JP6055907B2 - 多数の電極組立体を含む二次電池 - Google Patents
多数の電極組立体を含む二次電池 Download PDFInfo
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- JP6055907B2 JP6055907B2 JP2015506925A JP2015506925A JP6055907B2 JP 6055907 B2 JP6055907 B2 JP 6055907B2 JP 2015506925 A JP2015506925 A JP 2015506925A JP 2015506925 A JP2015506925 A JP 2015506925A JP 6055907 B2 JP6055907 B2 JP 6055907B2
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- 230000000712 assembly Effects 0.000 title description 16
- 238000000429 assembly Methods 0.000 title description 16
- 239000012528 membrane Substances 0.000 claims description 35
- 238000000926 separation method Methods 0.000 claims description 35
- 239000007773 negative electrode material Substances 0.000 claims description 9
- 239000007774 positive electrode material Substances 0.000 claims description 9
- 239000007772 electrode material Substances 0.000 description 8
- 230000007423 decrease Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010294 electrolyte impregnation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000011149 active material Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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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
- H01M10/04—Construction or manufacture in general
-
- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like 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
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- 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
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M2010/4292—Aspects relating to capacity ratio of electrodes/electrolyte or anode/cathode
-
- 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
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Battery Mounting, Suspending (AREA)
Description
第2正極、第2分離膜及び第2負極を含む第2電極組立体を含み、
前記第2電極組立体の極板面積が前記第1電極組立体の極板面積より小さい場合、前記第2電極組立体の断面の厚さは、前記第1電極組立体の断面の厚さより大きいことを特徴とする二次電池を提供する。
0.5≦S2/S1≦0.98 (1)
S1は、第1電極組立体の極板面積であり、 S2は、第2電極組立体の極板面積である。
0≦I1/I2≦0.2 (2)
I1は第1電極組立体の断面の厚さであり、 I2は第2電極組立体の断面の厚さである。
Claims (10)
- 第1正極、第1分離膜及び第1負極を含む第1電極組立体;
第2正極、第2分離膜及び第2負極を含む第2電極組立体を含み、
前記第1電極組立体と前記第2電極組立体は積層され、
前記第2電極組立体の極板面積が前記第1電極組立体の極板面積より小さく、
前記第2電極組立体の断面の厚さは、前記第1電極組立体の断面の厚さより大きく、
前記第1正極及び第2正極は、正極集電体の両面又は一面に正極活物質が塗布されるものであり、
前記第1負極及び第2負極は、負極集電体の両面又は一面に負極活物質が塗布されるものであり、
前記第2電極組立体の前記第2正極の正極活物質層が、前記第1電極組立体の前記第1正極の正極活物質層よりさらに厚く、
前記第2電極組立体の前記第2負極の負極活物質層が、前記第1電極組立体の前記第1負極の負極活物質層よりさらに厚いことを特徴とする二次電池。 - 前記第1電極組立体の極板面積と第2電極組立体の極板面積は、下記式(1)で表されることを特徴とする請求項1に記載の二次電池:
0.5≦S2/S1≦0.98 (1)
S1は第1電極組立体の極板面積であり、S2は第2電極組立体の極板面積である。 - 前記第1電極組立体の断面の厚さと第2電極組立体の断面の厚さは、下記式(2)で表されることを特徴とする請求項1に記載の二次電池:
0<I 1 /I 2 ≦0.2 (2)
I1は第1電極組立体の断面の厚さであり、I2は第2電極組立体の断面の厚さである。 - 前記第1正極の単位面積当たりの電池容量は、0.0121乃至0.0123 Ah/cm2であることを特徴とする請求項1に記載の二次電池。
- 前記第2正極の単位面積当たりの電池容量は、0.0123乃至0.0126 Ah/cm2であることを特徴とする請求項1に記載の二次電池。
- 前記第1負極の単位面積当たりの電池容量は、0.0132乃至0.0136 Ah/cm2であることを特徴とする請求項1に記載の二次電池。
- 前記第2負極の単位面積当たりの電池容量は、0.0135乃至0.0139 Ah/cm2であることを特徴とする請求項1に記載の二次電池。
- 前記第1電極組立体と前記第2電極組立体との電池容量は同一であることを特徴とする請求項1に記載の二次電池。
- 請求項1に記載の二次電池を2つ以上電気的に接続して含むことを特徴とする中大型電池モジュール。
- 請求項9に記載の中大型電池モジュールを2つ以上電気的に接続して含むことを特徴とする中大型電池パック。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2013-0001712 | 2013-01-07 | ||
KR1020130001712A KR101577494B1 (ko) | 2013-01-07 | 2013-01-07 | 다수의 전극조립체를 포함하는 이차전지 |
PCT/KR2014/000083 WO2014107061A1 (ko) | 2013-01-07 | 2014-01-06 | 다수의 전극조립체를 포함하는 이차전지 |
Publications (2)
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JP2015514303A JP2015514303A (ja) | 2015-05-18 |
JP6055907B2 true JP6055907B2 (ja) | 2016-12-27 |
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JP2015506925A Active JP6055907B2 (ja) | 2013-01-07 | 2014-01-06 | 多数の電極組立体を含む二次電池 |
Country Status (7)
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US (1) | US9437898B2 (ja) |
EP (1) | EP2779296B1 (ja) |
JP (1) | JP6055907B2 (ja) |
KR (1) | KR101577494B1 (ja) |
CN (1) | CN104040776B (ja) |
TW (1) | TWI500199B (ja) |
WO (1) | WO2014107061A1 (ja) |
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KR20160080448A (ko) | 2014-12-29 | 2016-07-08 | 이재훈 | 야생동물로부터 농작물을 지키기 위한 시스템 |
DE102017202995A1 (de) * | 2017-02-24 | 2018-08-30 | Robert Bosch Gmbh | Elektrische Energiespeichereinheit mit mindestens einer elektrisch isolierten Elektrodenmateriallage und entsprechendes Herstellungsverfahren |
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JP3611765B2 (ja) * | 1999-12-09 | 2005-01-19 | シャープ株式会社 | 二次電池及びそれを用いた電子機器 |
TW543230B (en) * | 2001-04-24 | 2003-07-21 | Reveo Inc | Hybrid electrochemical cell system |
KR100440934B1 (ko) * | 2002-02-06 | 2004-07-21 | 삼성에스디아이 주식회사 | 이차전지 |
JP5460948B2 (ja) * | 2004-02-06 | 2014-04-02 | エー123 システムズ, インコーポレイテッド | 高速充放電性能を備えたリチウム二次電池 |
TW200840120A (en) * | 2007-03-20 | 2008-10-01 | Industrie De Nora Spa | Electrochemical cell and method for operating the same |
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WO2011126310A2 (ko) | 2010-04-06 | 2011-10-13 | 주식회사 엘지화학 | 스택 타입 셀, 개선된 바이-셀, 이들을 이용한 이차 전지용 전극 조립체 및 그 제조 방법 |
US9040187B2 (en) * | 2010-07-13 | 2015-05-26 | Apple, Inc. | Battery pack with cells of different capacities electrically coupled in parallel |
US8940429B2 (en) | 2010-07-16 | 2015-01-27 | Apple Inc. | Construction of non-rectangular batteries |
US9289611B2 (en) * | 2011-11-22 | 2016-03-22 | Medtronic, Inc. | Electrochemical cell with adjacent cathodes |
KR20130118716A (ko) | 2012-04-20 | 2013-10-30 | 주식회사 엘지화학 | 전극 조립체, 이를 포함하는 전지셀 및 디바이스 |
WO2013180482A1 (ko) * | 2012-05-30 | 2013-12-05 | 주식회사 엘지화학 | 전극탭 접합성이 우수한 전극 조립체, 이를 포함하는 전지셀, 디바이스 및 이의 제조방법 |
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 |
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2013
- 2013-01-07 KR KR1020130001712A patent/KR101577494B1/ko active IP Right Grant
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2014
- 2014-01-06 CN CN201480000266.4A patent/CN104040776B/zh active Active
- 2014-01-06 EP EP14711438.3A patent/EP2779296B1/en active Active
- 2014-01-06 WO PCT/KR2014/000083 patent/WO2014107061A1/ko active Application Filing
- 2014-01-06 JP JP2015506925A patent/JP6055907B2/ja active Active
- 2014-01-07 TW TW103100537A patent/TWI500199B/zh active
- 2014-05-21 US US14/283,650 patent/US9437898B2/en active Active
Also Published As
Publication number | Publication date |
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US20140255762A1 (en) | 2014-09-11 |
JP2015514303A (ja) | 2015-05-18 |
CN104040776B (zh) | 2016-06-22 |
CN104040776A (zh) | 2014-09-10 |
US9437898B2 (en) | 2016-09-06 |
TW201442320A (zh) | 2014-11-01 |
TWI500199B (zh) | 2015-09-11 |
WO2014107061A1 (ko) | 2014-07-10 |
KR20140090341A (ko) | 2014-07-17 |
EP2779296A1 (en) | 2014-09-17 |
EP2779296A4 (en) | 2016-06-08 |
EP2779296B1 (en) | 2017-09-13 |
KR101577494B1 (ko) | 2015-12-15 |
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