A bamboo structure mn 2 o 3 preparation method

A bamboo joint and solution technology, applied in the field of materials science, can solve the problems of unfavorable high-power charging and discharging, low specific capacity of manganese oxide, etc., and achieve the effects of improving the effective utilization rate, facilitating industrial production and simple operation.

Inactive Publication Date: 2017-08-25
SHANGHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Aiming at the above technical problems in the prior art, the invention provides a bamboo structure Mn 2 o 3 The preparation method, described this bamboo structure Mn 2 o 3 The preparation method should solve the technical problem that the manganese oxide prepared by the method in the prior art has a low specific capacity and is unfavorable for high-power charging and discharging

Method used

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  • A bamboo structure mn <sub>2</sub> o <sub>3</sub> preparation method
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Embodiment 1

[0022] The invention provides a bamboo structure Mn 2 o 3 A preparation method comprising the steps of:

[0023] 1) The step of preparing the rod-shaped metal-organic framework material Mn-MOF precursor by the directing agent-assisted solvent volatilization method; including the following steps:

[0024] a) Dissolving trimesic acid in an ethanol solution with a volume fraction of 50%, is prepared into a trimesic acid solution whose solution concentration is 0.04mol / L;

[0025] b) dissolving manganese acetate tetrahydrate in an ethanol solution with a volume fraction of 50%, so that the solution concentration is 0.02mol / L;

[0026] c) then take the guiding agent, described guiding agent is polyvinylpyrrolidone, polyethylene glycol 600, emulsifier alkyl polyoxyethylene (10) ether (OP-10), its quality is 3% of manganese acetate solution ; Wherein, the mass ratio of polyvinylpyrrolidone, polyethylene glycol 600 and emulsifier alkyl polyoxyethylene (10) ether (OP-10) three is 2:...

Embodiment 2

[0031] The invention provides a bamboo structure Mn 2 o 3 A preparation method comprising the steps of:

[0032] 1) The step of preparing the rod-shaped metal-organic framework material Mn-MOF precursor by the directing agent-assisted solvent volatilization method; including the following steps:

[0033] a) Dissolving trimesic acid in an ethanol solution with a volume fraction of 50%, is prepared into a trimesic acid solution whose solution concentration is 0.04mol / L;

[0034] b) dissolving manganese acetate tetrahydrate in an ethanol solution with a volume fraction of 50%, so that the solution concentration is 0.02mol / L;

[0035] c) then take the guiding agent, described guiding agent is polyvinylpyrrolidone, polyethylene glycol 600, emulsifier alkyl polyoxyethylene (10) ether (OP-10), its quality is 3% of manganese acetate solution ; Wherein, the mass ratio of polyvinylpyrrolidone, polyethylene glycol 600 and emulsifier alkyl polyoxyethylene (10) ether (OP-10) three is 2:...

Embodiment 3

[0040] The invention provides a bamboo structure Mn 2 o 3 A preparation method comprising the steps of:

[0041] 1) The step of preparing the rod-shaped metal-organic framework material Mn-MOF precursor by the directing agent-assisted solvent volatilization method; including the following steps:

[0042] a) Dissolving trimesic acid in an ethanol solution with a volume fraction of 50%, is prepared into a trimesic acid solution whose solution concentration is 0.04mol / L;

[0043] b) dissolving manganese acetate tetrahydrate in an ethanol solution with a volume fraction of 50%, so that the solution concentration is 0.02mol / L;

[0044] c) then take the guiding agent, described guiding agent is polyvinylpyrrolidone, polyethylene glycol 600, emulsifier alkyl polyoxyethylene (10) ether (OP-10), its quality is 3% of manganese acetate solution ; Wherein, the mass ratio of polyvinylpyrrolidone, polyethylene glycol 600 and emulsifier alkyl polyoxyethylene (10) ether (OP-10) three is 2:...

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Abstract

The invention provides a preparation method of bamboo joint structure Mn2O3. According to the method, at first, rod-metal organic framework material Mn-MOF precursors are prepared by a guide agent assisting solvent volatilization method; then, in the air environment, the Mn-MOF precursors are calcined; the calcining temperature is controlled to be 400 to 650 DEG C; the time is 2 to 4h; finally, the materials are cooled to the room temperature along with the furnace temperature; the bamboo joint structure Mn2O3 nanometer structure materials can be obtained. The method provided by the invention has the advantages that the operation is simple; the process cost is low; the appearance is regular; the product stability is high, and the like. The industrial production is facilitated. The bamboo joint structure Mn2O3 nanometer structure material obtained by the method has the advantages of good conductivity and great specific surface area; the electrode resistance can be favorably reduced; the materials can be used for supercapacitor electrode materials.

Description

technical field [0001] The invention belongs to the field of materials science, and relates to an electrode material for a supercapacitor, specifically a bamboo structure Mn 2 o 3 method of preparation. Background technique [0002] With the further development of society, environmental and energy issues are becoming more and more prominent. Therefore, there is an urgent need for an environmentally friendly and sustainable form of energy storage. As a new type of clean energy components, supercapacitors have a very wide range of applications and a huge potential market, and have also attracted extensive attention from governments and enterprises in various countries. According to different energy storage principles, supercapacitors can be divided into electric double layer capacitors and pseudocapacitors. The electrode materials of pseudocapacitors include metal oxides and conductive polymers. As a typical representative of metal oxides, the preparation method, structura...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G45/02B82Y40/00
CPCC01G45/02C01P2002/72C01P2004/03C01P2006/40
Inventor 张建勇丁艳花张小磊史军霞张娜房永征
Owner SHANGHAI INST OF TECH
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