Super capacitor paper and preparation method and application thereof

A technology for supercapacitors and Tencel fibers, which is applied in the field of release paper for long-life supercapacitors, and can solve problems such as loss reduction, strength influence, and influence on supercapacitor processing

Inactive Publication Date: 2020-06-09
浙江辰龙特种材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] CN108221487A discloses a low internal resistance super electrolytic capacitor paper and its preparation method. The fiber raw materials used are tencel and ultrafine chemical fibers. Due to the use of part of ultrafine chemical fibers, the loss of its products is greatly reduced, and the leakage current It

Method used

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  • Super capacitor paper and preparation method and application thereof

Examples

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Effect test

example 2

[0024] Reference example 2, tencel fiber beating degree 88 ° SR, fourdrinier paper machine papermaking, paper sheet detection quantitative, strength and other conventional indicators, made into supercapacitor test capacitance leakage current, internal resistance, capacity and other indicators.

example 3

[0025] Reference example 3, tencel fiber beating degree 88 ° SR, 0.3 denier 4mm PET fiber, weight ratio 90:10, papermaking by rotary screen paper machine, conventional indicators such as paper sheet detection quantity, strength, etc., made into supercapacitor test capacitance Leakage current, internal resistance, capacity and other indicators.

example 4

[0026] Reference example 4, tencel fiber beating degree 88°SR, 0.3 denier 3mm PET fiber, weight ratio 90:10, fourdrinier paper machine papermaking, paper sheet detection quantitative, strength and other conventional indicators, made into supercapacitor test capacitance Leakage current, internal resistance, capacity and other indicators.

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Abstract

The invention provides super capacitor paper. The super capacitor paper is composed of the components in percentage by weight: 5-30% of PET fibers, 70-95% of tencel fibers and the balance being a drystrength agent; the dry strength agent accounts for 0.3-1% of the total weight of the PET fibers and the tencel fibers; the weight ratio of PET fiber pulp is 5-30%; if the weight ratio is higher than30%, the tensile strength of a paper sheet is low and cannot meet the requirements of super capacitor processing; when the weight ratio is lower than 5%, the tearing strength and the elongation of thepaper sheet are low, so that the paper sheet is difficult to meet the strength requirement in the assembly process of the super capacitor and has adverse effects on the loss, and part of the fine denier PET fibers can improve the loss performance of the super capacitor.

Description

technical field [0001] The invention relates to a supercapacitor paper, in particular to a long-life-type supercapacitor separator paper. Background technique [0002] Electrolytic capacitors are one of the most important basic electronic components in electronic engineering. In addition to filtering, coupling and bypassing functions in electronic circuits, it also plays a special role in special circuits such as correction circuits, power circuits and AC motor starting circuits. Widely used in military industry, civilian communication equipment, audio-visual system, control electrical appliances and electronic instruments and other fields. Electrolytic capacitor paper is the gasket material for absorbing electrolyte in electrolytic capacitors, and its performance directly affects the quality of electrolytic capacitors. [0003] With the rapid development of electronic technology, electrolytic capacitors are rapidly developing towards miniaturization, high quality, high re...

Claims

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Application Information

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IPC IPC(8): D21H27/00D21H21/18D21H13/08D21H13/24H01G11/52
CPCD21H13/08D21H13/24D21H21/18D21H27/00H01G11/52Y02E60/13
Inventor 王贤炉余才广朱春树
Owner 浙江辰龙特种材料有限公司
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