JP6547906B2 - 蓄電デバイス - Google Patents
蓄電デバイス Download PDFInfo
- Publication number
- JP6547906B2 JP6547906B2 JP2018520356A JP2018520356A JP6547906B2 JP 6547906 B2 JP6547906 B2 JP 6547906B2 JP 2018520356 A JP2018520356 A JP 2018520356A JP 2018520356 A JP2018520356 A JP 2018520356A JP 6547906 B2 JP6547906 B2 JP 6547906B2
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- JP
- Japan
- Prior art keywords
- electrode
- storage device
- wound
- electrode body
- positive electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
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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
- H01G11/10—Multiple hybrid or EDL capacitors, e.g. arrays or modules
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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
-
- 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
- H01G11/52—Separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0431—Cells with wound or folded electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
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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
-
- 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
図1は、第1の実施形態に係る蓄電デバイスの模式的斜視図である。図2は、第1の実施形態における電極体の模式的平面図である。図3は、図2の線III−IIIにおける電極体の模式的断面図である。
図4は、第2の実施形態における電極体の模式的断面図である。
図5は、第3の実施形態における電極体の模式的断面図である。
図6は、第4の実施形態における電極体の模式的断面図である。
2 ケース
2a 第1の端子
2b 第2の端子
3 電極体
3a 第1の電極体
3a1 巻回体
3a2 延設部
3b 第2の電極体
3b1 巻回体
3b2 延設部
11a,11b 正極
12a,12b 負極
13a,13b セパレータ
Claims (6)
- 正極と、負極と、前記正極と前記負極との間に配されたセパレータとを有する積層体により構成されており、前記積層体が巻回された巻回体と、前記積層体の一方側の端部により構成されており、前記巻回体から延びる延設部とを有する第1の電極体と、
前記延設部の上に設けられており、前記第1の電極体の前記巻回体の中心軸の延びる方向において、前記第1の電極体の巻回体と長さが異なる第2の電極体と、
を備える、蓄電デバイス。 - 前記第2の電極体は、正極と、負極と、前記正極と前記負極との間に配されたセパレータとを有する積層体が巻回された巻回体を有する、請求項1に記載の蓄電デバイス。
- 前記第2の電極体は、シート状の正極と、前記正極に積層されたシート状の負極と、前記正極と前記負極との間に設けられたセパレータとを有する積層体により構成されている、請求項1に記載の蓄電デバイス。
- 前記第1の電極体と、前記第2の電極体とで、単位容量当たりの抵抗値が異なる、請求項1〜3のいずれか一項に記載の蓄電デバイス。
- 前記第1の電極体の前記巻回体の中心軸の延びる方向における第2の電極体の長さが、同方向における前記第1の電極体の前記巻回体の長さよりも短い、請求項1〜4のいずれか一項に記載の蓄電デバイス。
- 前記第1の電極体の延接部において前記第1の電極体と前記第2の電極体とが電気的に接続されている、請求項1〜5のいずれか一項に記載の蓄電デバイス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016108295 | 2016-05-31 | ||
JP2016108295 | 2016-05-31 | ||
PCT/JP2017/005430 WO2017208511A1 (ja) | 2016-05-31 | 2017-02-15 | 蓄電デバイス |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017208511A1 JPWO2017208511A1 (ja) | 2018-11-08 |
JP6547906B2 true JP6547906B2 (ja) | 2019-07-24 |
Family
ID=60478160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018520356A Active JP6547906B2 (ja) | 2016-05-31 | 2017-02-15 | 蓄電デバイス |
Country Status (4)
Country | Link |
---|---|
US (1) | US10964978B2 (ja) |
JP (1) | JP6547906B2 (ja) |
CN (1) | CN109196703B (ja) |
WO (1) | WO2017208511A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11830672B2 (en) | 2016-11-23 | 2023-11-28 | KYOCERA AVX Components Corporation | Ultracapacitor for use in a solder reflow process |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
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US6224995B1 (en) * | 1997-03-06 | 2001-05-01 | Mitsubishi Chemical Corporation | Three dimensional free form battery apparatus |
WO2011094286A2 (en) * | 2010-01-26 | 2011-08-04 | Cymbet Corporation | Battery arrays, constructions and method |
US8940429B2 (en) * | 2010-07-16 | 2015-01-27 | Apple Inc. | Construction of non-rectangular batteries |
KR20130132230A (ko) * | 2012-05-25 | 2013-12-04 | 주식회사 엘지화학 | 단차를 갖는 전극 조립체 및 이를 포함하는 전지셀, 전지팩 및 디바이스 |
KR20130133640A (ko) * | 2012-05-29 | 2013-12-09 | 주식회사 엘지화학 | 코너부 형상이 다양한 단차를 갖는 전극 조립체, 이를 포함하는 전지셀, 전지팩 및 디바이스 |
JP6201449B2 (ja) * | 2013-06-25 | 2017-09-27 | 株式会社Gsユアサ | 電池 |
US20140113184A1 (en) * | 2012-10-18 | 2014-04-24 | Apple Inc. | Three-dimensional non-rectangular battery cell structures |
CN104428939B (zh) | 2012-11-09 | 2017-04-12 | 株式会社Lg 化学 | 具有阶梯的电极组件、包括电极组件的二次电池、电池组和装置以及制造电极组件的方法 |
KR101385732B1 (ko) * | 2012-11-22 | 2014-04-17 | 주식회사 엘지화학 | 전장의 길이가 동일하고 전폭의 길이가 상이한 전극 유닛들로 이루어진 전극 조립체, 이를 포함하는 전지셀 및 디바이스 |
KR101387424B1 (ko) * | 2012-11-22 | 2014-04-25 | 주식회사 엘지화학 | 전폭의 길이가 동일하고 전장의 길이가 상이한 전극 유닛들로 이루어진 전극 조립체, 이를 포함하는 전지셀 및 디바이스 |
KR101482837B1 (ko) * | 2013-02-08 | 2015-01-20 | 주식회사 엘지화학 | 스텝 유닛셀을 포함하는 단차를 갖는 전극 조립체 |
KR101572836B1 (ko) * | 2013-03-04 | 2015-12-01 | 주식회사 엘지화학 | 단차 구조를 포함하는 전지셀 |
KR101590259B1 (ko) | 2013-07-08 | 2016-01-29 | 주식회사 엘지화학 | 전극 조립체, 이를 포함하는 전지 및 디바이스 |
CN203377340U (zh) * | 2013-08-16 | 2014-01-01 | 东莞新能源科技有限公司 | 电芯 |
CN203574066U (zh) * | 2013-12-03 | 2014-04-30 | 宁德新能源科技有限公司 | 多芯结构的锂离子电池 |
CN104143657B (zh) * | 2014-08-13 | 2016-02-10 | 东莞新能源科技有限公司 | 电芯的制备方法 |
CN105576294A (zh) * | 2016-01-08 | 2016-05-11 | 珠海光宇电池有限公司 | 叠片式梯形电芯的制备方法及叠片式电芯 |
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2017
- 2017-02-15 JP JP2018520356A patent/JP6547906B2/ja active Active
- 2017-02-15 CN CN201780033240.3A patent/CN109196703B/zh active Active
- 2017-02-15 WO PCT/JP2017/005430 patent/WO2017208511A1/ja active Application Filing
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2018
- 2018-10-11 US US16/157,380 patent/US10964978B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2017208511A1 (ja) | 2017-12-07 |
CN109196703B (zh) | 2022-03-01 |
JPWO2017208511A1 (ja) | 2018-11-08 |
US20190044189A1 (en) | 2019-02-07 |
CN109196703A (zh) | 2019-01-11 |
US10964978B2 (en) | 2021-03-30 |
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