2019-11-08 | 国联汽车动力电池研究院有限责任公司 | 一种低杂质多元前驱体的制备方法 |
| CN111918840B (zh) * | 2018-03-28 | 2023-05-12 | 住友金属矿山株式会社 | 锂镍复合氧化物及锂镍复合氧化物的制造方法 |
| JP7403946B2 (ja) * | 2018-08-20 | 2023-12-25 | 株式会社田中化学研究所 | 精製リチウム化合物の製造方法及びリチウム遷移金属複合酸化物の製造方法 |
| JP7329776B2 (ja) * | 2018-12-28 | 2023-08-21 | パナソニックIpマネジメント株式会社 | 固体電解質材料、およびこれを用いた電池 |
| JP7593792B2 (ja) * | 2020-11-19 | 2024-12-03 | Dowaエレクトロニクス株式会社 | リチウムとニオブとを含有する溶液およびその製造方法、並びに、リチウム二次電池用活物質の製造方法 |
| KR20230148179A (ko) * | 2021-02-19 | 2023-10-24 | 더 리전트 오브 더 유니버시티 오브 캘리포니아 | 사이클 수명이 긴 고용량 실리콘 애노드 및 이의 제조 및 사용 방법 |
| CN113745515A (zh) * | 2021-08-19 | 2021-12-03 | 湖州南木纳米科技有限公司 | 一种含锂材料 |
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| CN114797727B (zh) | 2022-04-29 | 2024-02-02 | 深圳市沃伦特新能源有限公司 | 一种水热法合成磷酸铁锂的生产设备 |
| CN115465849B (zh) * | 2022-09-26 | 2024-05-10 | 佛山市德方纳米科技有限公司 | 一种磷酸盐系正极材料及其制备方法与应用 |
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-
2012
- 2012-01-18 DE DE102012000914A patent/DE102012000914B4/de not_active Expired - Fee Related
-
2013
- 2013-01-18 EP EP13701034.4A patent/EP2805367B1/en active Active
- 2013-01-18 KR KR1020147020048A patent/KR101713532B1/ko active Active
- 2013-01-18 CA CA2862682A patent/CA2862682A1/en not_active Abandoned
- 2013-01-18 CN CN201380005592.XA patent/CN104054198A/zh active Pending
- 2013-01-18 WO PCT/EP2013/050944 patent/WO2013107861A1/en not_active Ceased
- 2013-01-18 US US14/372,960 patent/US20160268593A1/en not_active Abandoned
- 2013-01-18 KR KR1020167024211A patent/KR20160106221A/ko not_active Withdrawn
- 2013-01-18 TW TW102101927A patent/TWI485103B/zh not_active IP Right Cessation
- 2013-01-18 JP JP2014552635A patent/JP2015511366A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20160268593A1 (en) | 2016-09-15 |
| WO2013107861A1 (en) | 2013-07-25 |
| TWI485103B (zh) | 2015-05-21 |
| EP2805367B1 (en) | 2018-11-21 |
| KR20140123049A (ko) | 2014-10-21 |
| JP2015511366A (ja) | 2015-04-16 |
| KR101713532B1 (ko) | 2017-05-24 |
| EP2805367A1 (en) | 2014-11-26 |
| CA2862682A1 (en) | 2013-07-25 |
| CN104054198A (zh) | 2014-09-17 |
| DE102012000914B4 (de) | 2012-11-15 |
| TW201343543A (zh) | 2013-11-01 |
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