WO2014025004A1 - ロール部材、塗布装置、セパレータ製造装置及び二次電池製造装置 - Google Patents
ロール部材、塗布装置、セパレータ製造装置及び二次電池製造装置 Download PDFInfo
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- WO2014025004A1 WO2014025004A1 PCT/JP2013/071580 JP2013071580W WO2014025004A1 WO 2014025004 A1 WO2014025004 A1 WO 2014025004A1 JP 2013071580 W JP2013071580 W JP 2013071580W WO 2014025004 A1 WO2014025004 A1 WO 2014025004A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0817—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for removing partially liquid or other fluent material from the roller, e.g. scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0808—Details thereof, e.g. surface characteristics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
- H01M10/0409—Machines for assembling batteries for cells with wound electrodes
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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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
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- H—ELECTRICITY
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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
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
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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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
- B05C1/083—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets being passed between the coating roller and one or more backing rollers
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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
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
- H01M50/406—Moulding; Embossing; Cutting
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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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
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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
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/417—Polyolefins
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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
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/423—Polyamide resins
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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
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/426—Fluorocarbon polymers
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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
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
- H01M50/451—Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
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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
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
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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
- 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
Definitions
- the present invention has been made in view of such circumstances, and while suppressing the occurrence of the ear height phenomenon, a roll member capable of uniformly forming a coating film on the surface of the substrate, a coating apparatus, a separator manufacturing apparatus, and An object is to provide a secondary battery manufacturing apparatus.
- a plurality of fine grooves are formed on the outer peripheral surface of the roll member 30.
- the plurality of grooves are arranged obliquely with respect to a direction V1 parallel to the central axis 30a of the roll member 30.
- the angle ⁇ (hereinafter referred to as the groove inclination angle) formed by the direction V1 parallel to the central axis 30a and the groove inclination direction V2 is about 45 °.
- FIG. 6 is a diagram illustrating a state in which the coating liquid 12a is supplied to the roll member 30 of the present embodiment.
- illustration of the supply part 31 and the blade member 32 is abbreviate
- the amount of the coating liquid 12a held in the first processing area SA1 is the third processing area. The amount is smaller than the amount of the coating liquid 12a held at SA3.
- FIG. 8 is a diagram showing the thickness of the heat-resistant layer formed on the film material when a certain position in the longitudinal direction of the film material is measured for the comparative example and the example.
- the horizontal axis represents the position in the width direction of the machining area.
- the vertical axis represents the thickness of the heat-resistant layer formed on the film material.
- the horizontal axis in FIG. 8 is opposite to the horizontal axis in the lower diagram of FIG.
- the left side corresponds to one end E1 side in the width direction of the processing region.
- the right side corresponds to the other end E2 side in the width direction of the processing region.
- the pitch (scale) on the horizontal axis is 10 mm.
- the length of the film material in the longitudinal direction is about 1000 m.
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- Cell Separators (AREA)
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Abstract
Description
50/3≦(L/d)≦1000/3 ・・・(1)
図1は、本発明の第1実施形態のセパレータ製造装置1を示す模式図である。セパレータ製造装置1は、例えば、ポリエチレンなどからなる多孔質の基材の表面にアラミド樹脂やセラミックスなどからなる耐熱層が積層されているセパレータを製造するための装置である。
図2に示すように、本実施形態のセパレータ10は、基材11に耐熱層12が形成された帯状のものである。セパレータ10は、例えば、捲回型の二次電池において、正極板と負極板との間に捲回される絶縁体である。
第3加工領域SA3は、第1加工領域SA1と第2加工領域SA2との間に設けられている。第3加工領域SA3は、第1加工領域SA1及び第2加工領域SA2以外の加工領域である。
以下、本発明者が見出した当該関係について、図7を用いて説明する。
図8(b)は、フィルム材の基端から500m程度の位置を測定したときの図である。図8(c)は、フィルム材の基端から1000m程度の位置(末端)を測定したときの図である。
図11(a)に示すように、塗布液12aをロール部材30に供給すると、ロール部材30の加工領域30SAだけでなく、非加工領域30SBにも塗布液12aが付着してしまうことがある。
図14は、図3(a)に対応した、本発明の第2実施形態のロール部材130を示す斜視図である。図14に示すように、本実施形態のロール部材130は、中心軸130aに平行な方向において第2の非加工領域130SCを有している点、で上述の第1実施形態のロール部材30と異なっている。その他の点は上述の構成と同様であるので、図3(a)と同様の要素には同一の符号を付し、詳細な説明は省略する。
図15(a)は、フィルム材21を示す。
図16は、本発明の二次電池製造装置100を示す模式図である。
本発明の二次電池製造装置100は、正極板、負極板、一対のセパレータを含む二次電池を製造するためのものである。二次電池において一対のセパレータは、正極板、負極板をそれぞれ挟み込むものである。
図17に示すように、セパレータ110の形成領域110SAに正極板13が配置されている。正極板13にはタブ14が設けられている。タブ14はセパレータ110の外部に一部露出している。尚、セパレータ110の非形成領域110SBは熱融着される領域である。
図18に示すように、二次電池50は、内部に電解液を貯留する容器51を備える。二次電池50は、例えばリチウムイオン二次電池である。例えば、容器51は、アルミニウム製の中空容器であり、外形が略角柱状(略直方体状)である。容器51は、開口を有する容器本体511と、この開口を塞いで容器本体511に接合された蓋512と、を有している。
Claims (10)
- 外周面に複数の溝が形成されたロール部材であって、
前記複数の溝は、前記ロール部材の中心軸に平行な方向に対して斜めに配置され、
前記ロール部材の外周面には、前記複数の溝が形成された加工領域と、前記複数の溝が形成されていない非加工領域と、が設けられ、
前記加工領域は、前記中心軸に平行な前記加工領域の幅方向の一端側に設けられた第1加工領域と、前記加工領域の幅方向の他端側に設けられた第2加工領域と、前記第1加工領域及び前記第2加工領域以外の加工領域である第3加工領域と、を有し、
前記第3加工領域の溝の深さは均一になっており、
前記第1加工領域の溝の深さは前記第3加工領域の溝の深さよりも浅くなっており、
前記第1加工領域の溝の深さは前記加工領域の幅方向の一端に近づくに従って漸次浅くなっており、
前記第2加工領域の溝の深さは前記第3加工領域の溝の深さよりも浅くなっており、
前記第2加工領域の溝の深さは前記加工領域の幅方向の他端に近づくに従って漸次浅くなっており、
前記第1加工領域の前記中心軸に平行な方向の第1の長さと前記第2加工領域の前記中心軸に平行な方向の第2の長さとが互いに異なるロール部材。 - 外周面に複数の溝が形成されたロール部材であって、
前記複数の溝は、前記ロール部材の中心軸に平行な方向に対して斜めに配置され、
前記ロール部材の外周面には、前記複数の溝が形成された加工領域と、前記複数の溝が形成されていない非加工領域と、が設けられ、
前記加工領域は、前記中心軸に平行な前記加工領域の幅方向の一端側に設けられた第1加工領域と、前記加工領域の前記第1加工領域以外の加工領域である第4加工領域と、を有し、
前記第4加工領域の溝の深さは均一になっており、
前記第1加工領域の溝の深さは前記第4加工領域の溝の深さよりも浅くなっており、
前記第1加工領域の溝の深さは前記加工領域の幅方向の一端に近づくに従って漸次浅くなっているロール部材。 - 前記第1加工領域の前記第1端部から最も遠い部分の溝の深さをd、前記第1加工領域の前記中心軸に平行な方向の長さをLとしたとき、下記の(1)式を満たす第1項または第2項に記載のロール部材。
50/3≦(L/d)≦1000/3 ・・・(1) - 前記ロール部材の外周面には、前記加工領域と前記非加工領域とが前記中心軸と平行な方向に沿って交互に複数列ずつ設けられている第1項または第2項に記載のロール部材。
- フィルム材に塗布液を塗布するための塗布装置であって、
中心軸の周りに回転可能に配置された第1項または第2項に記載のロール部材と、
前記ロール部材の外周面に前記塗布液を供給する供給部と、
前記ロール部材の外周面に付着した余分な前記塗布液を掻き取るブレード部材と、を含み、
前記ブレード部材は、前記ロール部材の前記加工領域および前記非加工領域に接触し、前記加工領域に付着した余分な前記塗布液を掻き取るとともに、前記非加工領域に付着した前記塗布液を掻き取り前記非加工領域の前記塗布液を全て除去するように構成されている塗布装置。 - 前記ブレード部材の前記ロール部材と接触する先端部分が、前記中心軸に平行な直線形状である第5項に記載の塗布装置。
- 前記ブレード部材は前記ロール部材よりも弾性率が小さい第5項に記載の塗布装置。
- 前記ロール部材は金属材料で形成されており、前記ブレード部材は樹脂材料で形成されている第7項に記載の塗布装置。
- 基材に耐熱層が積層されているセパレータを製造するためのセパレータ製造装置であって、
第5項に記載の塗布装置と、
前記塗布装置により前記基材となるフィルム材に転写された前記耐熱層の形成材料を含む塗布液を乾燥させる乾燥装置と、
を含むセパレータ製造装置。 - 正極板と、負極板と、前記正極板又は前記負極板を挟み込む一対のセパレータと、を含む二次電池を製造するための二次電池製造装置であって、
第9項に記載のセパレータ製造装置と、
前記セパレータ製造装置によって製造された一対のセパレータの間に前記正極板又は前記負極板を挟み込む重ね合わせ装置と、前記正極板又は前記負極板を挟み込んでいる前記一対のセパレータの周縁部を加熱して前記一対のセパレータを熱融着させる加熱装置と、
を含み、
前記セパレータ製造装置は、前記ロール部材の前記加工領域に保持された前記塗布液を前記セパレータの基材の中央部に転写することにより、中央部に前記耐熱層が形成された形成領域を有し且つ周縁部に前記耐熱層が形成されていない非形成領域を有するセパレータを製造する装置であり、
前記重ね合わせ装置は、前記一対のセパレータの前記形成領域が前記正極板又は前記負極板と重なるように前記一対のセパレータを配置する装置であり、
前記加熱装置は、前記正極板又は前記負極板と重ならない前記セパレータの前記非形成領域を加熱して前記一対のセパレータを熱融着させる装置である二次電池製造装置。
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| US14/416,523 US9656285B2 (en) | 2012-08-06 | 2013-08-02 | Roll member, coating device, separator production device, and secondary battery production device |
| JP2014529570A JP6337773B2 (ja) | 2012-08-06 | 2013-08-02 | ロール部材、塗布装置、セパレータ製造装置及び二次電池製造装置 |
| KR1020197003882A KR102018485B1 (ko) | 2012-08-06 | 2013-08-02 | 세퍼레이터의 제조 방법 |
| CN201380041259.4A CN104520013B (zh) | 2012-08-06 | 2013-08-02 | 辊构件、涂敷装置、分隔件制造装置及二次电池制造装置 |
| US15/491,140 US10179341B2 (en) | 2012-08-06 | 2017-04-19 | Roll member, coating device, separator production device, and secondary batter production device |
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Also Published As
| Publication number | Publication date |
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| KR20150042217A (ko) | 2015-04-20 |
| JP2018155407A (ja) | 2018-10-04 |
| JP6524307B2 (ja) | 2019-06-05 |
| CN108054326A (zh) | 2018-05-18 |
| KR101949479B1 (ko) | 2019-02-19 |
| CN104520013A (zh) | 2015-04-15 |
| US20150202647A1 (en) | 2015-07-23 |
| US20170282204A1 (en) | 2017-10-05 |
| KR102018485B1 (ko) | 2019-10-21 |
| JPWO2014025004A1 (ja) | 2016-07-25 |
| CN104520013B (zh) | 2018-02-06 |
| JP6337773B2 (ja) | 2018-06-06 |
| US9656285B2 (en) | 2017-05-23 |
| KR20190016617A (ko) | 2019-02-18 |
| US10179341B2 (en) | 2019-01-15 |
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