JP7027630B2 - 二次電池及びそれを含むバッテリーパック - Google Patents
二次電池及びそれを含むバッテリーパック Download PDFInfo
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- 238000005259 measurement Methods 0.000 claims description 136
- 239000000463 material Substances 0.000 claims description 51
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 8
- 230000006866 deterioration Effects 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 239000007773 negative electrode material Substances 0.000 description 5
- 239000007774 positive electrode material Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000007850 degeneration Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001151 other effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000036541 health 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
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
- -1 or the like Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/364—Battery terminal connectors with integrated measuring arrangements
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- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
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- H01M10/00—Secondary cells; Manufacture thereof
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- 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
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- H01M50/10—Primary casings; Jackets or wrappings
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- 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
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- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- 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
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- H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
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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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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- General Physics & Mathematics (AREA)
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- Connection Of Batteries Or Terminals (AREA)
Description
100:電極組立体
110:正極板
111:正極タブ
120:負極板
121:負極タブ
130:第1測定板
131:第1測定タブ
140:第2測定板
141:第2測定タブ
150:絶縁部材
151:内部空間
152:内部溝
200:外装材
210:上部カバー
220:下部カバー
310:正極リード
320:負極リード
330:第1測定リード
340:第2測定リード
Claims (9)
- 上部カバー及び下部カバーを備え、前記上部カバーと前記下部カバーとの外周部がシーリングされた形態で構成された外装材と、
複数の第1電極板、セパレータを介在して前記複数の第1電極板と交互に積層された複数の第2電極板、前記第1電極板と同じ極性を有して前記複数の第1電極板のうち少なくとも一つに含まれた第1測定板及び第2測定板、前記第1電極板から延設された第1電極タブ、前記第2電極板から延設された第2電極タブ、前記第1測定板から延設された第1測定タブ、及び前記第2測定板から延設された第2測定タブを含む電極組立体と、
一端が前記第1電極タブと接触し、他端が前記外装材の外部に露出するように構成された第1電極リードと、
一端が前記第2電極タブと接触し、他端が前記外装材の外部に露出するように構成された第2電極リードと、
一端が前記第1測定タブと接触し、他端が前記外装材の外部に露出するように構成された第1測定リードと、
一端が前記第2測定タブと接触し、他端が前記外装材の外部に露出するように構成された第2測定リードとを含み、
前記第1電極板と前記第2電極板とが相異なる極性を有する、二次電池。 - 前記第1測定板と前記第2測定板とは、前記複数の第1電極板のうちいずれか一つに所定の間隔で離隔して含まれる、請求項1に記載の二次電池。
- 前記電極組立体は、前記第1測定板及び前記第2測定板を固定し、前記第1測定板と前記第2測定板との間を電気的に絶縁させるように構成された絶縁部材をさらに含む、請求項2に記載の二次電池。
- 前記第1測定板及び前記第2測定板は、前記複数の第1電極板のうち任意の二つの電極板にそれぞれ含まれる、請求項1から3のいずれか一項に記載の二次電池。
- 前記電極組立体は、前記第1電極リード、前記第2電極リード、前記第1測定リード及び前記第2測定リードが同じ平面上に位置し、それぞれの長手方向が同じ方向に向くように構成された、請求項1から4のいずれか一項に記載の二次電池。
- 前記第1測定タブと前記第1測定リードとが一体的に構成されて一つのプレート状になっており、
前記第2測定タブと前記第2測定リードとが一体的に構成されて一つのプレート状になっている、請求項1から5のいずれか一項に記載の二次電池。 - 前記第1電極リード、前記第2電極リード、前記第1測定リード及び前記第2測定リードは、前記外装材から同じ方向に突出するように構成された、請求項1から6のいずれか一項に記載の二次電池。
- 前記第1電極リード、前記第2電極リード、前記第1測定リード及び前記第2測定リードは、上方及び下方のうち同じ方向に折り曲げられた形態で構成された、請求項7に記載の二次電池。
- 請求項1から8のうちいずれか一項に記載の二次電池を含むバッテリーパック。
Applications Claiming Priority (3)
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KR1020180019432A KR102374743B1 (ko) | 2018-02-19 | 2018-02-19 | 파우치형 이차 전지 |
KR10-2018-0019432 | 2018-02-19 | ||
PCT/KR2019/001774 WO2019160334A1 (ko) | 2018-02-19 | 2019-02-13 | 이차 전지 및 이를 포함하는 배터리 팩 |
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US (1) | US11545705B2 (ja) |
EP (1) | EP3671941A4 (ja) |
JP (1) | JP7027630B2 (ja) |
KR (1) | KR102374743B1 (ja) |
CN (2) | CN110176645B (ja) |
WO (1) | WO2019160334A1 (ja) |
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KR102261177B1 (ko) | 2018-08-01 | 2021-06-07 | 주식회사 엘지에너지솔루션 | 내부단락 시험용 이차전지, 이를 이용한 이차전지 내부단락 시험 방법 및 장치 |
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JP2012079582A (ja) | 2010-10-04 | 2012-04-19 | Nec Corp | 二次電池、二次電池の正極または負極の抵抗測定方法、および、二次電池の正極または負極の劣化程度診断方法 |
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US20210036386A1 (en) | 2021-02-04 |
CN110176645B (zh) | 2023-01-13 |
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US11545705B2 (en) | 2023-01-03 |
EP3671941A1 (en) | 2020-06-24 |
JP2020528644A (ja) | 2020-09-24 |
CN110176645A (zh) | 2019-08-27 |
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