High-rate nickel-hydrogen power battery and preparation method thereof

High-rate nickel-hydrogen power battery and preparation method thereof

The invention belongs to the technical field of nickel-metal hydride battery preparation, and discloses a high-rate nickel-metal hydride power battery and a preparation method thereof.According to the preparation method, proper positive and negative electrode matrixes are selected, meanwhile, a blan...

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Hauptverfasser: DU JIUZHONG, YANG HENGXUE
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 DU JIUZHONG
YANG HENGXUE
description The invention belongs to the technical field of nickel-metal hydride battery preparation, and discloses a high-rate nickel-metal hydride power battery and a preparation method thereof.According to the preparation method, proper positive and negative electrode matrixes are selected, meanwhile, a blank edge is arranged on a positive plate of the nickel-metal hydride battery, and a copper net sawtooth edge is arranged on a negative plate, so that the conductive area is increased, and the internal resistance of the battery is reduced; the positive electrode material comprises the following components in parts by mass: 68-72 parts of nickel hydroxide, 18-22 parts of cobalt-coated spherical nickel, 3-8 parts of cobaltous oxide, 1-3 parts of ytterbium oxide and 0.05-1 part of a binder; hydrogen storage alloy powder with the cobalt content of 6% is adopted as a negative electrode material, so that the rate capability and the cycle performance of the nickel-metal hydride battery are remarkably improved by improving th
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title High-rate nickel-hydrogen power battery and preparation method thereof
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