[go: up one dir, main page]

WO2021220627A1 - Batterie rechargeable au nickel-zinc - Google Patents

Batterie rechargeable au nickel-zinc Download PDF

Info

Publication number
WO2021220627A1
WO2021220627A1 PCT/JP2021/009156 JP2021009156W WO2021220627A1 WO 2021220627 A1 WO2021220627 A1 WO 2021220627A1 JP 2021009156 W JP2021009156 W JP 2021009156W WO 2021220627 A1 WO2021220627 A1 WO 2021220627A1
Authority
WO
WIPO (PCT)
Prior art keywords
nickel
positive electrode
zinc
secondary battery
negative electrode
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.)
Ceased
Application number
PCT/JP2021/009156
Other languages
English (en)
Japanese (ja)
Inventor
采佳 牧
毅 八木
稔 谷本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NGK Insulators Ltd
Original Assignee
NGK Insulators Ltd
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 NGK Insulators Ltd filed Critical NGK Insulators Ltd
Publication of WO2021220627A1 publication Critical patent/WO2021220627A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

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
    • H01M10/24—Alkaline accumulators
    • H01M10/30—Nickel 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
    • H01M4/24—Electrodes for alkaline accumulators
    • H01M4/32—Nickel oxide or hydroxide 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • 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
    • 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
    • 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 a nickel-zinc secondary battery.
  • Patent Document 1 International Publication No. 2013/118561 discloses that an LDH separator is provided between a positive electrode and a negative electrode in a nickel-zinc secondary battery.
  • Patent Document 2 International Publication No. 2016/076047 discloses a separator structure including an LDH separator fitted or joined to a resin outer frame, and the LDH separator is gas impermeable and has a gas impermeable property. / Or it is disclosed that it has a high degree of density enough to have water impermeability.
  • Patent Document 3 International Publication No. 2016/067884 discloses various methods for forming an LDH dense film on the surface of a porous substrate to obtain a composite material. In this method, a starting material that can give a starting point for LDH crystal growth is uniformly adhered to the porous base material, and the porous base material is hydrothermally treated in an aqueous solution of the raw material to form an LDH dense film on the surface of the porous base material. It includes a step of forming the water.
  • Patent Document 4 International Publication No.
  • 2019/077953 includes a battery element including a positive electrode plate, a negative electrode plate, an LDH separator, and an electrolytic solution, and is opposed to each other via a positive electrode current collecting tab and a negative electrode current collecting tab.
  • a zinc secondary battery that can collect electricity from the side is disclosed, and it is also described that a laminated battery in which two or more battery elements are housed in a case is preferable.
  • Patent Document 5 Japanese Unexamined Patent Publication No. 2002-93427
  • H 2 hydrogen gas generated from zinc by adding silver nickerite (AgNiO 2) to a positive electrode active material which is silver oxide or manganese dioxide.
  • Patent Document 6 Japanese Unexamined Patent Publication No. 11-162474
  • the pressure inside the battery is excessively increased by arranging the hydrogen gas absorbing pellets made of silver nickerite (AgNiO 2) in the alkaline manganese dry battery.
  • Patent Document 7 JP 57-849 discloses
  • AgNiO 2 is produced by reacting a NiOOH and Ag 2 O in an alkaline solution, also useful this material as an anode (positive electrode) active material It is stated that.
  • the nickel-zinc secondary battery is much safer than a battery using a non-aqueous electrolytic solution containing a flammable organic solvent in that an aqueous electrolytic solution such as an aqueous potassium hydroxide solution is used. ..
  • an aqueous electrolytic solution such as an aqueous potassium hydroxide solution is used. ..
  • the self-discharge reaction accompanied by gas generation during storage has the following reaction formula; ⁇ Negative electrode: Zn + H 2 O ⁇ ZnO + H 2 ⁇ happenss according to. By this reaction, the battery case can be filled with H 2 gas.
  • the problems of nickel-zinc secondary batteries are that a self-discharge reaction phenomenon accompanied by gas generation occurs and that it is difficult for the gas absorption reaction by the positive and negative electrodes that can cancel it to proceed.
  • the reaction formula is shown below. (Self-discharge reaction) ⁇ Positive electrode: NiOOH + 1 / 2H 2 O ⁇ Ni (OH) 2 + 1 / 4O 2 ⁇ ... (1) ⁇ Negative electrode: Zn + H 2 O ⁇ ZnO + H 2 ⁇ ... (2) (Gas absorption reaction) ⁇ Positive electrode: NiOOH + 1 / 2H 2 ⁇ Ni (OH) 2 ... (3) ⁇ Negative electrode: Zn + 1 / 2O 2 ⁇ ZnO... (4)
  • the gas absorption reaction proceeds at the same time as the self-discharge reaction, there is no difference in capacitance between the positive and negative electrodes even if the self-discharge reaction occurs at the positive and negative electrodes. This is because O 2 and H 2 generated from the positive and negative electrodes by the self-discharge reaction oxidize or reduce the other electrode.
  • the self-discharge reaction (2) of the zinc negative electrode is faster than the self-discharge reaction (1) of the nickel positive electrode, and the H 2 absorption reaction (3) of the nickel positive electrode is the H 2 generation reaction of the zinc negative electrode. It is slower than (2). Therefore, excess H 2 is filled in the battery is discharged to the outside of the case by the action of valve discharge to become more than a predetermined pressure.
  • the negative electrode capacity becomes smaller than the positive electrode capacity.
  • the dense LDH separator applied to the nickel-zinc secondary battery as disclosed in Patent Documents 1 to 4 allows only hydroxide ions (OH ⁇ ) to pass through and does not allow gas to pass through. This also contributes to delaying the H 2 absorption reaction of the positive electrode.
  • the above-mentioned positive / negative electrode capacity deviation does not pose a big problem. Since the discharge capacity is regulated by electrodes with a small capacity, there is a concern that the capacity will decrease, but in anticipation of a decrease in the capacity of the negative electrode, it is possible to take measures such as loading a sufficient amount of metallic zinc, which is a charging substance, from the design stage. Is. Therefore, if the H 2 gas can be absorbed by the hydrogen absorber, the case can be prevented from being damaged and the battery life due to liquid leakage can be extended. However, in the secondary battery, since charging / discharging and storage are repeated again after the positive / negative electrode capacity shift occurs, the undischarged portion accumulates in the positive electrode, and the rechargeable capacity gradually decreases.
  • Ni-MH nickel-metal hydride
  • the present inventors have now to a positive electrode of nickel-zinc secondary batteries, silver compound, manganese compound, titanium compound, or by adding a combination thereof, H 2 gas absorption reaction of the positive electrode (the above (3)) It was found that it can be promoted and the positive and negative electrode capacity shifts can be less likely to occur.
  • an object of the present invention promotes the H 2 gas absorption reaction of the positive electrode, capable of easily occur positive and negative electrode capacity deviation is to provide a nickel-zinc secondary batteries.
  • a positive electrode containing nickel hydroxide and / or nickel oxyhydroxide, a negative electrode containing zinc and / or zinc oxide, and the positive electrode and the negative electrode are isolated so as to be able to conduct hydroxide ions.
  • a nickel-zinc secondary battery provided with a separator and an electrolytic solution.
  • a nickel-zinc secondary battery is provided in which the positive electrode further comprises at least one additive selected from the group consisting of a silver compound, a manganese compound, and a titanium compound.
  • FIG. 1 It is a schematic cross-sectional view which shows an example of the nickel-zinc secondary battery by this invention. It is a figure which shows typically the AA' line cross section of the nickel-zinc battery shown in FIG.
  • the nickel-zinc secondary battery 10 shown in FIGS. 1 and 2 includes a battery element 11 in a closed container 20, and the battery element 11 includes a positive electrode 12, a negative electrode 14, a separator 16, and an electrolytic solution 18. And.
  • the positive electrode 12 contains nickel hydroxide and / or nickel oxyhydroxide.
  • the negative electrode 14 contains zinc and / or zinc oxide.
  • the separator 16 separates the positive electrode 12 and the negative electrode 14 so that hydroxide ions can be conducted.
  • the positive electrode 12 further contains at least one additive selected from the group consisting of a silver compound, a manganese compound, and a titanium compound.
  • the silver compound, the manganese compound, and the titanium compound all have the effect of reducing the charging resistance of the positive electrode 12 and suppressing the generation of oxygen in the positive electrode 12 during charging.
  • the following oxygen evolution reaction competes with the positive electrode charging reaction when the battery is charged to 20 to 30%.
  • the positive electrode 12 contains nickel hydroxide and / or nickel oxyhydroxide as the positive electrode active material.
  • the positive electrode 12 further includes a positive electrode current collector (not shown), and the positive electrode current collector preferably has a positive electrode current collector tab 13 extending from the upper end of the positive electrode 12.
  • a preferable example of the positive electrode current collector is a nickel porous substrate such as a foamed nickel plate.
  • a positive electrode plate made of a positive electrode / positive electrode current collector can be preferably produced by uniformly applying a paste containing an electrode active material such as nickel hydroxide on a nickel porous substrate and drying it. ..
  • the positive electrode 12 shown in FIG. 2 contains a positive electrode current collector (for example, nickel foam), but is not shown. This is because the positive electrode current collector is completely integrated with the positive electrode active material, so that the positive electrode current collector cannot be drawn individually.
  • the nickel-zinc secondary battery 10 preferably further includes a positive electrode current collecting plate connected to the tip of the positive electrode current collecting tab 13, and more preferably a plurality of positive electrode current collecting tabs 13 are connected to one positive electrode current collecting plate. NS. By doing so, it is possible to collect current efficiently in a space-efficient manner with a simple configuration, and it becomes easy to connect to the positive electrode terminal 26. Further, the positive electrode current collector plate itself may be used as the positive electrode terminal 26.
  • the additive contained in the positive electrode 12 or the positive electrode active material is at least one selected from the group consisting of a silver compound, a manganese compound, and a titanium compound. Therefore, the silver compound, the manganese compound, or the titanium compound may be used alone, or two or three kinds of these compounds may be used in combination.
  • the larger the amount of the additive the higher the effect of promoting the H 2 gas absorption reaction of the positive electrode 12, while the higher the cost. Therefore, it is preferable to appropriately determine the addition amount according to the specifications of the nickel-zinc secondary battery 10.
  • the additive is a silver compound.
  • the additive is a manganese compound.
  • the manganese compound is not particularly limited, but is preferably MnO 2.
  • the additive is a titanium compound.
  • the titanium compound is not particularly limited, but is preferably at least one selected from the group consisting of TiO 2 , Ti (OH) 4 , and TiO (OH) 2 , and more preferably anatase-type TiO 2 .
  • the positive electrode 12 may further contain cobalt.
  • Cobalt is preferably contained in the positive electrode 12 in the form of cobalt oxyhydroxide.
  • cobalt functions as a conductive auxiliary agent, thereby contributing to the improvement of charge / discharge capacity.
  • the negative electrode 14 contains zinc and / or zinc oxide as a negative electrode active material.
  • Zinc may be contained in any form of zinc metal, zinc compound and zinc alloy as long as it has an electrochemical activity suitable for the negative electrode.
  • Preferred examples of the negative electrode material include zinc oxide, zinc metal, calcium zincate and the like, but a mixture of zinc metal and zinc oxide is more preferable.
  • the negative electrode active material may be formed in the form of a gel, or may be mixed with the electrolytic solution 18 to form a negative electrode mixture.
  • a gelled negative electrode can be easily obtained by adding an electrolytic solution and a thickener to the negative electrode active material.
  • the thickener include polyvinyl alcohol, polyacrylate, CMC, alginic acid and the like, but polyacrylic acid is preferable because it has excellent chemical resistance to strong alkali.
  • a mercury- and lead-free zinc alloy known as a non-mercured zinc alloy can be used.
  • a zinc alloy containing 0.01 to 0.1% by mass of indium, 0.005 to 0.02% by mass of bismuth, and 0.0035 to 0.015% by mass of aluminum has an effect of suppressing hydrogen gas generation. Therefore, it is preferable.
  • indium and bismuth are advantageous in improving the discharge performance.
  • the self-dissolution rate in the alkaline electrolytic solution is slowed down, so that the generation of hydrogen gas can be suppressed and the safety can be improved.
  • the shape of the negative electrode material is not particularly limited, but it is preferably in the form of powder, which increases the surface area and makes it possible to cope with a large current discharge.
  • the average particle size of the preferred negative electrode material is in the range of 3 to 100 ⁇ m in the minor axis, and if it is within this range, the surface area is large, so that it is suitable for dealing with a large current discharge, and the electrolytic solution and gel. It is easy to mix uniformly with the agent and is easy to handle when assembling the battery.
  • the negative electrode 14 further includes a negative electrode current collector 15, and the negative electrode current collector 15 has a negative electrode current collector tab 15a extending from the upper end of the negative electrode 14.
  • the negative electrode current collecting tab 15a is preferably provided at a position where it does not overlap with the positive electrode current collecting tab 13.
  • the nickel-zinc secondary battery 10 preferably further includes a negative electrode current collecting plate connected to the tip of the negative electrode current collecting tab 15a, and more preferably a plurality of negative electrode current collecting tabs 15a are connected to one negative electrode current collecting plate. NS. By doing so, it is possible to collect current efficiently in a space-efficient manner with a simple configuration, and it becomes easy to connect to the negative electrode terminal 28. Further, the negative electrode current collector plate itself may be used as the negative electrode terminal 28.
  • the negative electrode current collector 15 include copper foil, copper expanded metal, and copper punching metal, but more preferably copper expanded metal.
  • a negative electrode composed of a negative electrode / negative electrode current collector is coated on a copper expanded metal with a mixture containing zinc oxide powder and / or zinc powder and, if desired, a binder (for example, polytetrafluoroethylene particles).
  • the plate can be preferably produced. At that time, it is also preferable to press the negative electrode plate (that is, the negative electrode / negative electrode current collector) after drying to prevent the electrode active material from falling off and improve the electrode density.
  • the nickel-zinc secondary battery 10 further includes a liquid-retaining member 17 that is interposed between the negative electrode 14 and the separator 16 and that covers or wraps the entire negative electrode 14.
  • the electrolytic solution 18 can be evenly present between the negative electrode 14 and the separator 16, and hydroxide ions can be efficiently exchanged between the negative electrode 14 and the separator 16.
  • the liquid-retaining member 17 is not particularly limited as long as it can hold the electrolytic solution 18, but is preferably a sheet-shaped member.
  • Preferred examples of the liquid-retaining member 17 include a non-woven fabric, a water-absorbent resin, a liquid-retaining resin, a porous sheet, and various spacers. be.
  • the liquid-retaining member 17 preferably has a thickness of 0.01 to 0.20 mm, more preferably 0.02 to 0.20 mm, still more preferably 0.02 to 0.15 mm, and particularly preferably. It is 0.02 to 0.10 mm, most preferably 0.02 to 0.06 mm. When the thickness is within the above range, a sufficient amount of the electrolytic solution 18 can be held in the liquid retaining member 17 while keeping the overall size of the negative electrode structure compact without waste. Further, as shown in FIG. 2, it is also preferable to cover or wrap the entire positive electrode 12 with the liquid retaining member 17, and the same effect as described above can be expected.
  • the entire negative electrode 14 is covered or wrapped with a separator 16 (for example, an LDH separator).
  • a separator 16 for example, an LDH separator.
  • the separator 16 is a separator that isolates the positive electrode 12 and the negative electrode 14 so that hydroxide ions can be conducted.
  • the separator 16 is preferably a layered double hydroxide (LDH) separator.
  • the LDH separator is preferably composited with a porous base material.
  • Preferred LDH separators include a porous substrate and LDH and / or LDH-like compounds that block the pores of the porous substrate.
  • LDH separator is a separator containing LDH and / or LDH-like compounds, and selectively selects hydroxide ions by utilizing the hydroxide ion conductivity of LDH and / or LDH-like compounds. Defined as passing through.
  • LDH-like compound is a hydroxide and / or oxide having a layered crystal structure similar to LDH, although it may not be called LDH, and can be said to be an equivalent of LDH.
  • LDH can be interpreted as including LDH-like compounds as well as LDH.
  • LDH separators are made of a porous substrate with LDH and / or LDH-like compounds so that they exhibit hydroxide ion conductivity and gas impermeability (hence functioning as LDH separators exhibiting hydroxide ion conductivity). Is closing the hole.
  • the porous base material is preferably made of a polymer material, and LDH is particularly preferably incorporated over the entire area of the porous base material made of a polymer material in the thickness direction.
  • LDH separators as disclosed in Patent Documents 1 to 4 can be used.
  • the electrolytic solution 18 preferably contains an aqueous alkali metal hydroxide solution.
  • the electrolytic solution 18 is shown only locally, because it is distributed throughout the positive electrode 12 and the negative electrode 14.
  • the alkali metal hydroxide include potassium hydroxide, sodium hydroxide, lithium hydroxide, ammonium hydroxide and the like, but potassium hydroxide is more preferable.
  • Zinc compounds such as zinc oxide and zinc hydroxide may be added to the electrolytic solution in order to suppress the self-dissolution of zinc and / or zinc oxide.
  • the electrolytic solution may be mixed with the positive electrode active material and / or the negative electrode active material and exist in the form of the positive electrode mixture and / or the negative electrode mixture.
  • the electrolytic solution may be gelled in order to prevent leakage of the electrolytic solution.
  • the gelling agent it is desirable to use a polymer that absorbs the solvent of the electrolytic solution and swells, and polymers such as polyethylene oxide, polyvinyl alcohol, and polyacrylamide, and starch are used.
  • the battery element 11 includes a plurality of positive electrodes 12, a plurality of negative electrodes 14, and a plurality of separators 16 and is laminated so that the units of the positive electrode 12 / separator 16 / negative electrode 14 are repeated. It is preferably in the form of a positive and negative electrode laminate. This is a so-called assembled battery or laminated battery configuration, and is advantageous in that a high voltage and a large current can be obtained.
  • the closed container 20 is preferably made of resin.
  • the resin constituting the closed container 20 is preferably a resin having resistance to alkali metal hydroxides such as potassium hydroxide, more preferably a polyolefin resin, an ABS resin, or a modified polyphenylene ether, and further preferably an ABS resin. Alternatively, it is a modified polyphenylene ether.
  • the closed container 20 has an upper lid 20a.
  • the closed container 20 (for example, the upper lid 20a) may have a pressure release valve for releasing gas. Further, a case group in which two or more closed containers 20 are arranged may be housed in an outer frame to form a battery module.
  • Example 1 A nickel-zinc secondary battery including a positive electrode, a negative electrode, a separator, and an electrolytic solution can be produced as follows.
  • the particles obtained in (1a) above are selected from sodium hypochlorite, potassium hypochlorite, sodium persulfate, potassium persulfate, hydrogen peroxide, and ammonium persulfate. It is oxidized in a basic solution containing an oxidizing agent to chemically change cobalt hydroxide to cobalt oxyhydroxide.
  • the oxidizing agent is particularly preferably sodium hypochlorite.
  • -Zinc negative electrode plate A paste containing ZnO powder, metal Zn powder, polytetrafluoroethylene (PTFE) and propylene glycol is pressure-bonded to a current collector (copper expanded metal).
  • PTFE polytetrafluoroethylene
  • -LDH separator Inside the pores of a polyethylene microporous film and Ni-Al-Ti-LDH (layered double hydroxide) precipitated on the surface by hydrothermal synthesis and roll-pressed.
  • -Sealed container Modified polyphenylene ether resin housing (gas generated in the case can be released) (Equipped with a pressure release valve)
  • -Electrolyte 5.4 mol / L KOH aqueous solution in which 0.4 mol / L ZnO is dissolved
  • nickel-zinc secondary batteries thus manufactured, the positive electrode, a silver compound, a manganese compound, and that at least one titanium compound is added, H 2 gas absorption reaction of the positive electrode is promoted, the positive and negative electrode capacity deviation Is less likely to occur.

Landscapes

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

Abstract

L'invention concerne une batterie rechargeable au nickel-zinc capable de faciliter la réaction d'absorption de gaz H2 d'une électrode positive, et de supprimer l'apparition d'un écart de capacité entre les électrodes positive et négative. La batterie rechargeable au nickel-zinc est pourvue : d'une électrode positive contenant de l'hydroxyde de nickel et/ou de l'oxyhydroxyde de nickel ; d'une électrode négative contenant du zinc et/ou de l'oxyde de zinc ; d'un séparateur qui sépare l'électrode positive et l'électrode négative d'une manière conductrice d'ions hydroxyde ; et d'une solution électrolytique. L'électrode positive contient en outre au moins un type d'additif choisi dans le groupe constitué par les composés d'argent, les composés de manganèse et les composés de titane.
PCT/JP2021/009156 2020-05-01 2021-03-09 Batterie rechargeable au nickel-zinc Ceased WO2021220627A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-081350 2020-05-01
JP2020081350A JP2023113974A (ja) 2020-05-01 2020-05-01 ニッケル亜鉛二次電池

Publications (1)

Publication Number Publication Date
WO2021220627A1 true WO2021220627A1 (fr) 2021-11-04

Family

ID=78373619

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/009156 Ceased WO2021220627A1 (fr) 2020-05-01 2021-03-09 Batterie rechargeable au nickel-zinc

Country Status (2)

Country Link
JP (1) JP2023113974A (fr)
WO (1) WO2021220627A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024202852A1 (fr) * 2023-03-28 2024-10-03 パナソニックＩｐマネジメント株式会社 Batterie de stockage alcaline

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49114741A (fr) * 1973-03-10 1974-11-01
JPH03149752A (ja) * 1989-11-02 1991-06-26 Idemitsu Kosan Co Ltd ニッケルアルカリ二次電池
JP2000251926A (ja) * 1999-02-26 2000-09-14 Sanyo Electric Co Ltd 密閉型アルカリ亜鉛蓄電池
JP2002246018A (ja) * 2001-02-13 2002-08-30 Sony Corp 正極活物質および電池
WO2013118561A1 (fr) * 2012-02-06 2013-08-15 日本碍子株式会社 Pile rechargeable au zinc
JP2015130249A (ja) * 2014-01-06 2015-07-16 パナソニックＩｐマネジメント株式会社 アルカリ蓄電池用正極およびそれを用いたアルカリ蓄電池

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49114741A (fr) * 1973-03-10 1974-11-01
JPH03149752A (ja) * 1989-11-02 1991-06-26 Idemitsu Kosan Co Ltd ニッケルアルカリ二次電池
JP2000251926A (ja) * 1999-02-26 2000-09-14 Sanyo Electric Co Ltd 密閉型アルカリ亜鉛蓄電池
JP2002246018A (ja) * 2001-02-13 2002-08-30 Sony Corp 正極活物質および電池
WO2013118561A1 (fr) * 2012-02-06 2013-08-15 日本碍子株式会社 Pile rechargeable au zinc
JP2015130249A (ja) * 2014-01-06 2015-07-16 パナソニックＩｐマネジメント株式会社 アルカリ蓄電池用正極およびそれを用いたアルカリ蓄電池

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024202852A1 (fr) * 2023-03-28 2024-10-03 パナソニックＩｐマネジメント株式会社 Batterie de stockage alcaline

Also Published As

Publication number Publication date
JP2023113974A (ja) 2023-08-17

Similar Documents

Publication Publication Date Title
JP5771193B2 (ja) 充電式亜鉛電池用のペースト状亜鉛電極
EP2472641A1 (fr) Batterie au nickel-zinc et son procédé de fabrication
US20120018670A1 (en) Nickel hydroxide electrode for rechargeable batteries
US20100062347A1 (en) Rechargeable zinc cell with longitudinally-folded separator
WO2021220627A1 (fr) Batterie rechargeable au nickel-zinc
JP7441092B2 (ja) ニッケル亜鉛二次電池
JP7611850B2 (ja) アルカリ電池用正極、並びに、アルカリ電池およびその製造方法
JP2004139909A (ja) 密閉型ニッケル亜鉛一次電池
JP7724286B2 (ja) ニッケル亜鉛二次電池
JP7718788B2 (ja) アルカリ蓄電池用の負極、及び当該負極を用いたアルカリ蓄電池
CN115084455B (zh) 碱性充电电池用电极和碱性充电电池
JP7748361B2 (ja) 扁平形電池およびその製造方法
US20240332636A1 (en) Zinc secondary battery
JP7724280B2 (ja) 亜鉛二次電池
JP7655148B2 (ja) 電池の製造方法
JP2020061224A (ja) ニッケル水素蓄電池の製造方法
WO2024176531A1 (fr) Batterie secondaire au zinc
WO2024034132A1 (fr) Électrode négative pour batterie au zinc, et batterie au zinc
JPH11288734A (ja) アルカリ二次電池
JP2023144769A (ja) 亜鉛電池
WO2024195225A1 (fr) Électrode négative pour batterie secondaire au zinc, et batterie secondaire au nickel-zinc et son procédé d'utilisation
WO2023112516A1 (fr) Batterie au zinc
WO2025191642A1 (fr) Batterie secondaire alcaline
JP3742149B2 (ja) アルカリ二次電池
JP2000268800A (ja) アルカリ二次電池

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21797695

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21797695

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP