WO2008013328A1 - Electrode for lead storage battery and manufacturing method thereof - Google Patents

Electrode for lead storage battery and manufacturing method thereof Download PDF

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Publication number
WO2008013328A1
WO2008013328A1 PCT/KR2006/002942 KR2006002942W WO2008013328A1 WO 2008013328 A1 WO2008013328 A1 WO 2008013328A1 KR 2006002942 W KR2006002942 W KR 2006002942W WO 2008013328 A1 WO2008013328 A1 WO 2008013328A1
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WO
WIPO (PCT)
Prior art keywords
electrode
lead
storage battery
sulfuric acid
lead powder
Prior art date
Application number
PCT/KR2006/002942
Other languages
French (fr)
Inventor
Gwang Soo Kim
Original Assignee
Kim Kwang Soo
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 Kim Kwang Soo filed Critical Kim Kwang Soo
Priority to PCT/KR2006/002942 priority Critical patent/WO2008013328A1/en
Publication of WO2008013328A1 publication Critical patent/WO2008013328A1/en

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Classifications

    • 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
    • H01M4/14—Electrodes for lead-acid accumulators
    • H01M4/16—Processes of manufacture
    • H01M4/20—Processes of manufacture of pasted electrodes
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/627—Expanders for lead-acid accumulators
    • 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

Definitions

  • the present invention relates to an electrode for lead storage battery and a method for preparing the same. More particularly, it relates to an electrode for lead storage battery prepared by using additional additives in preparation of a paste for electrodes, through the improvement of the paste for electrodes prepared by mixing and kneading lead powder with sulfuric acid in the prior art, and a method for preparing the same.
  • electrodes for lead storage battery has been prepared by applying a lead powder paste formed by mixing and kneading lead alloy excellent corrosion resistance against sulfuric acid with sulfuric acid and lead powder. More particularly, lead powder comprising lead oxide as a main ingredient is kneaded with sulfuric acid to form a lead powder paste (mixing and kneading step) .
  • the lead powder paste is applied on a latticed current collector substrate and cured and dried under predetermined conditions (curing and drying step) .
  • the substrate is dipped in an electrolyte for application of an electric current to form a substrate comprising an active material with electro-chemical activity (chemical conversion step) .
  • the active material in the substrate reacts with sulfuric acid in the electrolyte to form lead sulphate, which forms a thin film on the substrate.
  • the thin film is ultimately separated from the substrate and corroded, causing weakening of electromotive force and increase of internal resistance and thereby, reduction of life span of battery.
  • the present invention has been made to solve the above-mentioned problems occurring in the conventional art, and it is a primary object of the present invention to provide an electrode for lead storage battery by using a specific additive in the preparation of a lead powder paste to prevent the lead powder from reacting with sulfuric acid to form lead sulphate, and a method for manufacturing the same.
  • an electrode for lead storage battery prepared by applying a paste containing lead powder on a substrate, in which the paste is prepared by mixing and kneading 20 to 50 weight parts of an additive mix comprising sodium hydrogen sulphate, antimony, magnesium, aluminium sulphate and diluted sulfuric acid with 100 weight parts of lead powder.
  • the additive mix comprises 10 wt% to 20 wt% of sodium hydrogen sulphate, 12 wt% to 20 wt% of antimony, 15 wt% to 20 wt% of magnesium, 10 wt% to 20 wt% of aluminium sulphate and 10 wt% to 30 wt% of diluted sulfuric acid.
  • the paste is prepared by mixing and kneading 20 to 50 weight parts of an additive mix comprising sodium hydrogen sulphate, antimony, magnesium, aluminium sulphate and diluted sulfuric acid with 100 weight parts of lead powder.
  • the additive mix comprises 10 wt% to 20 wt% of sodium hydrogen sulphate, 12 wt% to 20 wt% of antimony, 15 wt% to 20 wt% of magnesium, 10 wt% to 20 wt% of aluminium sulphate and 10 wt% to 30 wt% of diluted sulfuric acid
  • the electrode for lead storage battery according to the present invention can be shallow charged in a short time. Also, since a thin film is formed to prevent corrosion of the electrode plates and to remove white lead sulphate, thereby extending life span of the storage battery. Further, according to the present invention, the use of sulfuric acid which causes environmental pollution is retrenched and thus, it is possible to prepare an environmentally friendly lead storage battery.
  • FIG. 1 is a graph showing the procedures through which the electrodes according to the example of the present invention and comparative example reach 12 V upon the initial charge
  • FIG. 2 is a cjraph showing the discharge capacity of the electrode according to the example of the present invention when the electrode is repetitively charged and discharged
  • FIG. 3 is a graph showing the discharge capacity of the electrode according to the comparative example when the electrode is repetitively charged and discharged.
  • the method for manufacturing an electrode for lead storage battery according to the present invention comprises the step of applying a paste containing lead powder on a substrate according to the present invention, in which the paste containing lead powder is prepared by mixing and kneading 20 to 50 weight parts of an additive mix comprising sodium hydrogen sulphate, antimony, magnesium, aluminium sulphate and diluted sulfuric acid with
  • the additive mix comprises 10 wt% to 20 wt% of sodium hydrogen sulphate, 12 wt% to 20 wt% of antimony, 15 wt% to 20 wt% of magnesium, 10 wt% to 20 wt% of aluminium sulphate and 10 wt% to 30 wt% of diluted sulfuric acid.
  • the electrode for lead storage battery prepared by applying a paste containing lead powder on a substrate, in which the paste containing lead powder is prepared by mixing and kneading 20 to 50 weight parts of an additive mix comprising sodium hydrogen sulphate, antimony, magnesium, aluminium sulphate and diluted sulfuric acid with 100 weight parts of lead powder.
  • the additive mix comprises 10 wt% to 20 wt% of sodium hydrogen sulphate, 12 wt% to 20 wt% of antimony, 15 wt% to 20 wt% of magnesium, 10 wt% to 20 wt% of aluminium sulphate and 10 wt% to 30 wt% of diluted sulfuric acid.
  • the features of the present invention is the use of an additive mix with reduced acidity comprising sodium hydrogen sulphate, antimony, magnesium, aluminium sulphate and sulfuric acid (diluted sulfuric acid) which have not be used in the prior art.
  • the weight ratio of the lead powder and the additive mix is preferably 20 to 50 weight parts of the additive, based on 100 weight parts of the lead powder. If the weight ratio of the additive mix to the lead powder is less than 20 weight parts, the effect of the additive mix preventing the reduction of the electromotive force is not prominent. If the weight ratio of the additive mix to the lead powder exceeds 50, the conversion coating efficiency is deteriorated.
  • the mixing ratio of the additive mix is, as described above, preferably 10 wt% to 20 wt% of sodium hydrogen sulphate, 12 wt% to 20 wt% of antimony, 15 wt% to 20 wt% of magnesium, 10 wt% to 20 wt% of aluminium sulphate and 10 wt% to 30 wt% of diluted sulfuric acid.
  • this mixing ratio is the experimentally obtained ratio for the optimal result, the present invention is not limited to the above ratio. Even when a small amount of any one component is added, the effect is better than when only sulfuric acid is added. Meanwhile, the sulfuric acid is used as a diluted sulfuric acid, preferably 20% to 60%.
  • sodium hydrogen sulphate is used to form a thin film for prevention of an active material
  • antimony and magnesium are used to increase current efficiency
  • aluminium sulphate is used to remove generated lead sulphate.
  • roles of respective components are not limited to the above-described but are determined by interactions between them, which is not clearly examined. Though the correct reaction mechanism to prove the effect of the present invention obtained by using the foregoing components show is not presented, the completion of the present invention is not hindered.
  • types of the substrate which is usable in the present invention and the preparation method of lead powder and processes performed in various steps for preparing electrodes are not particularly limited.
  • the curing and drying step performed after applying the lead powder paste can be performed by low temperature curing or high temperature curing.
  • an additional additive for increasing the conversion coating efficiency can be added in the conversion coating formation process without departure of the scope of the present invention.
  • the electrode according to the present invention is used in an electrolyte containing the additive mix as specified according to the present invention not in a common sulfuric acid electrolyte, significant effect can be expected.
  • a substrate of lead alloy was prepared. 1 Kg of lead powder prepared according to the baron method was mixed with 0.3 Kg of the additive mix comprising 16 wt% of sodium hydrogen sulphate, 18 wt% of antimony, 16 wt% of magnesium, 20 wt% of aluminium sulphate, and 30 wt% of sulfuric acid (27% diluted sulfuric acid) , followed by kneading to form the lead powder paste. The obtained lead powder paste was applied on the substrate and the substrate was cured at 90 ° C for 3 hours and 30 minutes and dried for 3 days. An electric current was applied through the dried substrate to complete the formation of the electrode.
  • This comparative example was performed by following the same procedures as described in Example 1 to prepare an electrode, except that sulfuric acid was used in stead of the additive mix according to the present invention.
  • FIG. 1 is a graph showing the procedures through which the electrodes according to the example of the present invention and comparative example reach 12 V upon the initial charge. As shown in FIG. 1, the electrode according to the Example needed 34 hours to reach 12V and the electrode according to the Comparative Example needed 72 hours.
  • FIG. 2 is a graph showing the discharge capacity of the electrode according to the example of the present invention when the electrode is repetitively charged and discharged
  • FIG. 3 is a graph showing the discharge capacity of the electrode according to the comparative example when the electrode is repetitively charged and discharged
  • the electrode for lead storage battery according to the present invention can be shallow charged in a short period of time since it has a high current efficiency. Also, a thin film is formed to prevent corrosion of electrode plates and to remove white lead sulphate, thereby extending life span of the storage battery. Further, according to the present invention, the use of sulfuric acid which causes environmental pollution is retrenched and thus, it is possible to prepare an environmentally friendly lead storage battery.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

The present invention relates to an electrode for lead storage battery and a method for preparing the same. The technical features of the present invention is the use of a lead powder paste prepared by mixing and kneading lead powder with an additive mix comprising diluted sulfuric acid, sodium hydrogen sulphate, antimony and aluminium sulphate, unlike the lead powder paste prepared by mixing lead powder with sulfuric acid in the prior art. The electrode for lead storage battery according to the present invention can be shallow charged in a short period of time since it has a high current efficiency. Also, a thin film is formed to prevent corrosion of electrode plates and to remove white lead sulphate, thereby extending life span of the storage battery.

Description

ELECTRODE FOR LEAD STORAGE BATTERY AND MANUFACTURING METHOD
THEREOF
Technical Field
The present invention relates to an electrode for lead storage battery and a method for preparing the same. More particularly, it relates to an electrode for lead storage battery prepared by using additional additives in preparation of a paste for electrodes, through the improvement of the paste for electrodes prepared by mixing and kneading lead powder with sulfuric acid in the prior art, and a method for preparing the same.
Background Art
In the prior art, electrodes for lead storage battery has been prepared by applying a lead powder paste formed by mixing and kneading lead alloy excellent corrosion resistance against sulfuric acid with sulfuric acid and lead powder. More particularly, lead powder comprising lead oxide as a main ingredient is kneaded with sulfuric acid to form a lead powder paste (mixing and kneading step) . The lead powder paste is applied on a latticed current collector substrate and cured and dried under predetermined conditions (curing and drying step) . The substrate is dipped in an electrolyte for application of an electric current to form a substrate comprising an active material with electro-chemical activity (chemical conversion step) .
However, in case of the electrode prepared by applying the lead powder paste formed with only sulfuric acid and lead powder, as charge and discharge are repeated, the active material in the substrate reacts with sulfuric acid in the electrolyte to form lead sulphate, which forms a thin film on the substrate. The thin film is ultimately separated from the substrate and corroded, causing weakening of electromotive force and increase of internal resistance and thereby, reduction of life span of battery.
Disclosure of Invention Technical Problem
Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the conventional art, and it is a primary object of the present invention to provide an electrode for lead storage battery by using a specific additive in the preparation of a lead powder paste to prevent the lead powder from reacting with sulfuric acid to form lead sulphate, and a method for manufacturing the same.
Technical Solution
To accomplish the above objects of the present invention, according to the present invention, there is provided an electrode for lead storage battery prepared by applying a paste containing lead powder on a substrate, in which the paste is prepared by mixing and kneading 20 to 50 weight parts of an additive mix comprising sodium hydrogen sulphate, antimony, magnesium, aluminium sulphate and diluted sulfuric acid with 100 weight parts of lead powder. Here, the additive mix comprises 10 wt% to 20 wt% of sodium hydrogen sulphate, 12 wt% to 20 wt% of antimony, 15 wt% to 20 wt% of magnesium, 10 wt% to 20 wt% of aluminium sulphate and 10 wt% to 30 wt% of diluted sulfuric acid.
Also, in the method for manufacturing an electrode for lead storage battery comprising the step of applying a paste containing lead powder on a substrate according to the present invention, the paste is prepared by mixing and kneading 20 to 50 weight parts of an additive mix comprising sodium hydrogen sulphate, antimony, magnesium, aluminium sulphate and diluted sulfuric acid with 100 weight parts of lead powder. Here, the additive mix comprises 10 wt% to 20 wt% of sodium hydrogen sulphate, 12 wt% to 20 wt% of antimony, 15 wt% to 20 wt% of magnesium, 10 wt% to 20 wt% of aluminium sulphate and 10 wt% to 30 wt% of diluted sulfuric acid
Advantageous Effects
The electrode for lead storage battery according to the present invention can be shallow charged in a short time. Also, since a thin film is formed to prevent corrosion of the electrode plates and to remove white lead sulphate, thereby extending life span of the storage battery. Further, according to the present invention, the use of sulfuric acid which causes environmental pollution is retrenched and thus, it is possible to prepare an environmentally friendly lead storage battery.
Description of the Drawings
Further objects and advantages of the invention can be more fully understood from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG. 1 is a graph showing the procedures through which the electrodes according to the example of the present invention and comparative example reach 12 V upon the initial charge; FIG. 2 is a cjraph showing the discharge capacity of the electrode according to the example of the present invention when the electrode is repetitively charged and discharged; and
FIG. 3 is a graph showing the discharge capacity of the electrode according to the comparative example when the electrode is repetitively charged and discharged.
Best Mode
According to the present invention, the method for manufacturing an electrode for lead storage battery according to the present invention comprises the step of applying a paste containing lead powder on a substrate according to the present invention, in which the paste containing lead powder is prepared by mixing and kneading 20 to 50 weight parts of an additive mix comprising sodium hydrogen sulphate, antimony, magnesium, aluminium sulphate and diluted sulfuric acid with
100 weight parts of lead powder.
Here, it is preferred that the additive mix comprises 10 wt% to 20 wt% of sodium hydrogen sulphate, 12 wt% to 20 wt% of antimony, 15 wt% to 20 wt% of magnesium, 10 wt% to 20 wt% of aluminium sulphate and 10 wt% to 30 wt% of diluted sulfuric acid.
Also, according to the present invention, the electrode for lead storage battery prepared by applying a paste containing lead powder on a substrate, in which the paste containing lead powder is prepared by mixing and kneading 20 to 50 weight parts of an additive mix comprising sodium hydrogen sulphate, antimony, magnesium, aluminium sulphate and diluted sulfuric acid with 100 weight parts of lead powder. Here, the additive mix comprises 10 wt% to 20 wt% of sodium hydrogen sulphate, 12 wt% to 20 wt% of antimony, 15 wt% to 20 wt% of magnesium, 10 wt% to 20 wt% of aluminium sulphate and 10 wt% to 30 wt% of diluted sulfuric acid.
As described above, the features of the present invention is the use of an additive mix with reduced acidity comprising sodium hydrogen sulphate, antimony, magnesium, aluminium sulphate and sulfuric acid (diluted sulfuric acid) which have not be used in the prior art.
The weight ratio of the lead powder and the additive mix is preferably 20 to 50 weight parts of the additive, based on 100 weight parts of the lead powder. If the weight ratio of the additive mix to the lead powder is less than 20 weight parts, the effect of the additive mix preventing the reduction of the electromotive force is not prominent. If the weight ratio of the additive mix to the lead powder exceeds 50, the conversion coating efficiency is deteriorated.
Here, the mixing ratio of the additive mix is, as described above, preferably 10 wt% to 20 wt% of sodium hydrogen sulphate, 12 wt% to 20 wt% of antimony, 15 wt% to 20 wt% of magnesium, 10 wt% to 20 wt% of aluminium sulphate and 10 wt% to 30 wt% of diluted sulfuric acid. Though this mixing ratio is the experimentally obtained ratio for the optimal result, the present invention is not limited to the above ratio. Even when a small amount of any one component is added, the effect is better than when only sulfuric acid is added. Meanwhile, the sulfuric acid is used as a diluted sulfuric acid, preferably 20% to 60%.
According to the present invention, sodium hydrogen sulphate is used to form a thin film for prevention of an active material, antimony and magnesium are used to increase current efficiency and aluminium sulphate is used to remove generated lead sulphate. However, it is believed roles of respective components are not limited to the above-described but are determined by interactions between them, which is not clearly examined. Though the correct reaction mechanism to prove the effect of the present invention obtained by using the foregoing components show is not presented, the completion of the present invention is not hindered.
Meanwhile, types of the substrate which is usable in the present invention and the preparation method of lead powder and processes performed in various steps for preparing electrodes are not particularly limited. For example, the curing and drying step performed after applying the lead powder paste can be performed by low temperature curing or high temperature curing. Also, an additional additive for increasing the conversion coating efficiency can be added in the conversion coating formation process without departure of the scope of the present invention. However, when the electrode according to the present invention is used in an electrolyte containing the additive mix as specified according to the present invention not in a common sulfuric acid electrolyte, significant effect can be expected.
Mode for Invention Now, the electrode for lead storage battery and the method for preparing the same according to the present invention are described in detail.
[Example] A substrate of lead alloy was prepared. 1 Kg of lead powder prepared according to the baron method was mixed with 0.3 Kg of the additive mix comprising 16 wt% of sodium hydrogen sulphate, 18 wt% of antimony, 16 wt% of magnesium, 20 wt% of aluminium sulphate, and 30 wt% of sulfuric acid (27% diluted sulfuric acid) , followed by kneading to form the lead powder paste. The obtained lead powder paste was applied on the substrate and the substrate was cured at 90°C for 3 hours and 30 minutes and dried for 3 days. An electric current was applied through the dried substrate to complete the formation of the electrode.
[Comparative Example]
This comparative example was performed by following the same procedures as described in Example 1 to prepare an electrode, except that sulfuric acid was used in stead of the additive mix according to the present invention.
FIG. 1 is a graph showing the procedures through which the electrodes according to the example of the present invention and comparative example reach 12 V upon the initial charge. As shown in FIG. 1, the electrode according to the Example needed 34 hours to reach 12V and the electrode according to the Comparative Example needed 72 hours.
FIG. 2 is a graph showing the discharge capacity of the electrode according to the example of the present invention when the electrode is repetitively charged and discharged FIG. 3 is a graph showing the discharge capacity of the electrode according to the comparative example when the electrode is repetitively charged and discharged
As shown in FIGs. 2 and 3, it was found that the time needed until the voltage dropped under 1.8 V was much longer in the electrode according to the Example. Also, as the number of charge and discharge was increased, the discharge capacity was nearly the same in the Example according to the present invention but it was significantly reduced in the
Comparative Example. This means that the electrode according to the Example was not corroded since lead sulphate was accumulated.
Industrial Applicability
The electrode for lead storage battery according to the present invention can be shallow charged in a short period of time since it has a high current efficiency. Also, a thin film is formed to prevent corrosion of electrode plates and to remove white lead sulphate, thereby extending life span of the storage battery. Further, according to the present invention, the use of sulfuric acid which causes environmental pollution is retrenched and thus, it is possible to prepare an environmentally friendly lead storage battery.
While the present invention has been described with reference to the particular illustrative embodiments, it is not to be restricted by the embodiments but only by the appended claims. It is to be appreciated that those skilled in the art can change or modify the embodiments without departing from the scope and spirit of the present invention.

Claims

1. An electrode for lead storage battery prepared by applying a paste containing lead powder on a substrate, in which the paste is prepared by mixing and kneading 20 to 50 weight parts of an additive mix comprising sodium hydrogen sulphate, antimony, magnesium, aluminium sulphate and diluted sulfuric acid with 100 weight parts of lead powder.
2. The electrode for lead storage battery according to claim 1, wherein the additive mix comprises 10 wt% to 20 wt% of sodium hydrogen sulphate, 12 wt% to 20 wt% of antimony, 15 wt% to 20 wt% of magnesium, 10 wt% to 20 wt% of aluminium sulphate and 10 wt% to 30 wt% of diluted sulfuric acid.
3. A method for manufacturing an electrode for lead storage battery comprising the step of applying a paste containing lead powder on a substrate, in which the paste is prepared by mixing and kneading 20 to 50 weight parts of an additive mix comprising sodium hydrogen sulphate, antimony, magnesium, aluminium sulphate and diluted sulfuric acid with 100 weight parts of lead powder.
4. The method according to claim 3, wherein the additive mix comprises 10 wt% to 20 wt% of sodium hydrogen sulphate, 12 wt% to 20 wt% of antimony, 15 wt% to 20 wt% of magnesium, 10 wt% to 20 wt% of aluminium sulphate and 10 wt% to 30 wt% of diluted sulfuric acid.
PCT/KR2006/002942 2006-07-26 2006-07-26 Electrode for lead storage battery and manufacturing method thereof WO2008013328A1 (en)

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PCT/KR2006/002942 WO2008013328A1 (en) 2006-07-26 2006-07-26 Electrode for lead storage battery and manufacturing method thereof

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Application Number Priority Date Filing Date Title
PCT/KR2006/002942 WO2008013328A1 (en) 2006-07-26 2006-07-26 Electrode for lead storage battery and manufacturing method thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102867942A (en) * 2012-09-29 2013-01-09 浙江南都电源动力股份有限公司 Preparation process for cathode of lead-charcoal superbattery
CN109273716A (en) * 2018-08-16 2019-01-25 天能电池集团有限公司 A kind of long-life lead storage battery and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62256374A (en) * 1986-04-30 1987-11-09 Japan Storage Battery Co Ltd High power lead-acid battery
US5128218A (en) * 1990-02-15 1992-07-07 Japan Storage Battery Co., Ltd. Sealed lead-acid battery
US5660949A (en) * 1996-05-07 1997-08-26 Valany Import Export, Inc. Battery electrolyte additive
KR100608290B1 (en) * 2005-02-24 2006-08-08 김광수 Electrode for lead storage battery and manufacturing method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62256374A (en) * 1986-04-30 1987-11-09 Japan Storage Battery Co Ltd High power lead-acid battery
US5128218A (en) * 1990-02-15 1992-07-07 Japan Storage Battery Co., Ltd. Sealed lead-acid battery
US5660949A (en) * 1996-05-07 1997-08-26 Valany Import Export, Inc. Battery electrolyte additive
KR100608290B1 (en) * 2005-02-24 2006-08-08 김광수 Electrode for lead storage battery and manufacturing method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102867942A (en) * 2012-09-29 2013-01-09 浙江南都电源动力股份有限公司 Preparation process for cathode of lead-charcoal superbattery
CN109273716A (en) * 2018-08-16 2019-01-25 天能电池集团有限公司 A kind of long-life lead storage battery and preparation method thereof
WO2020034486A1 (en) * 2018-08-16 2020-02-20 天能电池集团有限公司 Long-life lead storage battery and preparation method therefor
CN109273716B (en) * 2018-08-16 2020-04-03 天能电池集团股份有限公司 Long-life lead storage battery and preparation method thereof

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