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A kind of iron phthalocyanine/activated carbon li/socl 2 Preparation method of battery cathode catalyst material

A battery positive electrode and catalytic material technology, applied in battery electrodes, non-aqueous electrolyte batteries, circuits, etc., can solve the problems of short synthesis cycle, low cost, and good dispersion

Active Publication Date: 2021-06-04
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • A kind of iron phthalocyanine/activated carbon li/socl <sub>2</sub> Preparation method of battery cathode catalyst material
  • A kind of iron phthalocyanine/activated carbon li/socl <sub>2</sub> Preparation method of battery cathode catalyst material
  • A kind of iron phthalocyanine/activated carbon li/socl <sub>2</sub> Preparation method of battery cathode catalyst 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 rate of 10°C / min and kept for 0.5h; then the temperature was raised to 140°C at a 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 water for 12 hou...

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 rate of 5°C / min and kept for 0.5h; then the temperature was raised to 150°C at a 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 water for 8 hours e...

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Abstract

The invention discloses an iron phthalocyanine / activated carbon Li / SOCl 2 The preparation method of the positive electrode catalyst material of the battery comprises: taking phthalic anhydride and activated carbon and mixing them to obtain a mixture; taking urea, ammonium molybdate and ferrous ammonium sulfate hexahydrate and mixing them with the mixture, grinding them, then putting them into a ceramic crucible and Put it in a muffle furnace for sintering to obtain a sintered product; cool to room temperature, soak the sintered product, wash and filter, and dry to obtain iron phthalocyanine / activated carbon Li / SOCl 2 Catalyst material for battery positive electrode. The method has the advantages of good product dispersion, high purity, short synthesis cycle and low cost.

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 Patents(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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