Lithium ion battery positive electrode material lithium ferric manganese phosphate material and preparation and processing equipment of lithium ion battery positive electrode material lithium ferric manganese phosphate material

Abstract

The invention relates to the technical field of nursery stocks, in particular to a lithium ion battery cathode material lithium ferric manganese phosphate material and preparation processing equipment thereof.The lithium ion battery cathode material lithium ferric manganese phosphate material is prepared from 70-100 parts of lithium iron phosphate, 5-10 parts of conductive material, 5-10 parts of binder, 5-10 parts of modified silver powder, 25-50 parts of deionized water, 1-3 parts of metal oxide, 2-5 parts of dispersing agent and 1-3 parts of low-temperature resistance material; the conductive material comprises a carbon conductive agent and a metal ion conductive agent, the ratio of the carbon conductive agent to the metal ion conductive agent is 1: 1, and the carbon conductive agent comprises one or more of carbon black, amorphous carbon, carbon nanotubes, carbon nanowires, carbon gel and graphene. The lithium iron phosphate battery has the beneficial effects that when the battery is used in a low-temperature environment, the resistance value of the low-temperature resistance material is increased due to temperature reduction, so that the calorific value of the lithium battery is increased, the lithium ion battery can be normally conductive due to temperature rise, and the lithium iron phosphate battery can continue to work.

Description

technical field [0001] The invention relates to the technical field of preparation of positive electrode materials for lithium electronic batteries, in particular to a lithium iron manganese phosphate material and a preparation and processing equipment for the positive electrode material of lithium electronic batteries. Background technique [0002] At present, lithium batteries have been widely used due to their advantages of lightness, high energy density, small self-discharge, long life, high discharge power and environmental protection. Lithium batteries include four major materials: positive electrode, negative electrode, separator and electrolyte. Materials are the most critical raw materials in lithium batteries, which determine the safety performance of batteries and whether the batteries can be large-scaled, accounting for about 30% of the cost of lithium battery cell materials. At present, the commonly used positive electrode materials are mainly lithium cobalt oxid...

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Problems solved by technology

[0005] The object of the present invention is to provide a lithium iron phosphate lithium iron manganese battery positive electrode material and its preparation and processing equipment to solve the problems of poor electrical conductivity and discontinuous production of the existing lithium iron phosphate battery proposed in the above background technology

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