JP2018519636A - リチウムイオン二次電池 - Google Patents
リチウムイオン二次電池 Download PDFInfo
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- JP2018519636A JP2018519636A JP2017565947A JP2017565947A JP2018519636A JP 2018519636 A JP2018519636 A JP 2018519636A JP 2017565947 A JP2017565947 A JP 2017565947A JP 2017565947 A JP2017565947 A JP 2017565947A JP 2018519636 A JP2018519636 A JP 2018519636A
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
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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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
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- H—ELECTRICITY
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- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
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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
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
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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
- 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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- 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
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/381—Alkaline or alkaline earth metals elements
- H01M4/382—Lithium
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
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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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
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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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
- H01M50/136—Flexibility or foldability
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Cell Separators (AREA)
- Inorganic Chemistry (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
Claims (16)
- 複数個のポケット式の正極体と負極体が交互に積層された電極組立体を含む二次電池において、
前記電極組立体には、陰刻で陥没した空間部が形成され、
前記空間部には、電子機器の突出部が挿入されることを特徴とする、リチウムイオン二次電池。 - 前記ポケット式の正極体は、
正極活物質であるリチウムまたはリチウム金属複合酸化物のコーティング層および無垢突出部を有し、第1貫通孔が形成された正極板;
前記無垢突出部だけを露出させながら前記正極板の両面を被覆する一対の分離膜;および
前記正極板の外周の全体または外周の一部に沿って、前記一対の分離膜の間に位置し、前記一対の分離膜に接着されるフィルム部;を含むことを特徴とする、請求項1に記載のリチウムイオン二次電池。 - 前記フィルム部は、
前記正極板の外周の全体または外周の一部に沿って、前記一対の分離膜の間に位置し、前記一対の分離膜に接着される第1絶縁性部材;および
前記第1貫通孔を形成する前記正極板の内周の全体または内周の一部に沿って、前記一対の分離膜の間に位置し、前記一対の分離膜に接着される第2絶縁性部材;を含むことを特徴とする、請求項2に記載のリチウムイオン二次電池。 - 前記フィルム部は、
前記第1絶縁性部材と前記第2絶縁性部材とを互いに連結する連結部材を含むことを特徴とする、請求項3に記載のリチウムイオン二次電池。 - 前記連結部材の両端は、前記第1絶縁性部材の内周部分の少なくとも一部と、前記第2絶縁性部材の外周部分の少なくとも一部とにそれぞれ連結されることを特徴とする、請求項4に記載のリチウムイオン二次電池。
- 前記正極板には、前記連結部材が収容され得る切開部が形成されることを特徴とする、請求項4に記載のリチウムイオン二次電池。
- 前記負極体は、
リチウムを吸蔵、放出できる炭素質負極活物質コーティング層および無垢突出部を有する負極板を含み、
前記負極体の負極板には、前記第1貫通孔と対応して連通される第2貫通孔が形成されることを特徴とする、請求項1に記載のリチウムイオン二次電池。 - 前記電極組立体の最下端に配置された負極体の負極板には、前記第2貫通孔が選択的に形成される、または、形成されないことを特徴とする、請求項7に記載のリチウムイオン二次電池。
- 前記一対の分離膜中で前記正極板の第1貫通孔と対応する部位は、前記第2絶縁性部材の内側面と接着され、前記電極組立体の最下端に配置される負極体の負極板の表面に接着されるように加熱加圧されることを特徴とする、請求項8に記載のリチウムイオン二次電池。
- 前記電極組立体に形成された空間部は、
前記第1貫通孔に収容された前記第2絶縁性部材の内側面と、前記第2貫通孔を形成する負極板の内側面により孔の形状に形成されるか、前記第1貫通孔に収容された前記第2絶縁性部材の内側面と、前記第2貫通孔を形成する負極板の内側面、および前記電極組立体の最下端に配置される負極板の上面により溝の形状に形成されることを特徴とする、請求項9に記載のリチウムイオン二次電池。 - 前記一対の分離膜と向かい合う前記第1絶縁性部材と前記第2絶縁性部材および連結部材の両面には、それぞれ接着物質が塗布されることを特徴とする、請求項4に記載のリチウムイオン二次電池。
- 前記一対の分離膜のいずれか一つの分離膜には、前記第1絶縁性部材が置かれる位置決め部が表示されることを特徴とする、請求項3に記載のリチウムイオン二次電池。
- 前記第1絶縁性部材には、前記正極板の無垢突出部が収容され得る収容部が形成されることを特徴とする、請求項3に記載のリチウムイオン二次電池。
- 前記一対の分離膜と向かい合う前記第1絶縁性部材と前記第2絶縁性部材および前記連結部材の両面には、それぞれ接着物質が塗布されることを特徴とする、請求項4に記載のリチウムイオン二次電池。
- 前記第1絶縁性部材と前記第2絶縁性部材および前記連結部材は、ポリオレフィン樹脂フィルム、ポリエステル樹脂フィルム、ポリスチレン樹脂フィルム、ポリイミドフィルム、フルオロカーボン樹脂フィルム、ABSフィルム、ポリアクリル系フィルム、アセタール系フィルム、ポリカーボネートフィルムで構成された群から選択されたいずれか一つを含む、請求項4に記載のリチウムイオン二次電池。
- 前記第1絶縁性部材と前記第2絶縁性部材および前記連結部材は、エチレンビニルアセテート、エチレンエチルアセテート、エチレンアクリリックアシッド系化合物、アイオノマー系化合物、ポリエチレン、ポリビニルアセテート、ポリビニルブチラールで構成された高温溶融型接着物質群から選択されたいずれか一つの接着成分を含む、請求項14に記載のリチウムイオン二次電池。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2015-0086922 | 2015-06-18 | ||
| KR1020150086922A KR101681758B1 (ko) | 2015-06-18 | 2015-06-18 | 리튬이온 이차전지 |
| PCT/KR2016/006251 WO2016204467A1 (ko) | 2015-06-18 | 2016-06-13 | 리튬이온 이차전지 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2018519636A true JP2018519636A (ja) | 2018-07-19 |
| JP6643736B2 JP6643736B2 (ja) | 2020-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017565947A Active JP6643736B2 (ja) | 2015-06-18 | 2016-06-13 | リチウムイオン二次電池 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10559790B2 (ja) |
| EP (1) | EP3312928B1 (ja) |
| JP (1) | JP6643736B2 (ja) |
| KR (1) | KR101681758B1 (ja) |
| CN (1) | CN107750407B (ja) |
| WO (1) | WO2016204467A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021085664A1 (ko) * | 2019-10-29 | 2021-05-06 | 주식회사 엘지에너지솔루션 | 이차전지 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL3503257T3 (pl) | 2017-03-10 | 2021-08-02 | Lg Chem, Ltd. | Litowa bateria akumulatorowa |
| EP3591729A1 (en) | 2018-07-03 | 2020-01-08 | Renata AG | A multilayer packaging structure for a thin film battery and a method for manufacturing of such a structure |
| KR102552243B1 (ko) * | 2018-09-13 | 2023-07-07 | 주식회사 엘지에너지솔루션 | 이차전지 및 그 이차전지를 포함하는 전자기기 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012209072A (ja) * | 2011-03-29 | 2012-10-25 | Nec Corp | 電極積層型電池の電極積層体、および該電極積層体の製造方法 |
| KR20130105272A (ko) * | 2012-03-14 | 2013-09-25 | 주식회사 엘지화학 | 관통 구멍이 형성된 전지셀 및 이를 포함하는 전지팩 |
| KR20140034974A (ko) * | 2012-09-11 | 2014-03-21 | 주식회사 루트제이드 | 래핑 전극체 및 그 제조방법 |
| US20140113184A1 (en) * | 2012-10-18 | 2014-04-24 | Apple Inc. | Three-dimensional non-rectangular battery cell structures |
| KR20140102379A (ko) * | 2013-02-13 | 2014-08-22 | 주식회사 엘지화학 | 비정형 구조의 전지셀 |
| US20150033547A1 (en) * | 2013-06-28 | 2015-02-05 | Lg Chem, Ltd. | Electrode assembly manufacturing method including separator cutting process |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100337707B1 (ko) | 2000-09-25 | 2002-05-22 | 정근창 | 포케팅 전극체 및 그 제조방법과 이를 이용한 리튬이온이차전지 |
| KR101168651B1 (ko) | 2010-06-21 | 2012-07-26 | 주식회사 루트제이드 | 포케팅 전극체, 이를 포함하는 전극 조립체 및 이를 이용한 리튬 이차전지 |
| KR101168650B1 (ko) | 2010-06-21 | 2012-07-25 | 주식회사 루트제이드 | 포케팅 전극체, 이를 포함하는 전극 조립체 및 이를 이용한 리튬 이차전지 |
| KR101387617B1 (ko) * | 2012-09-11 | 2014-04-24 | 주식회사 루트제이드 | 이차전지 전극조립체용 분리막 및 이를 포함하는 이차전지 |
| KR101619604B1 (ko) * | 2013-09-26 | 2016-05-10 | 주식회사 엘지화학 | 전극조립체 및 이차전지의 제조방법 |
-
2015
- 2015-06-18 KR KR1020150086922A patent/KR101681758B1/ko active Active
-
2016
- 2016-06-13 US US15/736,692 patent/US10559790B2/en active Active
- 2016-06-13 EP EP16811880.0A patent/EP3312928B1/en active Active
- 2016-06-13 WO PCT/KR2016/006251 patent/WO2016204467A1/ko not_active Ceased
- 2016-06-13 JP JP2017565947A patent/JP6643736B2/ja active Active
- 2016-06-13 CN CN201680035516.7A patent/CN107750407B/zh active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012209072A (ja) * | 2011-03-29 | 2012-10-25 | Nec Corp | 電極積層型電池の電極積層体、および該電極積層体の製造方法 |
| KR20130105272A (ko) * | 2012-03-14 | 2013-09-25 | 주식회사 엘지화학 | 관통 구멍이 형성된 전지셀 및 이를 포함하는 전지팩 |
| US20150044536A1 (en) * | 2012-03-14 | 2015-02-12 | Lg Chem, Ltd. | Compact battery cell having improved durability and battery pack comprising the same |
| KR20140034974A (ko) * | 2012-09-11 | 2014-03-21 | 주식회사 루트제이드 | 래핑 전극체 및 그 제조방법 |
| US20140113184A1 (en) * | 2012-10-18 | 2014-04-24 | Apple Inc. | Three-dimensional non-rectangular battery cell structures |
| KR20140102379A (ko) * | 2013-02-13 | 2014-08-22 | 주식회사 엘지화학 | 비정형 구조의 전지셀 |
| US20150033547A1 (en) * | 2013-06-28 | 2015-02-05 | Lg Chem, Ltd. | Electrode assembly manufacturing method including separator cutting process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021085664A1 (ko) * | 2019-10-29 | 2021-05-06 | 주식회사 엘지에너지솔루션 | 이차전지 |
| US12068505B2 (en) | 2019-10-29 | 2024-08-20 | Lg Energy Solution, Ltd. | Secondary battery |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3312928A4 (en) | 2019-03-20 |
| KR101681758B1 (ko) | 2016-12-02 |
| US20180183106A1 (en) | 2018-06-28 |
| CN107750407B (zh) | 2020-04-17 |
| EP3312928A1 (en) | 2018-04-25 |
| CN107750407A (zh) | 2018-03-02 |
| US10559790B2 (en) | 2020-02-11 |
| EP3312928B1 (en) | 2020-04-01 |
| JP6643736B2 (ja) | 2020-02-12 |
| WO2016204467A1 (ko) | 2016-12-22 |
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