JP2010251797A5 - - Google Patents
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- JP2010251797A5 JP2010251797A5 JP2010156840A JP2010156840A JP2010251797A5 JP 2010251797 A5 JP2010251797 A5 JP 2010251797A5 JP 2010156840 A JP2010156840 A JP 2010156840A JP 2010156840 A JP2010156840 A JP 2010156840A JP 2010251797 A5 JP2010251797 A5 JP 2010251797A5
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- Prior art keywords
- cation
- capacitor according
- capacitor
- heat
- molten salt
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- 239000003990 capacitor Substances 0.000 claims description 27
- 239000008151 electrolyte solution Substances 0.000 claims description 15
- -1 tetraalkylammonium cation Chemical class 0.000 claims description 14
- 150000003839 salts Chemical class 0.000 claims description 12
- 239000011780 sodium chloride Substances 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 150000001768 cations Chemical class 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- RUOJZAUFBMNUDX-UHFFFAOYSA-N Propylene carbonate Chemical group CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 2
- RAXXELZNTBOGNW-UHFFFAOYSA-O imidazolium Chemical compound C1=C[NH+]=CN1 RAXXELZNTBOGNW-UHFFFAOYSA-O 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-O piperidinium(1+) Chemical compound C1CC[NH2+]CC1 NQRYJNQNLNOLGT-UHFFFAOYSA-O 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000003792 electrolyte Substances 0.000 claims 3
Description
本発明にかかるキャパシタは、正極及び負極として作用する一対の電極と、電解液と、前記電極と前記電解液とを収納するセラミックからなる耐熱容器と、前記耐熱容器を溶接により封止する蓋とを有するキャパシタであって、前記電解液は、常温溶融塩を含むものであり、前記溶接は、レーザーシーム溶接であることを特徴とする。A capacitor according to the present invention includes a pair of electrodes that act as a positive electrode and a negative electrode, an electrolytic solution, a heat-resistant container made of ceramic containing the electrode and the electrolytic solution, and a lid that seals the heat-resistant container by welding. The electrolytic solution includes a room temperature molten salt, and the welding is laser seam welding.
また、本発明にかかるキャパシタは、前記常温溶融塩のカチオンがイミダゾリウムカチオン、テトラアルキルアンモニウムカチオン、ピリジニウムカチオン、ピラゾリウムカチオン、ピロリウムカチオン、ピロリニウムカチオン、ピロリジニウムカチオン、ピペリジニウムカチオンのいずれかであることを特徴とする。In the capacitor according to the present invention, the cation of the room temperature molten salt is an imidazolium cation, a tetraalkylammonium cation, a pyridinium cation, a pyrazolium cation, a pyrrolium cation, a pyrrolinium cation, a pyrrolidinium cation, or a piperidinium cation. It is either of these.
また、本発明にかかるキャパシタは、前記常温溶融塩のカチオンが１‐エチル‐３‐メチルイミダゾリウムカチオンであることを特徴とする。In the capacitor according to the present invention, the cation of the room temperature molten salt is a 1-ethyl-3-methylimidazolium cation.
また、本発明にかかるキャパシタは、前記常温溶融塩を前記電解液に対して１０重量％以上含むことを特徴とする。Moreover, the capacitor according to the present invention is characterized in that the room temperature molten salt is contained in an amount of 10% by weight or more based on the electrolytic solution.
また、本発明にかかるキャパシタは、前記電解液は、有機溶媒を含むことを特徴とする。The capacitor according to the present invention is characterized in that the electrolytic solution contains an organic solvent.
また、本発明にかかるキャパシタは、前記有機溶媒が、プロピレンカーボネートであることを特徴とする。In the capacitor according to the present invention, the organic solvent is propylene carbonate.
また、本発明にかかるキャパシタは、前記キャパシタの内部抵抗値が、１１０Ω以下であることを特徴とする。The capacitor according to the present invention is characterized in that an internal resistance value of the capacitor is 110Ω or less.
また、本発明にかかるキャパシタは、前記蓋の接合面と、前記耐熱容器の側壁端部または前記耐熱容器の側壁端部に設けられた金属リング上にはニッケルメッキが施されていることを特徴とする。The capacitor according to the present invention is characterized in that nickel plating is applied to the joint surface of the lid and a metal ring provided at a side wall end of the heat resistant container or a side wall end of the heat resistant container. And
本発明にかかるキャパシタの製造方法は、セラミックからなる耐熱容器に、第一の電極と、セパレータと、第二の電極と、常温溶融塩を含む電解液とを収納する第一工程と、蓋と前記耐熱容器とをレーザーシーム溶接によって封止する第二工程からなることを特徴とする。The method for manufacturing a capacitor according to the present invention includes a first step of housing a first electrode, a separator, a second electrode, and an electrolytic solution containing a room temperature molten salt in a heat-resistant container made of ceramic, a lid, It comprises a second step of sealing the heat-resistant container with laser seam welding.
また、本発明にかかるキャパシタの製造方法は、前記第二工程は、電解液が蒸発する状態で溶接することを特徴とする。The capacitor manufacturing method according to the present invention is characterized in that the second step is welding in a state where the electrolytic solution evaporates.
また、本発明にかかるキャパシタの製造方法は、前記第一工程における前記電解液には、前記電解液に対して１０重量％以上の常温溶融塩が混合され、前記第二工程で封止した前記キャパシタの内部抵抗値が、１１０Ω以下であることを特徴とする。Further, in the method for manufacturing a capacitor according to the present invention, the electrolytic solution in the first step is mixed with 10% by weight or more of a room temperature molten salt with respect to the electrolytic solution and sealed in the second step. The internal resistance value of the capacitor is 110Ω or less.
Claims (11)
前記電解液は、常温溶融塩を含むものであり、
前記溶接は、レーザーシーム溶接であることを特徴とするキャパシタ。 A capacitor having a pair of electrodes that act as a positive electrode and a negative electrode, an electrolytic solution, a heat-resistant container made of ceramic that contains the electrode and the electrolytic solution, and a lid that seals the heat-resistant container by welding,
The electrolytic solution contains a room temperature molten salt,
The capacitor is characterized in that the welding is laser seam welding.
蓋と前記耐熱容器とをレーザーシーム溶接によって封止する第二工程からなるキャパシタの製造方法。 A first step of storing a first electrode, a separator, a second electrode, and an electrolyte containing a room temperature molten salt in a heat-resistant container made of ceramic ,
A capacitor manufacturing method comprising a second step of sealing a lid and the heat-resistant container by laser seam welding.
前記第二工程で封止した前記キャパシタの内部抵抗値が、１１０Ω以下であることを特徴とする請求項９または１０に記載のキャパシタの製造方法。 The electrolyte solution in the first step is mixed with 10% by weight or more of a room temperature molten salt with respect to the electrolyte solution,
11. The method of manufacturing a capacitor according to claim 9 , wherein an internal resistance value of the capacitor sealed in the second step is 110Ω or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010156840A JP2010251797A (en) | 2010-07-09 | 2010-07-09 | Capacitor and method of manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010156840A JP2010251797A (en) | 2010-07-09 | 2010-07-09 | Capacitor and method of manufacturing the same |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005089017A Division JP2006269946A (en) | 2005-03-25 | 2005-03-25 | Capacitor and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010251797A JP2010251797A (en) | 2010-11-04 |
| JP2010251797A5 true JP2010251797A5 (en) | 2012-05-10 |
Family
ID=43313696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010156840A Pending JP2010251797A (en) | 2010-07-09 | 2010-07-09 | Capacitor and method of manufacturing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2010251797A (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004227959A (en) * | 2003-01-23 | 2004-08-12 | Sii Micro Parts Ltd | Nonaqueous electrolyte battery and electric double layer capacitor |
| JP2004273832A (en) * | 2003-03-10 | 2004-09-30 | Stella Chemifa Corp | Non-aqueous electrolyte composed of cold molten salt and organic solvent |
| JP4527366B2 (en) * | 2003-05-30 | 2010-08-18 | セイコーインスツル株式会社 | Method for producing electrochemical cell |
| JP4361319B2 (en) * | 2003-06-05 | 2009-11-11 | セイコーインスツル株式会社 | Electrochemical cell and method for producing the same |
-
2010
- 2010-07-09 JP JP2010156840A patent/JP2010251797A/en active Pending
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