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Aluminum-antimony-alloy-doped composite active carbon electrode material and preparation method thereof

A technology of composite activated carbon and electrode materials, which is applied in the manufacture of hybrid capacitor electrodes and hybrid/electric double layer capacitors. The effect of large capacitance and specific surface area

Inactive Publication Date: 2015-08-26
ANHUI JIANGWEI PRECISION IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the main problem faced by supercapacitors is the relatively low energy density.

Method used

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Embodiment Construction

[0011] specific implementation plan

[0012] The present invention will be described in detail below through specific examples.

[0013] A composite activated carbon electrode material doped with aluminum-antimony alloy, made of the following raw materials in parts by weight (kg): aluminum-antimony alloy 3, tin dioxide 2, tricalcium silicate 2, nano-dysprosium carbonate 1, bentonite 0.5, modified Permanent waste PVC-based activated carbon 100, aluminate coupling agent 1, distilled water 13, polyethylene glycol 2;

[0014] The modified waste PVC-based activated carbon is made of the following raw materials in parts by weight (kg): sodium sulfate 2, aluminum potassium sulfate 1, tourmaline 2, aminopropyltriethoxysilane 2, calcium stearate 1, Aluminum nitride powder 2, graphene oxide 2, waste PVC material 500, calcium hydroxide 20, 20% sulfuric acid 45; the preparation method is to crush and sieve the waste PVC material to obtain pellets with a particle size of 5-10mm, Pass t...

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Abstract

The invention discloses an aluminum-antimony-alloy-doped composite active carbon electrode material. The aluminum-antimony-alloy-doped composite active carbon electrode material is characterized in that the material comprises the following raw materials, by weight: 2 to 4 parts of aluminum-antimony alloy, 1 to 2 parts of stannic oxide, 2 to 3 parts of tricalcium silicate, 1 to 2 parts of nano dysprosium carbonate, 0.5 to 1 part of bentonite, 100 to 120 parts of modified wasted PVC-based active carbon, 1 to 2 parts of aluminate coupling agents, 10 to 15 parts of distilled water, and 1 to 2 parts of polyethylene glycol. The wasted PVC material is used for preparing the active carbon of the electrode material and thus advantages of large specific area and high electric conductivity and the like are realized; the resources can be utilized reasonably; and a problem of environment pollution is solved. With the doped stannic oxide, the high-power charging and discharging performances of the material is improved; because of the aluminum-antimony alloy loaded at the surface of the carbon-based material, the recycling performance and specific capacitance of the super capacitor are enhanced. The provided electrode material can be widely applied.

Description

technical field [0001] The invention relates to the field of chemical energy materials, in particular to a composite activated carbon electrode material doped with an aluminum-antimony alloy and a preparation method thereof. Background technique [0002] A supercapacitor is a new concept energy storage device between a battery and a traditional electrostatic capacitor. It has a higher specific capacitance and can store more than 10 times the energy density of a traditional electrostatic capacitor; Capacitors have greater power density, high charge and discharge efficiency, and long cycle life. Due to the above advantages, the development of supercapacitor technology has been sought after by researchers. But the main problem faced by supercapacitors is their relatively low energy density. In order to improve the performance of supercapacitors, that is, to increase the specific energy while maintaining its advantages such as high specific power, we use different electrode ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G11/34H01G11/46
CPCY02E60/13H01G11/34H01G11/24H01G11/46H01G11/86
Inventor 褚诗泉骆方勇周池莲
Owner ANHUI JIANGWEI PRECISION IND
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