JPH04341758A - Manufacture of lead storage battery positive pole plate - Google Patents
Manufacture of lead storage battery positive pole plateInfo
- Publication number
- JPH04341758A JPH04341758A JP3111599A JP11159991A JPH04341758A JP H04341758 A JPH04341758 A JP H04341758A JP 3111599 A JP3111599 A JP 3111599A JP 11159991 A JP11159991 A JP 11159991A JP H04341758 A JPH04341758 A JP H04341758A
- Authority
- JP
- Japan
- Prior art keywords
- grid body
- grid
- positive electrode
- electrode plate
- lead
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 238000003860 storage Methods 0.000 title description 2
- 239000011149 active material Substances 0.000 claims abstract description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000002253 acid Substances 0.000 claims description 12
- 239000007864 aqueous solution Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 12
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract description 7
- 239000000314 lubricant Substances 0.000 abstract description 6
- 238000005266 casting Methods 0.000 abstract description 3
- 230000010287 polarization Effects 0.000 abstract description 3
- 238000005520 cutting process Methods 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 239000012670 alkaline solution Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- YADSGOSSYOOKMP-UHFFFAOYSA-N dioxolead Chemical compound O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 description 4
- 239000006082 mold release agent Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002003 electrode paste Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 229910000978 Pb alloy Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は各種電源として広く用い
られている鉛蓄電池の正極板の製造方法に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing positive electrode plates for lead-acid batteries, which are widely used as various power sources.
【０００２】0002
【従来の技術】従来、鉛蓄電池正極板の製造工程におい
ては溶融した鉛合金を鋳型に流しこみ冷却して格子体と
した後、１００℃前後で熱処理を行った後、空気中にて
徐冷し、正極ペーストを塗着した後、熟成，乾燥させて
正極板としていた。[Prior Art] Conventionally, in the manufacturing process of lead-acid battery positive electrode plates, molten lead alloy is poured into a mold, cooled to form a lattice, heat-treated at around 100°C, and then slowly cooled in air. Then, after applying a positive electrode paste, it was aged and dried to form a positive electrode plate.
【０００３】ここで格子体の鋳造工程における離型剤、
及び格子体を規定寸法に切断する時に使用する潤滑剤は
、その後において格子表面上から完全に除去することは
難しく、この状態のまま格子体の熱処理後正極ペースト
が格子体に塗着されていた。[0003] Here, a mold release agent in the process of casting the lattice body,
It is difficult to completely remove the lubricant used when cutting the grid into specified dimensions from the surface of the grid afterward, and the positive electrode paste was applied to the grid after the grid was heat-treated in this state. .
【０００４】0004
【発明が解決しようとする課題】このような従来技術に
よる鉛蓄電池正極板においては格子鋳造工程において使
用された離型剤，潤滑剤等が正極格子と正極活物質面に
存在するため、正極活物質粒子と格子体との密着の度合
いが弱く、さらに離型剤，潤滑剤の分解により蓄電池の
自己放電量が増大するという課題があった。[Problems to be Solved by the Invention] In the positive electrode plate of a lead-acid battery according to the prior art, the mold release agent, lubricant, etc. used in the grid casting process are present on the positive electrode grid and the surface of the positive electrode active material. There was a problem in that the degree of adhesion between the material particles and the grid was weak, and the amount of self-discharge of the storage battery increased due to decomposition of the mold release agent and lubricant.
【０００５】[0005]
【課題を解決するための手段】このような課題を解決す
ることを目的として本発明は、正極板格子体をアルカリ
性水溶液、例えば水酸化ナトリウム水溶液あるいは水酸
化カリウム水溶液中において外部電源により卑に分極さ
せて格子体表面上より水素ガスを発生させた後、これを
水洗，乾燥し、ついでペーストを塗着する鉛蓄電池正極
板の製造方法を提供するものである。[Means for Solving the Problems] In order to solve the above-mentioned problems, the present invention provides a method in which a positive electrode grid is polarized in an alkaline aqueous solution, such as a sodium hydroxide aqueous solution or a potassium hydroxide aqueous solution, by an external power source. The present invention provides a method for producing a positive electrode plate for a lead-acid battery, in which hydrogen gas is generated from the surface of the grid body, which is then washed with water, dried, and then a paste is applied.
【０００６】[0006]
【作用】本発明により、正極格子体上に付着していた離
型剤，潤滑剤等は格子分極時の水素気泡による電解脱脂
により除去されるため、格子と活物質との密着性が向上
する結果、格子体からの活物質の脱落が抑制される。ま
た同時に自己放電が抑制される。[Operation] According to the present invention, mold release agent, lubricant, etc. adhering to the positive electrode lattice body are removed by electrolytic degreasing by hydrogen bubbles during lattice polarization, thus improving the adhesion between the lattice and the active material. As a result, falling of the active material from the lattice is suppressed. At the same time, self-discharge is suppressed.
【０００７】[0007]
【実施例】以下、本発明の実施例を説明する。[Examples] Examples of the present invention will be described below.
【０００８】鉛蓄電池正極格子パネル（２Ａｈ電池用）
と二酸化鉛電極を０．１Ｍ水酸化ナトリウム水溶液中に
浸漬し、正極格子パネルを作用極とし二酸化鉛電極を対
極として外部電源により、正極格子パネル当りの１Ａ／
ｄｍ２の定電流により正極格子パネルを卑へ１０分間分
極させ、格子表面上に水素気泡を発生させた後、水洗，
風乾させた正極格子体を使用して製造した本発明による
極板Ａと、これらの処理を行わない正極格子体を使用し
て従来技術による製造した極板Ｂを８０ｃｍの高さから
極板面を下にしてコンクリート上へ１０回落下させた時
の格子体からの活物質脱落量を測定した結果を図１に示
す。Lead-acid battery positive electrode grid panel (for 2Ah battery)
and lead dioxide electrodes were immersed in a 0.1M sodium hydroxide aqueous solution, and the positive electrode grid panel was used as the working electrode and the lead dioxide electrode was used as the counter electrode.
After polarizing the positive grid panel in the base direction for 10 minutes using a constant current of dm2 to generate hydrogen bubbles on the grid surface, washing with water,
An electrode plate A according to the present invention manufactured using an air-dried positive electrode grid body and an electrode plate B manufactured according to the prior art using a positive electrode grid body without these treatments were examined from a height of 80 cm on the electrode plate surface. Figure 1 shows the results of measuring the amount of active material falling off the grid when the grid was dropped 10 times onto concrete.
【０００９】図１より本発明による極板Ａの方が従来技
術による極板Ｂよりも格子体と活物質との密着性が向上
しているために極板に衝撃など機械的負荷を加えた場合
の格子体からの活物質の脱落が抑制されている。FIG. 1 shows that the electrode plate A according to the present invention has better adhesion between the lattice and the active material than the electrode plate B according to the prior art, so that mechanical loads such as impact are not applied to the electrode plate. In this case, falling of the active material from the lattice is suppressed.
【００１０】次にそれぞれ本発明による極板Ａと従来技
術による極板Ｂを用い、いずれも１２Ｖ２．０Ａｈの電
池を作成した。ここで極板Ａを用いた電池を電池Ａ、極
板Ｂを用いた電池を電池Ｂとし、これら２種の電池を完
全充電状態とした後、４０℃雰囲気中において３０日間
放置した後、２５℃雰囲気中に１日間放置し０．７５Ａ
，定電流、１０．５Ｖ終止の条件で放電を行い、容量残
存率を測定した。これらの結果を図２に示す。図２より
本発明による極板Ａを用いた電池Ａの方が従来の極板Ｂ
を用いた電池Ｂよりも充電放置後の容量残存率が大（自
己放電量が小である）であることを示している。[0010] Next, batteries of 12V and 2.0Ah were made using the electrode plate A according to the present invention and the electrode plate B according to the prior art, respectively. Here, a battery using electrode plate A is called battery A, and a battery using electrode plate B is called battery B. After bringing these two types of batteries into a fully charged state and leaving them in an atmosphere of 40°C for 30 days, 0.75A when left in a ℃ atmosphere for 1 day
, constant current, and 10.5V termination conditions, and the capacity remaining rate was measured. These results are shown in FIG. 2. From FIG. 2, it can be seen that the battery A using the electrode plate A according to the present invention is better than the conventional electrode plate B.
This shows that the capacity remaining rate after being left uncharged is higher (the amount of self-discharge is smaller) than that of battery B using battery B.
【００１１】またここでは記述しなかったが水酸化ナト
リウムのかわりに水酸化カリウムを用いた場合において
も同様の結果が得られた。Although not described here, similar results were obtained when potassium hydroxide was used instead of sodium hydroxide.
【００１２】0012
【発明の効果】本発明によれば正極格子体からの活物質
の脱落を抑制し、かつ自己放電量を抑制することが可能
となる。[Effects of the Invention] According to the present invention, it is possible to suppress the active material from falling off from the positive electrode grid and to suppress the amount of self-discharge.
【図１】本発明による鉛蓄電池正極板と従来技術による
鉛蓄電池正極板を８０ｃｍ上の高さより極板面を下にし
てコンクリート上に１０回落下させた時の極板からの活
物質脱落量を示す図[Figure 1] Amount of active material falling off from the lead-acid battery positive electrode plate when a lead-acid battery positive electrode plate according to the present invention and a lead-acid battery positive electrode plate according to the prior art were dropped onto concrete from a height of 80 cm 10 times with the electrode plate side facing down. Diagram showing
【図２】本発明による鉛蓄電池と従来技術による鉛蓄電
池完全充電状態にした後、４０℃雰囲気中で３０日間放
置した後、２５℃雰囲気中で１日間徐冷させ、０．７５
Ａ，定電流、１０．５Ｖ終止の条件にて容量残存量を測
定した結果を示す図FIG. 2: A lead-acid battery according to the present invention and a lead-acid battery according to the prior art. After being brought to a fully charged state, they were left in a 40°C atmosphere for 30 days, and then slowly cooled in a 25°C atmosphere for 1 day.
A, Diagram showing the results of measuring the remaining capacity under the conditions of constant current and 10.5V termination.
Claims (1)
液中に浸漬し、外部電源によりその格子体を卑電位に分
極させて格子体表面より水素ガスを発生させた後、水洗
，乾燥し、ついで活物質ペーストを塗着する鉛蓄電池正
極板の製造方法。Claim 1: A grid for a positive electrode plate of a lead-acid battery is immersed in an alkaline aqueous solution, the grid is polarized to a base potential using an external power source to generate hydrogen gas from the surface of the grid, and then washed with water and dried; A method for producing a positive electrode plate for a lead-acid battery, in which an active material paste is then applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3111599A JPH04341758A (en) | 1991-05-16 | 1991-05-16 | Manufacture of lead storage battery positive pole plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3111599A JPH04341758A (en) | 1991-05-16 | 1991-05-16 | Manufacture of lead storage battery positive pole plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04341758A true JPH04341758A (en) | 1992-11-27 |
Family
ID=14565444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3111599A Pending JPH04341758A (en) | 1991-05-16 | 1991-05-16 | Manufacture of lead storage battery positive pole plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04341758A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005105349A (en) * | 2003-09-30 | 2005-04-21 | Nippon Mining & Metals Co Ltd | Method for electrolytically refining copper |
| CN111799473A (en) * | 2020-07-29 | 2020-10-20 | 安徽超威电源有限公司 | Pasting method of grid punching for lead-acid storage battery |
| CN112589524A (en) * | 2020-11-06 | 2021-04-02 | 浙江天能动力能源有限公司 | Gravity casting grid cutter self-lubricating and cooling system and gravity casting grid system |
-
1991
- 1991-05-16 JP JP3111599A patent/JPH04341758A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005105349A (en) * | 2003-09-30 | 2005-04-21 | Nippon Mining & Metals Co Ltd | Method for electrolytically refining copper |
| CN111799473A (en) * | 2020-07-29 | 2020-10-20 | 安徽超威电源有限公司 | Pasting method of grid punching for lead-acid storage battery |
| CN112589524A (en) * | 2020-11-06 | 2021-04-02 | 浙江天能动力能源有限公司 | Gravity casting grid cutter self-lubricating and cooling system and gravity casting grid system |
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