WO2007015686A1 - Adjuvant de l'electrolyte et de la pate d'une electrode positive et procede d'amelioration des caracteristiques d'accumulateurs - Google Patents

Adjuvant de l'electrolyte et de la pate d'une electrode positive et procede d'amelioration des caracteristiques d'accumulateurs Download PDF

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Publication number
WO2007015686A1
WO2007015686A1 PCT/UA2006/000011 UA2006000011W WO2007015686A1 WO 2007015686 A1 WO2007015686 A1 WO 2007015686A1 UA 2006000011 W UA2006000011 W UA 2006000011W WO 2007015686 A1 WO2007015686 A1 WO 2007015686A1
Authority
WO
WIPO (PCT)
Prior art keywords
additive
acid
electrolyte
battery
ethylenediamine
Prior art date
Application number
PCT/UA2006/000011
Other languages
English (en)
Russian (ru)
Inventor
Mykola Pavlovych Soldatenko
Vitalii Oleksandrovych Kozhukhovskyi
Vitalii Mykolaievych Soldatenko
Original Assignee
Mykola Pavlovych Soldatenko
Kozhukhovskyi Vitalii Oleksand
Soldatenko Vitalii Mykolaievyc
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 Mykola Pavlovych Soldatenko, Kozhukhovskyi Vitalii Oleksand, Soldatenko Vitalii Mykolaievyc filed Critical Mykola Pavlovych Soldatenko
Priority to EA200800088A priority Critical patent/EA011566B1/ru
Publication of WO2007015686A1 publication Critical patent/WO2007015686A1/fr

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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
    • 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
    • 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
    • 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
    • H01M10/24—Alkaline accumulators
    • 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
    • H01M10/24—Alkaline accumulators
    • H01M10/26—Selection of materials as electrolytes
    • 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
    • H01M4/24—Electrodes for alkaline accumulators
    • 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
    • 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
    • H01M2300/0011—Sulfuric acid-based
    • 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 invention relates to electrical engineering and can be used in the manufacture of chemical current sources, as well as in the manufacture and operation of lead-acid and alkaline batteries.
  • a lead-acid battery contains lattice lead plates lowered into a solution of sulfuric acid with a density of 1, 2-1,29 g / cm (28-38 wt.% H 2 SO 4 ).
  • PbO lead oxide is deposited on the plates, and the plates themselves are separated by non-conductive separators.
  • sulfuric acid the surface of the plates is coated with sparingly soluble lead sulfate PbSO 4 by the reaction:
  • the main processes of wear of lead-acid batteries are:
  • alkaline batteries The main disadvantage of alkaline batteries is the formation of dendrites (tree growths), oxygen evolution and migration, mass transfer of electrodes, swelling during cyclic processes, accompanied by peeling and shedding of the battery materials.
  • dendrites tree growths
  • oxygen evolution and migration oxygen evolution and migration
  • mass transfer of electrodes swelling during cyclic processes
  • swelling during cyclic processes accompanied by peeling and shedding of the battery materials.
  • various additives to the electrolyte and battery electrodes have been proposed.
  • an additive to the electrolyte for the regeneration of a lead-acid battery is known, which is introduced into the sulfate 15 electrolyte, including aluminum, cadmium and magnesium sulfates (see Chinese patent N21332483, MPK H01M10 / 08, H01 M10 / 42, 01/23/2002) .
  • the disadvantages of the known additive are that it increases the concentration of sulfuric acid, which improves the solubility of lead sulfate PbSO 4 , but enhances the corrosion of down conductors and not 20 prevents the active mass of the electrodes from falling off, and the metal formed as a result of the recovery of cadmium ions changes the potential difference between the electrodes of the battery and also enhances corrosion of down conductors.
  • a disadvantage of the known additive is its limited use only for the process of electrode formation, as well as the uneven deposition of the polymer of the aniline structure, which has a relatively low conductivity.
  • the lead acid battery electrolyte additive including aniline or aniline salt of mineral acid, does not active on the electrode, an electrolyte-soluble polydentant ligand and an acid with an activity greater than sulfuric acid partially solves the problems associated with plate sulfation and electrode corrosion, but is a rather complex composition (RF patent 5 Ns 2252468 C2, H01 M10 / 06; H01 M10 / 08, 20.1 1.2004).
  • the downside is that it doesn't reduces the swelling of the active mass of the positive electrode and does not increase its strength, and in an acid battery does not completely eliminate sulfation, which affects the battery life.
  • the disadvantages of the method include the toxicity of compounds 5 of phenol and, in this regard, the problems associated with the implementation of the method and waste disposal.
  • the present invention is the creation of an additive to the electrolyte and paste of the positive electrode of a chemical source of current and a method for improving the electrical and operational characteristics of lead-acid and alkaline batteries, allowing to increase the discharge capacity and service life of chemical current sources, including batteries, both new and and in operation.
  • the task is achieved by a group of inventions, united by 15 single inventive concept.
  • the problem is solved in that the addition to the electrolyte and paste of a positive electrode of a chemical current source includes distilled water and tetrasodium or disodium salt of ethylenediamine-tetraacetic acid in the following 25 ratio of ingredients, wt%: tetrasodium or disodium salt of ethylene diamine-tetraacetic acid 0.05 -99.95; water the rest.
  • the problem is solved by the fact that in the method of improving the electrical and operational characteristics of lead-acid and alkaline batteries, comprising treating the positive electrodes of the battery with a paste with an additive or introducing an additive into an electrolyte, an aqueous solution of ethylenediamine-disodium or disodium salt is taken as an additive tetraacetic acid, moreover, the additive is introduced either into the electrolyte, mainly in charging mode of the battery, or added to the paste during the formation of positive electrodes in an amount of 0.5 - 1, 2 wt.% in terms of salt for a lead-acid battery and 0.1 - 40.0 wt% for alkaline.
  • the electrolyte and the additive for the lead-acid battery are taken in the following ratio of ingredients, wt.%: Concentrated sulfuric acid 28-38; tetrasodium or disodium salt of ethylenediamine-tetraacetic acid 0.7-0.8; distilled water the rest.
  • S A electrolyte and an additive for an alkaline battery are taken in the following ratio of ingredients, wt.%: alkali metal hydroxide 0.5-30.0; tetrasodium or disodium salt of ethylenediamine-tetraacetic acid 0.1-4.0; distilled water the rest.
  • the totality of the proposed features makes it possible to completely prevent (and not partially, as in the analogs) the sliding, shedding and washing out of the active mass of the positive electrodes of the batteries, and, in addition, to completely eliminate sulfation of the plates in a lead-acid battery.
  • the preparation of an additive to the electrolyte and paste of a positive electrode of a chemical current source is carried out by mixing distilled water and tetrasodium or disodium salt of ethylenediamine-tetraacetic acid in the following ratio of ingredients, wt%: tetrasodium salt of ethylenediamine-tetraacetic acid or disodium salt of ethylene diamine-tetraacetic acid 0,0 95.5; distilled water the rest.
  • Example 1 The additive to the paste of the positive electrode of a chemical current source of small capacity contains wt.%: Tetrasodium or disodium salt of ethylenediamine-tetraacetic acid 0.05; distilled water 99.95.
  • Example 2 The additive to the electrolyte and paste of the positive electrode of a lead-acid battery contains wt.%: Tetrasodium or disodium salt of ethylenediamine-tetraacetic acid 50.0; distilled water 50.0.
  • Example 3 The additive to the electrolyte and paste of the positive electrode of an alkaline battery contains wt.%: Tetrasodium or disodium salt of ethylenediamine-tetraacetic acid 2.0; distilled water 98.0.
  • the method is as follows.
  • Electrolyte is poured into the battery. Then the battery is connected to the charger and the estimated amount of additive is introduced.
  • the estimated amount of additive can be introduced into the paste in the manufacture of positive electrodes of the battery. In this case, the introduction of an additive to the electrolyte is not performed.
  • Table 1 The electrolyte compositions for the lead-acid battery.
  • the proposed additive to the electrolyte or paste of the positive electrode and the method can be used both in the manufacture of new batteries and to improve the performance of batteries in use.
  • the additive is introduced into the electrolyte once for the entire life of the battery.

Landscapes

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

Abstract

La présente invention relève du domaine de l'industrie électrotechnique et peut être utilisée pour produire et faire fonctionner des accumulateurs au plomb et alcalins. Cette invention permet d'éliminer la sulfatation, le glissement et la chute de masse active dans des accumulateurs au plomb et vise à éliminer la formation de dendrites dans des accumulateurs alcalins tout en réduisant le décollement et la chute des matériaux. L'adjuvant de l'électrolyte et de la pâte d'une électrode positive de cette invention comprend une eau distillée et un sel tétrasodique ou disodique d'acide éthylènediaminetétraacétique, la teneur en acide du mélange étant comprise entre 0,05 et 99,95 % en masse. L'adjuvant peut être introduit dans l'électrolyte principalement pendant un mode de charge d'une batterie d'accumulateurs.
PCT/UA2006/000011 2005-08-02 2006-03-15 Adjuvant de l'electrolyte et de la pate d'une electrode positive et procede d'amelioration des caracteristiques d'accumulateurs WO2007015686A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EA200800088A EA011566B1 (ru) 2005-08-02 2006-03-15 Способ улучшения электрических и эксплуатационных характеристик свинцово-кислотного аккумулятора

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
UAA200507696 2005-08-02
UAA200507696A UA77899C2 (uk) 2005-08-02 2005-08-02 Електроліт для свинцево-кислотного акумулятора

Publications (1)

Publication Number Publication Date
WO2007015686A1 true WO2007015686A1 (fr) 2007-02-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/UA2006/000011 WO2007015686A1 (fr) 2005-08-02 2006-03-15 Adjuvant de l'electrolyte et de la pate d'une electrode positive et procede d'amelioration des caracteristiques d'accumulateurs

Country Status (3)

Country Link
EA (1) EA011566B1 (fr)
UA (1) UA77899C2 (fr)
WO (1) WO2007015686A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU208062A1 (ru) * В. Болибрух, Е. С. Кузнецов , Г. Л. Шевчеик Способ устранения сульфатации пластин свинцово-кислотных аккумуляторов
JPS5576053A (en) * 1978-12-01 1980-06-07 Nec Corp Substituted copper plating solution
JPS59157957A (ja) * 1983-02-25 1984-09-07 Matsushita Electric Ind Co Ltd 鉛蓄電池の製造法
JPS59157960A (ja) * 1983-02-25 1984-09-07 Matsushita Electric Ind Co Ltd 鉛蓄電池
RU2257646C1 (ru) * 2004-02-16 2005-07-27 Попов Владимир Максимович Электролит для свинцовых кислотных аккумуляторов и добавка в электролит
RU2257647C1 (ru) * 2004-02-16 2005-07-27 Попов Владимир Максимович Электролит для щелочных никелевых аккумуляторов и добавка в электролит

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU208062A1 (ru) * В. Болибрух, Е. С. Кузнецов , Г. Л. Шевчеик Способ устранения сульфатации пластин свинцово-кислотных аккумуляторов
JPS5576053A (en) * 1978-12-01 1980-06-07 Nec Corp Substituted copper plating solution
JPS59157957A (ja) * 1983-02-25 1984-09-07 Matsushita Electric Ind Co Ltd 鉛蓄電池の製造法
JPS59157960A (ja) * 1983-02-25 1984-09-07 Matsushita Electric Ind Co Ltd 鉛蓄電池
RU2257646C1 (ru) * 2004-02-16 2005-07-27 Попов Владимир Максимович Электролит для свинцовых кислотных аккумуляторов и добавка в электролит
RU2257647C1 (ru) * 2004-02-16 2005-07-27 Попов Владимир Максимович Электролит для щелочных никелевых аккумуляторов и добавка в электролит

Also Published As

Publication number Publication date
UA77899C2 (uk) 2007-01-15
EA011566B1 (ru) 2009-04-28
EA200800088A1 (ru) 2008-06-30

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