Method for improving performance of nickel-cobalt-aluminum-lithium oxide for lithium ion power battery
The invention discloses a method for improving the performance of nickel-cobalt-aluminum-lithium oxide for a lithium ion power battery. According to the method, an organic titanate is adopted as a titanium source, the surface of nickel-cobalt-aluminum-lithium oxide is clad with titanium dioxide by v...
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Format | Patent |
Language | English |
Published |
15.07.2015
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Abstract | The invention discloses a method for improving the performance of nickel-cobalt-aluminum-lithium oxide for a lithium ion power battery. According to the method, an organic titanate is adopted as a titanium source, the surface of nickel-cobalt-aluminum-lithium oxide is clad with titanium dioxide by virtue of liquid-phase chemical deposition, and then the cladding layer is partially nitrided to form a Ti-O-N cladding layer on the surface of nickel-cobalt-aluminum-lithium oxide. The cladding layer can be well bonded with nickel-cobalt-aluminum-lithium oxide; the direct contact between an active substance and an electrolyte is reduced, the electron conductivity between material particles can be improved, and the performance of the material can be improved. |
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AbstractList | The invention discloses a method for improving the performance of nickel-cobalt-aluminum-lithium oxide for a lithium ion power battery. According to the method, an organic titanate is adopted as a titanium source, the surface of nickel-cobalt-aluminum-lithium oxide is clad with titanium dioxide by virtue of liquid-phase chemical deposition, and then the cladding layer is partially nitrided to form a Ti-O-N cladding layer on the surface of nickel-cobalt-aluminum-lithium oxide. The cladding layer can be well bonded with nickel-cobalt-aluminum-lithium oxide; the direct contact between an active substance and an electrolyte is reduced, the electron conductivity between material particles can be improved, and the performance of the material can be improved. |
Author | XU NING WU MENGTAO FU PINGPING ZHAO MING SONG YINGJIE |
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Snippet | The invention discloses a method for improving the performance of nickel-cobalt-aluminum-lithium oxide for a lithium ion power battery. According to the... |
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SubjectTerms | BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY |
Title | Method for improving performance of nickel-cobalt-aluminum-lithium oxide for lithium ion power battery |
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