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A kind of nickel metal hydride battery cathode material

A positive electrode material, nickel-metal hydride battery technology, applied in the direction of battery electrodes, nickel storage batteries, alkaline storage batteries, etc., can solve the problems that affect the application, poor low temperature performance, low battery output power, etc., to improve the utilization rate, improve the use performance and Large current discharge capability, effect of improving discharge potential and service life

Active Publication Date: 2016-03-02
砀山县纳方包装材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing Ni-MH battery is an aqueous electrolytic system, which has the problems of low discharge platform voltage and poor low-temperature performance during use; and, due to the low discharge platform voltage of the Ni-MH battery, the output power of the battery is low. When the Ni-MH battery is discharged at a high rate, the problem of low discharge platform voltage is particularly prominent, which affects its application in high-power power batteries

Method used

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  • A kind of nickel metal hydride battery cathode material

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Embodiment 1

[0023] A kind of positive electrode material of nickel-metal hydride battery, it is made up of the raw material of following parts by weight:

[0024] Active material 100, conductive agent 1, binder 6, additive 0.2;

[0025] The active material is composed of spherical nickel hydroxide, cobalt oxide, zinc oxide and magnesium hydroxide with a mass ratio of 100:10:2:0.1;

[0026] Described conductive agent is made up of nickel powder, carbon powder, graphite powder, cobalt powder that mass ratio is 100:50:20:3;

[0027] The adhesive is composed of carboxymethyl cellulose, polyethylene glycol 1000, bone glue and PTFE emulsion with a mass ratio of 20:4:3:1;

[0028] The additive is composed of molybdenum trioxide, cobaltous oxide, nickel oxide, neodymium oxide, ethyl orthosilicate, stearic acid, trimethylol with a mass ratio of 100:60:40:1:0.2:0.2:3. Base propane composition; The preparation method of described additive comprises the following steps:

[0029] Heat stearic acid ...

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Abstract

The invention discloses a nickel-hydrogen battery cathode material, which is composed of the following raw materials in parts by weight: active material 90-100, conductive agent 0.05-3, binder 6-10, additive 0.2-1; the invention Advanced battery cathode materials can effectively improve the utilization rate of nickel electroactive materials, improve the discharge potential and service life of nickel electrodes, and improve the performance and high-current discharge capacity of nickel electrodes in a wide temperature range.

Description

technical field [0001] The invention mainly relates to the battery field, in particular to a nickel-hydrogen battery positive electrode material. Background technique [0002] As a high-energy green rechargeable battery that is rapidly developing today, Ni-MH battery has been widely used in notebook computers, camcorders, digital cameras and electric bicycles by virtue of its advantages of high energy density, fast charge and discharge, long cycle life and no pollution. widely used. In order to promote the improvement of the performance of nickel-metal hydride batteries, the research on negative electrode hydrogen storage materials has never stopped; [0003] At present, nickel-metal hydride batteries are widely used due to their environmental protection, stable performance, and good adaptability under various conditions. However, the existing Ni-MH battery is an aqueous electrolytic system, which has the problems of low discharge platform voltage and poor low-temperature ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M4/48H01M4/52H01M4/62
CPCH01M4/62H01M4/622H01M4/624H01M10/30Y02E60/10
Inventor 翟恩宏
Owner 砀山县纳方包装材料有限公司
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