JP2020522374A - 反応装置及び方法 - Google Patents
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Abstract
Description
Claims (21)
- 反応容器と、
前記反応容器の内部に提供され、多段のインペラーを備えた撹拌手段と、
前記反応容器に連携され、少なくとも前記インペラー間の空間に原料を投入する少なくとも一つ以上の投入ノズルを含む原料投入手段と、
を含む、反応装置。 - 前記原料は金属溶液(metal solution)を含み、
前記原料投入手段は、前記金属溶液を少なくともインペラー間の空間に投入し、且つ反応容器の外部に配置され、金属溶液のコア(core)溶液とシェル(shell)溶液を少なくとも設定された割合で混合して供給する金属溶液混合手段と連携される第1原料投入手段を含む、請求項1に記載の反応装置。 - 前記原料は第1及び第2溶液をさらに含み、前記反応装置はリチウム二次電池用正極活物質の製造のための共沈反応装置として提供され、
前記原料投入手段は、前記インペラー間の空間に、前記第1及び第2溶液を投入する第2及び第3原料投入手段をさらに含む、請求項2に記載の反応装置。 - 前記第1〜第3原料投入手段は、前記インペラー間の空間に加えて、反応容器の底及び最下段のインペラー間の空間に原料を投入する投入ノズルをさらに含む、請求項3に記載の反応装置。
- 前記反応容器の外側に提供される容器重量感知手段をさらに含むことで、少なくともインペラー間の空間に投入される金属溶液と第1及び第2溶液が反応容器の溶液レベルに対応して投入される、請求項3に記載の反応装置。
- 前記原料投入手段の投入ノズルは混合手段と連結される金属溶液供給管と、前記第1及び第2溶液を供給する溶液供給管の端部に一体に提供されるか、または分解可能に組み立てられる、請求項4に記載の反応装置。
- 前記投入ノズルは、前記供給管の下端部に少なくとも90度以上折り曲げられている形で提供され、インペラー間の空間、反応容器の底及びインペラー間の空間のうち少なくとも一つの空間に原料を投入する、請求項6に記載の反応装置。
- 前記投入ノズルは複数の原料投入孔を含む、請求項4に記載の反応装置。
- 前記投入ノズルはコイル型投入ノズルとして提供される、請求項4に記載の反応装置。
- 前記下端部に投入ノズルが提供される供給管は、前記反応容器を通過して上下移動可能な移動型供給管として提供される、請求項6に記載の反応装置。
- 前記反応容器の内部に提供される少なくとも一つ以上の多孔性バッフルをさらに含む、請求項1に記載の反応装置。
- 前記多孔性バッフルに備えられる孔は、円状、楕円状、及び多角形のうち少なくとも一つで提供される、請求項11に記載の反応装置。
- 前記多孔性バッフルに提供された少なくとも一つ以上の開口部に挿入され、孔が形成された挿入固定体をさらに含む、請求項11に記載の反応装置。
- 前記多孔性バッフルに備えられた孔は、断面上、入口よりも出口が狭くなる傾斜孔として提供される、請求項11に記載の反応装置。
- 前記多孔性バッフルは、反応容器に備えられた撹拌手段の最下段のインペラーに近接して伸張する、請求項11に記載の反応装置。
- 前記混合手段は、混合タンクと、前記混合タンクにそれぞれ連結されるコア溶液供給管及びシェル溶液供給管、ならびに供給管に備えられた流量調整器と、を含む、請求項2に記載の反応装置。
- コア溶液とシェル溶液を設定された割合で混合した金属溶液(metal solution)を反応容器に設定された流量で投入する金属溶液投入段階と、
他の溶液を設定された流量で反応容器に投入する溶液投入段階と、
前記反応容器に投入された金属溶液と他の溶液とを攪拌して、リチウム二次電池用正極活物質を製造する共沈反応段階と、
を含む、反応方法。 - 前記金属溶液と他の溶液は、前記反応容器に備えられた撹拌手段のインペラー間の空間、前記反応容器の底及びインペラー間の空間のうち少なくとも一つの空間に投入される、請求項17に記載の反応方法。
- 前記金属溶液と他の溶液は、反応容器内の溶液レベルに対応して反応容器に投入される、請求項17に記載の反応方法。
- 前記共沈反応段階において、Ni:Co:MnまたはNi:Co:Alの組成を有する前記金属溶液とNaOH及びNH4OHの前記他の溶液とを反応させて、少なくとも中心距離に応じた濃度勾配(Gradient)を有するニッケル−コバルト−マンガン前駆体(NixCoyMn1−x−y(OH)2)またはニッケル−コバルト−アルミニウム前駆体(NixCoyAln1−x−y(OH)2)を製造する、請求項17に記載の反応方法。
- 請求項1から請求項16のいずれかの1項に記載された反応装置を用いる、請求項17に記載の反応方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020170066103A KR101967979B1 (ko) | 2017-05-29 | 2017-05-29 | 반응 장치 및 방법 |
| KR10-2017-0066103 | 2017-05-29 | ||
| PCT/KR2018/000639 WO2018221822A1 (ko) | 2017-05-29 | 2018-01-12 | 반응 장치 및 방법 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2020522374A true JP2020522374A (ja) | 2020-07-30 |
| JP7018077B2 JP7018077B2 (ja) | 2022-02-09 |
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| JP2023540258A (ja) * | 2020-08-29 | 2023-09-22 | コアシェル テクノロジーズ インコーポレイテッド | 電池材料粉末への膜の堆積 |
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| JP2025110856A (ja) * | 2024-01-16 | 2025-07-29 | 明志科技大學 | ニッケルリッチ水酸化物前駆体材料の製造方法、及びニッケルリッチ酸化物正極材料の製造方法 |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20180130241A (ko) | 2018-12-07 |
| US20200078747A1 (en) | 2020-03-12 |
| US11623195B2 (en) | 2023-04-11 |
| EP3632532A4 (en) | 2020-05-20 |
| CN110678254B (zh) | 2021-12-07 |
| JP7018077B2 (ja) | 2022-02-09 |
| WO2018221822A1 (ko) | 2018-12-06 |
| CN110678254A (zh) | 2020-01-10 |
| EP3632532A1 (en) | 2020-04-08 |
| KR101967979B1 (ko) | 2019-04-10 |
| JP7018077B6 (ja) | 2023-12-14 |
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