JPH0588514B2 - - Google Patents
Info
- Publication number
- JPH0588514B2 JPH0588514B2 JP21218084A JP21218084A JPH0588514B2 JP H0588514 B2 JPH0588514 B2 JP H0588514B2 JP 21218084 A JP21218084 A JP 21218084A JP 21218084 A JP21218084 A JP 21218084A JP H0588514 B2 JPH0588514 B2 JP H0588514B2
- Authority
- JP
- Japan
- Prior art keywords
- battery
- negative electrode
- lithium
- polyethylene
- aqueous electrolyte
- 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 - Lifetime
Links
- 229910052744 lithium Inorganic materials 0.000 claims description 13
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000011255 nonaqueous electrolyte Substances 0.000 claims description 10
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 239000011149 active material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 description 8
- 239000012298 atmosphere Substances 0.000 description 6
- 239000011247 coating layer Substances 0.000 description 6
- -1 polyethylene Polymers 0.000 description 5
- 239000012300 argon atmosphere Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 description 1
- 229910001486 lithium perchlorate Inorganic materials 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 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
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/14—Cells with non-aqueous electrolyte
- H01M6/16—Cells with non-aqueous electrolyte with organic electrolyte
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Primary Cells (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
本発明はリチウム、ナトリウムなどの軽金属を
活物質とする負極と、金属の酸化物、硫化物、ハ
ロゲン化物などの活物質とする正極と、非水電解
液とを備えた電池に係り、特に電池の製造法に関
するものである。[Detailed description of the invention] (a) Industrial application field The present invention provides a negative electrode using a light metal such as lithium or sodium as an active material, and a positive electrode using a metal oxide, sulfide, or halide as an active material. The present invention relates to a battery equipped with a non-aqueous electrolyte, and particularly relates to a method for manufacturing the battery.
(ロ) 従来の技術
この種電池においては負極活物質として用いる
リチウム、ナトリウムなどの軽金属が大気中の水
分や酸素などにより表面酸化をうけやすいため、
軽金属の加工や電池組立をアルゴンなどの不活性
ガス雰囲気で行う必要があり、そのため設備費が
高くつき、又作業能率も悪いものであつた。(b) Conventional technology In this type of battery, light metals such as lithium and sodium used as negative electrode active materials are susceptible to surface oxidation due to moisture and oxygen in the atmosphere.
Processing of light metals and battery assembly had to be carried out in an inert gas atmosphere such as argon, which resulted in high equipment costs and poor work efficiency.
そこで、例えば特公昭51−39343号公報に開示
されているように軽金属の加工及び電池組立を非
水電解液中で行うことが提案されているが液体中
での作業であるため作業の煩雑さは否めない。 Therefore, for example, as disclosed in Japanese Patent Publication No. 51-39343, it has been proposed to process light metals and assemble batteries in a non-aqueous electrolyte, but since the work is done in liquid, the work is complicated. I can't deny it.
(ハ) 発明が解決しようとする問題点
本発明はこの種電池の組立を乾燥した大気中程
度の雰囲気下で行うことを可能として、設備費の
削減を計ると共に作業能率を高め生産性の向上を
計ることを第１の目的とする。更に従来のように
合成樹脂の不織布或いはフイルムの如きセパレー
タを予じめ準備することなく電池組立段階でセパ
レータ部材が生成するようにして部品点数を削減
し電池コストの低減を計ることを第２の目的とす
る。(c) Problems to be Solved by the Invention The present invention makes it possible to assemble this type of battery in a dry, moderate atmosphere, thereby reducing equipment costs and increasing work efficiency and productivity. The primary purpose is to measure the Furthermore, the second objective is to reduce the number of parts and reduce battery costs by creating separator members at the battery assembly stage without preparing separators such as synthetic resin non-woven fabrics or films in advance as in the past. purpose.
(ニ) 問題点を解決するための手段
本発明はリチウム、ナトリウムなどの軽金属の
表面にポリエチレン−ポリエチレンオキサイド混
合物を塗布した後、電池組立を行うことを特徴と
するものである。(d) Means for Solving the Problems The present invention is characterized in that a battery is assembled after applying a polyethylene-polyethylene oxide mixture to the surface of a light metal such as lithium or sodium.
(ホ) 作用
本発明によれば、軽金属の表面にポリエチレン
−ポリエチレンオキサイド混合物が塗布されてい
るため、この塗布層によつて水分や酸素との接触
を抑制することができる。従つて乾燥した大気中
程度の雰囲気のにおいても軽金属を劣化させるこ
となく取扱うことが可能となる。(E) Effect According to the present invention, since the polyethylene-polyethylene oxide mixture is coated on the surface of the light metal, contact with moisture and oxygen can be suppressed by this coated layer. Therefore, it is possible to handle light metals without deteriorating them even in a dry, moderate atmosphere.
又、電池組立工程において、上記の如く表面に
塗布層を設けた軽金属を、非水電解液を構成する
有機溶媒と接触させると塗布層中のポリエチレン
オキサイドは溶媒中に溶出し、一方ポリエチレン
の層のみ残存しこのポリエチレンの層が電池のセ
パレータとして作用する。 Furthermore, in the battery assembly process, when a light metal with a coating layer on its surface as described above is brought into contact with an organic solvent constituting a non-aqueous electrolyte, the polyethylene oxide in the coating layer dissolves into the solvent, while the polyethylene layer dissolves into the solvent. This layer of polyethylene remains and acts as a separator for the battery.
(ヘ) 実施例
以下本発明の実施例について第１図に基づき説
明する。(F) Examples Examples of the present invention will be described below with reference to FIG.
負極の作製：
アルゴン雰囲気Ａ中において、リチウム板を厚
み1.0mmに圧延した後、その表面にポリエチレン
−ポリエチレンオキサイド（重量比１：１）のゲ
ル状の混合物を塗布し厚み約0.1mmの塗布層２を
形成する。ついでこのリチウム圧延板を直径20.0
mmに打抜いた後、周縁に絶縁パツキング４を配設
させる負極缶３の内底面に負極集電体５を介し
て、塗布層が存在しない側が内底面側となるよう
にリチウム圧延板を圧着して負極１とする。Preparation of negative electrode: After rolling a lithium plate to a thickness of 1.0 mm in argon atmosphere A, a gel-like mixture of polyethylene-polyethylene oxide (weight ratio 1:1) is applied to the surface of the plate to form a coating layer approximately 0.1 mm thick. form 2. Next, this lithium rolled plate was made into a diameter of 20.0 mm.
After punching out a lithium sheet into a diameter of mm, a rolled lithium plate is crimped onto the inner bottom surface of the negative electrode can 3 on which the insulating packing 4 is arranged around the periphery, with the negative electrode current collector 5 interposed therebetween, such that the side without the coating layer is the inner bottom surface side. This is used as negative electrode 1.
電池の組立：
乾燥した大気Ｂにおいて、前記負極上に所定量
の非水電解液６を注入する。ここで非水電解液は
プロピレンカーボネートと1.2ジメトキシエタン
との等体積混合溶媒に過塩素酸リチウムを１モ
ル／溶解したものである。その後正極７及び内
底面に正極集電体８を固着した正極缶９を装着し
正極缶の開口縁を絶縁パツキングに締着して直径
25.0mm、厚み2.8mmのボタン型非水電解液を得る。
この電池をＸとする。尚、正極は350〜430℃の温
度で熱処理した二酸化マンガンを活物質とし、こ
の活物質に導電剤としてのグラフアイト及び結着
剤としてのフツ素樹脂を85：10：５の重量比で混
合したのち、この混合物を直径20.0mm、厚み1.2
mmに加圧成型し、ついで250〜350℃で真空熱処理
して得たものである。Battery assembly: In a dry atmosphere B, a predetermined amount of non-aqueous electrolyte 6 is injected onto the negative electrode. Here, the non-aqueous electrolyte is one in which 1 mol/mol of lithium perchlorate is dissolved in a mixed solvent of equal volume of propylene carbonate and 1.2 dimethoxyethane. After that, the positive electrode can 9 with the positive electrode current collector 8 fixed to the positive electrode 7 and the inner bottom surface is attached, and the opening edge of the positive electrode can is tightened to the insulating packing.
Obtain a button-shaped non-aqueous electrolyte with a size of 25.0 mm and a thickness of 2.8 mm.
Let this battery be X. The positive electrode uses manganese dioxide heat-treated at a temperature of 350 to 430°C as an active material, and this active material is mixed with graphite as a conductive agent and fluororesin as a binder at a weight ratio of 85:10:5. After that, this mixture was made into a shape with a diameter of 20.0 mm and a thickness of 1.2 mm.
It was obtained by pressure molding to a size of 1.5 mm and then vacuum heat treatment at 250 to 350°C.
次に本発明法により得た電池の優位性を調べる
ために比較電池を作成した。 Next, a comparative battery was prepared in order to examine the superiority of the battery obtained by the method of the present invention.
比較例 １
ポリエチレン−ポリエチレンオキサイド混合物
を塗布しないリチウム負極を用いること、セパレ
ータとしてポリプロピレン不織布を用いること、
及び電池組立をアルゴン雰囲気中で行うことを除
いて本発明の実施例と同様に第１の比較電池Y1
を作成した。Comparative Example 1 Using a lithium negative electrode without applying a polyethylene-polyethylene oxide mixture, using a polypropylene nonwoven fabric as a separator,
and a first comparative battery Y 1 in the same manner as the example of the present invention except that the battery assembly was performed in an argon atmosphere.
It was created.
比較例 ２
ポリエチレン−ポリエチレンオキサイド混合物
を塗布しないリチウム負極を用いること、及びセ
パレータとしてポリプロピレン不織布を用いるこ
とを除いて本発明の実施例と同様に第２の比較電
池Y2を作成した。Comparative Example 2 A second comparative battery Y2 was prepared in the same manner as in the example of the present invention, except that a lithium negative electrode was not coated with a polyethylene-polyethylene oxide mixture, and a polypropylene nonwoven fabric was used as a separator.
第２図はこれら電池の放電特性比較図であり、
25℃における560Ω定負荷放電特性を示す。 Figure 2 is a comparison diagram of the discharge characteristics of these batteries.
Shows 560Ω constant load discharge characteristics at 25℃.
(ト) 発明の効果
第２図より明白なるように、本発明に係る電池
Ｘは第１比較電池Y1と同程度の特性を示し、第
２比較電池Y2に比してはるかに優れた特性を示
している。(g) Effects of the invention As is clear from FIG. 2 , the battery It shows the characteristics.
この理由を考察するに、第１比較電池Y1の場
合には電池組立をアルゴン雰囲気中で行なつてい
るためリチウム負極の劣化がないことに起因して
いると考えられる。但しこの電池の場合には冒頭
で述べたように設備の高騰、作業能率が低いとい
う問題がある。 The reason for this is considered to be that in the case of the first comparative battery Y1 , the battery was assembled in an argon atmosphere, so there was no deterioration of the lithium negative electrode. However, as mentioned at the beginning, this battery has the problems of high equipment costs and low work efficiency.
又、第２比較電池の場合には電池の組立の際に
おけるリチウム負極の劣化が要因と考えられる。 In the case of the second comparative battery, deterioration of the lithium negative electrode during battery assembly is considered to be the cause.
これに対して本発明に係る電池Ｘの場合、リチ
ウム負極の表面をポリエチレン−ポリエチレンオ
キサイド混合物の塗布層が被覆しているため乾燥
した大気中で電池の組立を行なつてもリチウム負
極が劣化しないので優れた電池特性を示すと考え
られ、特に乾燥した大気中での電池組立が可能と
なるため設備費の削減及び作業能率が高められ生
産性の向上を計れる。 On the other hand, in the case of battery Therefore, it is thought to exhibit excellent battery characteristics, and in particular, it is possible to assemble the battery in a dry atmosphere, which reduces equipment costs and increases work efficiency, leading to improved productivity.
又、塗布層が非水電解液と接触するとポリエチ
レンオキサイドが溶出し、残存するポリエチレン
の層がセパレータとして作用するため別途セパレ
ータ部材を必要とすることがなく、依つて部品点
数が削減し、電池コストの低減化を計ることがで
きるものであり、その工業的価値は極めて大であ
る。 In addition, when the coating layer comes into contact with the non-aqueous electrolyte, the polyethylene oxide is eluted and the remaining polyethylene layer acts as a separator, eliminating the need for a separate separator member, reducing the number of parts and reducing battery costs. It is possible to reduce the amount of carbon dioxide, and its industrial value is extremely large.
第１図は本発明による電池の製造工程を示す概
略説明図、第２図は電池の放電特性図である。
１……リチウム負極、２……塗布層、３……負
極缶、４……絶縁パツキング、６……非水電解
液、７……正極、９……正極缶、Ａ……アルゴン
雰囲気域、Ｂ……乾燥した大気域、Ｘ……本発明
に係る電池、Y1，Y2……比較電池。
FIG. 1 is a schematic diagram showing the manufacturing process of a battery according to the present invention, and FIG. 2 is a diagram showing the discharge characteristics of the battery. 1... Lithium negative electrode, 2... Coating layer, 3... Negative electrode can, 4... Insulating packing, 6... Non-aqueous electrolyte, 7... Positive electrode, 9... Positive electrode can, A... Argon atmosphere area, B...Dry atmospheric region, X...Battery according to the present invention, Y1 , Y2 ...Comparative battery.
Claims (1)
とする負極と、正極と、非水電解液とを備える電
池において、前記軽金属の表面にポリエチレンー
ポリエチレンオキサイド混合物を塗布した後、電
池組立を行うことを特徴とする非水電解液電池の
製造法。1. A battery comprising a negative electrode using a light metal such as lithium or sodium as an active material, a positive electrode, and a non-aqueous electrolyte, characterized in that the battery is assembled after applying a polyethylene-polyethylene oxide mixture to the surface of the light metal. A method for manufacturing a non-aqueous electrolyte battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21218084A JPS6191862A (en) | 1984-10-09 | 1984-10-09 | Manufacture of nonaqueous electrolyte battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21218084A JPS6191862A (en) | 1984-10-09 | 1984-10-09 | Manufacture of nonaqueous electrolyte battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6191862A JPS6191862A (en) | 1986-05-09 |
| JPH0588514B2 true JPH0588514B2 (en) | 1993-12-22 |
Family
ID=16618236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21218084A Granted JPS6191862A (en) | 1984-10-09 | 1984-10-09 | Manufacture of nonaqueous electrolyte battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6191862A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5864072A (en) * | 1997-01-09 | 1999-01-26 | Shin-Etsu Chemical Co., Ltd. | Hydrogen storage alloy and method for producing the same |
| JPH11269501A (en) | 1998-03-20 | 1999-10-05 | Shin Etsu Chem Co Ltd | Manufacture of hydrogen occlusion alloy powder, and hydrogen occlusion alloy electrode |
| TWI315344B (en) * | 2005-03-23 | 2009-10-01 | Chih Kang Shih | Hydrogen storage alloy |
-
1984
- 1984-10-09 JP JP21218084A patent/JPS6191862A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6191862A (en) | 1986-05-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1041658B1 (en) | Method for producing nonaqueous gel electrolyte battery | |
| JP2003017041A (en) | Electrode film manufacturing method and battery element including electrode film | |
| JPH06231764A (en) | Button type lithium organic secondary battery and its manufacture | |
| JPH04315775A (en) | Battery | |
| JPH09213348A (en) | Non-aqueous electrolyte battery | |
| JPH0588514B2 (en) | ||
| JPS62216171A (en) | Nonaqueous electrolytic battery | |
| JPH06333565A (en) | Nonaqueous electrolytic battery | |
| JP2584246B2 (en) | Non-aqueous secondary battery | |
| JPH0462764A (en) | Nonaqueous electrolyte cell | |
| JPS6153828B2 (en) | ||
| JP2631998B2 (en) | Manufacturing method of positive electrode for non-aqueous secondary battery | |
| JPS59103277A (en) | Organic electrolyte battery | |
| JP2840357B2 (en) | Non-aqueous electrolyte secondary battery | |
| JP3021478B2 (en) | Non-aqueous secondary battery | |
| JPS62119867A (en) | Manufacture of active material for positive electrode of battery with organic electrolytic solution | |
| JP2846696B2 (en) | Non-aqueous secondary battery | |
| JPS5983354A (en) | Manufacture of organic electrolyte battery | |
| JP2664477B2 (en) | Non-aqueous electrolyte battery | |
| JPH02220358A (en) | Nonaqueous secondary battery | |
| JPS60182664A (en) | Nonaqueous electrolyte battery | |
| JP2698180B2 (en) | Non-aqueous secondary battery | |
| JPH0215568A (en) | Nonaqueous type electrolyte battery | |
| JP2552438B2 (en) | Non-aqueous electrolyte battery | |
| JP2000173656A (en) | Manufacture of nonaqueous secondary battery, and the nonaqueous secondary battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |