JPH0766803B2 - Method for manufacturing negative electrode of non-aqueous electrolyte battery - Google Patents
Method for manufacturing negative electrode of non-aqueous electrolyte batteryInfo
- Publication number
- JPH0766803B2 JPH0766803B2 JP62319309A JP31930987A JPH0766803B2 JP H0766803 B2 JPH0766803 B2 JP H0766803B2 JP 62319309 A JP62319309 A JP 62319309A JP 31930987 A JP31930987 A JP 31930987A JP H0766803 B2 JPH0766803 B2 JP H0766803B2
- Authority
- JP
- Japan
- Prior art keywords
- negative electrode
- aqueous electrolyte
- lithium
- electrolyte battery
- inner bottom
- 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.)
- Expired - Fee Related
Links
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
- H01M4/04—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
- H01M4/04—Processes of 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
- 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
-
- 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
- H01M4/043—Processes of manufacture in general involving compressing or compaction
-
- 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
- H01M4/049—Manufacturing of an active layer by chemical means
- H01M4/0495—Chemical alloying
-
- 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
- H01M4/06—Electrodes for primary cells
- H01M4/08—Processes of manufacture
- H01M4/12—Processes of manufacture of consumable metal or alloy electrodes
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Description
【発明の詳細な説明】 イ．産業上の利用分野 本発明は非水電解液電池に係り、特に負極の製造法に関
するものである。Detailed Description of the Invention a. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a non-aqueous electrolyte battery, and more particularly to a method for manufacturing a negative electrode.
ロ．従来の技術 非水電解液電池の負極活物質としては一般的にはリチウ
ムが用いられているが、リチウムは反応性が高く電解液
を分解させるといった問題がある。そこで活性度を落と
すためにリチウム−アルミニウム合金を用いることが提
案されている。B. 2. Description of the Related Art Lithium is generally used as a negative electrode active material for a non-aqueous electrolyte battery, but lithium has a problem that it has high reactivity and decomposes the electrolyte. Therefore, it has been proposed to use a lithium-aluminum alloy to reduce the activity.
ハ．発明が解決しようとする問題点 リチウム−アルミニウム合金よりなる負極を製造する従
来法としては、予じめ最終厚みに調整したリチウム板の
上面にアルミニウム箔を貼付け、リチウムとアルミニウ
ムが一体化された負極を所定寸法に打抜いたのち、これ
を負極缶の内底面に圧着し、ついで非水電解液を注液す
るのであるが、この方法ではリチウム板のみを所定厚み
に調整する加圧圧延工程と、負極缶内底面への圧着工程
とを必要とし製造が煩雑なるものであった。C. Problems to be Solved by the Invention As a conventional method for producing a negative electrode composed of a lithium-aluminum alloy, an aluminum foil is pasted on the upper surface of a lithium plate adjusted to a final final thickness, and a negative electrode in which lithium and aluminum are integrated. After punching to a predetermined size, it is pressure-bonded to the inner bottom surface of the negative electrode can, and then a non-aqueous electrolyte is injected.In this method, a pressure rolling step of adjusting only the lithium plate to a predetermined thickness is performed. However, the manufacturing process is complicated because it requires a step of pressure bonding to the bottom surface of the negative electrode can.
本発明は上記従来法の欠点を解決せんとするものであ
る。The present invention is intended to solve the drawbacks of the above conventional methods.
ニ．問題点を解決するための手段 本発明による負極の製造法は、帯状金属リチウム上面に
アルミニウム箔を配した負極構成体の金属リチウム面側
を負極缶の内底面に配置し、ついで前記負極構成体の上
面より加圧し負極構成体を負極缶の内底面に圧延且つ圧
着して略円形状とし、その後正極を負極構成体のアルミ
ニウム面と対向するように配置し、非水電解液を注液す
ることを要旨とするものである。D. Means for Solving the Problems In the method for producing a negative electrode according to the present invention, a metal lithium surface side of a negative electrode structure having an aluminum foil on a strip-shaped metal lithium upper surface is arranged on an inner bottom surface of a negative electrode can, and then the negative electrode structure is formed. Of the negative electrode can be rolled and pressure-bonded to the inner bottom surface of the negative electrode can to form a substantially circular shape, and then the positive electrode is arranged so as to face the aluminum surface of the negative electrode structure, and the nonaqueous electrolytic solution is injected. This is the summary.
ホ．作用 本発明によれば、帯状金属リチウム上面にアルミニウム
を配した負極構成体のアルミニウム面側からの加圧によ
り、負極構成体の略円形状の調整と、負極缶の内底面へ
の圧着とを同時に行うことができリチウム−アルミニウ
ム合金負極の製造工程の簡略化が計れる。E. Effect According to the present invention, by applying pressure from the aluminum surface side of the negative electrode constituent body in which aluminum is arranged on the upper surface of the strip-shaped metallic lithium, the substantially circular shape of the negative electrode constituent body and the pressure bonding to the inner bottom surface of the negative electrode can are performed. This can be performed simultaneously, and the manufacturing process of the lithium-aluminum alloy negative electrode can be simplified.
又、負極構成体のアルミニウム面側が正極と対向するよ
うに配置されているので、正極対向部分のリチウム−ア
ルミニウム合金負極と正極との反応の活性度を低下させ
ることができるので、安全性の向上も計れる。Further, since the aluminum surface side of the negative electrode structure is arranged so as to face the positive electrode, it is possible to reduce the activity of the reaction between the lithium-aluminum alloy negative electrode and the positive electrode in the positive electrode facing portion, thus improving safety. Can be measured.
ヘ．実施例 以下本発明法の一実施例を第１図乃至第３図に基づき詳
述する。F. EXAMPLE An example of the method of the present invention will be described in detail below with reference to FIGS.
先ず、ベースとなる幅8.0mm、厚み0.90mmの帯状金属リ
チウム板（１）の上面にアルミ箔（２）を載置し仮加圧
して厚み0.85mmの負極構成体（３）を作成する（第１図
参照）。ついでこの負極構成体（３）を8.0mm角に切取
り、得られた負極構成体（３）の細片を負極缶（４）の
内底面の中央に、アルミニウム箔（２）が上方に位置す
る如く配置し、ついで負極構成体（３）の上面より加圧
治具（５）により加圧する（第２図参照）。この加圧工
程により、負極構成体は最終電極形状、即ち略円形に且
厚み0.40mmに調整されると共に、負極缶（４）の内底面
に圧着される（第３図参照）。その後、セパレータを介
して非水電解液を注液することにより、負極構成体の上
面部分にリチウム−アルミニウム合金が生成し負極とし
て使用する。First, an aluminum foil (2) is placed on the upper surface of a strip-shaped metallic lithium plate (1) having a width of 8.0 mm and a thickness of 0.90 mm, which is temporarily pressed to form a negative electrode structure (3) having a thickness of 0.85 mm ( (See FIG. 1). Then, this negative electrode structure (3) was cut into 8.0 mm square, and the strip of the obtained negative electrode structure (3) was placed in the center of the inner bottom surface of the negative electrode can (4) and the aluminum foil (2) was positioned above. Then, the pressure is applied from the upper surface of the negative electrode structure (3) by the pressure jig (5) (see FIG. 2). By this pressurizing step, the negative electrode structure is adjusted to have the final electrode shape, that is, a substantially circular shape and a thickness of 0.40 mm, and is pressed onto the inner bottom surface of the negative electrode can (4) (see FIG. 3). After that, by injecting the non-aqueous electrolytic solution through the separator, a lithium-aluminum alloy is generated on the upper surface portion of the negative electrode constituent body and used as a negative electrode.
尚、正極側については図示していないが、正極缶の内底
面に正極を配して構成され、その後、正負極がセパレー
タを介して対向するように、正負極缶をその周縁部に配
した絶縁パツキングを介して嵌合し、封口して完成電池
とする。Although not shown on the positive electrode side, the positive electrode was arranged on the inner bottom surface of the positive electrode can, and then the positive and negative electrode cans were arranged on the peripheral portion so that the positive and negative electrodes face each other via the separator. Fitted through the insulating packing and sealed to complete the battery.
尚、正極活物質としてはMnO2、CuO、V2O5などの酸化
物、FeS2、CuS、NbSe3などの硫化物・セレン化物、（C
F）ｎ、CuCl2などのハロゲン化物、PbI2などのヨウ化
物、など種々のものを用いることができる。As the positive electrode active material, oxides such as MnO 2 , CuO and V 2 O 5 , sulfides / selenides such as FeS 2 , CuS and NbSe 3 , (C
Various compounds such as F) n, halides such as CuCl 2 and iodides such as PbI 2 can be used.
又、非水電解液としてはプロピレンカーボネート、ｒ−
ブチロラクトン、テトラヒドロフラン、ジメトキシエタ
ン、ジオキソランなどの単独或いは混合溶媒にLiClO4、
LiCl、LiBF4などの溶質を溶解したものが用いられる。Further, as the non-aqueous electrolyte, propylene carbonate, r-
LiClO 4 , alone or in a mixed solvent such as butyrolactone, tetrahydrofuran, dimethoxyethane, dioxolane,
A solution obtained by dissolving a solute such as LiCl or LiBF 4 is used.
ト．発明の効果 上述した如く、本発明によれば、アルミニウム箔を配し
た金属リチウム片よりなる負極構成体を負極缶の内底面
における加圧工程で、負極構成体の最終電極形状の調整
と、負極缶の内底面への圧着とを同時に行うことができ
リチウム−アルミニウム合金負極の製造工程の簡略化が
計れるものであり、その工業的価値は極めて大である。G. EFFECTS OF THE INVENTION As described above, according to the present invention, the final electrode shape of the negative electrode structure is adjusted by applying the negative electrode structure composed of the metal lithium pieces on which the aluminum foil is placed to the inner bottom surface of the negative electrode can in the pressing step. Since the pressure bonding to the inner bottom surface of the can can be performed at the same time, the manufacturing process of the lithium-aluminum alloy negative electrode can be simplified, and its industrial value is extremely large.
第１図乃至第３図は本発明法による製造工程を示す概略
図である。 （１）…金属リチウム、（２）…アルミニウム箔、
（３）…負極構成体、（４）…負極缶、（５）…加圧治
具。1 to 3 are schematic views showing the manufacturing process according to the method of the present invention. (1) ... metallic lithium, (2) ... aluminum foil,
(3) ... Negative electrode structure, (4) ... Negative electrode can, (5) ... Pressurizing jig.
Claims (1)
配した負極構成体の金属リチウム面側を負極缶の内底面
に配置し、ついで前記負極構成体の上面より加圧し負極
構成体の負極缶の内底面に圧延且つ圧着して略円形状と
し、その後正極を負極構成体のアルミニウム面と対向す
るように配置し、非水電解液を注液することを特徴とし
た非水電解液電池の負極の製造法。1. A metal lithium surface side of a negative electrode structure having an aluminum foil on a strip metal lithium upper surface is disposed on the inner bottom surface of the negative electrode can, and then pressure is applied from the upper surface of the negative electrode structure to the negative electrode can of the negative electrode structure. A negative electrode for a non-aqueous electrolyte battery, characterized in that it is rolled and pressure-bonded to the inner bottom surface into a substantially circular shape, and then the positive electrode is arranged so as to face the aluminum surface of the negative electrode constituent, and a non-aqueous electrolytic solution is injected. Manufacturing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62319309A JPH0766803B2 (en) | 1987-12-16 | 1987-12-16 | Method for manufacturing negative electrode of non-aqueous electrolyte battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62319309A JPH0766803B2 (en) | 1987-12-16 | 1987-12-16 | Method for manufacturing negative electrode of non-aqueous electrolyte battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH027361A JPH027361A (en) | 1990-01-11 |
| JPH0766803B2 true JPH0766803B2 (en) | 1995-07-19 |
Family
ID=18108758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62319309A Expired - Fee Related JPH0766803B2 (en) | 1987-12-16 | 1987-12-16 | Method for manufacturing negative electrode of non-aqueous electrolyte battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0766803B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2765222B2 (en) * | 1990-11-19 | 1998-06-11 | 株式会社ユアサコーポレーション | Manufacturing method of lithium battery |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS526445B2 (en) * | 1972-08-31 | 1977-02-22 | ||
| JPS52118220A (en) * | 1976-03-29 | 1977-10-04 | Sanyo Electric Co | Method of making nonnaqueous electrolyte batteries |
| JPS62140360A (en) * | 1985-12-13 | 1987-06-23 | Matsushita Electric Ind Co Ltd | Manufacturing method of organic electrolyte battery |
-
1987
- 1987-12-16 JP JP62319309A patent/JPH0766803B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH027361A (en) | 1990-01-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |