WO2022113731A1 - 鉛合金、鉛蓄電池用電極、鉛蓄電池、及び蓄電システム - Google Patents

鉛合金、鉛蓄電池用電極、鉛蓄電池、及び蓄電システム Download PDF

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Publication number
WO2022113731A1
WO2022113731A1 PCT/JP2021/041246 JP2021041246W WO2022113731A1 WO 2022113731 A1 WO2022113731 A1 WO 2022113731A1 JP 2021041246 W JP2021041246 W JP 2021041246W WO 2022113731 A1 WO2022113731 A1 WO 2022113731A1
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WO
WIPO (PCT)
Prior art keywords
lead
electrode
lead alloy
mass
storage 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.)
Ceased
Application number
PCT/JP2021/041246
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English (en)
French (fr)
Japanese (ja)
Inventor
洋 金子
美保 山内
吉章 荻原
淳 古川
惠造 山田
彩乃 小出
篤志 佐藤
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.)
Furukawa Electric Co Ltd
Furukawa Battery Co Ltd
Original Assignee
Furukawa Electric Co Ltd
Furukawa Battery Co 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 Furukawa Electric Co Ltd, Furukawa Battery Co Ltd filed Critical Furukawa Electric Co Ltd
Priority to AU2021388214A priority Critical patent/AU2021388214A1/en
Priority to EP21897705.6A priority patent/EP4253581A1/en
Priority to JP2022565204A priority patent/JPWO2022113731A1/ja
Priority to CN202180079836.3A priority patent/CN116568849A/zh
Publication of WO2022113731A1 publication Critical patent/WO2022113731A1/ja
Priority to US18/325,329 priority patent/US20230299268A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C11/00—Alloys based on lead
    • C22C11/06—Alloys based on lead with tin as the next major constituent
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/12—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of lead or alloys based thereon
    • 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
    • H01M10/18—Lead-acid accumulators with bipolar 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
    • H01M4/56—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of lead
    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/68—Selection of materials for use in 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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/68—Selection of materials for use in lead-acid accumulators
    • H01M4/685—Lead alloys
    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/70—Carriers or collectors characterised by shape or form
    • H01M4/72—Grids
    • H01M4/73—Grids for lead-acid accumulators, e.g. frame plates
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/534—Electrode connections inside a battery casing characterised by the material of the leads or tabs
    • 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 lead alloy, an electrode for a lead storage battery, a lead storage battery, and a power storage system.
  • the electrode of the lead storage battery includes a lead layer for an electrode formed of a lead alloy and an active material arranged on the surface of the lead layer for the electrode.
  • Rollers may be used when manufacturing electrodes for lead-acid batteries. By pressing the lead alloy foil that constitutes the lead layer for the electrode against the substrate with the rollers, the lead alloy foil is attached to the substrate to lead. Manufactures electrodes for storage batteries.
  • lead-acid batteries are required to reduce the thickness of the lead layer for electrodes in order to efficiently use the internal volume.
  • the thickness of the lead layer for electrodes of a conventional lead storage battery is about 1 mm, but there is a demand that the thickness is, for example, 0.5 mm or less.
  • the lead alloy foil may stretch when a force is applied to the lead alloy foil with a roller during the manufacture of the lead storage battery electrode. Therefore, the lead alloy foil is used as a substrate.
  • the edge of the lead alloy foil may be displaced from a predetermined part of the substrate (hereinafter, may be referred to as "positional deviation"), or wrinkles or breakage due to local elongation may occur in the lead alloy. There was a risk that it would occur on the foil.
  • the lead alloy according to one aspect of the present invention was obtained by analyzing a pure lead powder by the X-ray diffraction method so that the half-value width of the diffraction peak of (311) in the diffraction chart obtained by the analysis by the X-ray diffraction method was obtained.
  • the gist is that it is 1.4 times or more the half price width of the diffraction peak of (311) in the diffraction chart.
  • the electrode for a lead storage battery according to another aspect of the present invention includes a lead layer for an electrode formed of the lead alloy according to the above aspect, and an active material arranged on the surface of the lead layer for the electrode. The gist is that.
  • the lead storage battery according to still another aspect of the present invention includes an electrode for a lead storage battery according to the other aspect.
  • the power storage system according to still another aspect of the present invention includes the lead storage battery according to still another aspect and is a power storage system for storing electricity in the lead storage battery.
  • the half width of the diffraction peak of (311) in the diffraction chart obtained by analysis by the X-ray diffraction method is in the diffraction chart obtained by analyzing the pure lead powder by the X-ray diffraction method. Since it is 1.4 times or more the half width of the diffraction peak of (311), elongation is unlikely to occur even when a force is applied. Further, the lead storage battery electrode, the lead storage battery, and the power storage system according to the present invention can be manufactured with high productivity because the lead layer for the electrode is formed of the lead alloy according to the present invention.
  • the lead-acid battery 1 shown in FIG. 1 is a bipolar lead-acid battery, in which a first plate unit in which a negative electrode 110 is fixed to a flat plate-shaped first plate 11 and an electrolytic layer 105 are inside a frame plate-shaped second plate 12.
  • a second plate unit fixed to the above, and a bipolar electrode 130 having a positive electrode 120 formed on one surface of the substrate 111 and a negative electrode 110 formed on the other surface are fixed inside the frame plate-shaped third plate 13. It includes a three-plate unit and a fourth plate unit in which the positive electrode 120 is fixed to the flat fourth plate 14.
  • the second plate unit and the third plate unit are alternately laminated between the first plate unit and the fourth plate unit to form a lead storage battery 1 having a substantially rectangular parallelepiped shape.
  • the number of each of the second plate unit and the third plate unit to be stacked is set so that the storage capacity of the lead storage battery 1 becomes a desired value.
  • the first to fourth plates 11, 12, 13, 14 and the substrate 111 are formed of, for example, a well-known molding resin.
  • the first to fourth plates 11, 12, 13, and 14 are fixed to each other by an appropriate method so that the inside is sealed so that the electrolytic solution does not flow out.
  • a negative electrode terminal 107 is fixed to the first plate 11, and the negative electrode 110 fixed to the first plate 11 and the negative electrode terminal 107 are electrically connected to each other.
  • a positive electrode terminal 108 is fixed to the fourth plate 14, and the positive electrode 120 fixed to the fourth plate 14 and the positive electrode terminal 108 are electrically connected to each other.
  • the electrolytic layer 105 is composed of, for example, a glass fiber mat impregnated with an electrolytic solution containing sulfuric acid.
  • the negative electrode 110 includes, for example, a lead layer 102 for a negative electrode made of a well-known lead foil, and an active material layer 104 for a negative electrode arranged on the surface of the lead layer 102 for a negative electrode.
  • the positive electrode 120 is formed on the surfaces of a lead layer 101 for a positive electrode (corresponding to the “lead layer for electrodes” which is a constituent requirement of the present invention) and a lead layer 101 for a positive electrode, which are made of a lead alloy foil according to the present embodiment described later. It is provided with an arranged positive electrode active material layer 103.
  • the positive electrode 120 and the negative electrode 110 are fixed to the front surface and the back surface of the substrate 111, respectively, and are electrically connected by an appropriate method. Alternatively, the positive electrode 120 and the negative electrode 110 may be fixed to one surface of the two substrates 111, respectively, and the other surfaces may be electrically connected and fixed to each other.
  • the lead storage battery 1 is composed of a substrate 111, a lead layer 101 for a positive electrode, an active material layer 103 for a positive electrode, a lead layer 102 for a negative electrode, and an active material layer 104 for a negative electrode.
  • a bipolar electrode 130 which is a lead electrode, is configured.
  • the bipolar electrode is an electrode having both positive and negative functions with one electrode.
  • the lead-acid battery 1 alternately has cell members having an electrolytic layer 105 interposed between the positive electrode 120 having the positive electrode active material layer 103 and the negative electrode 110 having the negative electrode active material layer 104.
  • the battery configuration is such that the cell members are connected in series.
  • a bipolar lead storage battery having a bipolar electrode having both positive and negative electrode functions with one electrode is shown as an example of the lead storage battery, but the lead storage battery according to the present embodiment is a positive electrode.
  • a lead storage battery may be a lead storage battery in which an electrode having a function and an electrode having a function of a negative electrode are provided, respectively, and both positive and negative electrodes, which are separate electrodes, are alternately arranged.
  • a power storage system can be configured by using the lead storage battery 1 according to the present embodiment shown in FIG.
  • An example of the power storage system is shown in FIG.
  • the power storage system of FIG. 2 is composed of a plurality of (four in the example of FIG. 2) lead storage batteries 1, 1, ... Connected in series, and AC / DC conversion (AC) during charging and discharging of the assembled batteries.
  • An AC / DC converter 6 that performs exchange between electric power and DC electric power, and a current sensor 3 that is installed between the assembled battery and the AC / DC converter 6 and measures the charge / discharge current during charging and discharging of the assembled battery.
  • a voltage sensor 4 that measures the voltage of the battery, and a storage status monitoring device that receives measurement data transmitted from the current sensor 3 and the voltage sensor 4 and performs status determination and alarm determination of the assembled battery based on the received measurement data.
  • Energy that receives the storage status information transmitted by the storage status monitoring device 2 based on the results of the executed status determination and alarm determination, and determines whether to charge or discharge the assembled battery based on the received storage status information. It is equipped with a management system 5.
  • the energy management system 5 determines whether to charge or discharge the assembled battery based on the storage status information received from the storage status monitoring device 2, and transmits a signal instructing the execution of charging or discharging to the AC / DC conversion device 6.
  • the AC / DC converter 6 Upon receiving the signal instructing the execution of the discharge, the AC / DC converter 6 converts the DC power discharged from the assembled battery into AC power and outputs the DC power to the commercial power system 7.
  • the AC / DC conversion device 6 converts the AC power input from the commercial power system 7 into DC power to charge the assembled battery.
  • the number of lead-acid batteries 1 in series is determined by the input voltage range of the AC / DC converter 6.
  • the lead alloy foil constituting the lead layer 101 for the positive electrode will be described.
  • This foil is made of the lead alloy according to this embodiment.
  • the half-value width of the diffraction peak of (311) in the diffraction chart obtained by analysis by the X-ray diffraction method is the diffraction chart obtained by analyzing the pure lead powder by the X-ray diffraction method. It is a lead alloy having a value of 1.4 times or more of the half-value width of the diffraction peak of (311).
  • the half width of the diffraction peak of (311) in the diffraction chart obtained by analyzing the lead alloy according to the present embodiment by the X-ray diffraction method is defined as Wa
  • the pure lead powder is analyzed by the X-ray diffraction method.
  • the ratio Wa / Wp of these half-value widths (hereinafter, also referred to as “half-value width ratio”) is 1.4 or more.
  • the half width ratio is 1.4 or more, the high dislocation density of the lead alloy is maintained. Therefore, the lead alloy according to the present embodiment is unlikely to have overall elongation or local elongation even when a force is applied.
  • the full width at half maximum ratio needs to be 1.4 or more, but is preferably 1.7 or more in order to make elongation less likely to occur when a force is applied.
  • the half-value width ratio is preferably 10 or less.
  • the lead alloy foil constituting the lead layer 101 for the positive electrode is made of the lead alloy according to the present embodiment. Once formed, the thickness of the lead layer 101 for the positive electrode can be reduced (for example, 0.5 mm or less). That is, when the lead alloy foil constituting the positive lead layer 101 is pressed against the substrate 111 by a roller to attach the lead alloy foil to the substrate 111 to manufacture the bipolar electrode 130, the lead alloy foil is added by the roller.
  • the lead alloy foil will stretch due to the force, but if the lead alloy foil is formed of the lead alloy according to this embodiment, the lead alloy foil will not stretch easily even if force is applied, so the thickness of the lead alloy foil Even if the size is small (for example, 0.5 mm or less), the lead alloy foil is less likely to stretch. Further, since local elongation is unlikely to occur, even if the thickness of the lead alloy foil is small, wrinkles and breakage are unlikely to occur in the lead alloy foil. Therefore, when the lead alloy foil is attached to the substrate 111, the lead alloy foil is less likely to be displaced, wrinkled, or broken.
  • the bipolar electrode 130 can be manufactured smoothly, and the bipolar electrode 130 and the lead storage battery 1 can be manufactured with high productivity. can do. Further, in the lead storage battery 1 in which the lead layer 101 for the positive electrode is formed of the lead alloy according to the present embodiment, the thickness of the lead layer 101 for the positive electrode can be reduced, so that the internal volume can be efficiently used.
  • the lead storage battery 1 in which the lead layer 101 for the positive electrode is made of the lead alloy foil according to the present embodiment and the lead layer 102 for the negative electrode is made of a well-known lead foil is shown as an example.
  • the lead layer 101 for the positive electrode may be made of a well-known lead foil
  • the lead layer 102 for the negative electrode may be made of the lead alloy foil according to the present embodiment, or the lead layer 101 for the positive electrode and the lead for the negative electrode may be used. Both layers 102 may be made of the lead alloy foil according to the present embodiment.
  • the lead alloy according to the present embodiment may be a lead alloy containing 0.4% by mass or more and 2% by mass or less of tin and 0.004% by mass or less of bismuth, and the balance is lead and unavoidable impurities. ..
  • the lead alloy according to the present embodiment contains 0.4% by mass or more and 2% by mass or less of tin and 0.004% by mass or less of bismus, and 0.1% by mass or less of calcium and 0.05% by mass.
  • It may be a lead alloy further containing at least one of% or less of silver and 0.05% by mass or less of copper, and the balance is lead and unavoidable impurities. With the above alloy composition, it is easy to obtain a lead alloy that does not easily stretch even when a force is applied.
  • the adhesion between the positive electrode lead layer 101 formed of the lead alloy and the positive electrode active material layer 103 becomes good.
  • the tin content in the lead alloy is preferably 0.4% by mass or more and 2.0% by mass or less, and more preferably 0.6% by mass or more and 1.8% by mass or less.
  • the lead alloy contains calcium, silver, or copper, the crystal grains of the lead alloy become fine. Therefore, if the lead alloy contains tin and at least one of calcium, silver, and copper, the strength of the lead alloy is increased and it is difficult to deform.
  • Calcium, silver, and copper may be positively added to the lead alloy, but even if they are not positively added, they may be contained as unavoidable impurities due to contamination from the bare metal.
  • the maximum amount that can be contained as an unavoidable impurity is 0.012% by mass for each of calcium, silver, and copper.
  • the lead alloy contains bismuth, the formability due to rolling of the lead alloy tends to decrease. That is, bismuth is one of the impurities preferably not contained in the lead alloy according to the present embodiment as much as possible. Therefore, the content of bismuth in the lead alloy is preferably 0.004% by mass or less, and most preferably 0% by mass. However, considering the cost of the lead alloy, the content of bismuth is preferably 0.0004% by mass or more.
  • lead alloys may contain elements other than lead, tin, calcium, silver, copper and bismuth.
  • This element is an impurity inevitably contained in the lead alloy, and the total content of elements other than lead, tin, calcium, silver, copper and bismuth in the lead alloy shall be 0.01% by mass or less. Is preferable, and 0% by mass is most preferable.
  • the crystal structure ((311)) of the lead alloy can be controlled by rolling after the heat treatment to produce a lead alloy foil.
  • rolling and heat treatment are shown as an example of a method for controlling the crystal structure ((311)) in the lead alloy according to the present embodiment, and the crystal structure may be controlled by a method other than rolling and heat treatment. ..
  • This example is a method of producing a lead alloy foil by first performing heat treatment and then rolling.
  • the second-stage heat treatment is performed in which the heat treatment is maintained at a predetermined temperature for a predetermined time without being cooled to room temperature.
  • the conditions for the heat treatment in the first stage are preferably such that the temperature is 290 ° C. or higher and 320 ° C. or lower, and more preferably 295 ° C. or higher and 310 ° C. or lower.
  • the conditions for the heat treatment in the second stage are preferably a temperature of 40 ° C. or higher and 100 ° C. or lower, more preferably 60 ° C. or higher and 80 ° C. or lower, and a heat treatment time of 2 weeks or longer. More preferably, it is at least a week.
  • the rolling conditions are preferably a rolling reduction of 30% or more, more preferably 50% or more.
  • Example ⁇ An ingot having a thickness of 8 mm made of a lead alloy having the alloy composition shown in Table 1 was heat-treated and then rolled to produce a foil.
  • the condition of the heat treatment is that the ingot heated to 300 ° C. is put into a furnace kept at a predetermined heat treatment temperature without being cooled to room temperature and held for a predetermined heat treatment time.
  • the heat treatment temperature and heat treatment time are as shown in Table 1.
  • the condition of the heat treatment of Comparative Example 1 is that only heating at 300 ° C. is performed, and subsequent heat treatment using a furnace is not performed.
  • Comparative Example 6 is not a lead alloy but pure lead containing a small amount of bismuth.
  • the rolling conditions of Examples 1 to 15 and Comparative Examples 1 to 4 and 6 are that an ingot having a thickness of 8 mm is rolled to produce a foil having a thickness of 0.25 mm.
  • the rolling reduction is 96.9%.
  • the rolling condition of Example 16 is that an ingot having a thickness of 8 mm is rolled to produce a foil having a thickness of 0.40 mm.
  • the rolling reduction is 95.0%.
  • the rolling condition of Example 17 is that an ingot having a thickness of 8 mm is rolled to produce a foil having a thickness of 0.10 mm.
  • the rolling reduction is 98.8%.
  • a defect called edge cracking occurred at the end of the plate during rolling, so that the foil could not be obtained.
  • the surfaces (rolled surfaces) of the manufactured foils of Examples 1 to 17 and Comparative Examples 1 to 4 and 6 were analyzed by an X-ray diffraction method to obtain an X-ray diffraction chart. More specifically, ⁇ / 2 ⁇ measurement was performed using an X-ray diffractometer X'pert PRO manufactured by Spectris Co., Ltd. In all the measurements, a Cu target was used and the X-ray aperture was 5 mm ⁇ 5 mm. Then, for each of the foils of Examples 1 to 17 and Comparative Examples 1 to 4 and 6, the half width of the diffraction peak of (311) in the obtained X-ray diffraction chart was obtained.
  • the foils of Examples 1 to 17 and Comparative Examples 1 to 4 and 6 were cut to prepare three test pieces each having a width of 15 mm and a length of 100 mm.
  • the test piece was prepared so that the longitudinal direction and the rolling direction of the test piece were parallel to each other.
  • a tensile test was performed on each test piece at a tensile speed of 100 mm / min to obtain 0.2% proof stress and maximum tensile strength, and the resistance to the applied force (the occurrence of elongation when the force was applied) was obtained. Kusa) was evaluated.
  • the tensile direction of the test piece was set along the longitudinal direction of the test piece.
  • the average value of the measurement results of the three test pieces was taken as the 0.2% proof stress and maximum tensile strength of the test pieces. The results are shown in Table 1.
  • Electrolytic layer 110 ... Negative electrode 111 ... Substrate 120 ... Positive electrode 130 ... Bipolar electrode

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  • Electrochemistry (AREA)
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  • Engineering & Computer Science (AREA)
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  • Manufacturing & Machinery (AREA)
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PCT/JP2021/041246 2020-11-30 2021-11-09 鉛合金、鉛蓄電池用電極、鉛蓄電池、及び蓄電システム Ceased WO2022113731A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU2021388214A AU2021388214A1 (en) 2020-11-30 2021-11-09 Lead alloy, electrode for lead storage batteries, lead storage battery, and power storage system
EP21897705.6A EP4253581A1 (en) 2020-11-30 2021-11-09 Lead alloy, electrode for lead storage batteries, lead storage battery, and power storage system
JP2022565204A JPWO2022113731A1 (https=) 2020-11-30 2021-11-09
CN202180079836.3A CN116568849A (zh) 2020-11-30 2021-11-09 铅合金、铅蓄电池用电极、铅蓄电池以及蓄电系统
US18/325,329 US20230299268A1 (en) 2020-11-30 2023-05-30 Lead Alloy, Lead Storage Battery Electrode, Lead Storage Battery, and Power Storage System

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JP2020-199171 2020-11-30
JP2020199171 2020-11-30

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US18/325,329 Continuation US20230299268A1 (en) 2020-11-30 2023-05-30 Lead Alloy, Lead Storage Battery Electrode, Lead Storage Battery, and Power Storage System

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JP2000504783A (ja) * 1996-02-16 2000-04-18 メタローロップ、ソシエテ、アノニム 特にバッテリーグリッド用の鉛―カルシウム合金
JP2004165149A (ja) * 2002-08-13 2004-06-10 Johnson Controls Technol Co バッテリーのグリッド用の合金
JP2012133958A (ja) * 2010-12-21 2012-07-12 Furukawa Battery Co Ltd:The 複合キャパシタ負極板及び鉛蓄電池
JP2015028901A (ja) * 2012-12-18 2015-02-12 パナソニックＩｐマネジメント株式会社 鉛蓄電池
WO2015145800A1 (ja) * 2014-03-28 2015-10-01 新神戸電機株式会社 鉛蓄電池及び鉛蓄電池用の電極集電体

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