JP5099964B2 - 電気化学セル及びその製造方法 - Google Patents
電気化学セル及びその製造方法 Download PDFInfo
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
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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
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/14—Arrangements or processes for adjusting or protecting hybrid or EDL capacitors
- H01G11/20—Reformation or processes for removal of impurities, e.g. scavenging
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/26—Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features
- H01G11/28—Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features arranged or disposed on a current collector; Layers or phases between electrodes and current collectors, e.g. adhesives
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/66—Current collectors
- H01G11/68—Current collectors characterised by their 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/663—Selection of materials containing carbon or carbonaceous materials as conductive part, e.g. graphite, carbon fibres
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/665—Composites
- H01M4/667—Composites in the form of layers, e.g. coatings
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
-
- 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
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
- H01M50/117—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
- 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
- H01M50/147—Lids or covers
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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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/75—Wires, rods or strips
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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
- Y02E60/10—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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Description
蓋102と負極活物質107は、あらかじめ炭素を含有する導電性接着剤1112で接着した。
たとえば、容器101が熱膨張係数6.8×10−6/℃のアルミナを用いる場合金属リングとしては熱膨張係数5.2×10−6/℃のコバールを用いることが望ましい。
容器101の金属の露出している部分にはニッケルめっきを施した後、金めっきを施した。金めっき後、被覆部112はアルミニウムの溶射により形成した。
蓋102は、2×4mm、厚さ0.15mmのコバールの板にニッケルめっきを施したものを用いた。
容器101の接続端子にはニッケルめっきを施した後、金めっきを施した。
1011 容器底面
102 蓋
103 正極集電体
1041 接続端子A
1042 接続端子B
105 セパレータ
106 正極活物質
107 負極活物質
108 電解液
109 金属リング
1111 導電性接着剤
1112 導電性接着剤
112 被覆部
Claims (12)
- 正極活物質と、負極活物質と、電解液と、前記正極活物質と前記負極活物質とを分離するセパレータと、前記正極活物質と前記負極活物質と前記電解液と前記セパレータとを、容器と、この容器の上端縁に固定された金属リングと、この金属リングの上面に固定された蓋とによって形成される空間に収納し、前記容器の底面に設けられた正極集電体と、前記容器の外壁に配設され前記正極集電体と接続された第一の接続端子と、前記容器の外壁に配設され前記金属リングと電気的に接続された第二の接続端子とを有する電気化学セルにおいて、
前記正極集電体は、一部が前記容器に埋設され、かつ前記容器に埋設されていない部分は、前記容器の底面の穴形状であり、弁金属からなる被覆部で覆われ、露出しないように形成されていると共に、この被覆部を介して正極活物質と電気的に接続しているように形成したことを特徴とする電気化学セル。 - 前記被覆部は、導電性接着剤により前記正極活物質と接着されていることを特徴とする請求項1に記載の電気化学セル。
- 前記正極集電体は、金またはニッケルでメッキされていることを特徴とする請求項1または2に記載の電気化学セル。
- 前記正極活物質に対する前記導電性接着剤の塗布面積が、前記被覆部の面積より大きいことを特徴とする請求項2に記載の電気化学セル。
- 前記正極集電体は、タングステンであることを特徴とする請求項1から4のいずれか一項に記載の電気化学セル。
- 前記弁金属は、アルミニウム、タンタル、ニオブ、チタン、ハフニウム、ジルコニウムのいずれかであることを特徴とする請求項1から5のいずれか一項に記載の電気化学セル。
- 前記容器は、セラミックスであることを特徴とする請求項1から6のいずれか一項に記載の電気化学セル。
- 前記正極集電体は、前記正極集電体の上にアルミナグリーンシートを配設することにより埋設されることを特徴とする請求項1から7のいずれか一項に記載の電気化学セル。
- 前記正極集電体は、前記アルミナグリーンシートの穴に配設された前記被覆部を介して前記正極集電体と電気的に接続されていることを特徴とする請求項8に記載の電気化学セル。
- 前記正極集電体は、前記アルミナグリーンシートの穴の形状であるか、線状、または帯状のいずれかであることを特徴とする請求項8または9に記載の電気化学セル。
- 底面となる第一のアルミナグリーンシートを配設し、前記第一のアルミナグリーンシートの表面にタングステンプリントを施すことにより正極集電体と接続端子とを作成する工程と、
後述する容器を封止する行程が終了した後の容器底面に相当する位置に第二の穴が開いているアルミナグリーンシートにより、前記正極集電体の一部を埋設し前記底面上に外壁を配設する工程と、
前記正極集電体の表面上に、露出のないように、弁金属からなる被覆部を配設する工程と、
容器と、この容器の上端縁に固定された金属リングと、この金属リングの上面に固定された蓋とによって形成される封止空間に、正極活物質、負極活物質、セパレータ、及び電解液を収納すると共に、前記正極集電体が被覆部を介して正極活物質に電気的に接続される収納工程と、
収納工程の後、前記容器、前記金属リング及び前記蓋を溶接し、容器を封止する工程と、
を有することを特徴とする電気化学セルの製造方法。 - 前記収納工程は、前記被覆部と正極活物質とを導電性接着剤で接着することを特徴とする請求項11に記載の電気化学セルの製造方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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JP2004268915A JP5099964B2 (ja) | 2003-12-25 | 2004-09-15 | 電気化学セル及びその製造方法 |
TW093138407A TWI351778B (en) | 2003-12-25 | 2004-12-10 | Electrochemical cell |
EP04257970A EP1553649B1 (en) | 2003-12-25 | 2004-12-20 | Electrochemical cell |
DE602004032507T DE602004032507D1 (de) | 2003-12-25 | 2004-12-20 | Elektrochemische Zelle |
US11/021,067 US7749649B2 (en) | 2003-12-25 | 2004-12-23 | Electrochemical cell having container with embedded positive electrode current collector |
KR1020040112229A KR101094597B1 (ko) | 2003-12-25 | 2004-12-24 | 전기화학 전지 |
CNB2004100615182A CN100446332C (zh) | 2003-12-25 | 2004-12-27 | 电化学电池 |
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JP2003430343 | 2003-12-25 | ||
JP2003430343 | 2003-12-25 | ||
JP2004268915A JP5099964B2 (ja) | 2003-12-25 | 2004-09-15 | 電気化学セル及びその製造方法 |
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JP2012184791A Division JP5283098B2 (ja) | 2003-12-25 | 2012-08-24 | 電気化学セル |
JP2012184789A Division JP5212998B2 (ja) | 2003-12-25 | 2012-08-24 | 電気化学セル |
JP2012184790A Division JP5283097B2 (ja) | 2003-12-25 | 2012-08-24 | 電気化学セル |
JP2012184788A Division JP5212997B2 (ja) | 2003-12-25 | 2012-08-24 | 電気化学セル |
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JP2005210064A JP2005210064A (ja) | 2005-08-04 |
JP5099964B2 true JP5099964B2 (ja) | 2012-12-19 |
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US (1) | US7749649B2 (ja) |
EP (1) | EP1553649B1 (ja) |
JP (1) | JP5099964B2 (ja) |
KR (1) | KR101094597B1 (ja) |
CN (1) | CN100446332C (ja) |
DE (1) | DE602004032507D1 (ja) |
TW (1) | TWI351778B (ja) |
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JP4034940B2 (ja) * | 2001-02-27 | 2008-01-16 | 独立行政法人科学技術振興機構 | 非水電解液を用いたリチウム二次電池 |
US20020136946A1 (en) * | 2001-03-21 | 2002-09-26 | Amatucci Glenn G. | High voltage rechargeable electrochemical energy storage system structure |
JP2003100300A (ja) * | 2001-09-20 | 2003-04-04 | Japan Science & Technology Corp | 非水溶液電解液二次電池 |
WO2003067683A2 (en) * | 2002-02-06 | 2003-08-14 | Celltech Power, Inc. | Current collectors |
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2004
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US20050158628A1 (en) | 2005-07-21 |
US7749649B2 (en) | 2010-07-06 |
TW200527733A (en) | 2005-08-16 |
CN1638180A (zh) | 2005-07-13 |
EP1553649A2 (en) | 2005-07-13 |
KR20050065430A (ko) | 2005-06-29 |
DE602004032507D1 (de) | 2011-06-16 |
EP1553649A3 (en) | 2006-12-06 |
TWI351778B (en) | 2011-11-01 |
JP2005210064A (ja) | 2005-08-04 |
KR101094597B1 (ko) | 2011-12-15 |
EP1553649B1 (en) | 2011-05-04 |
CN100446332C (zh) | 2008-12-24 |
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