JPS61165955A - Alkaline battery - Google Patents

Alkaline battery

Info

Publication number
JPS61165955A
JPS61165955A JP60005175A JP517585A JPS61165955A JP S61165955 A JPS61165955 A JP S61165955A JP 60005175 A JP60005175 A JP 60005175A JP 517585 A JP517585 A JP 517585A JP S61165955 A JPS61165955 A JP S61165955A
Authority
JP
Japan
Prior art keywords
sealing
impregnated
impregnant
resin
solution
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
Application number
JP60005175A
Other languages
Japanese (ja)
Inventor
Hajime Konishi
始 小西
Seiichi Mizutani
水谷　精一
Tadashi Sawai
忠 澤井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP60005175A priority Critical patent/JPS61165955A/en
Publication of JPS61165955A publication Critical patent/JPS61165955A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0002—Aqueous electrolytes
    • H01M2300/0014—Alkaline electrolytes
    • 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cell Separators (AREA)
  • Primary Cells (AREA)

Abstract

PURPOSE:To prevent an electrolytic solution from being absorbed in impregnant material between the coupling and sealing of positive and negative electrodes and also prevent the leak of the solution at sealing by impregnating the electrolytic solution impregnant material, interposed between the negative electrode and a separator, with resin. CONSTITUTION:Impregnant material 4 is formed by dissolving sulfonated polyethylene and such in toluene and such, allowing unwoven fabric such as mercerized pulp to pass through the solution, and drying it. In addition, an alkaline battery such as a silver oxide battery is formed by interposing the impregnant material between a negative electrode 5 that is mainly made of amalgamated zinc and a separator 3 and combining it with a positive electrode 2 in which Ag2O and carbon are mixed and such. As a result, since the impregnant material 4 is impregnated with resin, the leak of the solution at sealing and the disconnection of the impregnant material 4 caused by the fact that the impregnant 4 is impregnated with an electrolytic solution between the coupling and sealing of the positive and negative electrodes can be removed and the internal resistance after aging can be improved.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、アルカリ電池の改良に関するものである。[Detailed description of the invention] Industrial applications The present invention relates to improvements in alkaline batteries.

従来の技術 従来、この種のアルカリ電池は第３図に示すような構成
であった。第３図において、４は含浸材であり、負極と
セパレータとの間に存在し、負極の反応界面にできるだ
け多くの液を保持することを目的としている。BACKGROUND OF THE INVENTION Conventionally, this type of alkaline battery has had a structure as shown in FIG. In FIG. 3, 4 is an impregnating material, which exists between the negative electrode and the separator, and whose purpose is to retain as much liquid as possible at the reaction interface of the negative electrode.

発明が解決しようとする問題点 このような構成では、正極部と負極部をカップリングし
たのち、封口全行なっていたが、カップリング後に含浸
材に電解液が吸収される為に発生する封口時の漏液、あ
るいは電解液の吸収により含浸材がやわらかくなる為に
発生する、封ロガスケノドに当接する含浸材の環状亀裂
があった。また、テフロンなどの撥水性に浸れた７−ト
などを使用すれば上記の問題は解決されるが電池の内部
抵抗が増大するという問題があった。Problems to be Solved by the Invention In this configuration, the entire sealing process is performed after coupling the positive electrode part and the negative electrode part. There was an annular crack in the impregnated material that was in contact with the sealing gas nodule, which was caused by the impregnated material becoming soft due to leakage or absorption of electrolyte. Further, the above-mentioned problem can be solved by using a water-repellent material such as Teflon, but there is a problem in that the internal resistance of the battery increases.

本発明はこのような問題点を解決するもので、正極部と
負極部をカップリング後、封口されるまでの間に含浸材
に電解液が吸収されるのを防止し。The present invention solves these problems by preventing the electrolyte from being absorbed into the impregnating material after the positive and negative electrode parts are coupled and before they are sealed.

封口時の漏液あるいは含浸材の切断を防止することを目
的とするものである。The purpose is to prevent liquid leakage or cutting of the impregnated material during sealing.

問題点を解決するための手段 この問題点を解決するために本発明は、電解液含浸材に
あらかじめ樹・脂を含浸させて、電池を構成するもので
ある。Means for Solving the Problem In order to solve this problem, the present invention constructs a battery by impregnating an electrolyte-impregnated material with resin in advance.

作　　用 この構成によれば、含浸材に樹脂が含浸されている為に
、正悌部と負極部のカップリング後から封口までの間に
含浸材に電解液か吸収されず、対日時の漏液あるいは含
浸材の亀裂を防止することか可能と々る。また、含浸材
に樹脂を含浸させることによる電池の内部抵抗に及ぼす
影響は、電池組立直後は従来構成に比べて大きいものの
、エージング後には差がない。さらに、電解液含浸材に
樹脂を含浸させると言う。工程が追加されるのみであり
、その他の工程は従来どうりである為に、工程の追加に
よる大幅な設備費あるいはコストの増加がない。Function: According to this configuration, since the impregnated material is impregnated with resin, the electrolyte is not absorbed by the impregnated material between the coupling of the positive electrode part and the negative electrode part until the sealing, thereby preventing leakage during the time. It is possible to prevent cracks in the liquid or impregnated material. Furthermore, although the effect of impregnating the impregnating material with resin on the internal resistance of the battery is greater than that of the conventional configuration immediately after battery assembly, there is no difference after aging. Furthermore, it is said that the electrolyte-impregnated material is impregnated with a resin. Since only one step is added, and the other steps remain the same as before, there is no significant increase in equipment costs or costs due to the addition of a step.

実殉列 第１図は本発明の一実施例によるアルカリ電池の構成図
であり、電池形状は従来例を示した第３図とまったく同
一である。図において、１は鉄にＮ１メッキを行なった
正極ケース、２はＡｑ２ｏとカーボンとを混合し成型し
た正極合剤、３はセパレータ、４はマーセル化パルプの
不織布に樹脂としてスルフォン化ポリエチレンを含浸さ
せた含浸材である。樹脂の含浸方法としては、トルエン
にスルフォン化ポリエチレンを溶解させ、その溶液中に
マーセル化パルプの不戦布を通過させ、乾燥させること
によって形成した。５は汞化亜鉛の負極活物質に増粘剤
としてＣＭＣ，、電解液としてＮａＯＨを加えたもので
ある。６はＮｉ−ステンレス鋼−Ｃｕの三層クラツド板
を使用した封口板、７は封口パッキングである。また、
第２図は第１図の八で示した部分の含浸材の主体である
パルプ４ａに付層した樹脂４ｂの状８を拡大して示した
ものである。FIG. 1 is a block diagram of an alkaline battery according to an embodiment of the present invention, and the shape of the battery is exactly the same as that of FIG. 3 showing a conventional example. In the figure, 1 is a positive electrode case made of iron plated with N1, 2 is a positive electrode mixture formed by mixing Aq2o and carbon, 3 is a separator, and 4 is a nonwoven fabric of mercerized pulp impregnated with sulfonated polyethylene as a resin. It is an impregnated material. The method for impregnating the resin was to dissolve sulfonated polyethylene in toluene, pass a piece of mercerized pulp through the solution, and dry it. No. 5 was prepared by adding CMC as a thickener and NaOH as an electrolyte to the negative electrode active material of zinc chloride. 6 is a sealing plate using a three-layer clad plate of Ni-stainless steel-Cu, and 7 is a sealing packing. Also,
FIG. 2 is an enlarged view of the shape 8 of the resin 4b layered on the pulp 4a, which is the main impregnating material, in the area indicated by 8 in FIG.

なお、この例では、含浸材としてマーセル化パルプの不
織布を用いたがナイロン、ビニロンｆｘトの不織布ある
いはそれらの混抄紙を用いても同様の効果が得られた。In this example, a nonwoven fabric of mercerized pulp was used as the impregnating material, but the same effect could be obtained by using a nonwoven fabric of nylon, vinylon fx, or a paper mixture thereof.

また、織布によっても同様であった。次に樹脂について
も、本実癩例ではスルフォン化ポリエチレンを用いたが
、ポリアミドなども使用可能であった。また、本冥楕・
例では正極活物質にＡｑ２０を用いた酸ｒヒ銀電池を示
したが、ＭｎＯ□あるいはＨｑｏを用いた電池について
も同様の効果が始められた。The same thing happened with woven fabrics. Next, regarding the resin, sulfonated polyethylene was used in this leprosy example, but polyamide or the like could also be used. Also, Honmei Oval
In the example, an acid-rarsenic battery using Aq20 as the positive electrode active material was shown, but similar effects have been observed for batteries using MnO□ or Hqo.

次に、酸化銀電池５Ｒ９２０ＳＷを用いて一定条件で封
口した場合の漏液及び含浸材の切断、さらに４５Ｃ’で
１６時間エージング後の′電池の内部抵抗について、従
来品と本実楕例品について測定を行なったところ、次表
のとうシであった。Next, we will examine the leakage and cutting of the impregnated material when sealed under certain conditions using a silver oxide battery 5R920SW, and the internal resistance of the battery after aging at 45C for 16 hours for the conventional product and this example. The results of the measurements were as shown in the table below.

■：内部抵抗は６０個を測定した平均値である。■: Internal resistance is the average value of 60 measurements.

また、本発明者らがマーセル化パイプ不織布に含浸させ
るスルフォン化ポリエチレンの童を検討したところ、厚
さ０．１３ｆｆｌｌ１１の不織布において１ｄ当り０．
１〜１．０■が特に良好であることが判った。In addition, when the present inventors investigated the use of sulfonated polyethylene to be impregnated into a mercerized pipe nonwoven fabric, it was found that 0.00% per d in a nonwoven fabric with a thickness of 0.13ffll11.
It was found that a value of 1 to 1.0 is particularly good.

発明の効果 以上の説明から明らかなように、′電解液含浸材に樹脂
を含浸させ、この含浸材を用いた構成の本発明の電池は
、カップリングから封口までの間に含浸材に電解液が吸
収されることによる対日時の漏液、ある込は含浸材の切
断がなく、かつエージング後の内部抵抗が良好であると
いう効果が得られる。Effects of the Invention As is clear from the above explanation, in the battery of the present invention, which is constructed by impregnating an electrolyte-impregnated material with a resin, the electrolyte is impregnated into the impregnation material between coupling and sealing. The effect is that there is no leakage or cutting of the impregnated material due to absorption of water, and the internal resistance after aging is good.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明の一実ｍ［４Ｊにおけるアルカリ電池の
断面図、第２図はその部分拡大断面図、第３図は従来例
におけるアルカリ電池の断面図である。 １・・・・・・正極ケース、２・・・・・・正極、３・
・・・・・セノくレータ、４・・・・・・含浸材、４ａ
・・・・・・パルプ、４ｂ・・・・・・樹脂、５・・・
・・・負極、６・・・・・・封口板、了・・・・・・封
口・々ッキング。FIG. 1 is a sectional view of an alkaline battery according to the present invention, FIG. 2 is a partially enlarged sectional view thereof, and FIG. 3 is a sectional view of a conventional alkaline battery. 1...Positive electrode case, 2...Positive electrode, 3.
・・・・・・Senokurator, 4・・・・・・Impregnating material, 4a
...Pulp, 4b...Resin, 5...
...Negative electrode, 6...Sealing plate, End...Sealing/clacking.

Claims (1)

【特許請求の範囲】[Claims] （１）負極と、正極と、アルカリ電解液を主要構成要素
とするアルカリ電池であって、負極とセパレータとの間
に存在する電解液含浸材に、樹脂を含浸させたことを特
徴とするアルカリ電池。(1) An alkaline battery comprising a negative electrode, a positive electrode, and an alkaline electrolyte as main components, characterized in that the electrolyte-impregnated material present between the negative electrode and the separator is impregnated with a resin. battery.
JP60005175A 1985-01-16 1985-01-16 Alkaline battery Pending JPS61165955A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60005175A JPS61165955A (en) 1985-01-16 1985-01-16 Alkaline battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60005175A JPS61165955A (en) 1985-01-16 1985-01-16 Alkaline battery

Publications (1)

Publication Number Publication Date
JPS61165955A true JPS61165955A (en) 1986-07-26

Family

ID=11603900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60005175A Pending JPS61165955A (en) 1985-01-16 1985-01-16 Alkaline battery

Country Status (1)

Country Link
JP (1) JPS61165955A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0316916A2 (en) * 1987-11-17 1989-05-24 Matsushita Electric Industrial Co., Ltd. Separator material for storage batteries and method for making the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0316916A2 (en) * 1987-11-17 1989-05-24 Matsushita Electric Industrial Co., Ltd. Separator material for storage batteries and method for making the same
US5100723A (en) * 1987-11-17 1992-03-31 Matsushita Electric Industrial Co., Ltd. Separator material for storage batteries

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