JP7459259B2 - 二次電池モジュールのセル加圧範囲の設定方法 - Google Patents
二次電池モジュールのセル加圧範囲の設定方法 Download PDFInfo
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- 238000000034 method Methods 0.000 claims description 47
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
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- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
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- 229910000652 nickel hydride Inorganic materials 0.000 description 1
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
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- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
- H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
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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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- 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]
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- 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]
- G01R31/3644—Constructional arrangements
- G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- 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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- 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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/3865—Arrangements for measuring battery or accumulator variables related to manufacture, e.g. testing after manufacture
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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
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- H—ELECTRICITY
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
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- 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
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
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- H01—ELECTRIC ELEMENTS
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- 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
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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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- 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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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Battery Mounting, Suspending (AREA)
Description
110 二次電池セル
300 モジュールハウジング
311 下部プレート
312 左側プレート
313 右側プレート
330 板バネ
Claims (10)
- 二次電池モジュールにおいて二次電池セルに対するセル加圧範囲の設定方法であって、
二次電池モジュールに適用する前記二次電池セルを決定し、圧力を高めていきながら前記二次電池セルを加圧したときに示される前記二次電池セルの性能データに基づいて、前記二次電池セルの性能具現のための最小加圧力をPcell_minに決定し、前記二次電池セルの性能具現のための最大加圧力をPcell_maxに決定する第1段階と、
前記二次電池セルを一方向に積層してセル積層体を形成し、前記セル積層体をモジュールハウジングに収納したとき、前記セル積層体を支持及び固定できる最小加圧力をPmodule_minに決定し、前記二次電池セルの寿命末期(End Of Life:EOL)において前記モジュールハウジングが破損することなく前記セル積層体を加圧できる最大加圧力をPmodule_maxに決定する第2段階と、を含み、
前記Pcell_min~前記Pcell_maxの範囲と前記Pmodule_min~前記Pmodule_maxの範囲との共通集合範囲を前記セル加圧範囲に設定することを特徴とする、セル加圧範囲の設定方法。 - 前記第1段階において、
前記二次電池セルの性能データは、前記二次電池セルの容量退化率、抵抗増加率、分離膜厚の維持率を含むことを特徴とする、請求項1に記載のセル加圧範囲の設定方法。 - 前記Pmodule_minが、
前記二次電池セルの寿命初期(Begin Of Life:BOL)において前記セル積層体を支持及び固定できる最小加圧力であることを特徴とする、請求項1または2に記載のセル加圧範囲の設定方法。 - 前記二次電池セルが、パウチ型二次電池セルであることを特徴とする、請求項1から3のいずれか一項に記載のセル加圧範囲の設定方法。
- 前記二次電池セルのスウェリングによる前記モジュールハウジングの膨張許容寸法を予め決定し、
前記二次電池セルの寿命初期(Begin Of Life:BOL)において前記セル積層体を加圧して前記膨張許容寸法以内に前記モジュールハウジングの寸法を管理可能な最小加圧力をPdimension_minに決定し、前記二次電池セルの寿命末期(End Of Life:EOL)において前記セル積層体を加圧して前記膨張許容寸法以内に前記モジュールハウジングの寸法を管理可能な最小加圧力をPdimension_maxに決定する第3段階をさらに含み、
前記Pcell_min、前記Pmodule_min及び前記Pdimension_minのうち最大値を前記セル加圧範囲の最小加圧力に設定し、
[前記Pdimension_max<前記Pcell_max]及び[前記Pdimension_max<前記Pmodule_max]を満たす場合、前記Pcell_min及び前記Pmodule_minのうち小さい値を前記セル加圧範囲の最大加圧力に設定す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セル加圧範囲の設定方法。 - 前記モジュールハウジングは、前記セル積層体の下部に配置される下部プレートと、前記下部プレートにおいて相互に対向する両エッジから折り曲げられて上方へ延び、前記モジュールハウジングの内側へ所定の角度の勾配を有する左側プレート及び右側プレートを含み、
前記セル積層体を前記左側プレートと前記右側プレートとの間に入れて加圧す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セル加圧範囲の設定方法。 - 前記左側プレート及び前記右側プレートの勾配を調整して前記セル加圧範囲を調整することを特徴とする、請求項6に記載のセル加圧範囲の設定方法。
- 前記モジュールハウジングは、内部に板バネを備え、前記板バネによって前記セル積層体を加圧す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セル加圧範囲の設定方法。
- 請求項1に記載のセル加圧範囲の設定方法によって製作した二次電池モジュールであって、
パウチ型二次電池セルを一方向に積層したセル積層体と、
前記セル積層体を収納するように設けられ、前記セル積層体を加圧する両側壁を備えるモジュールハウジングと、を含み、
前記セル積層体は、請求項1に記載の前記Pcell_min~前記Pcell_maxの範囲と前記Pmodule_min~前記Pmodule_maxの範囲との共通集合範囲内の加圧力を受けるように前記モジュールハウジングの両側壁によって加圧されたことを特徴とする、二次電池モジュール。 - 請求項9に記載の二次電池モジュールを含む、二次電池パック。
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KR1020200146829A KR20220060815A (ko) | 2020-11-05 | 2020-11-05 | 이차전지 모듈의 셀 가압력 범위 설정방법 |
KR10-2020-0146829 | 2020-11-05 | ||
PCT/KR2021/012854 WO2022097912A1 (ko) | 2020-11-05 | 2021-09-17 | 이차전지 모듈의 셀 가압력 범위 설정방법 |
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KR (1) | KR20220060815A (ja) |
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- 2020-11-05 KR KR1020200146829A patent/KR20220060815A/ko unknown
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- 2021-09-17 CN CN202180010476.1A patent/CN115004468A/zh active Pending
- 2021-09-17 JP JP2022541682A patent/JP7459259B2/ja active Active
- 2021-09-17 US US17/792,568 patent/US20230078958A1/en active Pending
- 2021-09-17 WO PCT/KR2021/012854 patent/WO2022097912A1/ko unknown
- 2021-09-17 EP EP21889377.4A patent/EP4084200A4/en active Pending
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JP2020520060A (ja) | 2017-11-30 | 2020-07-02 | エルジー・ケム・リミテッド | セル組立体に対する初期加圧力強化構造を有するバッテリーモジュール及びその製造方法 |
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CN115004468A (zh) | 2022-09-02 |
KR20220060815A (ko) | 2022-05-12 |
EP4084200A1 (en) | 2022-11-02 |
EP4084200A4 (en) | 2024-01-03 |
WO2022097912A1 (ko) | 2022-05-12 |
US20230078958A1 (en) | 2023-03-16 |
JP2023509498A (ja) | 2023-03-08 |
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