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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Main Authors XU NING, ZHAO MING, FU PINGPING, SONG YINGJIE, WU MENGTAO
Format Patent
LanguageEnglish
Published 15.07.2015
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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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.
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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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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