Yang-Kook SUN

Person

Seoul, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Positive active material, method of preparing the same, and lithium...
- Patent number 11,894,557
- Issue date Feb 6, 2024
- BATTERY SOLUTION
- Yang-Kook Sun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal-doped cathode active material for sodium secondary battery, m...
- Patent number 11,437,617
- Issue date Sep 6, 2022
- Industry-University Cooperation Foundation Hanyang University
- Yang Kook Sun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Positive electrode for metal-sulfur battery, manufacturing method t...
- Patent number 11,367,867
- Issue date Jun 21, 2022
- Industry-University Cooperation Foundation Hanyang University
- Yang Kook Sun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low-polarization lithium oxygen battery
- Patent number 11,271,265
- Issue date Mar 8, 2022
- Bayerische Motoren Werke Aktiengesellschaft
- Giuseppe Antonio Elia
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode active material, method for manufacturing same, and lithium...
- Patent number 11,258,064
- Issue date Feb 22, 2022
- IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
- Yang-Kook Sun
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Positive electrode active material precursor for lithium secondary...
- Patent number 10,950,856
- Issue date Mar 16, 2021
- IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
- Gang-Jun Park
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Positive electrode active material and secondary battery comprising...
- Patent number 10,930,922
- Issue date Feb 23, 2021
- Industry-University Cooperation Foundation Hanyang University
- Yang-Kook Sun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Positive electrode active material, method for manufacturing same,...
- Patent number 10,879,532
- Issue date Dec 29, 2020
- IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
- Yang-Kook Sun
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Positive electrode active material, method for manufacturing same,...
- Patent number 10,797,318
- Issue date Oct 6, 2020
- IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
- Yang-Kook Sun
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Manufacturing method of positive active material precursor for sodi...
- Patent number 10,781,110
- Issue date Sep 22, 2020
- IUCF-HYU(Industry-University Cooperation Foundation Hanyang University)
- Yang Kook Sun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode active material, method for manufacturing same, and lithium...
- Patent number 10,763,505
- Issue date Sep 1, 2020
- IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
- Yang-Kook Sun
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
High energy lithium ion secondary battery with improved lifetime an...
- Patent number 10,714,747
- Issue date Jul 14, 2020
- Bayerische Motoren Werke Aktiengesellschaft
- Sung-Jin Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Positive electrode active material for lithium secondary battery
- Patent number 10,707,480
- Issue date Jul 7, 2020
- IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
- Hyung-Joo Noh
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Lithium-air battery
- Patent number 10,693,204
- Issue date Jun 23, 2020
- Bayerische Motoren Werke Aktiengesellschaft
- Giuseppe Antonio Elia
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for preparing transition metal composite oxide, transition m...
- Patent number 10,629,903
- Issue date Apr 21, 2020
- IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
- Yang-Kook Sun
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Cathode for metal-sulfur battery having cathode active material lay...
- Patent number 10,593,951
- Issue date Mar 17, 2020
- IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
- Yang-Kook Sun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Positive electrode active material for lithium secondary battery
- Patent number 10,490,809
- Issue date Nov 26, 2019
- IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
- Hyung-Joo Noh
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Double-layer cathode active materials for lithium secondary batteri...
- Patent number 10,454,106
- Issue date Oct 22, 2019
- IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
- Yang Kook Sun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Olivine-type cathode active material precursor for lithium battery,...
- Patent number 10,388,954
- Issue date Aug 20, 2019
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNVERSITY)
- Yang-Kook Sun
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Positive active material composition for lithium battery, method of...
- Patent number 10,367,197
- Issue date Jul 30, 2019
- Industry-University Cooperation Foundation Hanyang University
- Yang-Kook Sun
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Positive electrode active material precursor for lithium secondary...
- Patent number 10,283,757
- Issue date May 7, 2019
- IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
- Hyung-Joo Noh
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Cathode active material for lithium battery and method of manufactu...
- Patent number 10,270,089
- Issue date Apr 23, 2019
- IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
- Yang-Kook Sun
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Positive electrode active material precursor for lithium secondary...
- Patent number 10,224,541
- Issue date Mar 5, 2019
- IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
- Gang-Jun Park
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for manufacturing a lithiated metal-carbon composite electro...
- Patent number 9,985,326
- Issue date May 29, 2018
- IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
- Yang-Kook Sun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode active material for lithium secondary battery, method for m...
- Patent number 9,728,783
- Issue date Aug 8, 2017
- INDUSTRY-UNIVERSITY COOPERATION FONDATION HANYANG UNIVERSITY
- Yang-Kook Sun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rechargeable battery comprising non-aqueous electrolytic solution u...
- Patent number 9,705,158
- Issue date Jul 11, 2017
- IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
- Yang Kook Sun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Olivine-type cathode active material precursor for lithium battery,...
- Patent number 9,570,746
- Issue date Feb 14, 2017
- IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
- Yang-Kook Sun
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Positive active material precursor for rechargeable lithium battery...
- Patent number 9,570,743
- Issue date Feb 14, 2017
- Industry-University Cooperation Foundation Hanyang University
- Yang-Kook Sun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3V class spinel complex oxides as cathode active materials for lith...
- Patent number 9,553,313
- Issue date Jan 24, 2017
- IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
- Yang Kook Sun
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Lithium-oxygen batteries incorporating lithium superoxide
- Patent number 9,553,316
- Issue date Jan 24, 2017
- UChicago Argonne, LLC
- Jun Lu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRODE ACTIVE MATERIALS AND METHOD FOR THEIR MANUFACTURE
- Publication number 20230223528
- Publication date Jul 13, 2023
- BASF SE
- Benjamin Johannes Herbert BERGNER
- C01 - INORGANIC CHEMISTRY
Information Patent Application
POSITIVE ELECTRODE ACTIVE MATERIAL HAVING ULTRA-FINE CRYSTAL GRAINS...
- Publication number 20230065977
- Publication date Mar 2, 2023
- BATTERY SOLUTION
- Yang-Kook SUN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FLUORINE-CONTAINING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM...
- Publication number 20230047820
- Publication date Feb 16, 2023
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Yang-Kook SUN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POSITIVE ELECTRODE ACTIVE MATERIAL HAVING SURFACE PORTION DOPED WIT...
- Publication number 20220328821
- Publication date Oct 13, 2022
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Yang-Kook SUN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR M...
- Publication number 20220271283
- Publication date Aug 25, 2022
- BATTERY SOLUTION
- Yang-Kook SUN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOSITE METAL OXIDE FOR LITHIUM SECONDARY BATTERY COMPRISING DOPI...
- Publication number 20220166016
- Publication date May 26, 2022
- BATTERY SOLUTION
- Yang-Kook SUN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING SAME
- Publication number 20220020982
- Publication date Jan 20, 2022
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Yang-Kook SUN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METAL-DOPED CATHODE ACTIVE MATERIAL FOR SODIUM SECONDARY BATTERY, M...
- Publication number 20210367234
- Publication date Nov 25, 2021
- Industry-University Cooperation Foundation Hanyang University
- Yang Kook SUN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POSITIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM...
- Publication number 20200403239
- Publication date Dec 24, 2020
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Yang-Kook SUN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POSITIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM...
- Publication number 20200403240
- Publication date Dec 24, 2020
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Yang-Kook SUN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CATHODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME, AND LITHIUM...
- Publication number 20200358097
- Publication date Nov 12, 2020
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Yang-Kook SUN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POSITIVE ELECTRODE FOR METAL-SULFUR BATTERY, MANUFACTURING METHOD T...
- Publication number 20200350564
- Publication date Nov 5, 2020
- Industry-University Cooperation Foundation Hanyang University
- Yang Kook SUN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTROLYTE AND LITHIUM-SULFUR BATTERY COMPRISING SAME
- Publication number 20200194834
- Publication date Jun 18, 2020
- IUCF-HYU(Industry-University Cooperation Foundation Hanyang University)
- Yang-Kook SUN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LOW-POLARIZATION LITHIUM OXYGEN BATTERY
- Publication number 20200176839
- Publication date Jun 4, 2020
- Bayerische Motoren Werke Aktiengesellschaft
- Giuseppe Antonio Elia
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CATHODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME, AND LITHIUM...
- Publication number 20200161651
- Publication date May 21, 2020
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Yang-Kook SUN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR FOR LITHIUM SECONDARY...
- Publication number 20190148721
- Publication date May 16, 2019
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Gang-Jun Park
- C01 - INORGANIC CHEMISTRY
Information Patent Application
CATHODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME, AND LITHIUM...
- Publication number 20190067694
- Publication date Feb 28, 2019
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Yang-Kook SUN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME,...
- Publication number 20190044140
- Publication date Feb 7, 2019
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Yang-Kook SUN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME,...
- Publication number 20190044141
- Publication date Feb 7, 2019
- IUCF-HYU(Industry-University Cooperation Foundation Hanyang University)
- Yang-Kook SUN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME,...
- Publication number 20190044142
- Publication date Feb 7, 2019
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Yang-Kook SUN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MANUFACTURING METHOD OF POSITIVE ACTIVE MATERIAL PRECURSOR FOR SODI...
- Publication number 20180273396
- Publication date Sep 27, 2018
- IUCF-HYU(Industry-University Cooperation Foundation Hanyang University)
- Yang Kook SUN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
ELECTRODE MATERIAL AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20180261836
- Publication date Sep 13, 2018
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Yang-Kook SUN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
High Energy Lithium Ion Secondary Battery with Improved Lifetime an...
- Publication number 20180175387
- Publication date Jun 21, 2018
- Bayerische Motoren Werke Aktiengesellschaft
- Sung-Jin Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CATHODE FOR METAL-SULFER BATTERY HAVING CATHODE ACTIVE MATERIAL LAY...
- Publication number 20170358800
- Publication date Dec 14, 2017
- Industry-University Cooperation Foundation Hanyang University
- Yang-Kook SUN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Lithium-Air Battery
- Publication number 20170149106
- Publication date May 25, 2017
- Bayerische Motoren Werke Aktiengesellschaft
- Giuseppe Antonio ELIA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OLIVINE-TYPE CATHODE ACTIVE MATERIAL PRECURSOR FOR LITHIUM BATTERY,...
- Publication number 20170110731
- Publication date Apr 20, 2017
- IUC F-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNVERSITY)
- Yang-Kook SUN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LITHIUM-OXYGEN BATTERIES INCORPORATING LITHIUM SUPEROXIDE
- Publication number 20160285107
- Publication date Sep 29, 2016
- Jun Lu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR FOR LITHIUM SECONDARY...
- Publication number 20160218350
- Publication date Jul 28, 2016
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Hyung-Joo NOH
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PREPARING TRANSITION METAL COMPOSITE OXIDE, TRANSITION M...
- Publication number 20160190579
- Publication date Jun 30, 2016
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Yang-Kook SUN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LITHIUM COMPOSITE OXIDE AND MANUFACTURING METHOD THEREFOR
- Publication number 20160190573
- Publication date Jun 30, 2016
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATI ON HANYANG UNIVERSITY)
- Yang-Kook SUN
- H01 - BASIC ELECTRIC ELEMENTS

Yang-Kook SUN

Person

Patents Grantslast 30 patents

Positive active material, method of preparing the same, and lithium...

Metal-doped cathode active material for sodium secondary battery, m...

Positive electrode for metal-sulfur battery, manufacturing method t...

Low-polarization lithium oxygen battery

Cathode active material, method for manufacturing same, and lithium...

Positive electrode active material precursor for lithium secondary...

Positive electrode active material and secondary battery comprising...

Positive electrode active material, method for manufacturing same,...

Positive electrode active material, method for manufacturing same,...

Manufacturing method of positive active material precursor for sodi...

Cathode active material, method for manufacturing same, and lithium...

High energy lithium ion secondary battery with improved lifetime an...

Positive electrode active material for lithium secondary battery

Lithium-air battery

Method for preparing transition metal composite oxide, transition m...

Cathode for metal-sulfur battery having cathode active material lay...

Positive electrode active material for lithium secondary battery

Double-layer cathode active materials for lithium secondary batteri...

Olivine-type cathode active material precursor for lithium battery,...

Positive active material composition for lithium battery, method of...

Positive electrode active material precursor for lithium secondary...

Cathode active material for lithium battery and method of manufactu...

Positive electrode active material precursor for lithium secondary...

Method for manufacturing a lithiated metal-carbon composite electro...

Cathode active material for lithium secondary battery, method for m...

Rechargeable battery comprising non-aqueous electrolytic solution u...

Olivine-type cathode active material precursor for lithium battery,...

Positive active material precursor for rechargeable lithium battery...

3V class spinel complex oxides as cathode active materials for lith...

Lithium-oxygen batteries incorporating lithium superoxide

Patents Applicationslast 30 patents

ELECTRODE ACTIVE MATERIALS AND METHOD FOR THEIR MANUFACTURE

POSITIVE ELECTRODE ACTIVE MATERIAL HAVING ULTRA-FINE CRYSTAL GRAINS...

FLUORINE-CONTAINING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM...

POSITIVE ELECTRODE ACTIVE MATERIAL HAVING SURFACE PORTION DOPED WIT...

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR M...

COMPOSITE METAL OXIDE FOR LITHIUM SECONDARY BATTERY COMPRISING DOPI...

CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING SAME

METAL-DOPED CATHODE ACTIVE MATERIAL FOR SODIUM SECONDARY BATTERY, M...

POSITIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM...

POSITIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM...

CATHODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME, AND LITHIUM...

POSITIVE ELECTRODE FOR METAL-SULFUR BATTERY, MANUFACTURING METHOD T...

ELECTROLYTE AND LITHIUM-SULFUR BATTERY COMPRISING SAME

LOW-POLARIZATION LITHIUM OXYGEN BATTERY

CATHODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME, AND LITHIUM...

POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR FOR LITHIUM SECONDARY...

CATHODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME, AND LITHIUM...

POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME,...

POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME,...

POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME,...

MANUFACTURING METHOD OF POSITIVE ACTIVE MATERIAL PRECURSOR FOR SODI...

ELECTRODE MATERIAL AND METHOD FOR MANUFACTURING THE SAME

High Energy Lithium Ion Secondary Battery with Improved Lifetime an...

CATHODE FOR METAL-SULFER BATTERY HAVING CATHODE ACTIVE MATERIAL LAY...

Lithium-Air Battery

OLIVINE-TYPE CATHODE ACTIVE MATERIAL PRECURSOR FOR LITHIUM BATTERY,...

LITHIUM-OXYGEN BATTERIES INCORPORATING LITHIUM SUPEROXIDE

POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR FOR LITHIUM SECONDARY...

METHOD FOR PREPARING TRANSITION METAL COMPOSITE OXIDE, TRANSITION M...

LITHIUM COMPOSITE OXIDE AND MANUFACTURING METHOD THEREFOR