JP7209714B2 - 方法、カソード材料を形成する方法 - Google Patents
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- C01G53/42—Nickelates containing alkali metals, e.g. LiNiO2
- C01G53/44—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese
- C01G53/50—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese of the type [MnO2]n-, e.g. Li(NixMn1-x)O2, Li(MyNixMn1-x-y)O2
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- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
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- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
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- H—ELECTRICITY
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
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Description
本出願は、「電池のカソード材料に金属をドープするための方法及びシステム」と題され、2017年11月22日に出願された米国仮出願第62/590,175号に対する優先権を主張する。すべての目的のため、上記出願の全内容は参照により本明細書に組み込まれる。
Claims (12)
- 60ピコメートルより大きく220ピコメートル以下のイオン半径を有する1つ以上の金属を含むドーパント塩を水に溶解し、
水中でドーパント塩とニッケル、マンガン、及び酸化コバルト(NMC)粉末との混合物を形成し、
続いて、混合物を加熱してカソード材料を形成し、
前記金属が、ストロンチウム(Sr)、バリウム(Ba)、ルビジウム(Rb)、セシウム(Cs)、ニオブ(Nb)、モリブデン(Mo)、テクネチウム(Tc)、ルテニウム(Ru)、タングステン(W)、プラチナ(Pt)、セリウム(Ce)、及びイットリウム(Y)の1つ以上から選択される、方法。 - 前記金属は、それぞれ、ニッケルのイオン半径より1.5倍大きいイオン半径を有する、請求項1に記載の方法。
- 前記カソード材料は、60%以上のニッケルを含む、請求項2に記載の方法。
- 前記ドーパント塩は、Y(NO3)3である、請求項1に記載の方法。
- 前記ドーパント塩は、Y(CH2COOH)3である、請求項1に記載の方法。
- 前記ドーパント塩は、前記NMC粉末の0.01重量%以上15重量%以下の量で水に溶解される、請求項1に記載の方法。
- 前記ドーパント塩は、前記NMC粉末の3重量%に等しい量で水に溶解される、請求項1に記載の方法。
- 前記混合物を加熱することは、前記混合物を予備焼結温度(pre-sinter temperature)及び焼結温度(sinter temperature)に加熱することを含み、前記予備焼結温度は前記焼結温度より低く、前記予備焼結温度は150℃以上900℃以下であり、前記焼結温度は300℃以上950℃以下である、請求項1に記載の方法。
- 前記混合物を加熱することは、前記混合物を100以上950℃以下の温度に加熱することを含む、請求項1に記載の方法。
- 60%以上のニッケルを含むカソード材料を形成する方法であって、
60ピコメートルより大きく220ピコメートル以下の原子半径を有する金属を含むドーパント塩を水、有機溶媒、又はそれらの組み合わせに溶解し、
水中でNMC粉末とドーパント塩とを含む混合物を形成し、
前記混合物の懸濁液を乾燥するまで加熱し、
乾燥された懸濁液を粉砕し、
乾燥され粉砕された懸濁液を焼結し、
前記ドーパント塩を溶解することは、前記ドーパント塩が水溶性である場合、前記NMC粉末の3重量%で前記ドーパント塩を水に溶解することを含む、方法。 - 前記ドーパント塩を溶解することは、水のみに前記ドーパント塩を溶解することを含む、請求項10に記載の方法。
- 前記焼結することが、前記NMC粉末及び前記ドーパント塩を100以上950℃以下の温度に加熱することを含む、請求項10に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762590175P | 2017-11-22 | 2017-11-22 | |
US62/590,175 | 2017-11-22 | ||
PCT/US2018/062134 WO2019104099A2 (en) | 2017-11-22 | 2018-11-20 | Method and systems for metal doping on battery cathode materials |
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JP2021504886A JP2021504886A (ja) | 2021-02-15 |
JP7209714B2 true JP7209714B2 (ja) | 2023-01-20 |
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US (1) | US20200365874A1 (ja) |
EP (1) | EP3713875A4 (ja) |
JP (1) | JP7209714B2 (ja) |
KR (1) | KR102627568B1 (ja) |
CN (1) | CN111801299A (ja) |
WO (1) | WO2019104099A2 (ja) |
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CN110400925A (zh) * | 2019-08-03 | 2019-11-01 | 深圳市新创材料科技有限公司 | 一种制备铷掺杂的锂离子电池三元正极材料的方法 |
US11881583B2 (en) | 2021-12-15 | 2024-01-23 | Samsung Electronics Co., Ltd. | Positive electrode active material and electrochemical cell comprising the positive electrode active material |
KR20240004042A (ko) | 2022-07-04 | 2024-01-11 | 충남대학교산학협력단 | 리튬 이차전지용 양극활물질 및 이를 포함하는 리튬 이차전지 |
KR20240014277A (ko) | 2022-07-25 | 2024-02-01 | 충남대학교산학협력단 | 코어-쉘 구조를 갖는 리튬 이차전지용 양극활물질 및 이의 제조방법, 이를 포함하는 리튬 이차전지 |
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WO2012099265A1 (ja) | 2011-01-21 | 2012-07-26 | 三洋電機株式会社 | 非水電解質二次電池用正極活物質、その正極活物質を用いた非水電解質二次電池用正極及びその正極を用いた非水電解質二次電池 |
WO2014049976A1 (ja) | 2012-09-28 | 2014-04-03 | 三洋電機株式会社 | 非水電解質二次電池 |
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US9608266B2 (en) * | 2007-01-29 | 2017-03-28 | Umicore | Cathode material for lithium-ion rechargeable batteries |
CN101621125B (zh) * | 2009-02-13 | 2011-03-30 | 成都晶元新材料技术有限公司 | 一种镍钴锰多元掺杂锂离子电池正极材料及其制备方法 |
CN102804459B (zh) * | 2010-03-19 | 2016-01-13 | 丰田自动车株式会社 | 锂二次电池和该锂二次电池用正极活性物质 |
KR101567039B1 (ko) * | 2012-12-13 | 2015-11-10 | 주식회사 에코프로 | 리튬 이차 전지용 양극활물질의 제조 방법 및 이에 의하여 제조된 리튬 이차 전지용 양극활물질 |
KR101794097B1 (ko) * | 2013-07-03 | 2017-11-06 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 양극 활물질, 이의 제조 방법, 그리고 이를 포함하는 리튬 이차 전지용 양극 및 리튬 이차 전지 |
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WO2011052607A1 (ja) | 2009-10-29 | 2011-05-05 | Agcセイミケミカル株式会社 | リチウムイオン二次電池用正極材料の製造方法 |
WO2012099265A1 (ja) | 2011-01-21 | 2012-07-26 | 三洋電機株式会社 | 非水電解質二次電池用正極活物質、その正極活物質を用いた非水電解質二次電池用正極及びその正極を用いた非水電解質二次電池 |
WO2014049976A1 (ja) | 2012-09-28 | 2014-04-03 | 三洋電機株式会社 | 非水電解質二次電池 |
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EP3713875A2 (en) | 2020-09-30 |
KR102627568B1 (ko) | 2024-01-23 |
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US20200365874A1 (en) | 2020-11-19 |
WO2019104099A2 (en) | 2019-05-31 |
CN111801299A (zh) | 2020-10-20 |
KR20200096549A (ko) | 2020-08-12 |
WO2019104099A3 (en) | 2019-07-25 |
JP2021504886A (ja) | 2021-02-15 |
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