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Preparation method of supercapacitor chip, supercapacitor chip and supercapacitor
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A supercapacitor and chip technology, applied in the field of capacitors, can solve the problem that supercapacitor chips are difficult to meet the requirements of high voltage and high current applications.
Inactive Publication Date: 2019-10-08
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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[0005] In order to solve the technical problem that the existing single supercapacitor chip is difficult to meet the application requirements of high voltage and high current, the invention provides a preparation method of a supercapacitor chip, a supercapacitor chip and a supercapacitor chip
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preparation example Construction
[0035] see figure 1 , the present invention provides a kind of preparation method S10 of supercapacitor chip, it comprises the following steps:
[0036] Step S1, providing a substrate 11 with conductive lines 13;
[0037] Step S2, forming two independently arranged current collectors 14 on the substrate 11, each of the current collectors 14 is electrically connected to the conductive circuit 13 of the substrate 11; and
[0038] Step S3, preparing a positive electrode 15 on one of the current collectors 14, preparing a negative electrode 17 on the other current collector 14, and forming a solid / quasi-solid electrolyte film 16 between the positive electrode 15 and the negative electrode 17 , to obtain a multilayer film;
[0039] Step S4 , encapsulating and protecting the multilayer film with an encapsulating film 18 to obtain a supercapacitor chip 12 .
[0040] It should be noted here that the current collector 14, the positive electrode 15 / negative electrode 17, the solid / quas...
specific Embodiment
[0046] Further, the present invention also provides a specific embodiment of preparing supercapacitor chip 12, comprising the following steps:
[0047] Step 1: Prepare a substrate 11 made of a PET film, wash the surface of the PET film with ethanol, dry it in vacuum at 80° C. for 2 hours, and set aside.
[0048] Step 2: Print two current collectors 14 on the substrate 11 by screen printing. The material of the two current collectors 14 is metallic copper. The specific screen printingcopper paste has a solid content of 70-80% and a viscosity of 1000-5000mPa·s, bake at 100°C for more than 10min, and the thickness is 0-500nm.
[0049] Step 3: Screen print the positive electrode 15 on the current collector 14. The material selected for the positive electrode 15 is carbon. The specific carbon paste has a viscosity of 1000-5000 mPa·s, baked at 120°C for 15 minutes, and has a thickness of 0-500 mPa·s. 1um.
[0050] Step 4: Screen-print the solid electrolyte membrane 16 on the posi...
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Abstract
The invention provides a preparation method of a supercapacitorchip, the supercapacitorchip and a supercapacitor. A substrate with a conductive line is provided; two independently arranged current collectors are formed on the substrate, and each of the current collectors is electrically connected to the conductive line of the substrate; a positive electrode is prepared on one of the current collectors, a negative electrode is prepared on the other current collector and a solid / quasi-solidelectrolyte film is formed between the positive electrode and the negative electrode so as to obtain a multilayer film; and the multilayer film is encapsulated and protected by an encapsulation film so as to obtain the supercapacitor chip. The supercapacitor chip prepared by the method can meet the userequirements of high current or high voltage after being integrated with the supercapacitor.
Description
【Technical field】 [0001] The invention relates to the field of capacitors, in particular to a method for preparing a supercapacitor chip, a supercapacitor chip and a supercapacitor. 【Background technique】 [0002] The development of energy storage devices with long cycle life, high specific energy and high power density has always been one of the hot topics concerned by researchers in many fields. With the development of social science and technology, many fields such as electric vehicles have greatly increased the requirements for power supply, which has far exceeded the capacity of the battery. Although traditional capacitors are very powerful, their energy density is limited and cannot meet actual needs. Supercapacitors, also called electrochemical capacitors, have performance between traditional capacitors and batteries, and have the characteristics of high specific energy of batteries and high specific power of traditional capacitors. Supercapacitors have important ap...
Claims
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