RU2006118158A - Твердая фаза синтеза смеси оксидов лития, никеля, кобальта и марганца для использования их в качестве катодного материала для литий-ионных аккумуляторов - Google Patents

Твердая фаза синтеза смеси оксидов лития, никеля, кобальта и марганца для использования их в качестве катодного материала для литий-ионных аккумуляторов Download PDF

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RU2006118158A
RU2006118158A RU2006118158/15A RU2006118158A RU2006118158A RU 2006118158 A RU2006118158 A RU 2006118158A RU 2006118158/15 A RU2006118158/15 A RU 2006118158/15A RU 2006118158 A RU2006118158 A RU 2006118158A RU 2006118158 A RU2006118158 A RU 2006118158A
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process according
lithium
transition metal
lithium oxide
nickel
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Кевин В. ЭБЕРМАН (US)
Кевин В. ЭБЕРМАН
Джером Е. СКАНЛАН (US)
Джером Е. СКАНЛАН
Крис Дж. ГУДБРЕЙК (US)
Крис Дж. ГУДБРЕЙК
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ЗМ Инновейтив Пропертиз Компани (US)
Зм Инновейтив Пропертиз Компани
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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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    • C01—INORGANIC CHEMISTRY
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    • C01G45/12—Manganates manganites or permanganates
    • C01G45/1221—Manganates or manganites with a manganese oxidation state of Mn(III), Mn(IV) or mixtures thereof
    • C01G45/1228—Manganates or manganites with a manganese oxidation state of Mn(III), Mn(IV) or mixtures thereof of the type [MnO2]n-, e.g. LiMnO2, Li[MxMn1-x]O2
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
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    • C01G51/40—Cobaltates
    • C01G51/42—Cobaltates containing alkali metals, e.g. LiCoO2
    • C01G51/44—Cobaltates containing alkali metals, e.g. LiCoO2 containing manganese
    • C01G51/50—Cobaltates containing alkali metals, e.g. LiCoO2 containing manganese of the type [MnO2]n-, e.g. Li(CoxMn1-x)O2, Li(MyCoxMn1-x-y)O2
    • C—CHEMISTRY; METALLURGY
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    • C—CHEMISTRY; METALLURGY
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    • C01G53/00—Compounds of nickel
    • C01G53/40—Nickelates
    • 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
    • H—ELECTRICITY
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    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
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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
    • H01M4/50—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
    • C—CHEMISTRY; METALLURGY
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    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
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    • C01P2002/52—Solid solutions containing elements as dopants
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    • H01M10/052—Li-accumulators
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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Claims (21)

1. Процесс получения однофазных композиций окиси лития - переходного металла, содержащих кобальт, марганец и никель, включающий:
a) мокрый размол оксидов, содержащих кобальт, марганец, никель и литий, или их предшественников для получения тонко измельченной пульпы, содержащей равномерно распределенные кобальт, марганец, никель и литий, и
b) нагрев пульпы для получения композиции окиси лития - переходного металла, содержащей кобальт, марганец и никель, а также имеющей в основном однофазную кристаллическую структуру O3.
2. Процесс по п.1, отличающийся тем, что при его осуществлении для мокрого измеренного значения используется вода.
3. Процесс по п.1, отличающийся тем, что включает измельчение пульпы до тех пор, пока средний диаметр ее частиц не станет меньше 0,3 мкм.
4. Процесс по п.1, отличающийся тем, что включает измельчение пульпы до тех пор, пока средний диаметр ее частиц не станет меньше 0,1 мкм.
5. Процесс по п.1, отличающийся тем, что включает измельчение порошков с использованием керамической среды.
6. Процесс по п.1, отличающийся тем, что прекурсоры включают один или большее число карбонатов.
7. Процесс по п.6, отличающийся тем, что, по крайней мере, один предшественник включает карбонат марганца или никеля.
8. Процесс по п.1, отличающийся тем, что включает совместное измельчение эквимолярных количеств окислов, которые содержат марганец и никель, или прекурсоров оксидов.
9. Процесс по п.1, отличающийся тем, что включает нагревание пульпы со скоростью 10°С / мин до температуры не менее 800°С.
10. Процесс по п.1, отличающийся тем, что включает нагревание пульпы до температуры 1050°С или ниже.
11. Процесс по п.1, отличающийся тем, что состав окиси лития - переходного металла выбирается из композиций, представленных формулой Lia[Cox(Ni1/2Mn1/2)1-x]O2, где 0≤а≤1,2 и 0,1≤х≤0,98.
12. Процесс по п.1, отличающийся тем, что состав окисла лития - переходного металла может быть представлен приблизительной формулой Li(CO(0,8)Mn0,1Ni0,1O2.
13. Процесс по п.1, отличающийся тем, что состав окиси лития - переходного металла может быть представлен приблизительной формулой Li(CO(1/3)Mn(1/3)Ni(1/3)O2.
14. Процесс по п.1, отличающийся тем, что состав окиси лития - переходного металла может быть представлен приблизительной формулой Li(Li0,08Co0,15Mn0,375Ni0,375)O2.
15. Процесс по п.1, отличающийся тем, что дополнительно включает смешивание частиц окиси лития - переходного металла с проводящим углеродом, вяжущим и покрытием конечной смеси на поддерживающей подложке для получения катода из окисла лития - переходного металла.
16. Процесс по п.15, отличающийся тем, что дополнительно включает размещение катода, электрически совместимого анода, сепаратора и электролита в контейнере для получения литий-ионного аккумулятора.
17. Процесс по п.16, отличающийся тем, что емкость аккумулятора незначительно снижается после цикла зарядки и разрядки аккумулятора до напряжения от 4,4 до 2,5 В на протяжении не менее 100 циклов при скорости разрядки 75 мА/г.
18. Композиции окисей лития - переходного металла, имеющих формулу
LiaCobMncNi1-b-cO2,
где 0≤а≤1,2; 0,52<b≤0,98; 0,01≤с≤0,47 и 0,53<b+с≤0,99
19. Композиция окиси лития - переходного металла, имеющая в основном состав, выбираемый из группы, включающей однофазные композиции: LiNi0,1Mn0,1Co0,8O2, Li(Co(1/3)Mn(1/3)Ni(1/3)O2 и Li(Li0,08Co0,l5Mn0,375Ni0,375)O2.
20. Литий-ионный аккумулятор, включающий, по крайней мере, одну окись лития - переходного металла по п.18.
21. Литий-ионный аккумулятор, включающий, по крайней мере, одну окись лития - переходного металла по п.19.
RU2006118158/15A 2003-11-26 2004-10-20 Твердая фаза синтеза смеси оксидов лития, никеля, кобальта и марганца для использования их в качестве катодного материала для литий-ионных аккумуляторов RU2006118158A (ru)

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US10/723,511 2003-11-26
US10/723,511 US7211237B2 (en) 2003-11-26 2003-11-26 Solid state synthesis of lithium ion battery cathode material

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US (2) US7211237B2 (ru)
EP (1) EP1689681A1 (ru)
JP (1) JP2007515366A (ru)
KR (1) KR101206128B1 (ru)
CN (1) CN100526222C (ru)
BR (1) BRPI0416961A (ru)
CA (1) CA2546889A1 (ru)
RU (1) RU2006118158A (ru)
WO (1) WO2005056480A1 (ru)
ZA (1) ZA200605223B (ru)

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JP4762174B2 (ja) * 2007-03-02 2011-08-31 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およびその製造方法、ならびに非水系電解質二次電池

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US20070202407A1 (en) 2007-08-30
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US7211237B2 (en) 2007-05-01
CN1886343A (zh) 2006-12-27
CN100526222C (zh) 2009-08-12
KR20060097734A (ko) 2006-09-14
US7488465B2 (en) 2009-02-10
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