Positive plate for high-rate, long-cycle and high-safety lithium battery as well as preparation method and application of positive plate

Positive plate for high-rate, long-cycle and high-safety lithium battery as well as preparation method and application of positive plate

The invention discloses a positive plate for a lithium battery and a preparation method of the positive plate. The positive plate comprises a current collector and a positive electrode material layer located on the surface of the current collector, wherein the positive electrode material layer furth...

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Hauptverfasser: DING QIUFENG, WANG JIAJIA, YANG QI, GUO LUXIN, QIU JILIANG, YU HUIGEN
Format: Patent
Sprache:chi ; eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator DING QIUFENG
WANG JIAJIA
YANG QI
GUO LUXIN
QIU JILIANG
YU HUIGEN
description The invention discloses a positive plate for a lithium battery and a preparation method of the positive plate. The positive plate comprises a current collector and a positive electrode material layer located on the surface of the current collector, wherein the positive electrode material layer further comprises a first component and a second component. The first component is selected from one or more of LiM12 (PO4) 3, Li1 + xAlxTi2x (PO4) 3 and Li1 + xAlxGe2x (PO4) 3, M1 is one of Ti, Ge, Zr and Hf, and x is more than 0 and less than 0.6; the second component is selected from at least one or a combination of more of M1O2, Li16-4yM1yO8, M1P2O7, M2PO4, M32SiO5, M23 (PO4) 2 and M32SiO4, M2 and M3 are one of Al, Ga, Sc, Y, Ca, Sr, Zn, Si, In, Lu, La, Fe, Cr and Ge, and 3lt; yt; Yt; 4. And the mixed component of the first component and the second component in the positive electrode material layer is dispersed among the positive electrode active material particles. The lithium battery comprising the positive electr
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The positive plate comprises a current collector and a positive electrode material layer located on the surface of the current collector, wherein the positive electrode material layer further comprises a first component and a second component. The first component is selected from one or more of LiM12 (PO4) 3, Li1 + xAlxTi2x (PO4) 3 and Li1 + xAlxGe2x (PO4) 3, M1 is one of Ti, Ge, Zr and Hf, and x is more than 0 and less than 0.6; the second component is selected from at least one or a combination of more of M1O2, Li16-4yM1yO8, M1P2O7, M2PO4, M32SiO5, M23 (PO4) 2 and M32SiO4, M2 and M3 are one of Al, Ga, Sc, Y, Ca, Sr, Zn, Si, In, Lu, La, Fe, Cr and Ge, and 3lt; yt; Yt; 4. And the mixed component of the first component and the second component in the positive electrode material layer is dispersed among the positive electrode active material particles. 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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Positive plate for high-rate, long-cycle and high-safety lithium battery as well as preparation method and application of positive plate
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