JP7037015B2 - 電極組立体及びこれを含むリチウム二次電池 - Google Patents
電極組立体及びこれを含むリチウム二次電池 Download PDFInfo
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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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
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- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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- 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
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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
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
- H01M4/0433—Molding
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
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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
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- H01M4/64—Carriers or collectors
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- H01M4/75—Wires, rods or strips
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/463—Separators, membranes or diaphragms characterised by their shape
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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
- H01M2220/00—Batteries for particular applications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- 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
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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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- 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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- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
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- Electric Double-Layer Capacitors Or The Like (AREA)
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Description
例えば、ポリビニリデンフルオライド‐ヘキサフルオロプロピレン(PVDF‐co‐HFP)、ポリビニリデンフルオライド(polyvinylidene fluoride,PVDF)、ポリアクリロニトリル(polyacrylonitrile)、ポリメチルメタクリレート(polymethyl methacrylate)、スチレンブタジエンゴム(styrene butadiene rubber,SBR)及びカルボキシルメチルセルロース(carboxyl methyl cellulose,CMC)などの多様な種類のバインダーを用い得る。
110 正極集電体
111 第1シート型集電体
112 第1柱型集電体
120 正極活物質層
130 分離膜
140 負極活物質層
150 負極集電体
151 第2シート型集電体
152 第2柱型集電体
160 貫通孔
200 電極モールド
Claims (5)
- 正極集電体、正極活物質層、分離膜、負極活物質層及び負極集電体が順次積層された電極組立体であって、
前記正極活物質層、前記分離膜及び前記負極活物質層を共に貫通する複数の貫通孔が形成されており、
前記正極集電体は、第1シート型集電体及び前記第1シート型集電体から前記電極組立体の厚さ方向へ延びて形成され、前記複数の貫通孔のうちいくつかの貫通孔を貫通する複数の第1柱型集電体を含み、
前記負極集電体は、第2シート型集電体及び前記第2シート型集電体から前記電極組立体の厚さ方向へ延びて形成され、前記複数の貫通孔のうち前記いくつかの貫通孔を除いた残りの貫通孔を貫通する複数の第2柱型集電体を含み、
前記複数の第1柱型集電体が、前記正極活物質層に形成された貫通孔の内周面に密着して貫通し、
前記複数の第2柱型集電体が、前記負極活物質層に形成された貫通孔の内周面に密着して貫通し、
前記複数の第1柱型集電体が、前記負極活物質層に形成された貫通孔の内周面と離隔して貫通し、
前記複数の第2柱型集電体が、前記正極活物質層に形成された貫通孔の内周面と離隔して貫通することを特徴とする電極組立体。 - 正極集電体、正極活物質層、分離膜、負極活物質層及び負極集電体が順次積層された電極組立体であって、
前記正極活物質層、前記分離膜及び前記負極活物質層を共に貫通する複数の貫通孔が形成されており、
前記正極集電体は、第1シート型集電体及び前記第1シート型集電体から前記電極組立体の厚さ方向へ延びて形成され、前記複数の貫通孔のうちいくつかの貫通孔を貫通する複数の第1柱型集電体を含み、
前記負極集電体は、第2シート型集電体及び前記第2シート型集電体から前記電極組立体の厚さ方向へ延びて形成され、前記複数の貫通孔のうち前記いくつかの貫通孔を除いた残りの貫通孔を貫通する複数の第2柱型集電体を含み、
前記複数の第1柱型集電体が、前記正極活物質層に形成された貫通孔の内周面に密着して貫通し、
前記複数の第2柱型集電体が、前記負極活物質層に形成された貫通孔の内周面に密着して貫通し、
前記複数の第1柱型集電体が、前記負極活物質層に形成された貫通孔の内周面に密着して貫通し、
前記複数の第2柱型集電体が、前記正極活物質層に形成された貫通孔の内周面に密着して貫通し、
前記複数の第1柱型集電体が、前記負極活物質層と接触する部分の表面に形成された第1絶縁層を含み、
前記複数の第2柱型集電体が、前記正極活物質層と接触する部分の表面に形成された第2絶縁層を含むことを特徴とする電極組立体。 - 前記第1絶縁層及び前記第2絶縁層が、相互独立的にワニスコーティング層、絶縁性高分子コーティング層または絶縁性無機物コーティング層であることを特徴とする請求項2に記載の電極組立体。
- 前記複数の第1柱型集電体が貫通するいくつかの貫通孔と、前記複数の第2柱型集電体が貫通する残りの貫通孔とが、交互に配置され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電極組立体。
- 請求項1から4のいずれか一項に記載の電極組立体を含む、リチウム二次電池。
Applications Claiming Priority (3)
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KR1020170081480A KR102208515B1 (ko) | 2017-06-27 | 2017-06-27 | 전극 조립체 및 그를 포함하는 리튬 이차전지 |
KR10-2017-0081480 | 2017-06-27 | ||
PCT/KR2018/007033 WO2019004655A1 (ko) | 2017-06-27 | 2018-06-21 | 전극 조립체 및 그를 포함하는 리튬 이차전지 |
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JP2019536230A JP2019536230A (ja) | 2019-12-12 |
JP7037015B2 true JP7037015B2 (ja) | 2022-03-16 |
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JP2019526327A Active JP7037015B2 (ja) | 2017-06-27 | 2018-06-21 | 電極組立体及びこれを含むリチウム二次電池 |
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US (1) | US11081762B2 (ja) |
EP (1) | EP3534450B1 (ja) |
JP (1) | JP7037015B2 (ja) |
KR (1) | KR102208515B1 (ja) |
CN (2) | CN208400926U (ja) |
PL (1) | PL3534450T3 (ja) |
WO (1) | WO2019004655A1 (ja) |
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KR102208515B1 (ko) * | 2017-06-27 | 2021-01-26 | 주식회사 엘지화학 | 전극 조립체 및 그를 포함하는 리튬 이차전지 |
JP7067019B2 (ja) * | 2017-10-30 | 2022-05-16 | セイコーエプソン株式会社 | 二次電池用電極、二次電池、電子機器、二次電池用電極の製造方法、二次電池の製造方法 |
KR20220011158A (ko) * | 2019-05-22 | 2022-01-27 | 시온 파워 코퍼레이션 | 전기적으로 결합된 전극, 및 관련 물품 및 방법 |
KR20210140881A (ko) | 2020-05-14 | 2021-11-23 | 서강대학교산학협력단 | 탄피 계수 장치 |
Citations (2)
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JP2010219030A (ja) | 2009-02-19 | 2010-09-30 | Semiconductor Energy Lab Co Ltd | 蓄電デバイス |
JP2011151279A (ja) | 2010-01-25 | 2011-08-04 | Sony Corp | 複合体電極及びこれを用いた電子デバイス |
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JP2008270153A (ja) | 2006-11-15 | 2008-11-06 | Matsushita Electric Ind Co Ltd | 非水電解質二次電池用集電体の製造方法、非水電解質二次電池用電極の製造方法および非水電解質二次電池 |
JP5224020B2 (ja) * | 2007-06-18 | 2013-07-03 | エス・イー・アイ株式会社 | リチウム二次電池 |
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JP2012059396A (ja) * | 2010-09-06 | 2012-03-22 | Mitsubishi Electric Corp | 蓄電デバイス用負極及び蓄電デバイス並びにそれらの製造方法 |
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JP2013182810A (ja) * | 2012-03-02 | 2013-09-12 | Tdk Corp | 集電体、およびそれを用いたリチウムイオン二次電池 |
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KR101741412B1 (ko) * | 2014-10-29 | 2017-05-30 | 에스케이이노베이션 주식회사 | 이차 전지용 집전체와 전극 및 이를 포함한 이차 전지 |
KR102208515B1 (ko) * | 2017-06-27 | 2021-01-26 | 주식회사 엘지화학 | 전극 조립체 및 그를 포함하는 리튬 이차전지 |
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- 2017-06-27 KR KR1020170081480A patent/KR102208515B1/ko active IP Right Grant
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- 2018-06-13 CN CN201820914035.XU patent/CN208400926U/zh active Active
- 2018-06-13 CN CN201810606642.4A patent/CN109148797B/zh active Active
- 2018-06-21 EP EP18823670.7A patent/EP3534450B1/en active Active
- 2018-06-21 US US16/478,764 patent/US11081762B2/en active Active
- 2018-06-21 WO PCT/KR2018/007033 patent/WO2019004655A1/ko unknown
- 2018-06-21 JP JP2019526327A patent/JP7037015B2/ja active Active
- 2018-06-21 PL PL18823670T patent/PL3534450T3/pl unknown
Patent Citations (2)
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JP2010219030A (ja) | 2009-02-19 | 2010-09-30 | Semiconductor Energy Lab Co Ltd | 蓄電デバイス |
JP2011151279A (ja) | 2010-01-25 | 2011-08-04 | Sony Corp | 複合体電極及びこれを用いた電子デバイス |
Also Published As
Publication number | Publication date |
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WO2019004655A1 (ko) | 2019-01-03 |
KR102208515B1 (ko) | 2021-01-26 |
JP2019536230A (ja) | 2019-12-12 |
US20200052276A1 (en) | 2020-02-13 |
EP3534450B1 (en) | 2020-11-25 |
CN208400926U (zh) | 2019-01-18 |
CN109148797A (zh) | 2019-01-04 |
EP3534450A4 (en) | 2019-11-13 |
CN109148797B (zh) | 2021-10-01 |
KR20190001461A (ko) | 2019-01-04 |
EP3534450A1 (en) | 2019-09-04 |
US11081762B2 (en) | 2021-08-03 |
PL3534450T3 (pl) | 2021-04-19 |
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