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Composite oxide powder, method for producing composite oxide powder, method for producing solid electrolyte, and method for producing lithium ion secondary battery
Provided are: a composite oxide powder which enables the production of a dense solid electrolyte body having high ion conductivity; and a method for producing the composite oxide powder. The composite oxide powder is composed of particles containing lithium (Li), lanthanum (La), zirconium (Zr) and oxygen (O) and having a cubic garnet crystal structure, the 50% particle diameter (D50) in the volume particle size distribution of the composite oxide powder being 1000 nm or less, and the content ratio of a pyrochlore phase being 10 mass% or less.
本发明提供一种能够制作致密且高离子传导率的固体电解质体的复合氧化物粉末及其制造方法。所述复合氧化物粉末是由含有锂(Li)、镧(La)、锆(Zr)和氧(O)、且具有立方晶石榴石型晶体结构的粒子构成的复合氧化物粉末，所述复合氧化物粉末的体积粒度分布中的50％粒径(D50)为1000nm以下，且烧绿石相的含有比例为10质量％以下。
Composite oxide powder, method for producing composite oxide powder, method for producing solid electrolyte, and method for producing lithium ion secondary battery
Provided are: a composite oxide powder which enables the production of a dense solid electrolyte body having high ion conductivity; and a method for producing the composite oxide powder. The composite oxide powder is composed of particles containing lithium (Li), lanthanum (La), zirconium (Zr) and oxygen (O) and having a cubic garnet crystal structure, the 50% particle diameter (D50) in the volume particle size distribution of the composite oxide powder being 1000 nm or less, and the content ratio of a pyrochlore phase being 10 mass% or less.
本发明提供一种能够制作致密且高离子传导率的固体电解质体的复合氧化物粉末及其制造方法。所述复合氧化物粉末是由含有锂(Li)、镧(La)、锆(Zr)和氧(O)、且具有立方晶石榴石型晶体结构的粒子构成的复合氧化物粉末，所述复合氧化物粉末的体积粒度分布中的50％粒径(D50)为1000nm以下，且烧绿石相的含有比例为10质量％以下。
Composite oxide powder, method for producing composite oxide powder, method for producing solid electrolyte, and method for producing lithium ion secondary battery
复合氧化物粉末、复合氧化物粉末的制造方法、固体电解质体的制造方法以及锂离子二次电池的制造方法
YOSHIOKA HIDEKI (author) / MORI RYOHEI (author)
2022-05-06
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
C01G
Verbindungen der von den Unterklassen C01D oder C01F nicht umfassten Metalle
,
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
/
H01B
CABLES
,
Kabel
/
H01M
Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie
,
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
| European Patent Office | 2021
| European Patent Office | 2023
| European Patent Office | 2022
| European Patent Office | 2021
| European Patent Office | 2021