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Gas detection sheet, and electrochemical element comprising gas detection sheet

A gas detection and support technology, which is applied in the field of electrochemical elements, can solve the problems such as the falling off of porous coordination polymer material particle supports, and achieve the effects of good gas detection sensitivity and excellent adhesion

Inactive Publication Date: 2020-09-04
TDK CORPARATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the loading amount of the porous coordination polymer on the support is increased in order to improve the visibility, there is a technical problem that the porous coordination polymer material particles are easily detached from the support due to the processing method.

Method used

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  • Gas detection sheet, and electrochemical element comprising gas detection sheet
  • Gas detection sheet, and electrochemical element comprising gas detection sheet
  • Gas detection sheet, and electrochemical element comprising gas detection sheet

Examples

Experimental program
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Embodiment

[0093] Hereinafter, the present invention will be further described based on detailed examples, but the present invention is not limited to these examples.

Synthetic example 1

[0095] (Manufacture of porous coordination polymers)

[0096] Put 0.27 g of iron ammonium sulfate (II) hexahydrate, 0.08 g of L-ascorbic acid, and 0.15 g of potassium tetracyanonickelate (II) monohydrate into a Erlenmeyer flask containing 240 mL of a mixed solvent of distilled water and ethanol using stirring The blades were stirred, and the precipitated intermediate particles were filtered and washed with pure water, dried in an oven at 50°C, and recovered. 0.1 g of the obtained intermediate particles were dispersed in ethanol, and 0.08 g of pyrazine was added over 28 minutes. The deposited precipitate was filtered and dried at 140° C. for 3 hours in the air to obtain an orange porous coordination polymer.

Embodiment 1

[0098] (Manufacture of gas detection sheet)

[0099] 50 mg of the porous coordination polymer of Synthesis Example 1 and 100 mg of acrylic binder powder (Voncoat solid content, manufactured by DIC Corporation) as a binder component were added to 50 ml of acetonitrile to obtain a dispersion liquid containing the porous coordination polymer . The loading amount of the porous coordination polymer is 0.25 mg / cm 2 In this method, the nonwoven fabric (manufactured by Wintec Corporation, FP7020) was repeatedly sprayed with the obtained dispersion liquid, and then dried in an oven at 30° C. to produce the gas detection sheet of this example. The binder content of the obtained purple-red gas detection sheet was determined by the method described above, and the binder content was 4% by weight based on the weight of the gas detection sheet.

[0100] (Detection of diethyl carbonate gas)

[0101] Put a small fan and a gas detection sheet into a 5-liter sampling bag, fill it with air con...

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Abstract

Provided are a gas detection sheet having good gas detection sensitivity and excellent adhesion between a support body and a porous coordination polymer, and an electrochemical element comprising thegas detection sheet. The gas detection sheet according to the present invention comprises a gas detection sheet support body, and a porous coordination polymer that is supported on the support body and is represented by general formula (1). (1) Fex(pyrazine)[Ni1-yMy(CN)4] (0. 95<=x<=1.05, M=Pd,Pt, 0<=y<0.15) By using a gas detection sheet characterized by further containing a binder in an amount of 4-60% by weight relative to the weight of the gas detection sheet, a gas detection sheet having good gas detection sensitivity and excellent adhesion between a support body and a porous coordinationpolymer, and an electrochemical element comprising the gas detection sheet can be provided.

Description

technical field [0001] The invention relates to a gas detection sheet and an electrochemical element provided with the gas detection sheet. [0002] This application claims priority based on Japanese Patent Application No. 2018-009051 filed in Japan on January 23, 2018, and its content is cited here. Background technique [0003] With recent miniaturization and higher functionality of portable electronic devices, further miniaturization, weight reduction, and higher capacity of electrochemical elements are expected. Electrochemical elements can be manufactured in various forms, and typical examples include square, cylindrical, and pouch shapes. Among them, the pouch-type electrochemical element uses a pouch-shaped case formed of a sheet such as an aluminum laminated film, so it can be lightly manufactured into various forms, and has the advantage of a simple manufacturing process. There is a problem that expansion is likely to occur due to damage or increased internal pres...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N31/00G01N21/77G01N21/78G01N31/22H01M10/48
CPCG01N31/00G01N31/22G01N21/78Y02E60/10G01N2021/7796H01G9/10H01G11/80H01M10/488H01M50/105H01M2300/0025H01M10/0566H01M10/0525H01M10/48G01N31/223G01N2021/7756
Inventor 加藤友彦丸山贵之
Owner TDK CORPARATION