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Preparation method of iron phthalocyanine/activated carbon Li/SOCl2 battery positive electrode catalytic material

A battery positive electrode and catalytic material technology, which is applied in battery electrodes, non-aqueous electrolyte batteries, circuits, etc., can solve the problems of short synthesis cycle, good dispersion, and high purity, and achieve short synthesis cycle, easy process control, and high purity. Effect

Active Publication Date: 2020-04-24
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the methods used in the synthesis of metal phthalocyanine / carbon material composites in the current reports mainly include solid-phase method, microwave method and liquid-phase method, but these methods cannot meet the requirements of good dispersion, high purity, short synthesis cycle and low cost at the same time.

Method used

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  • Preparation method of iron phthalocyanine/activated carbon Li/SOCl2 battery positive electrode catalytic material
  • Preparation method of iron phthalocyanine/activated carbon Li/SOCl2 battery positive electrode catalytic material
  • Preparation method of iron phthalocyanine/activated carbon Li/SOCl2 battery positive electrode catalytic material

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Effect test

Embodiment 1

[0023] A kind of iron phthalocyanine / activated carbon Li / SOCl 2 A method for preparing a positive electrode catalyst material for a battery, comprising the following steps:

[0024] Step 1: Take 0.819g of phthalic anhydride and 0.1g of specific surface area of ​​1400m 2 / g of pitch coke activated carbon is placed in a glass mortar and mixed evenly to obtain a mixture;

[0025] Step 2: Put 0.6g of urea, 0.03g of ammonium molybdate and 0.5g of ferrous ammonium sulfate hexahydrate into a glass mortar and mix them with the mixture and grind them thoroughly, then put them into a ceramic crucible and place them in a muffle In the furnace, the temperature was raised from room temperature to 120°C at a heating rate of 10°C / min and kept for 0.5h; then the temperature was raised to 140°C at a heating rate of 5°C / min and kept for 0.1h; Sinter at 250°C and hold for 2 hours to obtain a sintered product;

[0026] Step 3: Cool to room temperature, soak the sintered product with deionized ...

Embodiment 2

[0028] A kind of iron phthalocyanine / activated carbon Li / SOCl 2 A method for preparing a positive electrode catalyst material for a battery, comprising the following steps:

[0029] Step 1: Take 0.819g of phthalic anhydride and 0.1g of specific surface area of ​​1400m 2 / g of pitch coke activated carbon is placed in a glass mortar and mixed evenly to obtain a mixture;

[0030] Step 2: Put 1.2g of urea, 0.12g of ammonium molybdate and 1g of ferrous ammonium sulfate hexahydrate into a glass mortar and mix them with the mixture and grind them thoroughly, then put them into a ceramic crucible and place them in a muffle furnace From room temperature to 120°C at a rate of 10°C / min and hold for 0.2h; then at a rate of 10°C / min to 130°C and hold for 0.1h; then at a rate of 10°C / min to 270 ℃ and keep it warm for 2h for sintering to obtain a sintered product;

[0031] Step 3: Cool to room temperature, soak the sintered product with deionized water for 12 hours each time, and change t...

Embodiment 3

[0036] A kind of iron phthalocyanine / activated carbon Li / SOCl 2 A method for preparing a positive electrode catalyst material for a battery, comprising the following steps:

[0037] Step 1: Take 0.41g of phthalic anhydride and 0.05g of specific surface area of ​​1400m 2 / g of pitch coke activated carbon is placed in a glass mortar and mixed evenly to obtain a mixture;

[0038] Step 2: Put 0.6g of urea, 0.03g of ammonium molybdate and 0.8g of ferrous ammonium sulfate hexahydrate into a glass mortar and mix them with the mixture and grind them thoroughly, then put them into a ceramic crucible and place them in a muffle In the furnace, the temperature was raised from room temperature to 125°C at a heating rate of 5°C / min and kept for 0.5h; then the temperature was raised to 150°C at a heating rate of 10°C / min and kept for 0.1h; Sinter at 260°C and hold for 1.5h to obtain a sintered product;

[0039] Step 3: Cool to room temperature, soak the sintered product with deionized wat...

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Abstract

The invention discloses a preparation method of an iron phthalocyanine / activated carbon Li / SOCl2 battery positive electrode catalytic material, which comprises the following steps: taking and mixing phthalic anhydride and activated carbon to obtain a mixture; taking and mixing urea, ammonium molybdate and ammonium ferrous sulfate hexahydrate with the mixture, grinding the obtained mixture, puttingthe ground mixture into a ceramic crucible, putting the ceramic crucible in a muffle furnace and carrying out sintering to obtain a sinter; and cooling the sinter to room temperature, cleaning and filtering the sinter after immersion cleaning, and drying the sinter to obtain the iron phthalocyanine / activated carbon Li / SOCl2 battery positive electrode catalytic material. The method has the advantages of good product dispersion degree, high purity, short synthesis period, low cost and the like.

Description

technical field [0001] The invention belongs to the technical field of lithium batteries, and relates to iron phthalocyanine / activated carbon Li / SOCl 2 A method for preparing a positive electrode catalyst material for a battery. Background technique [0002] Chemical power sources are favored by people in the modern society where electric energy is the main energy source. They have the characteristics of high energy conversion efficiency, high energy density, low pollution, and mobility. Lithium battery is the most widely used chemical power source and has a great variety of batteries, which has great application potential. Lithium batteries have attracted much attention due to their advantages of convenient and quick use, long storage life, low cost and high reliability. ([1] Huang Kelong, Wang Zhaoxiang, Liu Suqin, etc. Principles and key technologies of lithium-ion batteries [M]. Beijing: Chemical Industry Press, 2008.) [0003] Lithium-thionyl chloride batteries have ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/62H01M6/14
CPCH01M4/62H01M4/624H01M4/625H01M4/628H01M6/14
Inventor 许占位严皓黄剑锋孔硌杨军关伟伟王盈陈思雨
Owner SHAANXI UNIV OF SCI & TECH
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