KR100496305B1 - 파우치형 리튬 이차 전지와 이의 제조 방법 - Google Patents
파우치형 리튬 이차 전지와 이의 제조 방법 Download PDFInfo
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- KR100496305B1 KR100496305B1 KR10-2003-0032554A KR20030032554A KR100496305B1 KR 100496305 B1 KR100496305 B1 KR 100496305B1 KR 20030032554 A KR20030032554 A KR 20030032554A KR 100496305 B1 KR100496305 B1 KR 100496305B1
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- Prior art keywords
- case
- sealing surface
- electrode tab
- lithium secondary
- secondary battery
- Prior art date
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- Expired - Lifetime
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 title claims description 12
- 238000007789 sealing Methods 0.000 claims abstract description 69
- 230000001681 protective effect Effects 0.000 claims abstract description 35
- 238000005452 bending Methods 0.000 claims description 7
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 208000032953 Device battery issue Diseases 0.000 claims description 2
- 238000010292 electrical insulation Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- -1 polyethylene Polymers 0.000 description 4
- 239000011888 foil Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000011267 electrode slurry Substances 0.000 description 2
- 239000011244 liquid electrolyte Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229910052987 metal hydride Inorganic materials 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000005518 polymer electrolyte Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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
- H01M10/0585—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
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
-
- 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
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/178—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for pouch or flexible bag cells
-
- 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
- H01M50/547—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
-
- 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
-
- 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
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
- H01M50/597—Protection against reversal of polarity
-
- 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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/117—Inorganic material
- H01M50/119—Metals
-
- 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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/121—Organic material
-
- 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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
- H01M50/126—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers
- H01M50/129—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers with two or more layers of only organic material
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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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
- Y10T29/4911—Electric battery cell making including sealing
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
Claims (10)
- 양극판, 세퍼레이터, 음극판이 순차적으로 배치된 전지부;와,상기 전지부의 각 극판으로부터 각각 인출된 복수개의 전극 탭;과,상기 전지부가 수용되는 공간부가 형성되며, 상기 공간부의 가장자리를 따라서 열융착되는 밀폐면이 형성된 케이스;와,상기 전극 탭과 전기적으로 연결된 보호 회로 기판;을 포함하는 것으로서,상기 전극 탭은 밀폐면을 통하여 케이스의 외부로 돌출된 부분이 상기 케이스에 대하여 직립된 방향으로 절곡된 것을 특징으로 하는 파우치형 리튬 이차 전지.
- 제 1 항에 있어서,상기 전극 탭은 상기 밀폐면의 선단부로부터 상기 전지부가 수용되는 케이스의 두께 방향으로 소정 길이 절곡된 것을 특징으로 하는 파우치형 리튬 이차 전지.
- 제 2 항에 있어서,상기 전극 탭은 대략 90도 절곡된 것을 특징으로 하는 파우치형 리튬 이차 전지.
- 제 1 항에 있어서,상기 전극 탭은 상기 밀폐면의 선단부측과 공히 상기 전지부가 수용되는 케이스의 두께 방향으로 소정 길이 절곡된 것을 특징으로 하는 파우치형 리튬 이차 전지.
- 제 2 항 또는 제 4 항에 있어서,상기 보호 회로 기판은 상기 케이스의 외측벽과 절곡된 전극 탭 사이에 배치된 것을 특징으로 하는 파우치형 리튬 이차 전지.
- 제 5 항에 있어서,상기 보호 회로 기판은 상기 밀폐면상에 그 폭방향으로 위치한 것을 특징으로 하는 파우치형 리튬 이차 전지.
- 제 2 항 또는 제 4 항에 있어서,상기 전극 탭은 밀폐면의 선단부로부터 절곡되는 부분에 전극 탭과 밀폐면과의 전기적 절연을 위하여 절연 테이프가 감싸진 것을 특징으로 하는 파우치형 리튬 이차 전지.
- 양극판, 세퍼레이터, 음극판 순으로 배치된 전지부를 완성하는 단계;상기 전지부를 케이스내의 공간부에 수용하고, 상기 공간부의 가장자리를 따라 형성된 밀폐면을 열융착하여 케이스 내부를 외부와 밀폐시키는 단계;상기 케이스의 외부로 돌출되고, 상기 전지부의 각 극판과 전기적으로 연결된 전극 탭을 전지의 이상유무시 전류의 흐름을 차단하는 보호 회로 기판의 각 단자와 전기적으로 연결시키는 단계; 및상기 밀폐면을 통하여 케이스의 외부로 돌출된 전극 탭 부분을 상기 케이스에 대하여 직립된 방향으로 절곡하는 단계;를 포함하는 것을 특징으로 하는 리튬 이차 전지의 제조 방법.
- 제 8 항에 있어서,상기 전극 탭을 절곡하는 단계에서는,상기 전극 탭은 상기 밀폐면의 선단부로부터 상기 전지부가 수용되는 케이스의 두께 방향으로 소정 길이 절곡하는 것을 특징으로 하는 리튬 이차 전지의 제조 방법.
- 제 8 항에 있어서,상기 전극 탭을 절곡하는 단계에서는,상기 보호 회로 기판은 상기 케이스의 외벽과 절곡된 전극 탭 사이에 폭방향으로 배치하는 것을 특징으로 하는 리튬 이차 전지의 제조 방법.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2003-0032554A KR100496305B1 (ko) | 2003-05-22 | 2003-05-22 | 파우치형 리튬 이차 전지와 이의 제조 방법 |
| JP2004037379A JP4276102B2 (ja) | 2003-05-22 | 2004-02-13 | パウチ型リチウム二次電池とその製造方法 |
| US10/791,269 US8518575B2 (en) | 2003-05-22 | 2004-03-03 | Pouch-type lithium secondary battery and fabrication method thereof |
| CNB2004100334418A CN100517850C (zh) | 2003-05-22 | 2004-04-09 | 袋型二次锂电池及其制造方法 |
| US11/265,131 US20060051668A1 (en) | 2003-05-22 | 2005-11-03 | Pouch-type lithium secondary battery and fabrication method thereof |
| US11/280,463 US8999566B2 (en) | 2003-05-22 | 2005-11-17 | Pouch-type lithium secondary battery and fabrication method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2003-0032554A KR100496305B1 (ko) | 2003-05-22 | 2003-05-22 | 파우치형 리튬 이차 전지와 이의 제조 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20040100264A KR20040100264A (ko) | 2004-12-02 |
| KR100496305B1 true KR100496305B1 (ko) | 2005-06-17 |
Family
ID=33448206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-2003-0032554A Expired - Lifetime KR100496305B1 (ko) | 2003-05-22 | 2003-05-22 | 파우치형 리튬 이차 전지와 이의 제조 방법 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US8518575B2 (ko) |
| JP (1) | JP4276102B2 (ko) |
| KR (1) | KR100496305B1 (ko) |
| CN (1) | CN100517850C (ko) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100496305B1 (ko) | 2003-05-22 | 2005-06-17 | 삼성에스디아이 주식회사 | 파우치형 리튬 이차 전지와 이의 제조 방법 |
| US8999566B2 (en) * | 2003-05-22 | 2015-04-07 | Samsung Sdi Co., Ltd. | Pouch-type lithium secondary battery and fabrication method thereof |
| EP2416401B1 (en) * | 2004-04-13 | 2013-05-08 | LG Chem, Ltd | Electrochemical device comprising electrode lead having protection device |
| KR100601519B1 (ko) * | 2004-06-22 | 2006-07-19 | 삼성에스디아이 주식회사 | 파우치형 리튬 폴리머 전지 및 그 제조 방법 |
| US8778529B2 (en) * | 2004-11-29 | 2014-07-15 | Samsung Sdi Co., Ltd. | Lithium secondary battery |
| JP4310646B2 (ja) * | 2005-02-09 | 2009-08-12 | ソニー株式会社 | 負極およびそれを用いた電池 |
| KR100965049B1 (ko) * | 2005-03-23 | 2010-06-21 | 에스케이에너지 주식회사 | 고출력 리튬 2차 전지 유닛셀의 적층 구조 |
| KR101042132B1 (ko) * | 2005-03-23 | 2011-06-16 | 에스케이이노베이션 주식회사 | 고출력 리튬 2차 전지용 케이스 |
| JP4863636B2 (ja) * | 2005-03-29 | 2012-01-25 | 三洋電機株式会社 | 渦巻式電極の角型電池 |
| KR100659856B1 (ko) * | 2005-04-27 | 2006-12-19 | 삼성에스디아이 주식회사 | 파우치형 리튬 이차 전지 |
| KR20060118955A (ko) * | 2005-05-18 | 2006-11-24 | 삼성에스디아이 주식회사 | 권취형 전극 조립체 및 이를 구비하는 리튬 이차 전지 |
| KR100927250B1 (ko) * | 2005-10-21 | 2009-11-16 | 주식회사 엘지화학 | 조립식 보호회로모듈 및 이를 포함하는 전지팩 |
| KR100921347B1 (ko) * | 2005-11-08 | 2009-10-14 | 주식회사 엘지화학 | 세로 폴딩 방식의 전극조립체 및 이를 포함하고 있는전기화학 셀 |
| KR100878703B1 (ko) * | 2005-11-28 | 2009-01-14 | 주식회사 엘지화학 | 측면 실링부에 pcm이 장착되어 있는 소형 전지팩 |
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-
2003
- 2003-05-22 KR KR10-2003-0032554A patent/KR100496305B1/ko not_active Expired - Lifetime
-
2004
- 2004-02-13 JP JP2004037379A patent/JP4276102B2/ja not_active Expired - Lifetime
- 2004-03-03 US US10/791,269 patent/US8518575B2/en not_active Expired - Fee Related
- 2004-04-09 CN CNB2004100334418A patent/CN100517850C/zh not_active Expired - Lifetime
-
2005
- 2005-11-03 US US11/265,131 patent/US20060051668A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004349243A (ja) | 2004-12-09 |
| US20060051668A1 (en) | 2006-03-09 |
| CN100517850C (zh) | 2009-07-22 |
| JP4276102B2 (ja) | 2009-06-10 |
| US8518575B2 (en) | 2013-08-27 |
| US20040234848A1 (en) | 2004-11-25 |
| CN1574442A (zh) | 2005-02-02 |
| KR20040100264A (ko) | 2004-12-02 |
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