JP4550519B2 - 電気化学セルおよびその製造方法 - Google Patents
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- H—ELECTRICITY
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- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
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- H01G11/04—Hybrid capacitors
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- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
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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
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/183—Sealing members
- H01M50/184—Sealing members characterised by their shape or structure
-
- 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
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
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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
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/191—Inorganic material
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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
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- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- 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
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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
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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
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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
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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
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- Y10T29/4911—Electric battery cell making including sealing
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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
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- Y10T29/49002—Electrical device making
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- Y10T29/49114—Electric battery cell making including adhesively bonding
Description
2 電極
3 セパレータ
4 電極
5 電解液
6 封止板
7 溶接部
8 腐食部
9 金属リング
Claims (25)
- 正極電極及び負極電極と、前記正極電極及び前記負極電極を分離するセパレータと、電解液と、前記正極電極と前記負極電極と前記セパレータと前記電解液とを収納する容器と、前記容器の側壁端部に設けられた接合材と、前記接合材を介して溶接により前記容器を封止する封止板とからなる電気化学セルにおいて、
前記接合材を介して前記封止板と前記容器が溶接された溶接部の電解液と接触する面が酸化されていないことを特徴とする電気化学セル。 - 前記電解液が酸化されていないことを特徴とする請求項1に記載の電気化学セル。
- 正極電極及び負極電極と、前記正極電極及び前記負極電極を分離するセパレータと、電解液と、前記正極電極と前記負極電極と前記セパレータと前記電解液とを収納する容器と、前記容器の側壁端部に設けられた金属リングと、前記金属リングを介して溶接により前記容器を封止する封止板とからなる電気化学セルにおいて、
前記金属リングを介して前記封止板と前記容器が溶接された溶接部の電解液と接触する面が酸化されていないことを特徴とする電気化学セル。 - 前記電解液が酸化されていないことを特徴とする請求項3に記載の電気化学セル。
- 正極電極及び負極電極と、前記正極電極及び前記負極電極を分離するセパレータと、電解液と、前記正極電極と前記負極電極と前記セパレータと前記電解液とを収納する容器と、前記容器の側壁端部に設けられた接合材と、前記接合材を介して溶接により前記容器を封止する封止板とからなる電気化学セルにおいて、
前記接合材を介して前記封止板と前記容器が溶接された溶接部と電解液とが接触し、かつ前記電解液が酸化されていないことを特徴とする電気化学セル。 - 正極電極及び負極電極と、前記正極電極及び前記負極電極を分離するセパレータと、電解液と、前記正極電極と前記負極電極と前記セパレータと前記電解液とを収納する容器と、前記容器の側壁端部に設けられた金属リングと、前記金属リングを介して溶接により前記容器を封止する封止板とからなる電気化学セルにおいて、
前記金属リングを介して前記封止板と前記容器が溶接された溶接部と電解液とが接触し、かつ前記電解液が酸化されていないことを特徴とする電気化学セル。 - 前記溶接は、抵抗シーム溶接またはレーザーシーム溶接であることを特徴とする請求項1から請求項6のいずれか一項に記載の電気化学セル。
- 前記容器は、耐熱性材料からなることを特徴とする請求項1から請求項7のいずれか一項に記載の電気化学セル。
- 前記容器は、セラミック又はガラスのいずれかからなることを特徴とする請求項3、請求項4、及び請求項6のいずれか一項に記載の電気化学セル。
- 前記容器は、樹脂からなることを特徴とする請求項3、請求項4、及び請求項6のいずれか一項に記載の電気化学セル。
- 前記樹脂は、エポキシ樹脂からなることを特徴とする請求項10に記載の電気化学セル。
- 正極電極及び負極電極と、前記正極電極及び前記負極電極を分離するセパレータとを容器内に積層配置する第一工程と、
前記容器に電解液を注入する第二工程と、
前記容器の側壁端部上に形成された接合材上に前記封止板を載置する第三工程と、
前記接合材に前記電解液が接触した状態で、かつ不活性雰囲気下で前記容器と封止板を溶接し封止する第四工程と、
からなる電気化学セルの製造方法。 - 第一の電極を容器の底部に接合し、セパレータを前記第一の電極上に配する第一工程と、
前記容器に電解液を注入する第二工程と、
第二の電極を封止板に接合し、前記容器の側壁端部上に形成された接合材上に前記封止板を載置する第三工程と、
前記接合材に前記電解液が接触した状態で、かつ不活性雰囲気下で前記容器と封止板を溶接し封止する第四工程と、
からなる電気化学セルの製造方法。 - 正極電極を容器の底部に接合し、セパレータを前記正極電極上に配する第一工程と、
前記容器に電解液を注入する第二工程と、
負極電極を封止板に接合し、前記容器の側壁端部上に形成された接合材上に前記封止板を載置する第三工程と、
前記接合材に前記電解液が接触した状態で、かつ不活性雰囲気下で前記容器と封止板を溶接し封止する第四工程と、
からなる電気化学セルの製造方法。 - 正極電極及び負極電極と、前記正極電極及び前記負極電極を分離するセパレータとを容器内に積層配置する第一工程と、
前記容器に電解液を注入する第二工程と、
前記容器の側壁端部上に形成された金属リング上に前記封止板を載置する第三工程と、
前記金属リングに前記電解液が接触した状態で、かつ不活性雰囲気下で前記容器と封止板を溶接し封止する第四工程と、
からなる電気化学セルの製造方法。 - 第一の電極を容器の底部に接合し、セパレータを前記第一の電極上に配する第一工程と、
前記容器に電解液を注入する第二工程と、
第二の電極を封止板に接合し、前記容器の側壁端部上に形成された金属リング上に前記封止板を載置する第三工程と、
前記金属リングに前記電解液が接触した状態で、かつ不活性雰囲気下で前記容器と封止板を溶接し封止する第四工程と、
からなる電気化学セルの製造方法。 - 正極電極を容器の底部に接合し、セパレータを前記正極電極上に配する第一工程と、
前記容器に電解液を注入する第二工程と、
負極電極を封止板に接合し、前記容器の側壁端部上に形成された金属リング上に前記封止板を載置する第三工程と、
前記金属リングに前記電解液が接触した状態で、かつ不活性雰囲気下で前記容器と封止板を溶接し封止する第四工程と、
からなる電気化学セルの製造方法。 - 前記不活性雰囲気は、窒素雰囲気またはアルゴン雰囲気であることを特徴とする請求項12から請求項17のいずれか一項に記載の電気化学セルの製造方法。
- 前記溶接は、抵抗シーム溶接またはレーザーシーム溶接であることを特徴とする請求項12から請求項17のいずれか一項に記載の電気化学セルの製造方法。
- 前記不活性雰囲気下は加圧された不活性雰囲気下あることを特徴とする請求項12から請求項17のいずれか一項に記載の電気化学セルの製造方法。
- 前記容器は、耐熱性材料からなることを特徴とする請求項12から請求項17のいずれか一項に記載の電気化学セルの製造方法。
- 前記容器は、セラミック又はガラスのいずれかからなることを特徴とする請求項15から請求項17のいずれか一項に記載の電気化学セルの製造方法。
- 前記容器は、樹脂であることを特徴とする請求項15から請求項17のいずれか一項に記載の電気化学セルの製造方法。
- 前記樹脂は、エポキシ樹脂であることを特徴とする請求項23に記載の電気化学セルの製造方法。
- 前記不活性雰囲気は、露点が0度以下であることを特徴とする請求項15から請求項17のいずれか一項に記載の電気化学セルの製造方法。
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