WO2017142206A1 - 전극조립체 및 그의 제조방법 - Google Patents
전극조립체 및 그의 제조방법 Download PDFInfo
- Publication number
- WO2017142206A1 WO2017142206A1 PCT/KR2017/000398 KR2017000398W WO2017142206A1 WO 2017142206 A1 WO2017142206 A1 WO 2017142206A1 KR 2017000398 W KR2017000398 W KR 2017000398W WO 2017142206 A1 WO2017142206 A1 WO 2017142206A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sheet
- electrode
- mask
- separator sheet
- separator
- Prior art date
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- 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
Definitions
- the present invention relates to an electrode assembly and a method of manufacturing the same, and more particularly, to an electrode assembly and a method of manufacturing the same, which are easily adhered, wetted, and degassed.
- a secondary battery refers to a battery that can be charged and discharged, unlike a primary battery that cannot be charged.
- Such a secondary battery is widely used in advanced electronic devices such as phones, notebook computers, and camcorders.
- the secondary battery according to the prior art includes an electrode assembly, the electrode assembly is a positive electrode (negative electrode) and a negative electrode (negative electrode) on the upper and lower surfaces of the separator, respectively, lamination by pressure (lamination) and then folding ( It is manufactured by folding.
- the electrode assembly has a higher adhesive strength than the negative electrode, and thus, when the positive electrode and the negative electrode are bonded to the separator under the same conditions, the adhesion force between the positive electrode and the negative electrode may occur, and as a result, an electrode assembly of uniform quality may be produced. There was a problem that could not be.
- the present invention has been invented to solve such a problem, and an object of the present invention is to pattern the adhesive layer on the upper and lower surfaces of the separator to bond the positive electrode and the negative electrode with the same adhesive force, wetting (wetting) and gas It is to provide an electrode assembly and a method of manufacturing the same that can be easily discharged.
- the first electrode sheet may be attached to a mask of a first surface having adhesive strength
- the second electrode sheet may be attached to a mask of a second surface having low adhesive strength.
- Both surfaces of the first separator sheet may have a mask in which a predetermined pattern and adhesive force are activated by plasma treatment, and the second surface may be weakly plasma treated on the first surface.
- the first separator sheet may be formed by treating the plasma on only the first surface to form a mask having a predetermined pattern and adhesive force activated.
- Surfaces other than the mask on both surfaces or the first surface of the first separator sheet may have no adhesive force or may have a lower adhesive force than the mask.
- the first separator sheet may have a binder coating layer having a mask having a predetermined pattern on both surfaces thereof, and the second surface may have a binder coating layer having a mask having a smaller area and a smaller thickness than the first surface. have.
- the binder coating layer may be formed to protrude a mask having a predetermined pattern and adhesive force activated by a plasma treatment.
- the second surface may be plasma treated weaker than the first surface.
- the surface except for the mask may have no adhesive force or may have a lower adhesive force than the mask.
- the first electrode sheet may be a cathode, and the second electrode sheet may be an anode.
- the display device may further include a second separator sheet adhered to an outer surface of any one of the first electrode sheet or the second electrode sheet.
- the surface of the second separator sheet adhered to the first electrode sheet or the second electrode sheet may have a mask in which a predetermined pattern and adhesive force are activated by plasma treatment.
- the mask formed on the second separator sheet and the mask formed on the second surface of the first separator sheet may have the same adhesive force.
- the mark formed on the second separator sheet and the mask formed on the first surface of the first separator sheet may have the same adhesive force.
- the manufacturing method of the electrode assembly according to the present invention having such a configuration step of preparing a first separator sheet to form a patterned mask having a different adhesive strength on both sides (S10);
- the first electrode sheet is disposed on a mask of a first surface having a relatively high adhesive strength among both surfaces of the first separator sheet, and the second electrode is disposed on a mask of a second surface having a relatively low adhesive strength of both surfaces of the first separator sheet.
- the step S10 may be performed by plasma treatment on both surfaces of the first separator sheet to form a mask having a predetermined pattern and adhesive force activated, and the second surface may be weaker than the plasma applied to the first surface. .
- step S10 only the first surface may be plasma treated to form a mask having a predetermined pattern and adhesive force activated.
- step S10 a binder coating layer is formed on both surfaces of the first separator sheet to protrude a mask having a predetermined pattern, and the mask provided on the second surface has a smaller area and a smaller thickness than the mask provided on the first surface. Can be formed.
- step S30 After the step S30, and attaching the second separator sheet to the second electrode sheet of the base unit by applying heat and pressure, and winding the base unit to prepare an electrode assembly (S40).
- the present invention has the following effects.
- the adhesion of the first electrode sheet and the second electrode sheet can be uniformly controlled, and in particular, the gas is discharged through the space between the patterned masks. Or improves the impregnation force as the electrolyte flows, and as a result, there is an effect that can improve the quality of the electrode assembly.
- Second By changing the plasma applied to the first surface and the second surface of the first separator sheet, there is an effect that can form a patterned mask by applying the adhesive force of both sides of the first separator sheet.
- the adhesive force of both sides of the first separator sheet may be differently applied.
- FIG. 1 is a cross-sectional view showing an electrode assembly according to a first embodiment of the present invention.
- Figure 2 is a plan view showing a first surface of the first separation sheet included in the electrode assembly according to the present invention.
- Figure 3 is a plan view showing a second surface of the first separation sheet included in the electrode assembly according to the present invention.
- FIG. 4 is an enlarged view of a portion 'A' shown in FIG. 1;
- FIG. 5 is a cross-sectional view showing an electrode assembly according to a second embodiment of the present invention.
- FIG. 6 is a cross-sectional view showing an electrode assembly including a second separator sheet in a first embodiment of the present invention.
- FIG. 7 is a flowchart illustrating a method of manufacturing an electrode assembly according to the present invention.
- FIG. 8 is a view showing a first separator sheet manufacturing process according to a first embodiment of the present invention.
- FIG. 9 is a view showing a first separator sheet manufacturing process according to a second embodiment of the present invention.
- the electrode assembly 100 is adhered to both surfaces of the first separator sheet 130 and the first separator sheet 130, that is, the upper and lower surfaces respectively when viewed in FIG. 1.
- the first electrode sheet 110 and the second electrode sheet 120 to be included.
- the first electrode sheet 110 is a cathode
- the second electrode sheet 120 is an anode.
- the electrode assembly 100 has a higher adhesive strength of the second electrode sheet 112 as the anode than the first electrode sheet 110 as the cathode, and thus the first electrode sheet 110 and the second electrode sheet 120 When bonding to both surfaces of the first separator sheet 130 with the same adhesive force, the adhesive force of the second electrode sheet 120 is excessively larger than that of the first electrode sheet 110, causing a factor of inhibiting interfacial adhesion.
- the electrode assembly 100 may be formed through a first separator sheet 130 having a patterned mask having different adhesive strength on both sides, as shown in FIGS. 2 and 3.
- the adhesion between the first electrode sheet 110 and the second electrode sheet 120 may be uniformly adjusted.
- through the passage between the patterned mask it is possible to quickly discharge the gas generated during the adhesion of the electrode assembly to the outside, as well as to improve the impregnation force as the electrolyte flows.
- patterned masks 133 and 134 having different adhesive strengths are formed, respectively.
- the first electrode sheet 110 is adhered to the mask 133 of the first surface 131 having the high adhesive strength among the two surfaces, and the second electrode sheet is attached to the mask 134 of the second surface 132 having the low adhesive strength. 120 is bonded.
- patterned masks 133 and 134 having adhesive strength are formed on both surfaces of the first separator sheet 130, respectively, and the first separator sheet 130 to which the second electrode sheet 120 is bonded is formed.
- the adhesive force of the first electrode sheet 110 and the second electrode sheet 120 may be uniformly adjusted by lowering the adhesive force of the mask 134 provided on the second surface 132.
- the masks 133 and 134 formed on both surfaces of the first separator sheet 130 are formed in a predetermined pattern to form passages in the longitudinal direction or the width direction between the masks 133 and 134, and through the passages.
- the gas generated when the electrode assembly 100 is adhered may be discharged to the outside or the electrolyte may be introduced to improve the impregnation force.
- the first separator sheet 130 in the electrode assembly 100 has a predetermined pattern by both the plasma treatment of the plasma (200) plasma device 200, both sides have a predetermined pattern
- Each of the activated masks 133 and 134 is formed, wherein the second surface 132 is weaker than the first surface 131, and thus the patterned mask 133 of the second surface 132 is formed. It has a lower adhesion than the patterned mask 134 of the first side 131.
- the second electrode sheet 120 is adhered to the mask 134 of the second surface 132 that is weakly plasma-treated, and the mask 133 of the first surface 131 that is more strongly plasma-processed than the second surface 132.
- the adhesive force of the first electrode sheet 110 and the second electrode sheet 120 can be uniformly matched.
- the masks 133 and 134 may be formed to protrude in a predetermined pattern on both sides of the first separator sheet 130, and thus a gas discharge space is formed between the masks 133 and 134 to form the electrode assembly 100.
- the gas can be discharged more easily during adhesion.
- the masks 133 and 134 may have any one of a circle, an oval, a rectangle, a polygon, and a long bar shape.
- the surface of the gas discharge space without the masks 133 and 134 may have no adhesive force or may have a smaller adhesive force than the masks 133 and 134, thereby simultaneously obtaining the adhesive force and the gas discharge power.
- the electrode assembly 100 of the present invention has a second separator sheet 140 adhered to an outer surface of either the first electrode sheet 110 or the second electrode sheet 120. It further includes.
- the second separator sheet 140 in order to manufacture the electrode assembly 100 in a jelly-roll form, the second separator sheet 140 must be included in the outermost part.
- the electrode assembly 100 of the present invention adheres the second separator sheet 140 to the lower portion of the second electrode sheet 120 to form the first electrode sheet 110 and the first separator.
- a stacked structure of the sheet 130, the second electrode sheet 120, and the second separator sheet 140 is formed and wound to prepare a jelly-roll type electrode assembly.
- the second separator sheet 140 is plasma-treated on the surface bonded to the first electrode sheet 110 or the second electrode sheet 120 to form a mask 141 with a predetermined pattern and adhesive force is activated.
- the adhesion of the electrode sheet adhered to the second separator sheet 140 may be increased.
- the mask 141 of the second separator sheet 140 and the second surface 132 of the first separator sheet 130 are formed.
- the mask 134 provided at the same may have the same adhesive force, and thus the two-side adhesive force of the second electrode sheet 120 may be equally matched.
- the mask 141 of the second separator sheet 140 and the first surface 131 of the first separator sheet 130 are formed.
- the mask 133 provided at) has the same adhesive force, so that both sides of the first electrode sheet 110 can be equally matched.
- the first separator sheet 130 in the electrode assembly 100 is plasma-treated only on the first surface 131 by referring to FIGS. 5 and 9 so that a predetermined pattern and adhesive force are activated. Is formed. That is, the adhesion of the first electrode sheet 110 and the second electrode sheet 120 may be uniformly matched by increasing the adhesion of the first surface 131 to the adhesion of the second surface 132 through plasma treatment.
- manufacturing the first separator sheet 130 so that the patterned masks 133 and 134 having different adhesive strengths on both surfaces thereof are formed S10).
- Disposing the first electrode sheet 110 and the second electrode sheet 120 on both sides of the first separator sheet 130 S20
- adhering the first electrode sheet 110 and the second electrode sheet 120 to the masks 133 and 134 formed on both surfaces of the first separator sheet 130, respectively S30.
- Step S10 forms patterned masks 133 and 134 having different adhesive strengths on both surfaces of the first separator sheet 130.
- the plasma mask 200 performs plasma treatment on both surfaces of the first separator sheet 130 to activate a predetermined pattern and adhesive force.
- the plasma treatment is weaker than the plasma applied to the first surface 131, so that the mask 134 of the second surface 132 is a mask of the first surface 131.
- (133) has a weaker adhesion.
- the mask 133 of the first surface 131 having high adhesion and the first electrode sheet 110 which is a negative electrode having weak adhesive strength, are bonded to each other, and the mask 134 and the adhesive force of the second surface 132 having weak adhesive strength are adhered to each other. While the second electrode sheet 120, which is a high anode, is bonded, the adhesive strength of the first electrode sheet 110 and the second electrode sheet 120 may be uniformly matched. In particular, the gas generated during adhesion to the space between the patterned masks 133 and 134 is discharged, thereby preventing adhesion failure due to the gas.
- a second method as shown in FIG. 9, only the first surface 131 of both surfaces of the first separator sheet 130 is selectively plasma-processed through the plasma apparatus 200 to activate a predetermined pattern and adhesive force.
- the mask 133 is formed, and thus the second surface 132 has a weaker adhesive force than the first surface 131 and uniformly matches the adhesive force of the first electrode sheet 110 and the second electrode sheet 120. have.
- the first electrode sheet 110 is disposed on the first surface 131 having a relatively high adhesive strength among both surfaces of the first separator sheet 130, and the lower surface of the first separator sheet 130 is relatively low.
- the second electrode sheet 120 is disposed on the second surface 132 having the adhesive force.
- the first electrode sheet 110 and the second electrode sheet 120 are adhered to both surfaces of the first separator sheet 130 to prepare an unfinished electrode assembly.
- step S30 After the step S30, and bonding the second separator sheet 140 to the outermost part of the unfinished electrode assembly (S40).
- step S40 as shown in FIG. 6, the second separator sheet 140 is bonded to the second electrode sheet 120 of the unfinished electrode assembly by applying heat and pressure, and wound into a jelly-roll to prepare an electrode assembly. do.
- the mask 141 of the second separator sheet 140 has the same adhesive strength as that of the mask 134 provided on the second surface 132 of the first separator sheet 130.
- the first electrode sheet 110 and the second electrode sheet 120 are adhered to the separator having two sides having different adhesive strengths from each other. )
- the adhesive strength of the can be uniformly matched, thereby improving the quality.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (13)
- 제1 분리막시트; 및상기 제1 분리막시트의 양면에 각각 접착되는 제1 전극시트 및 제2 전극시트를 포함하며,상기 제1 분리막시트의 양면은 서로 다른 접착력을 가지는 패턴화된 마스크가 형성되되, 상기 양면 중 높은 접착력을 가지는 제1 면의 마스크에 상기 제1 전극시트가 접착되고, 낮은 접착력을 가지는 제2 면의 마스크에 상기 제2 전극시트가 접착되는 것을 특징으로 하는 전극조립체.
- 청구항 1에 있어서,상기 제1 분리막시트의 양면은 플라즈마(plasma) 처리에 의하여 일정한 패턴과 접착력이 활성화된 마스크가 형성되되, 상기 제2 면은 상기 제1 면에 보다 약하게 플라즈마 처리되는 것을 특징으로 하는 전극조립체.
- 청구항 1에 있어서,상기 제1 분리막시트는 상기 제1 면에만 플라즈마 처리하여 일정한 패턴과 접착력이 활성화된 마스크를 형성하는 것을 특징으로 하는 전극조립체.
- 청구항 2 또는 청구항 3에 있어서,상기 제1 분리막시트의 양면 또는 제1 면에서 상기 마스크를 제외한 표면은 접착력이 없거나 또는 상기 마스크 보다 낮은 접착력을 가지는 것을 특징으로 하는 전극조립체.
- 청구항 1에 있어서,상기 제1 전극시트는 음극이고, 상기 제2 전극시트는 양극인 것을 특징으로 하는 전극조립체.
- 청구항 1에 있어서,상기 제1 전극시트 또는 상기 제2 전극시트 중 어느 하나의 외측면에 접착되는 제2 분리막시트를 더 포함하는 것을 특징으로 하는 전극조립체.
- 청구항 6에 있어서,상기 제2 분리막시트에서 상기 제1 전극시트 또는 상기 제2 전극시트에 접착되는 면은 플라즈마(plasma) 처리에 의하여 일정한 패턴과 접착력이 활성화된 마스크가 형성되는 것을 특징으로 하는 전극조립체.
- 청구항 7에 있어서,상기 제2 전극시트의 외측면에 상기 제2 분리막시트가 접착되면, 상기 제2 분리막시트에 형성된 마스크와 상기 제1 분리막시트의 제2 면에 형성된 마스크는 동일한 접착력을 가지는 것을 특징으로 하는 전극조립체.
- 청구항 7에 있어서,상기 제1 전극시트의 외측면에 상기 제2 분리막시트가 접착되면, 상기 제2 분리막시트에 형성된 마크스와 상기 제1 분리막시트의 제1 면에 형성된 마스크는 동일한 접착력을 가지는 것을 특징으로 하는 전극조립체.
- 양면이 서로 다른 접착력을 가지는 패턴화된 마스크가 형성되도록 제1 분리막시트를 제조하는 단계(S10);상기 제1 분리막시트의 양면 중 상대적으로 높은 접착력을 가지는 제1 면의 마스크에 제1 전극시트를 배치하고, 상기 제1 분리막시트의 양면 중 상대적으로 낮은 접착력을 가지는 제2 면의 마스크에 제2 전극시트를 배치하는 단계(S20); 및열과 압력을 가하여 상기 제1 분리막시트의 양면에 상기 제1 전극시트 및 상기 제2 전극시트를 접착하여 기본단위체를 제조하는 단계(S30)를 포함하는 것을 특징으로 하는 전극조립체의 제조방법.
- 청구항 10에 있어서,상기 S10 단계는 상기 제1 분리막시트의 양면에 플라즈마(plasma) 처리하여 일정한 패턴과 접착력이 활성화된 마스크를 형성하되, 상기 제2 면에는 상기 제1 면에 가해지는 플라즈마 보다 약하게 플라즈마 처리하는 것을 특징으로 하는 전극조립체의 제조방법.
- 청구항 10에 있어서,상기 S10 단계는 상기 제1 면만 플라즈마 처리하여 일정한 패턴과 접착력이 활성화된 마스크를 형성하는 것을 특징으로 하는 전극조립체의 제조방법.
- 청구항 10에 있어서,상기 S30 단계 후, 상기 기본 단위체의 제2 전극시트에 제2 분리막시트를 열과 압력을 가하여 접착하고, 상기 기본 단위체를 권취하여 전극조립체를 제조하는 단계(S40)를 더 포함하는 것을 특징으로 하는 전극조립체의 제조방법.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17753367.6A EP3300156B1 (en) | 2016-02-16 | 2017-01-12 | Electrode assembly and manufacturing method therefor |
PL17753367T PL3300156T3 (pl) | 2016-02-16 | 2017-01-12 | Zespół elektrodowy i sposób jego wytwarzania |
CN202110366685.1A CN113270690B (zh) | 2016-02-16 | 2017-01-12 | 电极组件及其制造方法 |
CN201780002349.0A CN108701855B (zh) | 2016-02-16 | 2017-01-12 | 电极组件及其制造方法 |
JP2018512162A JP6699874B2 (ja) | 2016-02-16 | 2017-01-12 | 電極組立体およびその製造方法 |
US15/737,964 US10749160B2 (en) | 2016-02-16 | 2017-01-12 | Electrode assembly and method for manufacturing the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2016-0018002 | 2016-02-16 | ||
KR1020160018002A KR101977639B1 (ko) | 2016-02-16 | 2016-02-16 | 전극조립체 및 그의 제조방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017142206A1 true WO2017142206A1 (ko) | 2017-08-24 |
Family
ID=59625312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2017/000398 WO2017142206A1 (ko) | 2016-02-16 | 2017-01-12 | 전극조립체 및 그의 제조방법 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10749160B2 (ko) |
EP (1) | EP3300156B1 (ko) |
JP (1) | JP6699874B2 (ko) |
KR (1) | KR101977639B1 (ko) |
CN (2) | CN113270690B (ko) |
PL (1) | PL3300156T3 (ko) |
WO (1) | WO2017142206A1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6691856B2 (ja) * | 2016-09-28 | 2020-05-13 | 株式会社エンビジョンAescジャパン | 二次電池 |
JP7186747B2 (ja) * | 2020-07-27 | 2022-12-09 | プライムプラネットエナジー&ソリューションズ株式会社 | 二次電池およびその製造方法 |
KR20230052713A (ko) * | 2021-10-13 | 2023-04-20 | 주식회사 엘지에너지솔루션 | 접착코팅부가 부가된 리튬 이차전지용 전극 및 이의 제조방법 |
JP7525528B2 (ja) | 2022-01-28 | 2024-07-30 | プライムプラネットエナジー&ソリューションズ株式会社 | 捲回電極体及び電池、並びに捲回電極体の製造方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10172531A (ja) * | 1996-12-16 | 1998-06-26 | Nitto Denko Corp | 多孔質フィルム及び電池用セパレータ |
KR20010039510A (ko) * | 1999-11-15 | 2001-05-15 | 다니구찌 이찌로오, 기타오카 다카시 | 리튬이온전지 및 그의 형성법 |
KR20140065053A (ko) * | 2012-11-21 | 2014-05-29 | 주식회사 엘지화학 | 이종 분리막들을 포함하고 있는 전극조립체 및 이를 포함하는 이차전지 |
KR20150037643A (ko) * | 2013-09-30 | 2015-04-08 | 주식회사 엘지화학 | 리튬 이차전지용 세퍼레이터의 제조방법, 그 방법에 의해 제조된 세퍼레이터, 및 이를 포함하는 리튬 이차전지 |
KR20150051901A (ko) * | 2013-11-04 | 2015-05-13 | 주식회사 엘지화학 | 이차 전지용 접착층 형성 방법 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS628471A (ja) * | 1985-07-04 | 1987-01-16 | Matsushita Electric Ind Co Ltd | 空気ボタン電池 |
WO2000060690A1 (en) * | 1999-03-31 | 2000-10-12 | Koninklijke Philips Electronics N.V. | Method of bonding a separator and an electrode, more particularly a cathode or an anode, as well as a battery |
JP3447610B2 (ja) * | 1999-04-23 | 2003-09-16 | 日本電気株式会社 | 電極セパレータ積層体、その製造方法およびそれを用いた電池 |
JP3745593B2 (ja) * | 2000-06-29 | 2006-02-15 | 三菱電機株式会社 | 電池およびその製造方法 |
KR100958649B1 (ko) | 2002-12-27 | 2010-05-20 | 삼성에스디아이 주식회사 | 전지부와, 이의 감는 방법과, 이를 채용하여 제조된 리튬이차 전지 |
JP4429851B2 (ja) * | 2004-09-08 | 2010-03-10 | 日東電工株式会社 | 耐久性に優れた電解質膜 |
WO2007129839A1 (en) * | 2006-05-04 | 2007-11-15 | Lg Chem, Ltd. | Lithium secondary battery and method for producing the same |
KR101171835B1 (ko) | 2009-07-03 | 2012-08-14 | 한국생산기술연구원 | 친수성 고분자로 표면개질된 폴리올레핀 미세다공성막, 그의 표면개질방법 및 표면개질된 폴리올레핀 미세다공성막을 구비한 리튬이온폴리머전지 |
KR101100990B1 (ko) * | 2009-12-15 | 2011-12-29 | 삼성에스디아이 주식회사 | 이차전지 |
KR20110075631A (ko) * | 2009-12-28 | 2011-07-06 | 롯데알미늄 주식회사 | 나노기공을 갖는 세퍼레이터 및 이를 이용한 에너지 저장 장치 |
JP5499758B2 (ja) * | 2010-02-22 | 2014-05-21 | 三洋電機株式会社 | 非水電解質二次電池及びその製造方法 |
JP5831924B2 (ja) * | 2011-03-31 | 2015-12-09 | Necエナジーデバイス株式会社 | 電池パック |
JP5606416B2 (ja) * | 2011-09-26 | 2014-10-15 | 株式会社東芝 | 電極のプレス装置、電極の製造装置及び電極の製造方法 |
KR101457546B1 (ko) | 2011-11-04 | 2014-11-04 | 주식회사 엘지화학 | 분리막의 제조방법 및 이로부터 제조되는 분리막 |
JP2013157121A (ja) | 2012-01-27 | 2013-08-15 | Nagano Automation Kk | 二次電池用の電極組立体を組み立てるシステムおよび方法 |
JP6138019B2 (ja) * | 2013-10-03 | 2017-05-31 | Aiメカテック株式会社 | 電極形成装置、電極形成システム、及び電極形成方法 |
EP2996188B1 (en) * | 2013-10-31 | 2018-09-19 | LG Chem, Ltd. | Electrode assembly and lithium secondary battery comprising the same |
CN103956450B (zh) * | 2014-05-16 | 2016-08-24 | 中国东方电气集团有限公司 | 一种锂离子电池用复合隔膜及其制备方法 |
KR101950448B1 (ko) * | 2015-07-10 | 2019-02-20 | 주식회사 엘지화학 | 전극조립체 및 그의 제조방법 |
-
2016
- 2016-02-16 KR KR1020160018002A patent/KR101977639B1/ko active IP Right Grant
-
2017
- 2017-01-12 WO PCT/KR2017/000398 patent/WO2017142206A1/ko active Application Filing
- 2017-01-12 CN CN202110366685.1A patent/CN113270690B/zh active Active
- 2017-01-12 JP JP2018512162A patent/JP6699874B2/ja active Active
- 2017-01-12 PL PL17753367T patent/PL3300156T3/pl unknown
- 2017-01-12 CN CN201780002349.0A patent/CN108701855B/zh active Active
- 2017-01-12 EP EP17753367.6A patent/EP3300156B1/en active Active
- 2017-01-12 US US15/737,964 patent/US10749160B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10172531A (ja) * | 1996-12-16 | 1998-06-26 | Nitto Denko Corp | 多孔質フィルム及び電池用セパレータ |
KR20010039510A (ko) * | 1999-11-15 | 2001-05-15 | 다니구찌 이찌로오, 기타오카 다카시 | 리튬이온전지 및 그의 형성법 |
KR20140065053A (ko) * | 2012-11-21 | 2014-05-29 | 주식회사 엘지화학 | 이종 분리막들을 포함하고 있는 전극조립체 및 이를 포함하는 이차전지 |
KR20150037643A (ko) * | 2013-09-30 | 2015-04-08 | 주식회사 엘지화학 | 리튬 이차전지용 세퍼레이터의 제조방법, 그 방법에 의해 제조된 세퍼레이터, 및 이를 포함하는 리튬 이차전지 |
KR20150051901A (ko) * | 2013-11-04 | 2015-05-13 | 주식회사 엘지화학 | 이차 전지용 접착층 형성 방법 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3300156A4 * |
Also Published As
Publication number | Publication date |
---|---|
US10749160B2 (en) | 2020-08-18 |
CN108701855A (zh) | 2018-10-23 |
JP2018526794A (ja) | 2018-09-13 |
KR101977639B1 (ko) | 2019-05-14 |
US20180323415A1 (en) | 2018-11-08 |
PL3300156T3 (pl) | 2020-08-24 |
CN113270690B (zh) | 2022-11-25 |
EP3300156A1 (en) | 2018-03-28 |
EP3300156B1 (en) | 2020-05-13 |
EP3300156A4 (en) | 2018-07-04 |
JP6699874B2 (ja) | 2020-05-27 |
KR20170096517A (ko) | 2017-08-24 |
CN113270690A (zh) | 2021-08-17 |
CN108701855B (zh) | 2021-04-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2017142206A1 (ko) | 전극조립체 및 그의 제조방법 | |
WO2017010725A1 (ko) | 전극조립체 및 그의 제조방법 | |
WO2015046803A1 (ko) | 전극조립체 및 이차전지의 제조방법 | |
WO2018216900A1 (ko) | 이차전지용 플라즈마 발생장치 | |
WO2014042424A1 (ko) | 2차 전지 내부 셀 스택 방법 및 이를 이용하여 제조되는 셀 스택 | |
WO2017166344A1 (zh) | 叠层柔性基板及制作方法 | |
WO2018236033A1 (ko) | 이차전지용 플라즈마 발생장치 및 그를 포함하는 라미네이션 시스템 | |
WO2018155811A1 (ko) | 이차전지용 플라즈마 발생장치 및 그를 포함하는 라미네이션 시스템 | |
WO2016171519A1 (ko) | 리튬 이차전지용 분리막 및 그의 제조방법 | |
WO2018048165A1 (ko) | 적층형 전극 조립체 및 이를 포함하는 플렉서블 이차 전지 | |
WO2014133303A1 (ko) | 안정성이 향상된 이차전지용 바이셀 및 그 제조방법 | |
WO2017191910A2 (ko) | 이차전지의 제조방법 및 전극 조립체의 제조방법 | |
WO2021118033A1 (ko) | 전극조립체, 그의 제조장치 및 제조방법 | |
WO2020209539A1 (ko) | 이차전지 및 그의 제조방법 | |
WO2021015459A1 (ko) | 이차전지용 전극 조립체, 이의 제조 방법 및 이를 포함하는 리튬이차전지 | |
WO2020197246A1 (ko) | 전극조립체 및 그 전극조립체 제조용 라미네이션 장치 및 그 전극조립체의 제조 방법 | |
WO2022092616A1 (ko) | 이차전지용 플라즈마 발생장치 및 그를 포함하는 라미네이션 시스템 | |
WO2022186639A1 (ko) | 파우치 포밍 방법 | |
WO2018070701A1 (ko) | 젖음성이 향상된 이차전지용 단위 셀 및 그 제조방법 | |
WO2021091169A1 (ko) | 막-전극 어셈블리의 제조를 위한 방법 및 장치 | |
WO2017082594A1 (ko) | 이차전지 및 그의 제조방법 | |
WO2018009042A1 (ko) | 전극 조립체 및 그의 제조 방법 | |
WO2022149921A1 (ko) | 절연성 코팅층이 형성된 분리막을 포함하는 이차전지용 유닛셀, 및 이의 제조방법 | |
WO2013125747A1 (ko) | 디바이스 웨이퍼와 캐리어 웨이퍼의 본딩과 디본딩 처리방법 및 장치 | |
WO2024049243A1 (ko) | 플라즈마 처리 장치 및 이를 포함하는 이차 전지용 라미네이션 시스템 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 17753367 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15737964 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2017753367 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2018512162 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |