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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
To provide a composite oxide powder capable of producing a solid electrolyte having high density and high ionic conductivity, and a method for producing the same.SOLUTION: A composite oxide powder comprises lithium (Li), lanthanum (La), zirconium (Zr), and oxygen (O), and is composed of particles having a cubic garnet-type crystal structure, in which the particles further contain only gallium (Ga) as a dopant element, and the composite oxide powder has a 50% diameter (D50) of 1000 nm or less in the volume particle size distribution and a pyrochlore phase content of 10 mass% or less.SELECTED DRAWING: Figure 7
【課題】緻密で高イオン伝導度の固体電解質体を作製することができる複合酸化物粉末及びその製造方法を提供すること。【解決手段】リチウム（Ｌｉ）とランタン（Ｌａ）とジルコニウム（Ｚｒ）と酸素（Ｏ）とを含み、立方晶ガーネット型結晶構造を有する粒子で構成される複合酸化物粉末であって、前記粒子はドーパント元素としてガリウム（Ｇａ）のみをさらに含み、前記複合酸化物粉末は、その体積粒度分布における５０％径（Ｄ５０）が１０００ｎｍ以下であり、且つパイロクロア相の含有割合が１０質量％以下である複合酸化物粉末。【選択図】図７
COMPOSITE OXIDE POWDER, METHOD FOR PRODUCING COMPOSITE OXIDE POWDER, METHOD FOR PRODUCING SOLID ELECTROLYTE, AND METHOD FOR PRODUCING LITHIUM ION SECONDARY BATTERY
To provide a composite oxide powder capable of producing a solid electrolyte having high density and high ionic conductivity, and a method for producing the same.SOLUTION: A composite oxide powder comprises lithium (Li), lanthanum (La), zirconium (Zr), and oxygen (O), and is composed of particles having a cubic garnet-type crystal structure, in which the particles further contain only gallium (Ga) as a dopant element, and the composite oxide powder has a 50% diameter (D50) of 1000 nm or less in the volume particle size distribution and a pyrochlore phase content of 10 mass% or less.SELECTED DRAWING: Figure 7
【課題】緻密で高イオン伝導度の固体電解質体を作製することができる複合酸化物粉末及びその製造方法を提供すること。【解決手段】リチウム（Ｌｉ）とランタン（Ｌａ）とジルコニウム（Ｚｒ）と酸素（Ｏ）とを含み、立方晶ガーネット型結晶構造を有する粒子で構成される複合酸化物粉末であって、前記粒子はドーパント元素としてガリウム（Ｇａ）のみをさらに含み、前記複合酸化物粉末は、その体積粒度分布における５０％径（Ｄ５０）が１０００ｎｍ以下であり、且つパイロクロア相の含有割合が１０質量％以下である複合酸化物粉末。【選択図】図７
COMPOSITE OXIDE POWDER, METHOD FOR PRODUCING COMPOSITE OXIDE POWDER, METHOD FOR PRODUCING SOLID ELECTROLYTE, AND METHOD FOR PRODUCING LITHIUM ION SECONDARY BATTERY
複合酸化物粉末、複合酸化物粉末の製造方法、固体電解質体の製造方法、並びにリチウムイオン二次電池の製造方法
YOSHIOKA HIDEKI (author) / MORI RYOHEI (author)
2021-09-30
Patent
Electronic Resource
Japanese
IPC:
C01G
Verbindungen der von den Unterklassen C01D oder C01F nicht umfassten Metalle
,
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
/
C04B
Kalk
,
LIME
/
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
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