WO2018168688A1 - Joint d'étanchéité de condensateur, condensateur et procédé de fabrication de joint d'étanchéité - Google Patents

Joint d'étanchéité de condensateur, condensateur et procédé de fabrication de joint d'étanchéité Download PDF

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Publication number
WO2018168688A1
WO2018168688A1 PCT/JP2018/009206 JP2018009206W WO2018168688A1 WO 2018168688 A1 WO2018168688 A1 WO 2018168688A1 JP 2018009206 W JP2018009206 W JP 2018009206W WO 2018168688 A1 WO2018168688 A1 WO 2018168688A1
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WO
WIPO (PCT)
Prior art keywords
layer
sealing plate
sealing
glass cloth
capacitor
Prior art date
Application number
PCT/JP2018/009206
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English (en)
Japanese (ja)
Inventor
吉田　敦
千秋 久慈
勇介 寺田
Original Assignee
日本ケミコン株式会社
利昌工業株式会社
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Filing date
Publication date
Application filed by 日本ケミコン株式会社, 利昌工業株式会社 filed Critical 日本ケミコン株式会社
Publication of WO2018168688A1 publication Critical patent/WO2018168688A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004—Details
    • H01G9/08—Housing; Encapsulation
    • H01G9/10—Sealing, e.g. of lead-in wires

Definitions

  • the present invention relates to a capacitor sealing technique for sealing a capacitor element, an electrolytic solution, and the like in a case.
  • a sealing plate used for a large capacitor a paper phenol plate that functions as a hard support member in order to maintain the sealing strength of the case, and an elastic member such as a rubber material that functions as a sealing member on the paper phenol plate. Laminated laminates are used.
  • the sealing plate is provided with a terminal fixing hole and a terminal is attached, and a sealing process is performed in which the outer case is bitten into the elastic member by a curling process.
  • a sealing member in which a paper phenol plate that is a hard support member and a rubber sheet that is an elastic member are laminated and integrated with respect to the opening side of the outer case in which the capacitor element is stored.
  • Patent Documents 1 and 2 Some sealing plates have a two-layer structure of a hard insulating plate such as a thermosetting phenol resin and an elastic insulating plate such as rubber (for example, Patent Document 3).
  • the sealing plate is required to have a strength capable of preventing deformation and breakage against an increase in internal pressure of gas generated in the outer case of the capacitor.
  • the sealing plate is required to have, for example, vibration resistance when the usage environment such as an on-vehicle capacitor is severe, sealing property, and molding processability such that a residual piece hardly occurs during manufacturing.
  • downsizing of capacitors is also required.
  • the sealing plate is required to improve the strength against deformation and breakage at the minimum. In particular, the larger the capacitor and the larger the capacitance, the greater the durability and strength required for the sealing plate.
  • an object of the present invention is to improve the strength of the sealing plate and the durability against deformation.
  • Another object of the present invention is to improve the molding processability of the sealing plate in view of the above problems.
  • one aspect of the sealing plate of the present invention is a sealing plate for a capacitor, and includes a sealing layer made of an elastic member and a support layer laminated on the sealing layer.
  • the support layer includes a paper phenolic resin layer, a glass cloth-containing layer laminated with the paper phenolic resin layer interposed therebetween, and a paper disposed in the glass cloth-containing layer on a surface side not in contact with the sealing layer.
  • a phenolic resin layer is a phenolic resin layer.
  • a resin film may be disposed on the side of the support layer that is not in contact with the sealing layer via the paper phenolic resin layer.
  • the paper phenol resin layer may be disposed adjacent to the glass cloth-containing layer.
  • the thickness of the paper phenol resin layer may be set according to the number of the glass cloth-containing layers arranged.
  • one aspect of the capacitor of the present invention includes any one of the sealing plates described above.
  • one aspect of a method for producing a sealing plate of the present invention is a method for producing a sealing plate for use in a capacitor, the step of forming a sealing layer made of an elastic member, and a paper phenolic resin.
  • a layer and a glass cloth-containing layer sandwiched between the paper phenol resin layers, and a paper phenol resin layer is laminated on the glass cloth-containing layer on the surface side that does not contact the sealing layer to form a support layer
  • a step of laminating the support layer on the sealing layer to form a laminated material and a step of punching into the shape of the sealing plate from the sealing layer side of the laminated material.
  • the strength of the sealing plate can be improved by laminating a glass cloth-containing layer on the heel support layer.
  • FIG. 1 shows the external appearance structural example of the sealing board which concerns on 1st Embodiment. It is sectional drawing which shows the structural example of a sealing board. It is sectional drawing which shows the structural example of the sealing board which concerns on 2nd Embodiment. It is sectional drawing which shows the structural example of the sealing board which concerns on 3rd Embodiment. It is a figure which shows an example of the installation state of the sealing board with respect to a capacitor
  • FIG. 1 shows the installation state of the sealing board with respect to a capacitor
  • FIG. 1 is a diagram showing a configuration example of a sealing plate according to the first embodiment.
  • the configuration shown in FIG. 1 is an example and is not limited to the configuration according to the present invention.
  • This sealing plate 2 is an example of the sealing plate of the present disclosure.
  • the sealing plate 2 has a thin disk shape, a sealing layer 4 that seals the opening side of an exterior case (not shown), and this sealing plate.
  • the support layer 6 is provided on one surface of the stop layer 4.
  • the sealing layer 4 and the support layer 6 may be formed in a disk shape having the same diameter, or the sealing layer 4 and the support layer 6 are formed in different outer diameters according to the shape of the opening side of the exterior case to be installed. May be.
  • the sealing layer 4 is made of an elastic material such as rubber, and the outer periphery of the side surface is fitted into the inner wall of the housing portion of the outer case to seal the outer case.
  • the sealing layer 4 is formed with a hardness that exhibits flexibility and elasticity.
  • ethylene propylene rubber, butyl rubber, silicon rubber, or the like is used.
  • the support layer 6 is an example of a means for supporting the attached sealing layer 4 from the flat plate surface and imparting rigidity, and is formed, for example, by laminating a plurality of members.
  • the sealing plate 2 can be improved in sealing property, improved rigidity, and lowered in deformability by attaching the rigid support layer 6 to the plate surface of the sealing layer 4.
  • the other sealing plate 2 is provided with two terminals 8 on a flat plate surface.
  • the terminals 8 are formed, for example, by combining a single component or a plurality of components, and function as anode-side and cathode-side terminals by being electrically connected to sealed elements forming a capacitor.
  • sealing board 2 showed the case of the disk shape, it is not restricted to this, You may form in elliptical shape, square shape, etc.
  • the shape of the sealing plate 2 may be matched with the opening shape of the outer case of the capacitor to be sealed.
  • the internal structure of the sealing plate 2 includes, for example, a support layer 6 in which at least four layers of materials are laminated on the bottom side with respect to the sealing layer 4 made of a single elastic member, as shown in FIG. Further, for example, the shaft 8 of the terminal 8 is penetrated in the thickness direction of the sealing plate 2, and protrudes on the opposite surface side of the sealing plate 2 with a certain length.
  • the sealing plate 2 is a glass phenolic resin layer 12 and a glass phenolic resin layer 12 sandwiched from the vertical direction of the paper phenolic resin layer 12 with respect to the elastic layer 10 that is the sealing layer 4.
  • the cloth-containing layers 14 and 16 are provided. That is, the glass cloth containing layers 14 and 16 are laminated on both surfaces of the paper phenol resin layer 12. Further, a paper phenol resin layer 20 is laminated on the surface of the support layer 6 that does not come into contact with the sealing layer 4. That is, the sealing plate 2 includes a glass cloth-containing layer 14, a paper phenol resin layer 12, a glass cloth-containing layer 16, and a paper phenol resin layer 20 as a support layer 6 under the elastic layer 10 that is the sealing layer 4. Is done.
  • the paper phenolic resin layer 12 is an example of a base material of the support layer 6 and is a layer formed of a member formed of a synthetic material in which a paper base material is impregnated with a phenolic resin.
  • the glass cloth-containing layers 14 and 16 are examples of a reinforcing material for the paper phenol resin layer 12 and are layers made of a synthetic material in which a glass cloth containing glass fibers is impregnated with a phenol-based resin.
  • the glass cloth-containing layers 14 and 16 have high strength and high toughness, as well as fire resistance and heat resistance.
  • the glass cloth-containing layers 14 and 16 are disposed with the paper phenolic resin layer 12 interposed therebetween, so that the paper phenolic resin layer 12 bends against the pressure F ⁇ b> 1 received on the flat surface side of the sealing plate 2. Expansion and contraction can be suppressed. Thereby, the rigidity of the support layer 6 is improved. And by the rigidity reinforcement of the support layer 6, the deformation
  • the paper phenol resin layer 20 functions as a support material for the sealing plate 2 and also functions as a surface member of the sealing plate 2.
  • the glass cloth-containing layers 14 and 16 have, for example, high strength of the glass cloth, which is the amount of the constituent material. Therefore, minute burrs X are generated on the surface during the generation of the glass cloth-containing material or in the forming process of the support layer 6. There is a case.
  • This burr X includes, for example, a minute cut residue in a shearing process at the time of manufacturing the sealing plate 2 or a broken end due to tearing.
  • a paper phenol resin material for example, a paper phenol resin material, a glass cloth-containing material, and the like are generated.
  • the material produced here is, for example, in a semi-cured state called prepreg.
  • a paper phenol resin material for example, a paper base material is impregnated with a phenol resin before cross-linking dissolved in alcohol or the like, and is made into a semi-cured state by heating or drying.
  • the glass cloth-containing material is produced by, for example, uniformly impregnating a glass cloth, which is glass fiber, with a thermosetting phenol resin, and by heating or drying.
  • the laminated material which has arrange
  • (B) Sealing plate forming process In this process, the sealing plate 2 is formed into a predetermined shape. The produced laminated material is punched into the shape and dimensions of the sealing plate 2 by, for example, pressing. At this time, the laminated material is cut by, for example, a shearing blade of a press machine.
  • the laminated material formed by punching is subjected to a processing process such as forming a through hole at a preset position and inserting the terminal 8.
  • the laminated material may be subjected to surface treatment for stabilizing the surface state, for example.
  • the sealing plate 2 is manufactured through the above processing.
  • the direction of formation of the burrs X generated at the end of the glass cloth-containing layer 16 is determined by the punching direction of the laminated material.
  • the paper phenol resin layer 20 is disposed on the lower layer side of the glass cloth-containing layer 16 where the burrs X are generated.
  • the eaves support layer 6 can improve the rigidity and strength of the sealing plate 2 by sandwiching at least both surfaces of the paper phenolic resin layer 12 as a base material on the plane side with the glass cloth-containing layers 14 and 16.
  • the sealing plate 2 can be prevented from being damaged against the pressure increase inside the capacitor.
  • FIG. 3 shows a configuration example of the sealing plate according to the second embodiment.
  • the sealing plate 2 has a resin film 22 on the surface opposite to the surface on which the sealing layer 4 is laminated, that is, the surface not in contact with the sealing layer 4 with respect to the support layer 6. Is placed.
  • the resin film 22 is an example of a waterproof means for the sealing plate 2 and is disposed toward the storage portion of the outer case of the capacitor.
  • the resin film 22 is a resin having thermoplasticity, and for example, a hydrophobic material such as polytetrafluoroethylene (PTFE) or polypropylene (PP) is used.
  • the support layer 6 includes a paper phenolic resin layer 20 on the exterior case side, and a resin film 22 is disposed on one surface of the paper phenolic resin layer 20.
  • the sealing plate 2 is configured so that the resin film 22 is not disposed with respect to the surface of the glass cloth-containing layer 16. That is, the laminated material laminated in a state where the glass cloth-containing layer 16 and the resin film 22 are in contact with each other is formed around the sealing plate 2 due to the influence of the shearing blade of the press machine during the pressing process for punching into the shape and dimensions of the sealing plate 2.
  • the resin film 22 may be peeled off from the glass cloth-containing layer 16.
  • the support layer 6 forms a layer other than the glass cloth-containing layer 16 on the exterior case side, and the resin film 22 is disposed on the layer.
  • the paper phenol resin layer 20 has a glass cloth-containing layer together with the paper phenol resin layer 12 serving as the base material of the support layer 6 because the adhesion between the glass cloth-containing layer 16 and the resin film 22 is within an assumed range.
  • 16 is arranged on the exterior case side.
  • the manufacturing process of the sealing plate 2 including the resin film 22 is, for example, similar to the process shown in the first embodiment, (A) a laminated material generation process, (B) a sealing plate formation process, (C) other Processing and the like are included.
  • the paper phenol resin material and the glass cloth-containing material of the generated prepreg in addition to the paper phenol resin material and the glass cloth-containing material of the generated prepreg, the paper phenol resin material that becomes the paper phenol resin layer 20 on the outer case side, and the resin A laminated material by the film 22 is generated. And what is necessary is just to produce
  • the sealing plate forming process and other processing processes are as described above.
  • the resin phenol resin layer 12 that is the base material of the support layer 6 may be formed thicker than the resin phenol resin layer 20 disposed on the exterior case side, for example.
  • the paper phenolic resin layer 20 on the exterior case side has a resin film 22 disposed on the support layer 6.
  • the present invention improves the rigidity and durability of the support layer 6 by sandwiching both sides of the paper phenolic resin layer 12 between the glass cloth-containing layers 14 and 16. Therefore, in order to improve the sealing performance and rigidity of the sealing plate 2, it is better to make the glass cloth-containing layers 14 and 16 thicker.
  • the waterproof function of the sealing plate 2 is improved and the electrolyte can be prevented from penetrating into the sealing plate 2.
  • the waterproof function for the sealing plate inside the outer case of the capacitor in a high temperature and high pressure state is improved.
  • FIG. 4 shows a configuration example of the sealing plate of the third embodiment.
  • the sealing plate 2 has a support layer 6 composed of a plurality of layers laminated on the sealing layer 4.
  • the support layer 6 includes two glass cloth-containing layers 14a and 14b and two paper phenolic resin layers 12a and 12b arranged alternately.
  • the glass cloth-containing layer 16 and the paper phenol resin layer 20 are laminated. That is, in the support layer 6, the paper phenol resin layer 12a is sandwiched and reinforced by the glass cloth-containing layer 14a disposed on the elastic layer 10 and the glass cloth-containing layer 14b laminated on the center side.
  • the glass cloth containing layer 14b and the glass cloth containing layer 16 sandwich and reinforce the paper phenolic resin layer 12b.
  • the resin film 22 may be disposed on the sealing plate 2 via the paper phenolic resin layer 20 on the outer case side of the glass cloth-containing layer 16.
  • the glass cloth-containing layers 14a, 14b, and 16 may be formed to have a uniform thickness, and may be set to a thickness of about 0.1 [mm] to 0.2 [mm], for example.
  • the paper phenolic resin layers 12a, 12b, and 20 may be formed to have the same thickness, and may be about 0.3 to 0.5 [mm], for example.
  • the thickness of the glass cloth-containing layer or the paper phenol resin layer may be set based on the set value of the overall thickness of the sealing plate 2 or the thickness of the elastic layer 10 with respect to the number of sheets to be arranged, for example.
  • the rigidity, support strength, and durability of the support layer 6 can be improved by increasing the number of glass cloth-containing layers, which are reinforcing materials.
  • the number of glass cloth-containing layers can be set according to the set voltage of the capacitor and the usage environment, and the sealing plate 2 matched to the capacitor can be manufactured, improving convenience.
  • FIG. 5 shows an example of the installation state of the sealing plate for the capacitor.
  • the capacitor element 30 is a winding element in which, for example, an electrode foil or a separator is wound.
  • the capacitor element 30 is wound in a predetermined direction in a state in which, for example, an anode foil or cathode foil (not shown) is laminated via a separator that is an insulator.
  • the flat plate portion of the sealing plate 2 is disposed with respect to the winding end surface.
  • the capacitor element 30 has tabs 40 a and 40 b projecting from the anode foil and the cathode foil on the winding surface on one end side, and these tabs 40 a and 40 b are connected to the terminals 8 of the sealing plate 2.
  • the capacitor element 30 to which the sealing plate 2 is connected is housed in the housing portion 33 of the exterior case 32.
  • the exterior case 32 is an example of an exterior component of a capacitor, and is formed in a bottomed cylindrical shape having an opening 34 on one end side, for example.
  • an electrolyte solution (not shown), and the like are placed in the storage portion 33, and then the front end portion 36 of the opening 34 is folded back to the sealing plate 2 side to be in a sealed state.
  • the outer case 32 is pressed from the outside to form a caulking groove 38 with respect to a position near the lower side of the sealing plate 2 or a position overlapping the sealing plate 2.
  • the sealing plate 2 and the outer case 32 are brought into close contact with each other.
  • the distal end portion 36 of the outer case 32 may be brought into contact with the sealing layer 4 of the sealing plate 2 by folding. Thereby, even if the internal pressure of the capacitor rises, the sealing plate 2 can be prevented from being detached from the outer case 32.
  • the sealing plate 2 can be disposed with no gap with respect to the outer case 32, and the sealing plate 2 can prevent the electrolyte solution or the like from being ejected by the caulking process or the folding of the opening 34 side.
  • the sealing strength of the sealing plate with respect to the outer case 32 is improved by the integration of the sealing plate 2 and the outer case 32 and the improvement of the rigidity strength of the support layer that is reinforced by sandwiching the paper phenolic resin layer with the glass cloth-containing layer. improves.
  • FIG. 6 is a diagram assuming a deformed state of the sealing body in the experimental example.
  • the capacitor shown in FIG. 6 is an assumption diagram shown in order to clarify the measurement object in this experimental example, and does not show the actual deformation state of the sealing plate.
  • the sealing plate 50 may be deformed due to an increase in internal pressure or the like.
  • the sealing plate 50 is configured by a laminated structure of, for example, a sealing layer 52 and a support layer 54 that supports the sealing layer 52.
  • a plurality of support layers 54 having different internal structures are formed, and the deformation state of the entire sealing plate is measured.
  • the capacitor used in this experiment has a size of ⁇ 30 ⁇ 40 [L], a rating of 450 [V], 390 [ ⁇ F], electrolytic paper is kraft paper, and the electrolyte is ethylene glycol as the main solvent.
  • five types of sealing plates 50 of Comparative Examples 1 and 2 and Examples 1 to 3 are used as the sealing plate 50.
  • the experiment was conducted by applying a voltage of 450 [V] to the capacitor equipped with each sealing plate at 105 [° C.] in the ambient environment, and calculating the deformation h (FIG. 6) of the sealing plate after 3000 [hours]. Measuring.
  • the configuration of each sealing plate and the measurement results are shown in FIG. (1)
  • the sealing plate of Comparative Example 1 is a laminate of the elastic layer 10 and the paper phenolic resin layer 12 that does not include a glass cloth-containing layer therein. When 3000 [hours] have passed, the sealing plate cannot be used as a capacitor according to the applicant's standards.
  • the sealing plate of Comparative Example 2 has two glass cloth-containing layers inside. As for the internal structure, a thick paper phenolic resin layer 11 and two glass cloth-containing layers 14 are arranged close to each other below the elastic layer 10, and a thin paper phenolic resin layer 12 is arranged therebetween. A thick paper phenolic resin layer 20 is disposed on the lower layer side.
  • This sealing plate had a deformation amount of 1.9 [mm] when 3000 [hours] had elapsed.
  • Example 3 In the sealing plate of Example 1, two glass cloth-containing layers are arranged apart from each other in the support layer. That is, a thin paper phenolic resin layer 11 is disposed under the elastic layer 10, and a thick paper phenolic resin layer 12 is disposed between the two glass cloth-containing layers 14. A thin paper phenolic resin layer 20 is disposed on the lower layer side.
  • the deformation amount of the sealing plate after 3000 [hours] was 0.8 [mm].
  • the glass cloth-containing layer which is a reinforcing material, supports the upper and lower surfaces of the paper phenolic resin layer 12 that is the base material. Durability is improved and the amount of deformation is suppressed.
  • Example 2 In the sealing plate of Example 2, four glass cloth-containing layers 14 are equally spaced apart from each other in the support layer. That is, the first paper phenolic resin layer 11 is disposed under the elastic layer 10, and the second paper phenolic resin layer 12-a and the third paper phenolic resin are disposed on the lower layer side through the glass cloth-containing layer 14, respectively. A layer 12-b and a fourth paper phenolic resin layer 12-c are disposed. And the paper phenol resin layer 20 is arrange
  • the thickness of is not significantly different from that of Comparative Example 2.
  • the paper phenolic resin layer sandwiched between the glass cloth-containing layers as a whole is thickened, the support strength and rigidity of the base material of the sealing plate are improved.
  • the overall thickness of the glass cloth-containing layer 14 is increased by increasing the number of sheets, so that the support strength, rigidity, and durability of the support layer are improved.
  • Example 3 In the sealing plate of Example 3, six glass cloth-containing layers are arranged separately in the support layer. That is, the first paper phenolic resin layer 11 is disposed under the elastic layer 10, and the thin second paper phenolic resin layer 121-1, the third paper is interposed on the lower layer side through the glass cloth containing layer 14, respectively. A phenolic resin layer 121-2 is disposed, and a thick fourth paper phenolic resin layer 121 is disposed in the center portion of the support layer. Then, a thin fifth paper phenol resin layer 121-3 and a sixth paper phenol resin layer 121-4 are disposed through the glass cloth-containing layer. And the paper phenol resin layer 20 is arrange
  • Example 3 and Comparative Example 2 The amount of deformation of this sealing plate after 3000 [hours] was 0.3 [mm].
  • the thick paper phenolic resin layer 121 is arranged in the center of the support portion, and the other paper phenolic resin layers 121-1 to 121-4 are thinned.
  • many portions of the base material were sandwiched between three glass cloth-containing layers 14 on the upper and lower surfaces, respectively, and the support strength was increased.
  • the number of the glass cloth-containing layers 14 is six, and the thickness of the glass cloth-containing layer is increased as the entire support layer, thereby improving the support strength, rigidity, and durability.
  • the strength and rigidity of the sealing plate are obtained by interposing a plurality of glass cloth-containing layers in the supporting layer of the sealing plate and sandwiching both sides of the paper phenolic resin layer as the base material. , Durability is improved. Thereby, the sealing strength of the sealing plate can be maintained high with respect to the increase in internal pressure of the capacitor and aging, and the safety of the capacitor can be improved.
  • experimental example 2 of the sealing plate will be described.
  • the following states were measured for the glass cloth-containing layer disposed on the support layer of the sealing plate when the paper phenol resin layer was not disposed on the exterior case side of the sealing plate.
  • the sealing plate 60 of Experimental Example 2 for example, as shown in FIG. 8A, the glass cloth-containing layer 16 is disposed on the lower layer side of the support layer 6, and the resin film 22 is disposed on the surface thereof.
  • (1) the presence or absence of peeling of the glass cloth-containing layer 16 and the resin film 22 was confirmed, and (2) the occurrence of burrs on the support layer 6 of the sealing plate 60 was measured.
  • Experimental Example 2 a comparison is made with the sealing plate 2 in which the paper phenol resin layer 20 is interposed between the glass cloth-containing layer 16 and the resin film 22 shown in FIG. The experiment was performed on ten sealing plates 60 and 2.
  • the glass cloth-containing layer 16 is not exposed on the exterior surface of the sealing plate, and the paper phenolic resin layer 20 is disposed on the exterior surface, thereby stabilizing the resin film 22 and foreign matters such as burrs. Occurrence is suppressed.
  • the support layer for example, at least two glass cloth-containing layers formed with a thickness of a plurality of sheets may be formed, and a paper phenolic resin layer may be disposed therebetween.
  • the sealing plate for a capacitor of the present invention the capacitor, and the manufacturing method of the sealing plate, the structure in which the paper phenol resin layer is sandwiched between the plurality of glass cloth-containing layers improves the supporting strength, rigidity, and durability of the sealing plate. This is useful because it can improve the sealing performance of the capacitor.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)

Abstract

L'invention concerne un joint d'étanchéité de condensateur (2) comprenant une couche d'étanchéité (4) comprenant un élément élastique, et une couche de support (6) stratifiés sur la couche d'étanchéité. La couche de support comprend une couche de résine de papier phénolique (12), des couches contenant du tissu de verre (14, 16) stratifiées avec la couche de résine de papier phénolique interposée entre celles-ci, et une couche de résine de papier phénolique (20) disposée sur le côté des couches contenant du tissu de verre qui n'entre pas en contact avec la couche d'étanchéité. Les effets attendus obtenus à partir de la configuration comprennent une amélioration de la résistance du joint d'étanchéité et de la résistance à la déformation, et une amélioration de l'aptitude au moulage du joint d'étanchéité.
PCT/JP2018/009206 2017-03-16 2018-03-09 Joint d'étanchéité de condensateur, condensateur et procédé de fabrication de joint d'étanchéité WO2018168688A1 (fr)

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JP2017051131A JP6937140B2 (ja) 2017-03-16 2017-03-16 コンデンサ用の封口板、コンデンサおよび封口板の製造方法
JP2017-051131 2017-03-16

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51146344U (fr) * 1975-05-19 1976-11-24
JPS54113038U (fr) * 1978-01-28 1979-08-08
JP2001230160A (ja) * 2000-02-16 2001-08-24 Nippon Chemicon Corp 電解コンデンサ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51146344U (fr) * 1975-05-19 1976-11-24
JPS54113038U (fr) * 1978-01-28 1979-08-08
JP2001230160A (ja) * 2000-02-16 2001-08-24 Nippon Chemicon Corp 電解コンデンサ

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JP2018157012A (ja) 2018-10-04

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