JPH04126362A - Manufacture of sheet-shaped cell - Google Patents
Manufacture of sheet-shaped cellInfo
- Publication number
- JPH04126362A JPH04126362A JP24933790A JP24933790A JPH04126362A JP H04126362 A JPH04126362 A JP H04126362A JP 24933790 A JP24933790 A JP 24933790A JP 24933790 A JP24933790 A JP 24933790A JP H04126362 A JPH04126362 A JP H04126362A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- positive electrode
- negative electrode
- current collector
- collector plate
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000003566 sealing material Substances 0.000 claims description 7
- 239000007784 solid electrolyte Substances 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 6
- 238000010894 electron beam technology Methods 0.000 abstract description 5
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 239000007773 negative electrode material Substances 0.000 abstract description 3
- 239000007774 positive electrode material Substances 0.000 abstract description 3
- 229910000428 cobalt oxide Inorganic materials 0.000 abstract description 2
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 abstract description 2
- 238000010924 continuous production Methods 0.000 abstract description 2
- 238000013518 transcription Methods 0.000 abstract 3
- 230000035897 transcription Effects 0.000 abstract 3
- 235000011837 pasties Nutrition 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- -1 polypropylene Polymers 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- Y02E60/12—
Landscapes
- Primary Cells (AREA)
Abstract
Description
【発明の詳細な説明】 産業上の利用分野 本発明はシート状電池の製造法に関するものである。[Detailed description of the invention] Industrial applications The present invention relates to a method for manufacturing a sheet battery.
従来技術とその問題点
従来、この種のシート状電池は第２図に示した如き構造
である。即ち、正極活物質層、セパレータ、負極活物質
層を層状に重ねた発電要素の上下に、正極集電板及び負
極集電板を配置し、封口材を熱加圧して封口し、−層化
したものである。その製造法は、集電板の上に正極合剤
ペーストをコーティングにより所定の厚みに塗布し、硬
化させて正極を形成した。その上にコーティングにより
セパレータ層を形成したハーフセルに、負極と集電板と
を張り合わせて電池とするものであった。Prior art and its problems Conventionally, this type of sheet battery has a structure as shown in FIG. That is, a positive electrode current collector plate and a negative electrode current collector plate are placed above and below a power generation element in which a positive electrode active material layer, a separator, and a negative electrode active material layer are layered, and the sealing material is heated and pressurized to seal the layer. This is what I did. In its manufacturing method, a positive electrode mixture paste was coated on a current collector plate to a predetermined thickness and cured to form a positive electrode. A battery was constructed by laminating a negative electrode and a current collector plate to a half cell on which a separator layer was formed by coating.
このような従来の製造法では、正極、セパレータ、負極
をコーティングにより順次積層化していくために、各工
程毎に硬化時間が必要であり、生産性が悪く問題であっ
た。In such conventional manufacturing methods, since the positive electrode, separator, and negative electrode are sequentially laminated by coating, curing time is required for each step, resulting in poor productivity.
発明の目的
本発明は上記従来の問題点に鑑みなされたものであり、
生産性に優れたシート状電池を提供することを目的とす
るものである。Purpose of the Invention The present invention has been made in view of the above-mentioned conventional problems.
The purpose is to provide a sheet-like battery with excellent productivity.
発明の構成
本発明は上記目的を達成するべく、
正極集電板と負極集電板の間に発電要素を収納し、該正
、負極集電板の周縁を封口材で密封するシート状電池に
おいて、予めフィルム面上に形成した電極シートを集電
板又はセパレータに転写することを特徴とするシート状
電池の製造法である。Structure of the Invention In order to achieve the above object, the present invention provides a sheet-like battery in which a power generation element is housed between a positive electrode current collector plate and a negative electrode current collector plate, and the peripheries of the positive and negative electrode current collector plates are sealed with a sealing material. This is a method for manufacturing a sheet battery, which is characterized by transferring an electrode sheet formed on a film surface to a current collector plate or a separator.
尚、転写する集電板面に、予め導電性のアンダーコート
を施す前記のシート状電池の製造法である。In this method of manufacturing a sheet battery, a conductive undercoat is previously applied to the surface of the current collector plate to be transferred.
尚、セパレータが固体電解質である前記のシート状電池
の製造法である。Note that this is the method for producing the sheet-shaped battery described above, in which the separator is a solid electrolyte.
実施例 以下、本発明の詳細について一実施例により説明する。Example Hereinafter, the details of the present invention will be explained using one example.
第１図は本発明の一実施例によるシート状電池の製造法
を示した図である。第２図はシート状電池の断面図であ
る。FIG. 1 is a diagram showing a method of manufacturing a sheet battery according to an embodiment of the present invention. FIG. 2 is a sectional view of the sheet battery.
ここで１は転写フィルム、２は正極シート、３は集電板
、４はロール、５は正極、６はセパレーク、７は負極、
８は正極集電板、９は負極集電板、１０は封口材である
。Here, 1 is a transfer film, 2 is a positive electrode sheet, 3 is a current collector plate, 4 is a roll, 5 is a positive electrode, 6 is a separator, 7 is a negative electrode,
8 is a positive electrode current collector plate, 9 is a negative electrode current collector plate, and 10 is a sealing material.
ポリプロピレン、ポリエチレン等の転写フィルム上に酸
化コバルトとカーボン導電材及び固体電解質を混合した
ペースト状の正極活物質を印刷法により寸法５０■×５
０１、厚み４０μｍに塗布し、電子線を用いて硬化させ
正極を形成した。次に表面にアンダーコートを施してカ
ーボン被膜を形成したアルミニウム、ステンレス、チタ
ン、銅等の材質からなる正極集電仮に、この正極を熱ロ
ールを用いて転写し一体とした。A paste-like positive electrode active material, which is a mixture of cobalt oxide, carbon conductive material, and solid electrolyte, is printed on a transfer film such as polypropylene or polyethylene using a printing method with dimensions of 50 cm x 5.
01, was applied to a thickness of 40 μm and cured using an electron beam to form a positive electrode. Next, this positive electrode was temporarily transferred using a hot roll to a positive electrode current collector made of a material such as aluminum, stainless steel, titanium, or copper whose surface was undercoated to form a carbon film.
さらに正極面上に固体電解質ポリマーを２０μｍの厚み
にコーティングし、電子線、紫外線、熱等を用いて硬化
させ、ハーフセルを形成した。Furthermore, a solid electrolyte polymer was coated on the positive electrode surface to a thickness of 20 μm and cured using an electron beam, ultraviolet rays, heat, etc. to form a half cell.
負極についても、前記と同様の方法により作製した。The negative electrode was also produced by the same method as above.
即ち、カーボン粉末と固体電解質とを混合したペースト
状の負極活物質を転写フィルムに印刷法により寸法４８
ｍＸ４８鵬、厚み４０μｍに塗布し、電子線を用いて硬
化させて負極を形成した。That is, a paste-like negative electrode active material, which is a mixture of carbon powder and a solid electrolyte, is printed onto a transfer film with a size of 48 mm.
A negative electrode was formed by coating the film with a thickness of 40 μm and curing it using an electron beam.
この負極を前記のハーフセルの固体電解質からなるセパ
レータ面に転写して、正極／セパレータ／負極で構成さ
れる発電要素を形成した。This negative electrode was transferred onto the separator surface made of the solid electrolyte of the half cell to form a power generation element composed of positive electrode/separator/negative electrode.
次にステンレス、鉄、ニッケル、銅等の材質からなる厚
み１５μｍの金属箔の負極集電板に厚み８０μｍの窓枠
状の封口材を一体化したものを重ね合わせた。封口材部
分を加熱圧着して電池内部を密封し、外形寸法６０１１
１Ｘ６０３１１、厚み１２０ｔｔｍの連続したシート状
電池を作製した。封口材には変性ポリプロピレン又は変
性ポリエチレンを用いた。Next, an 80 μm thick window frame-shaped sealing material integrated with a 15 μm thick metal foil negative electrode current collector plate made of a material such as stainless steel, iron, nickel, or copper was laminated. The sealing material part is heat-pressed to seal the inside of the battery, and the external dimensions are 6011.
A continuous sheet-like battery of 1×60311 and a thickness of 120 ttm was produced. Modified polypropylene or modified polyethylene was used as the sealing material.
本発明の製造法は正極、負極を予め転写フィルム面上に
形成しておき、転写するので連続的に生産することが出
来る。In the manufacturing method of the present invention, a positive electrode and a negative electrode are formed in advance on the surface of a transfer film and transferred, so that continuous production is possible.
発明の効果
上述した如く、本発明は生産性に優れたシート状電池を
従供することが出来るので、その工業的価値は極めて大
である。Effects of the Invention As described above, the present invention can provide a sheet-shaped battery with excellent productivity, so its industrial value is extremely large.
第１図は本発明の一実施例によるシート状電池の製造法
を示した図、第２図はシート状電池の断面図である。FIG. 1 is a diagram showing a method of manufacturing a sheet battery according to an embodiment of the present invention, and FIG. 2 is a sectional view of the sheet battery.
Claims (3)
、該正、負極集電板の周縁を封口材で密封するシート状
電池において、予めフィルム面上に形成した電極シート
を集電板又はセパレータに転写することを特徴とするシ
ート状電池の製造法。(1) In a sheet battery in which a power generation element is housed between a positive electrode current collector plate and a negative electrode current collector plate, and the peripheries of the positive and negative electrode current collector plates are sealed with a sealing material, an electrode sheet formed in advance on a film surface is collected. A method for manufacturing a sheet battery, which is characterized by transferring onto an electric plate or a separator.
トを施す請求項１記載のシート状電池の製造法。(2) The method for manufacturing a sheet battery according to claim 1, wherein a conductive undercoat is applied in advance to the surface of the current collector plate to be transferred.
ート状電池の製造法。(3) The method for manufacturing a sheet battery according to claim 1, wherein the separator is a solid electrolyte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24933790A JPH04126362A (en) | 1990-09-18 | 1990-09-18 | Manufacture of sheet-shaped cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24933790A JPH04126362A (en) | 1990-09-18 | 1990-09-18 | Manufacture of sheet-shaped cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04126362A true JPH04126362A (en) | 1992-04-27 |
Family
ID=17191520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24933790A Pending JPH04126362A (en) | 1990-09-18 | 1990-09-18 | Manufacture of sheet-shaped cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04126362A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54164223A (en) * | 1978-06-19 | 1979-12-27 | Matsushita Electric Ind Co Ltd | Method of producing solid electrolytic battery |
| JPS57148874A (en) * | 1981-03-10 | 1982-09-14 | Toshiba Battery Co Ltd | Production of cell |
| JPS5995143A (en) * | 1982-11-22 | 1984-06-01 | シャープ株式会社 | Manufacture of coated steel plate |
| JPS59196576A (en) * | 1983-04-20 | 1984-11-07 | Sanyo Electric Co Ltd | Solid electrolyte cell |
| JPS59215659A (en) * | 1983-05-20 | 1984-12-05 | Matsushita Electric Ind Co Ltd | Flat type lithic battery |
| JPS60115168A (en) * | 1983-11-02 | 1985-06-21 | サイマット・リミテッド | Method of producing electric implement |
| JPS6362576A (en) * | 1986-09-01 | 1988-03-18 | Toppan Printing Co Ltd | Production of decorative steel sheet |
| JPH01503661A (en) * | 1987-06-18 | 1989-12-07 | ソシエテ・ナシオナル・エルフ・アキテーヌ | Method of assembling thin film electrochemical lithium battery components |
-
1990
- 1990-09-18 JP JP24933790A patent/JPH04126362A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54164223A (en) * | 1978-06-19 | 1979-12-27 | Matsushita Electric Ind Co Ltd | Method of producing solid electrolytic battery |
| JPS57148874A (en) * | 1981-03-10 | 1982-09-14 | Toshiba Battery Co Ltd | Production of cell |
| JPS5995143A (en) * | 1982-11-22 | 1984-06-01 | シャープ株式会社 | Manufacture of coated steel plate |
| JPS59196576A (en) * | 1983-04-20 | 1984-11-07 | Sanyo Electric Co Ltd | Solid electrolyte cell |
| JPS59215659A (en) * | 1983-05-20 | 1984-12-05 | Matsushita Electric Ind Co Ltd | Flat type lithic battery |
| JPS60115168A (en) * | 1983-11-02 | 1985-06-21 | サイマット・リミテッド | Method of producing electric implement |
| JPS6362576A (en) * | 1986-09-01 | 1988-03-18 | Toppan Printing Co Ltd | Production of decorative steel sheet |
| JPH01503661A (en) * | 1987-06-18 | 1989-12-07 | ソシエテ・ナシオナル・エルフ・アキテーヌ | Method of assembling thin film electrochemical lithium battery components |
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