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Flexible film thermosensitive electrode with negative temperature coefficient and its manufacturing method

A negative temperature coefficient, flexible film technology, applied in thermometers, thermometers using directly heat-sensitive electric/magnetic elements, measuring heat, etc., can solve problems such as being easily affected by environmental humidity and low working stability of flexible film electrodes , to achieve the effect of solving low working stability, good working stability and high sensitivity

Inactive Publication Date: 2021-02-12
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that the existing flexible thin-film electrode has low working stability and is easily affected by environmental humidity, the invention provides a flexible thin-film thermosensitive electrode with a negative temperature coefficient and a manufacturing method thereof

Method used

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  • Flexible film thermosensitive electrode with negative temperature coefficient and its manufacturing method
  • Flexible film thermosensitive electrode with negative temperature coefficient and its manufacturing method
  • Flexible film thermosensitive electrode with negative temperature coefficient and its manufacturing method

Examples

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Effect test

Embodiment 1

[0032] Fabrication method of flexible thin film thermosensitive electrode with negative temperature coefficient, such as figure 1 shown, including the following steps:

[0033] S1. Configure MXene powder and PEDOT:PSS solution to mix to obtain a mixed solution. After the mixed solution is ultrasonically treated for 30 minutes, it is filtered by a vacuum filter to obtain a viscous mixed solution;

[0034] S2. Utilize a laser cutting machine to carry out laser cutting on the PET plate with double-sided adhesive to obtain a mold, and stick the side of the mold with double-sided adhesive to the carrier film;

[0035] S3. drop the PMMA solution into the mould, and obtain a solidified PMMA substrate by heating and drying in a blower oven;

[0036] S4. The PMMA substrate is placed in a plasma cleaning machine for surface modification, and the viscous mixed solution is evenly drip-coated on the PMMA substrate;

[0037] S5. Place the PMMA substrate after dripping the viscous mixed so...

Embodiment 2

[0039] S1. Configure the mixed solution obtained by mixing the MXene powder with a mass ratio of 3:1 and the PEDOT:PSS solution. After the mixed solution is ultrasonically treated for 30 minutes, filter paper with a pore size of 0.45 μm is used for suction filtration through a vacuum filter. Obtain a viscous mixture; in this step, ultrasonic treatment for 30 minutes can fully mix the MXene powder and PEDOT:PSS solution; the use of filter paper with a pore size of 0.45 μm can ensure the suction filtration effect and have a suitable suction filtration speed. (PEDOT:PSS is easy to pass through the filter paper when the pore size of the filter paper is too large, and the filtration speed is too slow if the pore size of the filter paper is too small);

[0040] S2. Utilize a laser cutting machine to carry out laser cutting on a PET plate with double-sided adhesive tape to obtain a mold, and stick the side of the mold with double-sided adhesive tape on the carrier film; wherein the th...

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Abstract

The invention discloses a flexible film thermosensitive electrode with a negative temperature coefficient and a manufacturing method thereof. A mixed solution is obtained by mixing MXene powder with a PEDOT:PSS solution. Filter to obtain the viscous mixed solution; use a laser cutting machine to carry out laser cutting on a PET plate with double-sided adhesive to obtain a mold, and stick the side of the mold with double-sided adhesive to the carrier film; drop the PMMA solution into the mould, The cured PMMA substrate is obtained by heating and drying in a blast drying oven; the PMMA substrate is placed in a plasma cleaning machine for surface modification treatment, and the viscous mixture is evenly dripped onto the PMMA substrate; the drip coating is viscous and mixed The liquid PMMA substrate is placed in a vacuum drying oven to dry to form a film, and the mold is removed to obtain a flexible film thermal electrode.

Description

technical field [0001] The invention relates to the technical field of thermosensitive electrodes, in particular to a flexible film thermosensitive electrode with a negative temperature coefficient and a manufacturing method thereof. Background technique [0002] As one of the sensitive elements, thermal electrodes can be divided into positive temperature coefficient thermal electrodes and negative temperature coefficient thermal electrodes according to their different response characteristics to temperature. Compared with ordinary electrodes, this type of electrode is highly sensitive to temperature, and can exhibit different resistance values ​​when the temperature is different. The resistance of the positive temperature coefficient thermistor electrode increases continuously with the increase of temperature, while the resistance of the negative temperature coefficient thermistor electrode is the opposite, and the resistance decreases continuously with the increase of temp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01K7/22C08J5/18C08J7/12C08L65/00C08L25/18C08L33/12C08K7/00C08K3/00
CPCC08J5/18C08J7/123C08J2325/18C08J2333/12C08J2365/00C08K3/00C08K7/00G01K7/22
Inventor 衣芳陈泽桐
Owner SUN YAT SEN UNIV