JPH03276559A - Manufacture of cylindrical nonaqueous electrolyte battery - Google Patents
Manufacture of cylindrical nonaqueous electrolyte batteryInfo
- Publication number
- JPH03276559A JPH03276559A JP2075521A JP7552190A JPH03276559A JP H03276559 A JPH03276559 A JP H03276559A JP 2075521 A JP2075521 A JP 2075521A JP 7552190 A JP7552190 A JP 7552190A JP H03276559 A JPH03276559 A JP H03276559A
- Authority
- JP
- Japan
- Prior art keywords
- negative electrode
- current collector
- cylindrical
- electrode terminal
- lithium
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000011255 nonaqueous electrolyte Substances 0.000 title claims description 13
- 238000000034 method Methods 0.000 claims abstract description 12
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 abstract description 20
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 19
- 238000003466 welding Methods 0.000 abstract description 10
- 238000003825 pressing Methods 0.000 abstract description 3
- 208000028659 discharge Diseases 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/14—Cells with non-aqueous electrolyte
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、筒形非水電解液電池の製造方法に関し、特
に、負極の利用率の向上を図り、かつ集電体の負極端子
部に対するスポット溶接工程を廃止した製造方法に関す
る。Detailed Description of the Invention (Field of Industrial Application) The present invention relates to a method for manufacturing a cylindrical non-aqueous electrolyte battery, and in particular, to improving the utilization rate of a negative electrode and This invention relates to a manufacturing method that eliminates the spot welding process.
（従来の技術）
ボビン形リチウム電池は従来以下の工程を経て作られる
。(Prior Art) A bobbin-type lithium battery is conventionally manufactured through the following steps.
■正極端子部を兼用した有底円筒形ケースの内周部に円
筒状正極を装填する。■A cylindrical positive electrode is loaded into the inner periphery of a bottomed cylindrical case that also serves as the positive electrode terminal.
■一方、負極部を構成する金属リチウムのシートに集電
体を接着し、この面を内側にして円筒形に成形し、次い
で集電体のリード部を負極端子部にスポット溶接する。(2) On the other hand, a current collector is adhered to the metal lithium sheet that constitutes the negative electrode part, and the current collector is formed into a cylindrical shape with this surface facing inside, and then the lead part of the current collector is spot welded to the negative electrode terminal part.
■有底円筒形のセパレータを介してリチウム負極前記正
極の内周に装填し、その内周部に非水電解液を注入する
。(2) A lithium negative electrode is loaded onto the inner periphery of the positive electrode via a bottomed cylindrical separator, and a non-aqueous electrolyte is injected into the inner periphery.
■前記負極端子部を封口ガスケットを介してケースの開
口部にカシメ付け、電池内部を封口する。(2) The negative electrode terminal section is caulked to the opening of the case via a sealing gasket, and the inside of the battery is sealed.
（発明が解決しようとする課題）
しかしながら、この製造方法にあっては、集電体のリー
ド部と負極端子部のスポット溶接不良により歩留まりが
低下し、スポット溶接不良を原因として歩留まりが９８
．５％程度になることが知られている。(Problems to be Solved by the Invention) However, in this manufacturing method, the yield is reduced due to defective spot welding between the lead portion of the current collector and the negative electrode terminal portion, and the yield is reduced to 98% due to defective spot welding.
．． It is known that it is about 5%.
また、特に負極を構成する金属リチウムは軽く正極に対
する装填作業をスムーズに行うために正極内周との間に
クリアランスを設けであるので、電解液を注液した状態
では浮き上がり、定位置に定まりにくかった。In addition, the metal lithium that makes up the negative electrode is light and a clearance is provided between it and the inner circumference of the positive electrode to ensure smooth loading into the positive electrode, so it may float up when electrolyte is injected, making it difficult to set in place. Ta.
また、このような状態で電池の放電試験を実施したとこ
ろ、底部側から優先的に反応することか判明し、放電に
よる利用率が低下し、そのバラツキも大きかった。Furthermore, when a battery discharge test was carried out under such conditions, it was found that the reaction occurred preferentially from the bottom side, and the utilization rate due to discharge decreased and its variation was large.
この発明は以上の欠点を解決するもので、負極を定位置
に定め、正極に対する密着性を向上させることで極間距
離を短くし、利用率の向上と放電効率の向上を図ること
および、スポット溶接を廃止することで、溶接作業によ
る歩留まりの低下を排除できる筒形非水電解液電池の製
造方法を提供することを目的とする。This invention solves the above-mentioned drawbacks, and aims to shorten the distance between the electrodes by fixing the negative electrode in a fixed position and improving its adhesion to the positive electrode, thereby improving the utilization rate and discharge efficiency. An object of the present invention is to provide a method for manufacturing a cylindrical nonaqueous electrolyte battery that eliminates a decrease in yield due to welding by eliminating welding.
（課題を解決するための手段）
前記目的を達成するため、この発明は、アルカリ金属か
らなる円筒状負極を有底円筒形をしたセパレータを介し
てケース内に挿入された正極の内周に装填し、かつ前記
円筒状負極と負極端子部とを集電体を介して電気的に接
続する筒形非水電解液電池の製造方法において、前記円
筒状負極の一部に予め縦方向のスリットを形成し、この
負極の内部に複数の孔部が穿設された板状集電体を一端
側が他端側より径小となるテーパー状に捲回して、この
径小側から前記負極の内部に挿入し、非水電解液を注入
した後に前記負極端子部を封口ガスケットを介してケー
スの上部開口に嵌合してカシメ付けることで前記集電体
の上端を前記負極端子部の底部に圧接することを特徴と
する。(Means for Solving the Problem) In order to achieve the above object, the present invention provides a method in which a cylindrical negative electrode made of an alkali metal is loaded onto the inner periphery of a positive electrode inserted into a case through a separator having a bottomed cylindrical shape. In the method for manufacturing a cylindrical nonaqueous electrolyte battery in which the cylindrical negative electrode and the negative electrode terminal are electrically connected via a current collector, a vertical slit is formed in advance in a part of the cylindrical negative electrode. A plate-shaped current collector with a plurality of holes bored inside the negative electrode is wound into a tapered shape with one end having a smaller diameter than the other end, and the current collector is inserted into the inside of the negative electrode from the smaller diameter side. After inserting the current collector and injecting a non-aqueous electrolyte, the negative terminal part is fitted into the upper opening of the case via a sealing gasket and caulked, thereby pressing the top end of the current collector into contact with the bottom of the negative terminal part. It is characterized by
（作 用）
以上の構成によれば、負極内部に挿入された負極集電体
の上端は、負極端子部のカシメ付は工程で押圧される結
果、負極と負極端子部との間の電気的接続を確保できる
とともに、負極内に挿入された集電体は、その径が拡が
ることにより、負極に設けられたスリットを押し拡げて
、負極を分断するので、集電体と負極との密着性が向上
し、これにより負極は、セパレータを介して正極側に押
し付けられ、定位置に固定される。(Function) According to the above configuration, the upper end of the negative electrode current collector inserted inside the negative electrode is pressed during the caulking process of the negative electrode terminal, and as a result, there is no electrical connection between the negative electrode and the negative electrode terminal. In addition to ensuring the connection, the current collector inserted into the negative electrode expands its diameter, pushing the slit provided in the negative electrode and dividing the negative electrode, which improves the adhesion between the current collector and the negative electrode. As a result, the negative electrode is pressed against the positive electrode side through the separator and fixed in a fixed position.
（実 施 例）
以下、この発明の一実施例を図面を用いて詳細に説明す
る。(Example) Hereinafter, an example of the present invention will be described in detail using the drawings.
第１図はこの発明をボビン形リチウム電池に適用した場
合の製作手順を示すものである。FIG. 1 shows the manufacturing procedure when this invention is applied to a bobbin type lithium battery.
同図（ａ）において、正極１が底板２ａを介して正極集
電体を兼ねた有底円筒形のケース２の内周部に円筒状を
なして装填される点および正極１の内周にセパレータ３
が装填される点は従来と変わりがない。In the same figure (a), the positive electrode 1 is loaded in a cylindrical shape into the inner periphery of the bottomed cylindrical case 2 which also serves as a positive electrode current collector through the bottom plate 2a, and the inner periphery of the positive electrode 1 Separator 3
The fact that it is loaded is the same as before.
なお、前記正極１は二酸化マンガンを主剤とし、これに
導電剤としてグラフフィト、およびバインダとしてテト
ラフルオロエチレンを混合したものをプレス成形などに
より、円筒状に形成し、次いでケース２内に装填したも
のである。The positive electrode 1 is made of a mixture of manganese dioxide as a main ingredient, graphite as a conductive agent, and tetrafluoroethylene as a binder, formed into a cylindrical shape by press molding, and then loaded into the case 2. It is.
また、前記セパレータ３はポリプロピレン不織布を有底
円筒形に形成したもので、底板２ａの上面に着底する。Further, the separator 3 is made of polypropylene nonwoven fabric formed into a cylindrical shape with a bottom, and is attached to the upper surface of the bottom plate 2a.
これに対し、リチウム負極４は第２図に示すようにシー
ト状金属リチウムを円筒形に形成するとともに、その外
周部に縦方向に上部側に向けて拡開するテーパーのスリ
ット４ａを形成してあり、その直径は前記セパレータ３
の内径よりやや小さめに形成される。On the other hand, the lithium negative electrode 4 is made by forming sheet metal lithium into a cylindrical shape as shown in FIG. Yes, its diameter is the same as that of the separator 3.
It is formed slightly smaller than the inner diameter of.
そして、このリチウム負極４は第１図（ｂ）に示すよう
に、前記セパレータ３の内周に嵌合される。Then, this lithium negative electrode 4 is fitted into the inner periphery of the separator 3, as shown in FIG. 1(b).
次いて、このリチウム負極４の内周に第１図（ｃ）に示
すように負極集電体５が嵌合され、その上で非水電解液
６が注液される。Next, a negative electrode current collector 5 is fitted onto the inner periphery of the lithium negative electrode 4 as shown in FIG. 1(c), and a non-aqueous electrolyte 6 is poured thereon.
集電体５は、厚さ０１１５關、開孔率的４０９６のステ
ンレスなどのバンチトメタルを第２図に示すように円筒
形に丸めたもので、その上部側の径は下部側より大きく
、テーパー形状となっており、この形状を保持しながら
リチウム負極４の内面の一定深さまで装填した後、その
円筒形の形状規制を解除することでスプリングバックが
生じ、一定の径まで拡がり、負極端子部８に先だってケ
ース２の上部開口に嵌め付けられた封口ガスケット７の
内周部で拡開が規制される。The current collector 5 is made of a bunched metal such as stainless steel with a thickness of 0115 mm and a porosity of 4096 mm, rolled into a cylindrical shape as shown in FIG. After loading the lithium negative electrode 4 to a certain depth while maintaining this shape, the restriction on the cylindrical shape is released, causing springback, which expands to a certain diameter, and the negative electrode terminal part 8 Prior to this, expansion is restricted by the inner peripheral portion of the sealing gasket 7 fitted into the upper opening of the case 2.
また、この集電体５の高さは、ケース２の開口直下に至
る高さであり、注液後に第１図（ｄ）に示すように、封
口ガスケット７の内側に皿状の負極端子部８を嵌め付け
ると、負極端子部８の固定位置はケース２の上部周縁に
形成されたカール加工部２ｂによって規制され、集電体
５の上端縁は負極端子部８の下面周囲に圧接し、電気的
導通を確実に得られることになる。The height of the current collector 5 is such that it reaches just below the opening of the case 2, and after filling the liquid, as shown in FIG. 8, the fixed position of the negative electrode terminal part 8 is regulated by the curled part 2b formed on the upper peripheral edge of the case 2, and the upper edge of the current collector 5 is pressed against the lower surface of the negative electrode terminal part 8, This ensures electrical continuity.
また、この圧接によって集電体５は下部側に強く押圧さ
れ、またその水平分力によってコーン形状の下部側を拡
げる力も働き、集電体５の外周はリチウム負極４の内周
に強く圧着され、リチウム負極４に対しても良好な電気
的接触性を得られることになる。In addition, the current collector 5 is strongly pressed to the lower side by this pressure contact, and the horizontal force also acts to expand the lower part of the cone shape, so that the outer periphery of the current collector 5 is strongly pressed against the inner periphery of the lithium negative electrode 4. , good electrical contact with the lithium negative electrode 4 can also be obtained.
また、この拡開動作によって、リチウム負極４は、その
スリット４ａを拡げつつ下部側に向けて大きく拡がる。Further, due to this expanding operation, the lithium negative electrode 4 expands greatly toward the lower side while expanding its slit 4a.
この結果、リチウム負極４はセパレータ３の内周の下部
側に向けて強く圧接される。As a result, the lithium negative electrode 4 is strongly pressed toward the lower part of the inner circumference of the separator 3.
その後ケース２の上端縁２Ｃを内側にカシメ付ければ、
第１図（ｅ）に示すように電池が完成する。After that, if you caulk the upper edge 2C of the case 2 inward,
The battery is completed as shown in FIG. 1(e).
完成状態で、集電体５の上端縁は負極端子部８の下面に
強く圧接された状態であり、リチウム負極４をセパレー
タ３の内周の定位置に圧着状態に固定するので、正極１
に対する極間距離も小さくなり、リチウム負極の利用率
を向上できる。In the completed state, the upper edge of the current collector 5 is strongly pressed against the lower surface of the negative electrode terminal portion 8, and the lithium negative electrode 4 is fixed in a fixed position on the inner circumference of the separator 3 in a crimped state, so that the positive electrode 1
The distance between the electrodes becomes smaller, and the utilization rate of the lithium negative electrode can be improved.
第３図は、以上の製作手順によって作成したＣＲ１７３
３５形電池と従来の電池１０ケずつを２０℃においてそ
れぞれ５６６にΩの負荷で連続放電し、終止電圧が２．
ＯＶに下がるまでの放電特性を比較したグラフである。Figure 3 shows CR173 made by the above manufacturing procedure.
Ten 35-inch batteries and ten conventional batteries were continuously discharged at 20°C under a load of 566 Ω, and the final voltage was 2.
It is a graph comparing discharge characteristics until the voltage drops to OV.
この結果本発明の製造工程による電池の放電特性の平均
値は３６２０時間であり、従来の平均値である３３６０
時間を大巾に上回っており、偏差も小さく、均質な放電
特性となっていることを確認した。As a result, the average value of the discharge characteristics of the battery produced by the manufacturing process of the present invention was 3620 hours, compared to the conventional average value of 3360 hours.
It was confirmed that the discharge characteristics were homogeneous, with the deviation being small and exceeding the time by a wide margin.
（発明の効果）
以上実施例によって詳細に説明したように、この発明に
よる筒形非水電解液電池の製造方法にあっては、負極内
部に嵌合された負極集電体の上端が負極端子部のカシメ
付は工程で押圧される結果、電気的接続を確保できるの
で、スポット溶接工程を省略でき、工数の削減と、溶接
不良を原因とする歩留まり低下を未然に防止できる。(Effects of the Invention) As explained in detail through the examples above, in the method for manufacturing a cylindrical non-aqueous electrolyte battery according to the present invention, the upper end of the negative electrode current collector fitted inside the negative electrode is connected to the negative electrode terminal. The caulking of the parts ensures electrical connection as a result of being pressed during the process, so the spot welding process can be omitted, reducing the number of man-hours and preventing a drop in yield due to poor welding.
また、圧接によって集電体はその径を拡げ、負極に対す
る密着性を確保し、負極自体も押し拡げられ、セパレー
タを介して正極側に押し付けられ、定位置に固定される
ため、極間距離が短くなり、放電末期まで有効に負極を
利用でき、放電性能が向上すると同時に、性能のバラツ
キも小さくなり、均質な製品を得られることになる。In addition, the diameter of the current collector is expanded by pressure welding to ensure adhesion to the negative electrode, and the negative electrode itself is also pushed out and pressed against the positive electrode through the separator and fixed in place, so the distance between the electrodes can be reduced. This makes it possible to effectively utilize the negative electrode until the final stage of discharge, improving discharge performance and reducing variations in performance, resulting in a homogeneous product.
第１図（ａ）〜（ｅ）はこの発明による非水電解液電池
の製作手順を示す半断面説明図、第２図はリチウム負極
および負極集電体の形状を示す説明図、第３図は本発明
と従来の電池の放電特性を比較したグラフである。
１・・・正極
２・・・ケース
３・・・セパレータ
４・・・リチウム負極
４ａ・・・スリット
５−・・負極集電体
６・・・非水電解液
７・・・封ロガスケッ
８・・・負極端子部
ト1(a) to (e) are explanatory half-sectional views showing the manufacturing procedure of a non-aqueous electrolyte battery according to the present invention; FIG. 2 is an explanatory view showing the shapes of the lithium negative electrode and the negative electrode current collector; and FIG. is a graph comparing the discharge characteristics of a battery of the present invention and a conventional battery. 1... Positive electrode 2... Case 3... Separator 4... Lithium negative electrode 4a... Slit 5-... Negative electrode current collector 6... Non-aqueous electrolyte 7... Sealing gasket 8.・Negative terminal part
Claims (1)
したセパレータを介してケース内に挿入された正極の内
周に装填し、かつ前記円筒状負極と負極端子部とを集電
体を介して電気的に接続する筒形非水電解液電池の製造
方法において、 前記円筒状負極の一部に予め縦方向のスリットを形成し
、この負極の内部に複数の孔部が穿設された板状集電体
を一端側が他端側より径小となるテーパー状に捲回して
、この径小側から前記負極の内部に挿入し、非水電解液
を注入した後に前記負極端子部を封口ガスケットを介し
てケースの上部開口に嵌合してカシメ付けることで前記
集電体の上端を前記負極端子部の底部に圧接することを
特徴とする筒形非水電解液電池の製造方法。(1) A cylindrical negative electrode made of an alkali metal is loaded onto the inner periphery of a positive electrode inserted into a case through a bottomed cylindrical separator, and the cylindrical negative electrode and the negative terminal are connected to a current collector. In the method for manufacturing a cylindrical non-aqueous electrolyte battery that is electrically connected through a cylindrical negative electrode, a vertical slit is formed in advance in a part of the cylindrical negative electrode, and a plurality of holes are bored inside the negative electrode. A plate-shaped current collector is wound into a tapered shape with one end having a smaller diameter than the other end, and is inserted into the negative electrode from this small diameter side, and after injecting a non-aqueous electrolyte, the negative electrode terminal is sealed. A method of manufacturing a cylindrical non-aqueous electrolyte battery, characterized in that the upper end of the current collector is pressed into contact with the bottom of the negative electrode terminal by fitting and caulking into the upper opening of the case via a gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2075521A JPH0770310B2 (en) | 1990-03-27 | 1990-03-27 | Method for manufacturing cylindrical non-aqueous electrolyte battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2075521A JPH0770310B2 (en) | 1990-03-27 | 1990-03-27 | Method for manufacturing cylindrical non-aqueous electrolyte battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03276559A true JPH03276559A (en) | 1991-12-06 |
| JPH0770310B2 JPH0770310B2 (en) | 1995-07-31 |
Family
ID=13578619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2075521A Expired - Lifetime JPH0770310B2 (en) | 1990-03-27 | 1990-03-27 | Method for manufacturing cylindrical non-aqueous electrolyte battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0770310B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05257473A (en) * | 1992-03-16 | 1993-10-08 | Yamaha Corp | Electronic musical instrument provided with automatic playing function |
| JPH0742522U (en) * | 1991-08-18 | 1995-08-04 | ユアンホン チエン | Chemical battery |
| JPH1021938A (en) * | 1996-07-01 | 1998-01-23 | Sanyo Electric Co Ltd | Inside-out type battery |
| JP2000269726A (en) * | 1999-03-18 | 2000-09-29 | Toshiba Corp | Noncontact data carrier antenna magnetic core and noncontact data carrier package using the same |
| WO2013038946A1 (en) * | 2011-09-14 | 2013-03-21 | 株式会社Ｇｓユアサ | Cylindrical battery |
| JP2016058220A (en) * | 2014-09-09 | 2016-04-21 | Fdk株式会社 | Bobbin type lithium primary battery |
| US9548497B2 (en) | 2011-06-10 | 2017-01-17 | Eaglepicher Technologies, Llc | Layered composite current collector with plurality of openings, methods of manufacture thereof, and articles including the same |
| JP2018032522A (en) * | 2016-08-24 | 2018-03-01 | Fdk株式会社 | Cylindrical lithium primary battery, and negative electrode collector for cylindrical lithium primary battery |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4863238A (en) * | 1971-11-26 | 1973-09-03 |
-
1990
- 1990-03-27 JP JP2075521A patent/JPH0770310B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4863238A (en) * | 1971-11-26 | 1973-09-03 |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0742522U (en) * | 1991-08-18 | 1995-08-04 | ユアンホン チエン | Chemical battery |
| JPH05257473A (en) * | 1992-03-16 | 1993-10-08 | Yamaha Corp | Electronic musical instrument provided with automatic playing function |
| JPH1021938A (en) * | 1996-07-01 | 1998-01-23 | Sanyo Electric Co Ltd | Inside-out type battery |
| JP2000269726A (en) * | 1999-03-18 | 2000-09-29 | Toshiba Corp | Noncontact data carrier antenna magnetic core and noncontact data carrier package using the same |
| US9548497B2 (en) | 2011-06-10 | 2017-01-17 | Eaglepicher Technologies, Llc | Layered composite current collector with plurality of openings, methods of manufacture thereof, and articles including the same |
| WO2013038946A1 (en) * | 2011-09-14 | 2013-03-21 | 株式会社Ｇｓユアサ | Cylindrical battery |
| JPWO2013038946A1 (en) * | 2011-09-14 | 2015-03-26 | 株式会社Ｇｓユアサ | Cylindrical battery |
| JP2016058220A (en) * | 2014-09-09 | 2016-04-21 | Fdk株式会社 | Bobbin type lithium primary battery |
| JP2018032522A (en) * | 2016-08-24 | 2018-03-01 | Fdk株式会社 | Cylindrical lithium primary battery, and negative electrode collector for cylindrical lithium primary battery |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0770310B2 (en) | 1995-07-31 |
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