JPH02236968A - Lead-acid battery - Google Patents
Lead-acid batteryInfo
- Publication number
- JPH02236968A JPH02236968A JP1058350A JP5835089A JPH02236968A JP H02236968 A JPH02236968 A JP H02236968A JP 1058350 A JP1058350 A JP 1058350A JP 5835089 A JP5835089 A JP 5835089A JP H02236968 A JPH02236968 A JP H02236968A
- Authority
- JP
- Japan
- Prior art keywords
- lead
- battery
- electrolyte
- charging
- acid battery
- 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
- 239000002253 acid Substances 0.000 title claims description 14
- 239000003792 electrolyte Substances 0.000 claims abstract description 10
- 239000004094 surface-active agent Substances 0.000 claims abstract description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- YADSGOSSYOOKMP-UHFFFAOYSA-N dioxolead Chemical compound O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 claims description 4
- 239000007773 negative electrode material Substances 0.000 claims 1
- 239000007774 positive electrode material Substances 0.000 claims 1
- 238000007600 charging Methods 0.000 abstract description 15
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 abstract description 7
- 239000013078 crystal Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000010280 constant potential charging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 241000190020 Zelkova serrata Species 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007800 oxidant agent 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/08—Selection of materials as 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は自動車のエンジン始動用として用いられる鉛蓄
電池、並びにポータブル機器,防災用などに用いられる
密閉型鉛蓄電池等の鉛蓄電池に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to lead-acid batteries such as lead-acid batteries used for starting automobile engines, and sealed lead-acid batteries used for portable equipment, disaster prevention, and the like.
従来の技術
従来この種の鉛蓄電池は使用後,放電状態で長期間放置
されたり、スイッチの切り忘れなどで過放電の状態で放
置されたりすると、内部インピーダンスが高くなる。こ
のような電池を改めて充電しようとすると,電圧制御の
充電方式においては、制御電圧に達しやすく,充電受入
性が悪い。特に短時間充電時にその影響が大きく充電受
入性の向上が望まれていた。BACKGROUND OF THE INVENTION If a lead-acid battery of this kind is left in a discharged state for a long period of time after use, or if it is left in an over-discharged state due to forgetting to turn off the switch, the internal impedance increases. When attempting to charge such a battery again, in a voltage-controlled charging method, the control voltage is easily reached, resulting in poor charge acceptance. This effect is particularly large during short-time charging, and it has been desired to improve charging acceptability.
発明が解決しようとする課題
このよう表従来の構成では,例えばポータブルビデオム
ービー用電池等では、専用充電器で1.6時間から2.
0時間程度で充電完了することが要望されておク%また
過充電防止機構として制御電圧に達した一定時間後など
に、極微小電流に切ク替える回路が備えられているもの
もあり,充電受入性の悪い電池では、完全充電状態にな
らない場合もあった。Problems to be Solved by the Invention With the conventional configuration as described above, for example, batteries for portable video movies can be used for 1.6 to 2.5 hours using a dedicated charger.
There is a demand for charging to be completed in about 0 hours, and some devices are equipped with a circuit that switches to a very small current after a certain period of time after reaching the control voltage as an overcharging prevention mechanism. Batteries with poor receptivity sometimes did not reach a fully charged state.
本発明は,このような問題点を解決するもので、充電器
の改善によらず、電池自身の過放電放置後の充電受入性
の向上をはかり、過放電放置後も短時間で充電完了する
電池を供給するものである。The present invention solves these problems by improving the charging acceptability of the battery itself after being left over-discharged, without improving the charger, so that charging can be completed in a short time even after being left over-discharged. It supplies batteries.
課題を解決するための手段
上記の問題点を解決するために,本発明は鉛蓄■
e
電池内にCnF2n+,CONH(OH2),N (
CH,)3I で表されるパーフルオ町アルキルアミ
ンオキサイドの界面活性剤を含むことを特徴とするもの
である。Means for Solving the Problems In order to solve the above problems, the present invention uses lead acid ■
e CnF2n+, CONH(OH2), N (
It is characterized by containing a perfluoroalkylamine oxide surfactant represented by CH,)3I.
作用
鉛蓄電池においては、放電時に正負極板に硫酸鉛が生成
する。この硫酸鉛はそれ自体に導電性がないぱかクか、
濡れ性も悪いため、充電時の電流密度を非常に小さくす
る。In working lead-acid batteries, lead sulfate is produced on the positive and negative plates during discharge. Is this lead sulfate itself not conductive?
Since the wettability is poor, the current density during charging is made very low.
電池内の硫酸酸性の電解液中でも、二酸化鉛のような強
力な酸化剤の存在下においても比較的安定ナ、パーフル
オロアルキルアミンオキサイドからなる界面活性剤を電
解液中に含む場合、硫酸鉛と電解液の界面張力を下げ、
そのままでは濡れ性の悪い硫酸鉛の結晶間に電解液が入
り込んで、充電時の電流密度を小さくし、過放電放置後
の充電受入性向上に作用する。It is relatively stable even in the sulfuric acid acidic electrolyte in the battery and in the presence of a strong oxidizing agent such as lead dioxide.If the electrolyte contains a surfactant consisting of perfluoroalkylamine oxide, it will react with lead sulfate. Lowers the interfacial tension of the electrolyte,
The electrolytic solution enters between the crystals of lead sulfate, which has poor wettability as it is, reducing the current density during charging and improving charge acceptance after being left overdischarged.
本発明はこれらの構成により、鉛蓄電池内にパーフルオ
ロアルキルアミンオキサイドの界面活性剤を含むことに
より、電解液と硫酸鉛の界面張カを下げるものである。With these configurations, the present invention lowers the interfacial tension between the electrolyte and lead sulfate by including a perfluoroalkylamine oxide surfactant in the lead-acid battery.
すなわち、この作用により、鉛蓄電池の過放電放置後の
充電受入性の向上を計ることが出来る。このため過放電
放置された電池においても、放電直後と同じ充電時間で
充電を完了することが出来る。That is, by this effect, it is possible to improve the charge acceptance of the lead-acid battery after it is left over-discharged. Therefore, even in a battery that has been left over-discharged, charging can be completed in the same charging time as immediately after discharging.
実施例 以下、本発明の実施例について説明する。Example Examples of the present invention will be described below.
正負極板と、微細なガラス繊維からなるセバレータを組
み合わせ、電圧12V,10時間率容量2▲bの密閉型
鉛蓄電池を作成した。電解液には比重1.32の希硫酸
を用いた。電油内にはC,F,1CONH(CH2),
H”(CH3)3I を界面活性剤として電解液にそ
れぞれ1×1”0−5、1X10”−’1X10 、1
×10 ,及び、o.swt%添加した。IWt%添加
しようとしたが溶けなかった。A sealed lead-acid battery with a voltage of 12 V and a 10 hour rate capacity of 2▲b was created by combining positive and negative electrode plates and a separator made of fine glass fiber. Dilute sulfuric acid with a specific gravity of 1.32 was used as the electrolyte. C, F, 1CONH (CH2),
H''(CH3)3I was added to the electrolyte as a surfactant at 1×1''0-5, 1X10''-'1X10, 1, respectively.
×10, and o. swt% was added. I tried to add IWt%, but it did not dissolve.
このようにして作成した電池と、比較のため界面活性剤
を添加しないで作成した電池を用いて過放電放置後の充
電受入性を試験した。最初に0.1C▲にて完全充電を
行ってから試験を行ったが,o−swt%添加のものは
その際に排気口から泡が溢れたので試験を取りやめた。The charge acceptability after overdischarging was tested using the thus prepared battery and, for comparison, a battery prepared without adding a surfactant. First, a test was conducted after fully charging at 0.1 C▲, but the test was canceled because bubbles overflowed from the exhaust port with the one containing o-swt%.
その他のもので25℃にて0.76人相当の定抵抗放電
を24時間行い、その後1ケ月問25℃で放置した後.
14.8V/1.e▲の定電圧定電流方法によク充電し
た時の突入電流と、1.6▲に達するまでの時間を第1
図に示した。この図では、より右下に位置するものが充
電受入性が優れていることになる。A constant resistance discharge equivalent to 0.76 people was performed for 24 hours at 25°C with other items, and then left at 25°C for one month.
14.8V/1. The rush current when charging using the constant voltage constant current method of e▲ and the time it takes to reach 1.6▲ are the first
Shown in the figure. In this figure, those located further to the lower right have better charge acceptance.
第2図はこの充電を2時間で終了した場合の充電電気量
である。FIG. 2 shows the amount of electricity charged when this charging is completed in 2 hours.
第1図.第2図より明らかなようにいずれも添加により
突入電流が高くなり1.6人まで達する時間も短くなっ
ている。突入電流が高<1.6▲に達する時間も早いも
のは充電電気量も太きい。第3e e
図1cc,F,,COMM(OH2)3N (CH3)
3I を1×1owt%添加したものと無添加のもの
の定電圧充電時の電流の変化を示す。Figure 1. As is clear from FIG. 2, the inrush current increases due to the addition of both, and the time required to reach 1.6 people becomes shorter. The faster the inrush current reaches <1.6▲, the larger the amount of electricity charged. 3rd e e Figure 1cc,F,,COMM(OH2)3N (CH3)
The graph shows the change in current during constant voltage charging for the case with 1×1 wt% of 3I added and the case without addition.
また、添加量が少ないとその効果はみられなくなり、ま
たパーフルオロアルキルアミンオキサイドは硫酸には比
較的溶けに<<,溶けるものであっても添加量を増やす
と充電時にガス発生したときにできる泡が消えなくなり
、排気口から溢れるため好ましくない。In addition, if the amount added is small, the effect will not be seen, and even if perfluoroalkylamine oxide is relatively soluble in sulfuric acid, if the amount added is increased, it will form when gas is generated during charging. This is not desirable because the bubbles will not disappear and will overflow from the exhaust port.
発明の効果
以上のように、本発明によれば、過放電放置後の充電受
入性の向上した鉛蓄電池を供給することができる。Effects of the Invention As described above, according to the present invention, it is possible to provide a lead-acid battery with improved charge acceptance after being left over-discharged.
第1図は過放電放置後の突入電流と最大電流に達するま
での時間の関係哩,第2図は界面活性剤の添加量と充電
電気量の関係図、第3図は界面活性剤を添加したものの
定電圧充電時の電流特性図である。
代理人の氏名 弁理士 粟 野 重 孝 ほか1名第
図
amfノLX4Lの9!入j”rt (m.4冫敏
役欅w彪N,iFigure 1 shows the relationship between the inrush current and the time until the maximum current is reached after overdischarging, Figure 2 shows the relationship between the amount of surfactant added and the amount of electricity charged, and Figure 3 shows the relationship between the amount of surfactant added and the amount of electricity charged. FIG. 4 is a current characteristic diagram during constant voltage charging. Name of agent: Patent attorney Shigetaka Awano and one other person Figure 9 of amf no LX4L!入j”rt (m.4 冫MIN role Keyaki w Biao N,i
Claims (2)
電解液に希硫酸を用いる鉛蓄電池において、電池内にC
_nF_2_n_+_1CONH(CH_2)_3N^
■(CH_3)_3I^■で表されるパーフルオロアル
キルアミンオキサイドの界面活性剤を存在させることを
特徴とする鉛蓄電池。(1) Lead dioxide as the positive electrode active material, spongy lead as the negative electrode active material,
In lead-acid batteries that use dilute sulfuric acid as the electrolyte, C
_nF_2_n_+_1CONH(CH_2)_3N^
■A lead-acid battery characterized by the presence of a perfluoroalkylamine oxide surfactant represented by (CH_3)_3I^■.
中に4×10^−^4〜1×10^−^2wt%添加す
ることを特徴とする特許請求の範囲第1項記載の鉛蓄電
池。(2) The lead-acid battery according to claim 1, wherein 4 x 10^-^4 to 1 x 10^-^2 wt% of perfluoroalkylamine oxide is added to the electrolyte.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1058350A JPH02236968A (en) | 1989-03-10 | 1989-03-10 | Lead-acid battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1058350A JPH02236968A (en) | 1989-03-10 | 1989-03-10 | Lead-acid battery |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02236968A true JPH02236968A (en) | 1990-09-19 |
Family
ID=13081869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1058350A Pending JPH02236968A (en) | 1989-03-10 | 1989-03-10 | Lead-acid battery |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02236968A (en) |
-
1989
- 1989-03-10 JP JP1058350A patent/JPH02236968A/en active Pending
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