JP4591931B2 - 電気化学セル - Google Patents
電気化学セル Download PDFInfo
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- JP4591931B2 JP4591931B2 JP2007528364A JP2007528364A JP4591931B2 JP 4591931 B2 JP4591931 B2 JP 4591931B2 JP 2007528364 A JP2007528364 A JP 2007528364A JP 2007528364 A JP2007528364 A JP 2007528364A JP 4591931 B2 JP4591931 B2 JP 4591931B2
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- electrochemical cell
- terminal
- concave container
- internal
- protective film
- Prior art date
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/586—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
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- Electric Double-Layer Capacitors Or The Like (AREA)
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Description
また、上記電気化学セルにおいて、前記保護膜は、アルミニウムまたは炭素を主体とした材料からなるものであってもよい。
本発明を具体化した一実施形態の電気化学セル(電気二重層キャパシタおよび電池)を図1〜図4に従って説明する。図1は、電気化学セルの断面図、図2は、該電気化学セルを構成する凹状容器の斜視図、図3は、該電気化学セルの分解図を示す。
(参考例)
次に、参考例について、上記実施形態との相違点を中心に、図5〜図8に従って説明する。図5は本参考例の電気化学セルの断面図、図6は該電気化学セルを構成する凹状容器の斜視図、図7は該凹状容器の底面図、図8は該電気化学セルの分解図を示す。
なる内部端子5aは、パターン形成時のマスクズレなどによる内部端子5a間の短絡を抑制させるとともに、その電解質10との接触頻度を低下させる。
Claims (6)
- 一対の電極と電解質を収納室に収納する凹状容器と、
前記一対の電極のいずれか一方にのみ共通接続する複数の内部端子を有して前記凹状容器を貫通する端子と、
前記収納室に形成されて前記複数の内部端子を覆う保護膜とを備え、
前記凹状容器は、四角板状の底部と該底部の外縁に沿う四角枠状の壁部とから構成され、
前記電解質は、液体状またはゲル状であり、
前記内部端子は、前記底部の上面に形成されて、該上面からの厚みを有する層であり、
前記保護膜は、前記内部端子間を埋めるように前記複数の内部端子の全体を覆う
ことを特徴とする電気化学セル。 - 前記端子は、
前記凹状容器の外側面に設けられた共通外部端子と、
前記収納室の外側で前記内部端子と前記共通外部端子とを共通接続する複数の配線と
を備え、
前記複数の配線は、
前記底部と前記壁部との間に形成されている
ことを特徴とする請求項1の電気化学セル。 - 前記内部端子は、タングステン、モリブデン、ニッケル、金及びこれらの複合材料からなる群から選ばれる少なくとも1種類からなり、かつ単層または複数層からなることを特徴とする請求項1または請求項2に記載の電気化学セル。
- 前記内部端子は、炭素を主体とした導電性材料からなることを特徴とする請求項1〜請求項3のいずれか一項に記載の電気化学セル。
- 前記凹状容器は、アルミナ、窒化ケイ素、ジルコニア、炭化ケイ素、窒化アルミニウム、ムライト及びこれらの複合材料からなる群から選ばれる少なくとも1種類を含むセラミ
ックからなることを特徴とする請求項1〜請求項4のいずれか一項に記載の電気化学セル。 - 前記保護膜は、アルミニウムまたは炭素を主体とした材料からなることを特徴とする請求項1〜請求項5のいずれか一項に記載の電気化学セル。
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