阅读说明：本技术 一种可降低内压的超级电容器系统及其制备方法 (Super capacitor system capable of reducing internal pressure and preparation method thereof ) 是由 何凤荣 郭义敏 于 2018-11-27 设计创作，主要内容包括：本发明公开了一种可降低内压的超级电容器系统,包括超级电容器和微型电池,所述超级电容器与所述微型电池的连接方式为内置式或对接式,所述内置式是将所述微型电池置于所述超级电容器内部；所述对接式是将所述微型电池的外壳与所述超级电容器的外壳通过连通器相对接。在使用过程中可以通过设置在超级电容器系统内的微型电池消耗掉产生的气体,从而降低超级电容器内压,使超级电容器具有使用寿命长、内压低、安全可靠等特点。另一方面,本发明提供一种可降低内压的超级电容器系统的制备方法,包括如下步骤：1)提供微型电池；2)电芯前处理；3)集成过程。(The invention discloses a super capacitor system capable of reducing internal pressure, which comprises a super capacitor and a micro battery, wherein the connection mode of the super capacitor and the micro battery is a built-in type or a butt-joint type, and the built-in type is that the micro battery is arranged in the super capacitor; the butt joint mode is that the shell of the micro battery is butted with the shell of the super capacitor through a communicating vessel. The gas generated can be consumed by the micro battery arranged in the super capacitor system in the using process, so that the internal pressure of the super capacitor is reduced, and the super capacitor has the characteristics of long service life, low internal pressure, safety, reliability and the like. On the other hand, the invention provides a preparation method of a supercapacitor system capable of reducing internal pressure, which comprises the following steps: 1) providing a micro battery; 2) pretreating the battery core; 3) and (5) integrating.)

The supercapacitor system capable of reducing the internal pressure is characterized by comprising a supercapacitor and a micro battery, wherein the connection mode of the supercapacitor and the micro battery is a built-in mode or a butt-joint mode, and the built-in mode is that the micro battery is placed in the supercapacitor; the butt joint mode is that the shell of the micro battery is butted with the shell of the super capacitor through a communicating vessel.

The internal pressure-reducible supercapacitor system according to claim 1, wherein the micro battery is selected from any one or a combination of a metal-carbon dioxide primary battery, a metal-carbon dioxide secondary battery, a carbon monoxide fuel battery, a hydrogen-oxygen fuel battery, an ethylene fuel battery, a propylene fuel battery, a nickel-hydrogen battery, and a metal-air battery, and the metal is selected from any one or a combination of lithium, sodium, potassium, calcium, magnesium, aluminum, and zinc.

The supercapacitor system according to claim 1 or 2, wherein the number of the micro batteries is one or more, and the types of the micro batteries are one or more.

The internal pressure-reducible supercapacitor system according to any one of claims 1 to 3, wherein the supercapacitor is of a type including an electric double layer capacitor, a pseudocapacitor, a hybrid capacitor, and a battery type supercapacitor.

The internal pressure-reducible supercapacitor system according to any one of claims 1 to 4, wherein the supercapacitor is a single body or a module.

The internal pressure-reducible supercapacitor system according to any one of claims 1 to 5, wherein the supercapacitor comprises a cell, a housing and an electrolyte, and the cell comprises an electrode and a diaphragm.

The supercapacitor system according to claim 6, wherein the active material for electrodes is selected from any one or a combination of activated carbon, activated carbon fiber, carbon nanotube, graphene, carbon aerogel, carbon nanotube, carbon fiber, carbon-carbon composite material, ruthenium oxide, iron oxide, nickel oxyhydroxide, manganese dioxide, polyaniline, polypyrrole, poly-3, 4-ethylenedioxythiophene, lithium iron phosphate, lithium cobaltate, lithium manganate, nickel cobalt lithium manganate, lithium titanate and graphite.

The internal pressure reducible supercapacitor system according to claim 6, wherein the electrolyte comprises an electrolyte and a solvent, and the electrolyte isH₂SO₄、KOH、Na₂SO₄、LiClO₄、LiBF₄、LiPF₆Any one of the above; the solvent is any one or the combination of propylene carbonate, acetonitrile, gamma-butyrolactone, sulfolane, dimethyl sulfoxide, water, ethanol, isopropanol and propylene glycol.

The method for preparing the internal pressure-reducible supercapacitor system according to claim 1, comprising the steps of:

1) providing a micro battery: providing a fuel micro-cell directly and/or providing a non-fuel micro-cell charged to saturation;

2) pretreatment of a super capacitor battery core: soaking the battery cell in electrolyte to absorb the electrolyte to a saturated state;

3) an integration process:

built-in integration: simultaneously sealing the micro battery and the battery core into a super capacitor shell to obtain a super capacitor system; alternatively, the first and second electrodes may be,

butt-joint integration: and sealing the battery core into a super capacitor shell, and butting the micro battery shell with the super capacitor shell through a communicating vessel to obtain the super capacitor system.

The method for preparing the internal pressure-reducing supercapacitor system according to claim 9, wherein the built-in integration can be further: simultaneously sealing the micro battery and the battery core into a super capacitor shell, and then connecting the super capacitors in series and/or in parallel to obtain a super capacitor system; alternatively, the first and second electrodes may be,

the butt-joint integration can also be: and sealing the battery core into a super capacitor shell, connecting the super capacitors in series and/or in parallel, and then butting the micro battery shell and the super capacitor shell through a communicating vessel to obtain the super capacitor system.

The method for manufacturing a supercapacitor system capable of reducing internal pressure according to claim 9 or 10, wherein the integrated process is performed in a dry environment, which is a vacuum glove box or a dry room with a dew point below-65 ℃.