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A 3D multifunctional flexible material and its application

A flexible material and multi-functional technology, applied in ohmic resistance heating, electrical components, hybrid/electric double-layer capacitor manufacturing, etc., can solve problems affecting the basic performance of supercapacitors, unstable contact surface performance, and uneven local dispersion. Achieve good electrochemical performance and cycle life, regular shape and uniform distribution

Active Publication Date: 2022-02-11
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are common problems in the field of nanomaterials such as poor electrical conductivity, uneven local dispersion, and unstable interface with the electrolyte, which affect the basic performance of supercapacitors.

Method used

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  • A 3D multifunctional flexible material and its application
  • A 3D multifunctional flexible material and its application
  • A 3D multifunctional flexible material and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] Weigh 71mg (0.3mmol) of nickel chloride hexahydrate and 72mg (0.3mmol) of sodium molybdate dihydrate, pour them into a beaker, add 30mL of distilled water to stir and dissolve the solute, then transfer to a 50mL autoclave, and put in 1* 2 cm of cleaned carbon cloth was placed in the solution. In the blast drying oven, the temperature was programmed to rise at 5°C / min, and the temperature was kept at 160°C for 6h. After cooling down, the carbon cloth in the reaction kettle was taken out and cleaned, and then vacuum-dried at 60°C for 8h to obtain the precursor.

[0061] Put the obtained precursor and 20mg of dicyandiamide into a porcelain boat, seal it with copper foil and put it into a tube furnace, program the temperature in an Ar atmosphere at 5°C / min, keep it at 750°C for 2h, the pressure is normal pressure, and the flow rate is 30mL / min to obtain 3D multifunctional flexible materials.

[0062] The above 3D multifunctional flexible materials were tested by XRD and SE...

Embodiment 2

[0064] Weigh 120.9mg (0.5mmol) nickel chloride hexahydrate and 118.8mg (0.5mmol) sodium molybdate dihydrate, pour them into a beaker, add 30mL distilled water to stir and dissolve the solute, then transfer to a 50mL autoclave, put 1*2cm of washed carbon cloth in the solution. In a blast drying oven, the temperature was programmed to rise at 3°C / min, and the temperature was kept at 160°C for 6 hours. After cooling down, the carbon cloth in the reaction kettle was taken out and cleaned, and then vacuum-dried at 60°C for 12 hours to obtain a precursor.

[0065] Put the obtained precursor and 30mg of dicyandiamide into a porcelain boat, seal it with copper foil and put it into a tube furnace, program the temperature in a nitrogen atmosphere at 5°C / min, keep it at 700°C for 3h, the pressure is normal pressure, and the flow rate 20mL / min.

Embodiment 3

[0067] like Figure 5 As shown, the wearable self-heating flexible energy storage device includes a flexible all-solid supercapacitor 1, and the two ends of the flexible all-solid supercapacitor 1 are respectively connected to a first wire 3 and a second wire 4, and the first wire 3 and The other end of the second guide 4 is connected with the flexible thermal resistance heater 2 .

[0068] Both the first wire 3 and the second wire 4 are copper-coated rubber belts, silicone belts or plastic belts; the first wire 3 is provided with a switch 5 .

[0069] Both the first wire 3 and the second wire 4 are provided with a wire adjustment shrinker 6 , and the second wire 4 is connected to the flexible thermal resistance heater 2 through a magnetic contact.

[0070] When using a wearable self-heating flexible energy storage device, the lengths of the first wire 3 and the second wire 4 can be adjusted according to the size of the used part, and the second wire 4 and the flexible therma...

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Abstract

The invention discloses a 3D multifunctional flexible material and its application. The flexible material includes a base layer, an interface anchor layer wrapped around the base layer, and a conductive adsorption layer grown on the interface anchor layer; the flexible material can be used It is used in the preparation of flexible all-solid-state supercapacitors, flexible thermal resistance heaters and wearable self-heating flexible energy storage devices. The positive and negative electrodes of the flexible all-solid-state supercapacitor are made of 3D multifunctional flexible materials; the flexible thermal resistance heater is made of 3D multifunctional flexible materials; the wearable self-heating flexible energy storage device includes a flexible full Solid state supercapacitors, wire and flexible resistance heaters. The flexible all-solid-state supercapacitor of the present invention has high energy density and excellent cycle stability; the flexible thermal resistance heater only needs a small voltage to have a high saturation temperature; the wearable self-heating flexible energy storage device can be used at very low It has a very good saturation temperature under voltage, and can be used for keeping warm, heat therapy, etc.

Description

technical field [0001] The invention relates to the technical field of new energy materials, in particular to a 3D multifunctional flexible material and its application. Background technique [0002] The excessive dependence and consumption of human beings on fossil energy have caused serious environmental problems and energy crises. In order to realize the development and utilization of sustainable energy, the research on new energy and new energy devices has attracted widespread attention. Supercapacitor is an energy storage device with very high power density, long cycle life, fast charging and discharging speed, and no pollution to the environment. It is widely used in aerospace, communication equipment, backup power supply, national defense technology and electric vehicles, etc. areas related to social life. [0003] Due to obesity, various occupational diseases or aging, it is easy to cause human joint injuries. While joint injuries often lead to many symptoms such a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G11/26H01G11/36H01G11/42H01G11/86H05B3/34
CPCH01G11/26H01G11/36H01G11/42H01G11/86H05B3/34Y02E60/13
Inventor 周伟家柳凡何杰通袁召栾峰刘宏
Owner UNIV OF JINAN
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