JP6636702B2 - 二次電池 - Google Patents
二次電池 Download PDFInfo
- Publication number
- JP6636702B2 JP6636702B2 JP2015030998A JP2015030998A JP6636702B2 JP 6636702 B2 JP6636702 B2 JP 6636702B2 JP 2015030998 A JP2015030998 A JP 2015030998A JP 2015030998 A JP2015030998 A JP 2015030998A JP 6636702 B2 JP6636702 B2 JP 6636702B2
- Authority
- JP
- Japan
- Prior art keywords
- current collector
- secondary battery
- film
- positive electrode
- active material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 20
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 20
- 229910001416 lithium ion Inorganic materials 0.000 description 20
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- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Inorganic materials O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 229910021470 non-graphitizable carbon Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 150000002898 organic sulfur compounds Chemical class 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- HTQOEHYNHFXMJJ-UHFFFAOYSA-N oxosilver zinc Chemical compound [Zn].[Ag]=O HTQOEHYNHFXMJJ-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- 150000004771 selenides Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229910021384 soft carbon Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- XSOKHXFFCGXDJZ-UHFFFAOYSA-N telluride(2-) Chemical compound [Te-2] XSOKHXFFCGXDJZ-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- QHGNHLZPVBIIPX-UHFFFAOYSA-N tin(II) oxide Inorganic materials [Sn]=O QHGNHLZPVBIIPX-UHFFFAOYSA-N 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- DZKDPOPGYFUOGI-UHFFFAOYSA-N tungsten(iv) oxide Chemical compound O=[W]=O DZKDPOPGYFUOGI-UHFFFAOYSA-N 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- 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
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
-
- 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
-
- 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
-
- 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
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- 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
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- 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
-
- 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
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)
- Secondary Cells (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Description
本実施の形態では、複数箇所に切れ目を有する集電体を用い、外装体としてフィルムにエンボス加工を行い、模様を有するフィルムを用いてリチウムイオン二次電池を作製する例を示す。
本実施の形態では、実施の形態1を用いて得られるリチウムイオン二次電池を組み込んだ電子機器の一例を示す。
12 正極集電体
12a 正極集電体
12b 正極集電体
12c 正極集電体
12d 正極集電体
13 セパレータ
14 負極集電体
15 封止層
16a リード電極
16b リード電極
17 熱圧着領域
18 正極活物質層
19 負極活物質層
20 電解液
21 切れ目
27 開口
30 接着層
40 二次電池
1700 曲面
1701 平面
1702 曲線
1703 曲率半径
1704 曲率中心
1800 曲率中心
1801 フィルム
1802 曲率半径
1803 フィルム
1804 曲率半径
7100 携帯電話
7101 筐体
7102 表示部
7103 操作ボタン
7104 蓄電装置
7105 リード電極
7106 集電体
7400 携帯電話機
7401 筐体
7402 表示部
7403 操作ボタン
7404 外部接続ポート
7405 スピーカ
7406 マイク
7407 蓄電装置
7408 リード電極
7409 集電体
7600 掃除機
7601 リード電極
7602 リード電極
7603 操作ボタン
7604 蓄電装置
7605 蓄電装置
7700 電子機器
7701 ヒンジ
7702 表示部
7703 ヒンジ
7704 蓄電装置
8021 充電装置
8022 ケーブル
8024 蓄電装置
8100 自動車
8101 ヘッドライト
8106 電気モーター
8200 自動車
Claims (4)
- 集電体と、活物質層と、を有する二次電池であって、
前記集電体は、突出部を有し、
前記集電体は、第1の長辺と、第2の長辺と、第3の辺と、第4の辺と、を有し、
前記第1の長辺と、前記第2の長辺は向かい合って位置し、
前記第3の辺と、前記第4の辺は向かい合って位置し、
前記第1の長辺は、前記第4の辺と交差し、
前記第2の長辺は、前記第3の辺と、前記第4の辺と、交差し、
前記突出部は、前記第3の辺と、前記第3の辺と交わる第5の辺とを有し、
前記突出部は、リードと電気的に接続する機能を有し、
前記集電体は、第1のスリット及び、第2のスリットを有し、
前記第1のスリットは、前記第1の長辺の一端から前記第2の長辺へ延びており、
前記第2のスリットは、前記第3の辺と前記第5の辺との交差点から前記第1の長辺へ延びている二次電池。 - 請求項1において、
前記第1のスリットと、前記第2のスリットのなす角度は90度未満である二次電池。 - 第1及び第2の集電体と、第1及び第2の活物質層と、を有する二次電池であって、
前記第1の集電体は、第1の突出部を有し、
前記第2の集電体は、第2の突出部を有し、
前記第1の集電体は、第1の長辺と、第2の長辺と、第3の辺と、第4の辺と、を有し、
前記第1の長辺と、前記第2の長辺は向かい合って位置し、
前記第3の辺と、前記第4の辺は向かい合って位置し、
前記第1の長辺は、前記第4の辺と交差し、
前記第2の長辺は、前記第3の辺と、前記第4の辺と、交差し、
前記第1の突出部は、前記第3の辺と、前記第3の辺と交わる第5の辺とを有し、
前記第2の集電体は、第6の長辺と、第7の長辺と、第8の辺と、第9の辺と、を有し、
前記第6の長辺と、前記第7の長辺は向かい合って位置し、
前記第8の辺と、前記第9の辺は向かい合って位置し、
前記第6の長辺は、前記第9の辺と交差し、
前記第7の長辺は、前記第8の辺と、前記第9の辺と、交差し、
前記第2の突出部は、前記第8の辺と、前記第8の辺と交わる第10の辺とを有し、
前記第1の突出部及び、前記第2の突出部は、リードと電気的に接続する機能を有し、
前記第1の活物質層は、前記第1の集電体上に設けられ、
前記第2の活物質層は、前記第1の活物質層上に設けられ、
前記第2の集電体は、前記第2の活物質層上に設けられ、
前記第1の集電体は、第1のスリット及び、第2のスリットを有し、
前記第2の集電体は、第3のスリット及び、第4のスリットを有し、
前記第1のスリットは、前記第1の長辺の一端から前記第2の長辺へ延びており、
前記第2のスリットは、前記第3の辺と前記第5の辺との交差点から前記第1の長辺へ延びており、
前記第3のスリットは、前記第6の長辺の一端から前記第7の長辺へ延びており、
前記第4のスリットは、前記第8の辺と前記第10の辺との交差点から前記第6の長辺へ延びている二次電池。 - 請求項3において、
前記第1のスリットと、前記第2のスリットのなす角度は90度未満であり、
前記第3のスリットと、前記第4のスリットのなす角度は90度未満である二次電池。
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JP2015030998A JP6636702B2 (ja) | 2014-02-21 | 2015-02-19 | 二次電池 |
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JP2014082331 | 2014-04-11 | ||
JP2014082331 | 2014-04-11 | ||
JP2014128649 | 2014-06-23 | ||
JP2014128649 | 2014-06-23 | ||
JP2015030998A JP6636702B2 (ja) | 2014-02-21 | 2015-02-19 | 二次電池 |
Related Child Applications (1)
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JP2019228792A Division JP2020074298A (ja) | 2014-02-21 | 2019-12-19 | 二次電池 |
Publications (3)
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JP2016027542A JP2016027542A (ja) | 2016-02-18 |
JP2016027542A5 JP2016027542A5 (ja) | 2018-03-15 |
JP6636702B2 true JP6636702B2 (ja) | 2020-01-29 |
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JP2015030998A Active JP6636702B2 (ja) | 2014-02-21 | 2015-02-19 | 二次電池 |
JP2019228792A Withdrawn JP2020074298A (ja) | 2014-02-21 | 2019-12-19 | 二次電池 |
JP2021170165A Active JP7353339B2 (ja) | 2014-02-21 | 2021-10-18 | 二次電池 |
JP2023151305A Pending JP2023175837A (ja) | 2014-02-21 | 2023-09-19 | 二次電池 |
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JP2021170165A Active JP7353339B2 (ja) | 2014-02-21 | 2021-10-18 | 二次電池 |
JP2023151305A Pending JP2023175837A (ja) | 2014-02-21 | 2023-09-19 | 二次電池 |
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JP (4) | JP6636702B2 (ja) |
KR (3) | KR20240067271A (ja) |
TW (1) | TWI640118B (ja) |
WO (1) | WO2015125048A1 (ja) |
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WO2015125048A1 (en) | 2015-08-27 |
KR20240067271A (ko) | 2024-05-16 |
TW201603360A (zh) | 2016-01-16 |
US20180226629A1 (en) | 2018-08-09 |
JP2022002228A (ja) | 2022-01-06 |
TWI640118B (zh) | 2018-11-01 |
JP7353339B2 (ja) | 2023-09-29 |
KR102472113B1 (ko) | 2022-11-30 |
KR102663066B1 (ko) | 2024-05-10 |
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