JPS63148535A - Separator for enclosed lead storage battery - Google Patents
Separator for enclosed lead storage batteryInfo
- Publication number
- JPS63148535A JPS63148535A JP61293947A JP29394786A JPS63148535A JP S63148535 A JPS63148535 A JP S63148535A JP 61293947 A JP61293947 A JP 61293947A JP 29394786 A JP29394786 A JP 29394786A JP S63148535 A JPS63148535 A JP S63148535A
- Authority
- JP
- Japan
- Prior art keywords
- separator
- nonwoven fabric
- negative electrode
- water
- fabric made
- 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
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 16
- 239000005871 repellent Substances 0.000 claims abstract description 12
- 229920005594 polymer fiber Polymers 0.000 claims abstract description 9
- 239000003365 glass fiber Substances 0.000 claims abstract description 7
- 239000002253 acid Substances 0.000 claims description 8
- 239000007773 negative electrode material Substances 0.000 abstract description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000001257 hydrogen Substances 0.000 abstract description 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 238000007600 charging Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010277 constant-current charging Methods 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- -1 etc. Substances 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 229910000464 lead oxide Inorganic materials 0.000 description 2
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 2
- 229920006254 polymer film Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000882 Ca alloy Inorganic materials 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002265 prevention Effects 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/34—Gastight accumulators
- H01M10/342—Gastight lead accumulators
-
- 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
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
-
- 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
- H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
-
- 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
- H01M2300/0005—Acid electrolytes
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Cell Separators (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明はボータプル機器用として、あるいは防災用とし
て広く用いられている密閉型鉛蓄電池のセパレータに関
するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a separator for a sealed lead-acid battery, which is widely used for voltaic equipment or for disaster prevention.
従来の技術
密閉型鉛蓄電池は、高い経済性と取り扱いの手軽さから
ボータプルＶＴＲ，ポータプルテレビを始めとする、多
くのポータプル機器の電源として用いられている。BACKGROUND OF THE INVENTION Sealed lead-acid batteries are used as power sources for many portable devices such as portable VTRs and portable televisions because of their high cost efficiency and ease of handling.
この種の用法において電源に要求される特性は。What characteristics are required of the power supply for this type of usage?
電池については小形軽量であること、充電については６
０分以内の急速充電が可能であることの２つが主である
。この小形軽量化及び急速充電を実現するために、撥水
性高分子膜を負極板に貼り付けるなどの発明がなされて
きた。Regarding batteries, it must be small and lightweight, and regarding charging, it must be 6.
The two main points are that rapid charging is possible within 0 minutes. In order to realize this reduction in size and weight and rapid charging, inventions such as attaching a water-repellent polymer film to the negative electrode plate have been made.
発明が解決しようとする問題点
このような従来の構成では、撥水性高分子膜をペースト
紙のかわりにして貼り付けるなどの操作が必要であった
。Problems to be Solved by the Invention In such a conventional configuration, operations such as pasting a water-repellent polymer film in place of paste paper were required.
本発明は撥水性高分子繊維の不織布を用いて。The present invention uses a nonwoven fabric of water-repellent polymer fibers.
セパレータを層状に形成することによってその操作を簡
略化し、負極活物質の酸素ガス吸収能力の向上を図り、
急速充電を可能とし、同時に負極活物質量を減少させて
、従来よりも更に小形軽量化を可能にした密閉型鉛蓄電
池を得ることのできるセパレータを提供することを目的
とするものである。By forming the separator in layers, the operation is simplified and the oxygen gas absorption ability of the negative electrode active material is improved.
The object of the present invention is to provide a separator that enables rapid charging and at the same time reduces the amount of negative electrode active material to obtain a sealed lead-acid battery that is smaller and lighter than conventional ones.
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、セパレータとし
て微細ガラス繊維よりなる不織布と、撥水性高分子繊維
よりなる不織布を層状に重ねたものである。Means for Solving the Problem In order to solve this problem, the present invention uses, as a separator, a nonwoven fabric made of fine glass fibers and a nonwoven fabric made of water-repellent polymer fibers stacked in layers.
作 用
負極活物質表面に、セパレータのうちの撥水性高分子繊
維の不織布を存在させることにより、負極板上での酸素
吸収反応を促進することが可能となり、急速定電流充電
時における水素発生を抑制することができる。Function: By providing the water-repellent polymer fiber nonwoven fabric of the separator on the surface of the negative electrode active material, it becomes possible to promote the oxygen absorption reaction on the negative electrode plate, thereby reducing hydrogen generation during rapid constant current charging. Can be suppressed.
前述のように本発明では、密閉型鉛蓄電池の負極活物質
表面にセパレータのうちの撥水性高分子繊維の不織布を
存在させることにより、負極板上での酸素吸収反応を促
進し、負極活物質の重量減を図９ながらも定電流充電の
充放電サイクル寿命の向上を図るものである。As mentioned above, in the present invention, by providing a nonwoven fabric of water-repellent polymer fibers of the separator on the surface of the negative electrode active material of a sealed lead-acid battery, the oxygen absorption reaction on the negative electrode plate is promoted, and the negative electrode active material This aims to improve the charge/discharge cycle life of constant current charging while reducing the weight of the battery.
実施例
以下１本発明の実施例について説明する。正極板として
、Ｐｂ−Ｃａ−５ｎ合金よりなる格子に酸化鉛、水、希
硫酸などを練り合わせたペーストを充填し。EXAMPLE One example of the present invention will be described below. As a positive electrode plate, a paste made by kneading lead oxide, water, dilute sulfuric acid, etc. is filled into a lattice made of a Pb-Ca-5n alloy.
化成した厚さ３．５鰭、長さ５０醪、幅２０Ｉ＋ｌｌ１
１のものを用意した。負極板としては、 Ｐｂ−Ｃａ合
金よりなる格子に酸化鉛、水、希硫酸、硫酸バリウム。Chemically formed fins with a thickness of 3.5 mm, a length of 50 mm, a width of 20 I + 1 l1
I have prepared one. The negative electrode plate contains lead oxide, water, dilute sulfuric acid, and barium sulfate on a lattice made of Pb-Ca alloy.
有機繊維等を練り合わせたペーストを充填し、その表面
にペースト紙をはりつけ、化成した厚で１．６ｍ、長さ
５０＋＋ｍ％幅２０閣のものを用意し、それぞれ２枚と
３枚で組み合わせ、極板間には負極板側に撥水性高分子
繊維が接するように本発明のセパレータを挿入し、電解
液には比重１．３０の希硫酸を用いた。セパレータには
平均繊維径が０．７μｍのガラス繊維よりなる不織布と
４０．５デニールのポリプロピレンの繊維よりなる不織
布を層状に重ねたマットを用いた。セルあたりの正極活
物質量は２５、０ｇ％負極活物質量は２０．５ｇである
。この時の正極活物質と負極活物質の重量比は１ ：０
．８２である。また、比較例として、平均繊維径０．７
μｍのガラス繊維の不織布よりなるセパレータを用い。Fill it with a paste made by kneading organic fibers, etc., paste paste paper on the surface, prepare a chemically formed material with a thickness of 1.6 m, a length of 50++ m%, a width of 20 cm, and combine 2 and 3 sheets respectively to create a super The separator of the present invention was inserted between the plates so that the water-repellent polymer fiber was in contact with the negative electrode plate, and dilute sulfuric acid with a specific gravity of 1.30 was used as the electrolyte. The separator used was a mat made of layers of a nonwoven fabric made of glass fibers with an average fiber diameter of 0.7 μm and a nonwoven fabric made of polypropylene fibers of 40.5 deniers. The amount of positive electrode active material per cell was 25, and the amount of 0g% negative electrode active material was 20.5 g. At this time, the weight ratio of the positive electrode active material and negative electrode active material was 1:0.
．． It is 82. In addition, as a comparative example, the average fiber diameter is 0.7
A separator made of micron glass fiber nonwoven fabric is used.
活物質量を本発明品と同じにした電池（比較例１）と、
平均繊維径０．７μｍのガラス繊維の不織布からなるセ
パレータを用い、正極活物質と負極活物質の重量比を１
：１．２とした電池（比較例２）を試作した。A battery with the same amount of active material as the product of the present invention (Comparative Example 1),
Using a separator made of glass fiber nonwoven fabric with an average fiber diameter of 0.7 μm, the weight ratio of the positive electrode active material and negative electrode active material was set to 1.
:1.2 (Comparative Example 2) was prototyped.
これらの電池は、比較例１を基準とした場合、電圧１２
ｖ％１０時間率容量１．８Ａｈとした。重量は本発明品
は約４２０ｇであるのに対し、比較例２は約４７０ｇで
ある。These batteries have a voltage of 12 when Comparative Example 1 is used as a standard.
The v%10 hourly rate capacity was set at 1.8Ah. The weight of the product of the present invention is approximately 420 g, while that of Comparative Example 2 is approximately 470 g.
これらの電池を１．５Ａ（１ｃＡ）の定電流で１時間充
電し、１６Ωの定抵抗で電池電圧が１０．５Ｖになるま
で連続放電をする充放電サイクルを繰り返し、寿命試験
を行った。These batteries were charged with a constant current of 1.5 A (1 cA) for 1 hour, and a charge/discharge cycle was repeated in which continuous discharge was performed with a constant resistance of 16 Ω until the battery voltage reached 10.5 V, and a life test was conducted.
図にその充放電サイクル寿命を示した。図から明らかな
ように定電流の急速充電時に撥水性繊維の利用により、
サイクル寿命の向上が見られた。The figure shows its charge/discharge cycle life. As is clear from the figure, by using water-repellent fibers during constant current rapid charging,
An improvement in cycle life was observed.
発明の効果
本発明は１以上のように小形軽量で、定電流急速充電の
可能な密閉型鉛蓄電池を提供するものである。Effects of the Invention The present invention provides a sealed lead-acid battery that is small, lightweight, and capable of rapid constant current charging.
本発明の密閉型鉛蓄電池によれば、ニッケルーカドミウ
ム電池に用いられる急速定電流充電器、即ち−ΔＶ方式
の充電器を共用でき、小形軽量、安価な密閉型鉛蓄電池
の提供が可能となる。According to the sealed lead-acid battery of the present invention, a rapid constant current charger used for nickel-cadmium batteries, that is, a -ΔV charger can be shared, making it possible to provide a small, lightweight, and inexpensive sealed lead-acid battery. .
図は各種電池の充放電サイクル寿命特性を示す図である
。
ＯＯ
丈イクル屡（The figure shows the charge/discharge cycle life characteristics of various batteries. OO long cycle (
Claims (1)
よりなる不織布を層状に重ねたことを特徴とする密閉型
鉛蓄電池用セパレータ。A separator for sealed lead-acid batteries characterized by layered non-woven fabric made of ultra-fine glass fibers and non-woven fabric made of water-repellent polymer fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61293947A JPS63148535A (en) | 1986-12-10 | 1986-12-10 | Separator for enclosed lead storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61293947A JPS63148535A (en) | 1986-12-10 | 1986-12-10 | Separator for enclosed lead storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63148535A true JPS63148535A (en) | 1988-06-21 |
Family
ID=17801233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61293947A Pending JPS63148535A (en) | 1986-12-10 | 1986-12-10 | Separator for enclosed lead storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63148535A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999019922A1 (en) * | 1997-10-15 | 1999-04-22 | Amer-Sil S.A. | Glass fibre- reinforced absorbing separator |
-
1986
- 1986-12-10 JP JP61293947A patent/JPS63148535A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999019922A1 (en) * | 1997-10-15 | 1999-04-22 | Amer-Sil S.A. | Glass fibre- reinforced absorbing separator |
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