WO2008145017A1 - Batterie d'accumulateurs au plomb à équilibrage d'énergie - Google Patents

Batterie d'accumulateurs au plomb à équilibrage d'énergie Download PDF

Info

Publication number
WO2008145017A1
WO2008145017A1 PCT/CN2008/001032 CN2008001032W WO2008145017A1 WO 2008145017 A1 WO2008145017 A1 WO 2008145017A1 CN 2008001032 W CN2008001032 W CN 2008001032W WO 2008145017 A1 WO2008145017 A1 WO 2008145017A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
voltage
current
balance bar
balance
Prior art date
Application number
PCT/CN2008/001032
Other languages
English (en)
Chinese (zh)
Inventor
Zijin Lin
Original Assignee
Zijin Lin
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 Zijin Lin filed Critical Zijin Lin
Publication of WO2008145017A1 publication Critical patent/WO2008145017A1/fr

Links

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
    • H01M10/06—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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • 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 belongs to the technical field of lead-acid batteries, and particularly relates to a lead-acid battery which can avoid overcharging and undercharging. Background technique
  • Lead-acid battery discharge working voltage is relatively stable, can be discharged with small current or large current, wide operating temperature range, can work in the range of -40 ° C ⁇ 65 ° C, while lead-acid battery technology is mature, low cost It follows the load output characteristics and becomes an important product for battery use.
  • the existing lead-acid batteries have obvious disadvantages, high quality, low mass-to-energy, and short cycle life.
  • the length of life of a lead-acid battery depends on the charging current and time, and the length of time is proportional to the depth of discharge in the battery, which means that the larger the charging current and the deeper the depth of discharge, the shorter the life of the lead-acid battery.
  • the over-charging and under-charging of the single-cell battery and the energy imbalance between the cells can easily lead to premature aging of the battery and short service life. Unbalanced monomer will cause rapid temperature rise, which may lead to thermal runaway, which will cause the battery casing to be deformed.
  • the electrolyte sulfuric acid will overflow from the sealed part of the battery. Overcharge of the battery will definitely cause the battery to lose water. The chemical reaction inside the battery will be dehydrated. Insufficient supply of raw materials will inevitably result in a decrease in capacity.
  • China utility model patent CN2154538Y “combined rechargeable alkaline zinc-manganese battery” in each rechargeable alkaline zinc-manganese battery, a shunt control circuit can be connected in parallel, the shunt control circuit consists of two diodes and one Only resistors are formed, diodes are used for voltage limiting, and resistors are used for current limiting.
  • This technical solution is only applicable to alkaline zinc-manganese batteries and is shunted by silicon diodes.
  • the operating voltage range is relatively large, and the operating voltage increases with the increase of current.
  • the voltage rise of the boosted turn-on is also relatively large, and the positive leakage current is large (milliampere level), which can only be installed in the charger circuit. When combined with the battery, large current leakage will significantly shorten the battery storage life.
  • Lonnie G Johnson, Smyrna; Yong Su, Atlanta, both of Ga invented the "rechargeable battery power overcharge protection circuit" (US5982144), using shunt integration as the core for constant voltage regulator charging protection, integrated stability
  • the voltage circuit performs timing charging. When charging at the same voltage, the time required for each single battery to be fully charged is different. However, when charging at the same time and the same voltage, there is a certain error in the performance of each monomer in the battery. Error and overcharge and undercharge.
  • the existing detection circuit uses the magnitude of the charging current to determine whether the battery is full. This solution uses constant voltage regulation, and the battery saturation will not be detected.
  • There is overcharge and undercharge to ensure the energy balance between the monomers The two ends of each single battery are connected in parallel to a balance bar.
  • the balance bar is a voltage limiting shunt circuit, which improves the performance of the monomer to a certain extent.
  • valve-regulated sealed lead-acid batteries have become mainstream products, because the structure of the wide-controlled sealed lead-acid battery is fully sealed, only two electrodes are exposed, and the internal monomer and single of a battery are added.
  • the error between the bodies is quite small, about 0.2% to 2%.
  • the prior art of the above patents still cannot be solved.
  • the object of the present invention is to provide a performance for fully improving the capacity of a lead-acid battery, and to improve the use thereof. Energy-balanced lead-acid battery for life.
  • An energy balance storage battery is composed of two or more single cells connected in series, and a balance bar is arranged between the plates of each single battery, and the positive electrode of the single battery is coupled with the balance bar positive electrode, the single battery
  • the negative pole is coupled with the negative pole of the balance bar, and the forward pressure drop of the balance bar is greater than the actual halo voltage of the single battery, and is smaller than the charging voltage of the single battery
  • the characteristic balance bar is a resistor R and a
  • the shunt regulator IC is composed in series, the resistance of the resistor is 0.01 ⁇ 2 ⁇ , the shunt regulator reference voltage is 2.20V ⁇ 2.40V, and the reference voltage temperature variation is less than 120ppm/°C.
  • the leakage current is less than 50uA.
  • the invention adopts a shunt regulator IC (integrated circuit) with high voltage regulation precision, which can effectively solve the small error between the internal monomer and the monomer of the battery.
  • the shunt regulator IC integrated circuit
  • the resistance of the resistor is 0.01 ⁇ 2 ⁇ , so the balance is balanced.
  • the maximum voltage of the lead-acid battery is 2.2V, and the float voltage is up to 2.4V during charging. Therefore, the shunt regulator IC reference voltage is 2.20V ⁇ 2.40V.
  • the internal monomer and monomer of the battery The error of the current itself is quite small.
  • the variation of the reference voltage temperature of the shunt regulator of the present invention is limited to less than 120 ppm/° C., the balance bar is connected in parallel with the single battery for a long time, and plays a protective role, and cannot form a load.
  • the forward leakage current of the shunt regulator of the present invention is limited to less than 50 uA.
  • the resistance of the resistor can be adjusted according to the capacity of the battery. The larger the battery capacity, the lower the resistance of the resistor.
  • the operating current of the balance bar of the present invention is determined according to the capacity and use of the lead-acid battery.
  • the working principle of the invention is: Assuming that one of the single cells is 5% behind, the normal operating current of the balance bar is 50 mA. When charging with a constant current of 1 A, the current through the remaining cells is 0.95 A, and the balance bar current through the two ends is 0.05 A; The current of the backward single battery is 1A, and the current through the parallel terminal battery is less than 50 ⁇ . During the charging process, the current through the single battery is constantly changing, and the current of the balance bar at both ends of the battery is also changed, thereby ensuring the uniformity of the ionization of each of the battery cells, and the gap between the cells is balanced.
  • the energy balance storage battery of the invention has the performance of energy distribution, and can effectively balance the backwardness of the monomer, so that each monomer can work normally, and the voltage deviation of the single battery, the depth of discharge and the tolerance between the monomers have an overall impact. Very small.
  • the energy balance battery of the present invention minimizes the chance of overcharging and avoids overcharging of some of the cells.
  • the monomer When the battery is just shipped from the factory, the monomer is very small. After each discharge of the battery, it is restored by the invention when charging.
  • the charging voltage distribution is relatively uniform; the charging voltage is fixed, such as 12V lead-acid battery is 6
  • the monomer charge, the float voltage is 14.4V
  • the voltage of each cell is 2.4V
  • the solution in the battery is lead sulfate, sulfuric acid and water. After the lead in the solution is completely ionized, the leakage current of each monomer is
  • the voltage of the balance bar is constant, and the current is also constant.
  • the charger of the prior art mostly controls whether the battery is full by the magnitude of the monitoring current.
  • the energy balance battery of the invention does not affect the detection circuit, so the detection can be used.
  • the circuit avoids overcharging or undercharging by detecting the saturation of the battery, and the battery life will also be extended.
  • FIG. 1 is a schematic structural view of an energy balance storage battery of the present invention
  • FIG. 2 is a schematic diagram of the balance bar structure of FIG. 1;
  • FIG. 3 is a schematic view showing the installation structure of the energy balance battery of the present invention, wherein the balance bar is placed in the battery;
  • Fig. 4 is a schematic view showing another installation structure of the energy balance battery, in which the balance bar is placed outside the battery. detailed description
  • the energy balance bar shown in Figure 1 consists of a resistor R and a shunt regulator IC.
  • the resistance of R is 0.01 ⁇ 2 ⁇
  • the reference voltage of the shunt regulator IC is 2.20V ⁇ 2.40V. In the range.
  • the energy balance battery shown in FIG. 2 is composed of three single cells A, B, and C connected in series, and a balance bar is arranged between the plates 4 of each of the cells, including the cells B, B, and C.
  • the positive electrodes are respectively coupled to the positive poles of the balance bars 1, 2 and 3, and the negative electrodes of the single cells A, B, and C are respectively coupled to the balance bar negative electrodes 1, 2, and 3.
  • Three single cells, B, (, plate 4, separator 5, trough 6 and electrolyte 7 are housed in the upper cover 8 in the casing, and in Figure 3 the balance bars 1, 2 and 3 are inside the battery, and electrolysis The liquids 7 are separated by a partitioning plate 5, in which the balance bars 1, 2 and 3 are outside the battery.
  • the balance bars 1, 2 and 3 are composed of a resistor R and an IC shunt regulator 8 connected in series.
  • the resistance of the resistor R is less than 2 ⁇ , and the resistor R can be a metal film resistor.
  • the resistance can be: 100 ⁇ - ⁇ ⁇ , 133 ⁇ -0.75 ⁇ , 200 ⁇ -0.5 ⁇ , 300 ⁇ -0.33 ⁇ , etc.
  • the power is positive.
  • a negative half-cycle peak-to-peak current will generate a large instantaneous current, and the current limiting resistor R can ensure the safety of the circuit.
  • the shunt regulator 8 has a regulation voltage of 2.20V to 2.40V, a reference voltage temperature variation of less than 120ppm/°C, and a forward leakage current of less than 50uA.
  • the operating current is determined by the size of the lead-acid battery and its application.
  • the reference voltage temperature variation value is less than 120ppm/°C, and the forward leakage current is less than 50uA. Because the technicians in the circuit design field can design a plurality of such shunt regulator circuits according to the above parameters, they will not be enumerated here.
  • the battery pack includes a single battery A, a single battery B and a single battery C, the resistor and the shunt regulator 1 are connected in parallel to the single battery A, the resistor and the shunt regulator 2 are connected in parallel to the single battery B, the resistor 3 and the shunt The regulator 3 is connected in parallel to the battery cell C.
  • lead sulfate is formed by the first discharge reaction
  • the lead ion A in each monomeric lead sulfate is 1000
  • B is 980
  • C is 1000
  • the sulfuric acid concentration is the same
  • the monomer is 2% behind.
  • the current of the balance bar varies depending on the voltage across the balance bar. Since the voltage at point a is stable, the voltage across the balance bar changes, and the current of the balance bar changes accordingly.
  • the current size is controlled.
  • the shunt regulator IC reference voltage regulation value used in the present invention is in the range of 2.20V ⁇ 2.40V, the reference voltage temperature variation value is less than 120ppm/O, and the shunt regulator integrated circuit has high operational stability at different temperatures.
  • the forward leakage current is less than 50uA, the balance bar hardly becomes a load when the battery is not working. Therefore, the balance bar can repair the backwardness of the monomer as before.
  • the above balance bar can completely ionize the lead sulfate in each monomer at the same time and control it for a long time.
  • Test battery 9 6-DZM-10 valve-regulated lead-acid batteries produced in the same batch, divided into two groups, the first group of balance bars without invention, 9; the second group is the energy balance battery of the invention, 9 only.
  • the test results are as follows: The first group has a capacity of 10 Ah, and the second group has a capacity of 10.5 Ah ; GB/T19639.1-2005 life test method for conducting cycle test;
  • the first group has 6 lifespans of 400, 2 of 480, and 1 of 600;
  • the balance between the shunt regulator and the low-resistance resistor is ensured during the charging process, thereby ensuring the uniformity of ionization of the individual battery cells, and the gap between the individual battery cells tends to be balanced.
  • the charging process of the battery is divided into three stages.
  • the first stage is constant current charging
  • the second stage is regulated charging
  • the third stage is termination charging or charging sleep state.
  • the balance bar In the first stage of constant current charging, the balance bar has started to work.
  • the operating voltage values of the balance bars in the same battery are basically the same, and the error is within 0.01V.
  • the charging voltage value of each cell is different, that is, the current through the balance bar is different.

Abstract

L'invention concerne une batterie d'accumulateurs au plomb à équilibrage d'énergie, qui comporte deux batteries d'accumulateurs monomères ou plus connectées en série. Un égaliseur est prévu entre deux plaques polaires de chaque batterie d'accumulateurs monomère. Un pôle positif de la batterie d'accumulateurs monomère et un pôle positif d'un égaliseur sont connectés l'un à l'autre et le pôle négatif de la batterie d'accumulateurs monomère et le pôle négatif de l'égaliseur sont connectés l'un à l'autre. La tension de direction positive de l'égaliseur est supérieure à la tension réelle la plus élevée, et inférieure à la tension de charge d'une cellule de batterie individuelle. L'égaliseur est composé d'une résistance R et d'un circuit intégré IC à régulateur shunt. La valeur de résistance de la résistance est de 0,01 W à 2 W, la valeur de régulation de tension standard du régulateur shunt est de 2,2O à 2,40 volts, le courant de fuite de direction positive est inférieur à 50 µA.
PCT/CN2008/001032 2007-05-27 2008-05-27 Batterie d'accumulateurs au plomb à équilibrage d'énergie WO2008145017A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNU2007201098905U CN201066706Y (zh) 2007-05-27 2007-05-27 一种能量平衡铅酸蓄电池
CN200720109890.5 2007-05-27

Publications (1)

Publication Number Publication Date
WO2008145017A1 true WO2008145017A1 (fr) 2008-12-04

Family

ID=39483889

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/001032 WO2008145017A1 (fr) 2007-05-27 2008-05-27 Batterie d'accumulateurs au plomb à équilibrage d'énergie

Country Status (2)

Country Link
CN (1) CN201066706Y (fr)
WO (1) WO2008145017A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3072504A1 (fr) * 2017-10-17 2019-04-19 Blue Solutions Element de stockage d'energie electrique a resistance de fuite integree et module incorporant une pluralite de tels elements
FR3072503A1 (fr) * 2017-10-17 2019-04-19 Blue Solutions Module de stockage d'energie electrique a resistance de fuite integree

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011134234A1 (fr) * 2010-04-28 2011-11-03 浙江绿源电动车有限公司 Dispositif de batterie et dispositif de logement de batterie

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2154538Y (zh) * 1993-02-20 1994-01-26 广州电池厂 组合式可充碱性锌锰电池
JPH06176796A (ja) * 1992-12-02 1994-06-24 N T T Data Tsushin Kk 充電式バッテリ−用放電器
US5982144A (en) * 1997-07-14 1999-11-09 Johnson Research & Development Company, Inc. Rechargeable battery power supply overcharge protection circuit
CN2508409Y (zh) * 2001-09-10 2002-08-28 浙江南都电源动力股份有限公司 铅酸蓄电池组
JP2003289629A (ja) * 2002-03-27 2003-10-10 Mitsubishi Heavy Ind Ltd 蓄電装置の電圧均等化装置及び該装置を備えた電力貯蔵システム
CN1667909A (zh) * 2005-04-05 2005-09-14 苏州星恒电源有限公司 电池均衡方法及电池均衡电路
CN1767246A (zh) * 2005-10-04 2006-05-03 林子进 能量平衡蓄电池
CN1889298A (zh) * 2006-07-24 2007-01-03 林子进 能量平衡蓄电池平衡棒
CN101145606A (zh) * 2007-08-18 2008-03-19 台州正方位电子有限公司 一种能量平衡铅酸蓄电池

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06176796A (ja) * 1992-12-02 1994-06-24 N T T Data Tsushin Kk 充電式バッテリ−用放電器
CN2154538Y (zh) * 1993-02-20 1994-01-26 广州电池厂 组合式可充碱性锌锰电池
US5982144A (en) * 1997-07-14 1999-11-09 Johnson Research & Development Company, Inc. Rechargeable battery power supply overcharge protection circuit
CN2508409Y (zh) * 2001-09-10 2002-08-28 浙江南都电源动力股份有限公司 铅酸蓄电池组
JP2003289629A (ja) * 2002-03-27 2003-10-10 Mitsubishi Heavy Ind Ltd 蓄電装置の電圧均等化装置及び該装置を備えた電力貯蔵システム
CN1667909A (zh) * 2005-04-05 2005-09-14 苏州星恒电源有限公司 电池均衡方法及电池均衡电路
CN1767246A (zh) * 2005-10-04 2006-05-03 林子进 能量平衡蓄电池
CN1889298A (zh) * 2006-07-24 2007-01-03 林子进 能量平衡蓄电池平衡棒
CN101145606A (zh) * 2007-08-18 2008-03-19 台州正方位电子有限公司 一种能量平衡铅酸蓄电池

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3072504A1 (fr) * 2017-10-17 2019-04-19 Blue Solutions Element de stockage d'energie electrique a resistance de fuite integree et module incorporant une pluralite de tels elements
FR3072503A1 (fr) * 2017-10-17 2019-04-19 Blue Solutions Module de stockage d'energie electrique a resistance de fuite integree
WO2019077245A1 (fr) * 2017-10-17 2019-04-25 Blue Solutions Module de stockage d'énergie électrique à résistance de fuite intégrée
WO2019077244A1 (fr) * 2017-10-17 2019-04-25 Blue Solutions Elément de stockage d'énergie électrique à résistance de fuite intégrée et module incorporant une pluralité de tels éléments

Also Published As

Publication number Publication date
CN201066706Y (zh) 2008-05-28

Similar Documents

Publication Publication Date Title
CN2711747Y (zh) 可充电电池监控及平衡电路
CN106300545B (zh) 一种用于液态金属电池的主动均衡控制装置及控制方法
WO2013097273A1 (fr) Procédé et système pour égaliser et aligner des batteries secondaires au lithium
CN107607874A (zh) 快速充/放电锂离子电池的三点式筛选方法
WO2010034179A1 (fr) Procédé de chargement rapide
CN102208703B (zh) 一种蓄电池充电方法
CN102136613B (zh) 阀控式铅酸蓄电池的均衡充电方法
CN100401575C (zh) 用于不间断电源的电池充电管理装置及充电方法
CN101752624A (zh) 一种电池均衡充电方法及装置
CN206742907U (zh) 一种全智能化钛酸锂电池组管理系统
CN112327180A (zh) 一种锂离子电池自放电评价及其电压均衡调节方法
CN103997108A (zh) 一种电动汽车铅酸蓄电池充电器
CN108134146B (zh) 管式铅酸蓄电池的全寿命充电方法
CN1655419A (zh) 蓄电池快/慢充电控制方法
CN107359658A (zh) 一种用于磷酸铁锂电池组的复合稳压电路
CN104852423A (zh) 一种充电均衡控制电路、电池组充电管理系统及方法
CN102723762A (zh) 一种锂离子蓄电池化成电路
JP2009212038A (ja) 鉛蓄電池の電槽化成方法
CN103633705B (zh) 在充电时通过放电方式精确获取电池电压的终端和方法
WO2008145017A1 (fr) Batterie d'accumulateurs au plomb à équilibrage d'énergie
CN102130368B (zh) 阀控式铅酸蓄电池的预热充电方法
CN201138676Y (zh) 十串锂离子电池组保护线路板均衡控制模块
CN106921182A (zh) 一种提高液流电池电堆电压一致性的装置及方法
CN102856603B (zh) 可避免低温充电失水的阀控式铅酸蓄电池的预热充电方法
CN101145606A (zh) 一种能量平衡铅酸蓄电池

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: 08757363

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: 08757363

Country of ref document: EP

Kind code of ref document: A1