CN104078715A - Device for detecting electrode potential of electrode plate of battery - Google Patents
Device for detecting electrode potential of electrode plate of battery Download PDFInfo
- Publication number
- CN104078715A CN104078715A CN201410304260.8A CN201410304260A CN104078715A CN 104078715 A CN104078715 A CN 104078715A CN 201410304260 A CN201410304260 A CN 201410304260A CN 104078715 A CN104078715 A CN 104078715A
- Authority
- CN
- China
- Prior art keywords
- battery
- salt bridge
- mesuring battary
- electrode
- reference 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.)
- Pending
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Classifications
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- 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
- H01M10/4285—Testing apparatus
-
- 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
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Abstract
The invention discloses a device for detecting the electrode potential of an electrode plate of a battery. A through hole is formed in a middle cover of a battery to be tested, one end of a salt bridge penetrates through the through hole to be immersed into electrolyte of the battery to be tested, the other end of the salt bridge is dipped in a sulfuric acid electrolyte container, the positive voltage line and the negative voltage line of a first acquisition line of a charging-discharging motor are connected with the positive electrode and a reference electrode of the battery to be tested respectively, and the positive voltage line and the negative voltage line of a second acquisition line of the charging-discharging motor are connected with the reference electrode and the negative electrode of the battery to be tested. The device adopts the salt bridge to be communicated with a testing circuit, the salt bridge is of an inverted U shape and can be inserted into the electrolyte of the battery through the through hole formed in the middle cover, a problem that the electrode plate of the battery is damaged when the side surface of a shell is perforated is solved, the structure is simple, the detection safety coefficient and the data accuracy are improved, and the accuracy of analyzing the reasons of capacity reduction and fault occurrence of a spent battery is improved.
Description
Technical field
The present invention relates to storage battery and manufacture field, be specifically related to a kind of device that detects battery pole plates electrode potential.
Technical field
Experimental cell is in the time carrying out cycle life test, and most of battery is because 1-2 single lattice battery backwardness causes whole battery capacity decline to cause cycle life to stop in battery pack.Want further to determine to be that positive plate or negative plate go wrong and often need to lodge reference electrode and measure the current potential of both positive and negative polarity electrode, judge the quality condition of battery positive/negative plate in charge and discharge process according to its relative value, analyze the reason of battery capacity and fault generation with this find problem pole plate.Present analysis falls behind single lattice to be needed first dead battery to be carried out to single lattice defect test, find out backward single lattice then punch with electric drill on the shell wall of these single lattice, an another standby empty container again, above container, equally also to punch, and position and the battery container in hole are contour, then by solid by AB rubber seal to container and backward single lattice battery, in container, pack the electrolyte identical with inside battery concentration into, electrolyte is communicated with inside battery by two holes, then in container, insert reference electrode and can start test.The thickness of general vehicle using motor battery shell wall is 4-5mm, punch very difficult, and are the 2nd and the 5th single lattice if fall behind single lattice, on close battery shell wall limit, be negative plate, fragile negative plate when punching; If falling behind single lattice is other single lattice, near battery shell wall be the utmost point group that positive and negative plate replaces, punching exert oneself excessive also can damage positive and negative plate cause short circuit (single grillages order described here be from anode start to be designated as the 1st single lattice successively to negative pole be the 6th single lattice).Therefore, existing mode operation easier is too large, and inconvenience can damage battery pole plates.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of device that detects battery pole plates electrode potential, adopts salt bridge ditch circuit passband, keeps charge balance, and simple in structure, punching convenience, can not damage battery pole plates.
The present invention is achieved through the following technical solutions:
Detect the device of battery pole plates electrode potential, comprise the single lattice mesuring battary in batteries, the reference electrode that cadmium or mereurous sulfate are made, reference electrode inserts and fills in the container of sulfuric acid electrolyte, also comprise a charge-discharge machine, on charge-discharge machine, be equipped with first, second gathers line, it is characterized in that: in described mesuring battary, cover and be provided with through hole, submerge in the electrolyte of mesuring battary through described through hole in one end of salt bridge, the other end of salt bridge is immersed in the container that fills sulfuric acid electrolyte, charge-discharge machine just, negative power line respectively with mesuring battary just, negative pole is connected, first of charge-discharge machine is just gathering line, negative pressure line respectively with the positive pole of mesuring battary, reference electrode connects, second of charge-discharge machine is just gathering line, negative pressure line respectively with reference electrode, the negative pole of mesuring battary connects.
The further improvement project of the present invention is that described sulfuric acid electrolyte is identical with the density of electrolyte in mesuring battary.
Further improvement of the present invention scheme is, the upper end of described reference electrode is provided with wire, and the end of wire is provided with first, second and gathers two joints that line is connected.
Further improvement of the present invention scheme is that described salt bridge is agar-saturated potassium nitrate salt bridge, covers between the through hole of offering with the sealing of AB glue in salt bridge and mesuring battary.
Compared to the prior art, the present invention has the following advantages:
The present invention adopts salt bridge to link up test circuit, salt bridge is the shape of falling u, the through hole of offering from middle cover just can insert the electrolyte of battery, avoid damaging while punching from housing side the problem of battery pole plates, simple in structure, improve the coefficient of safety height of detection and the accuracy of data, improve the reason that analysis dead battery capacity loss and fault occur.
Brief description of the drawings
Fig. 1 is the not wired device schematic diagram of the present invention.
Fig. 2 is winding diagram of the present invention.
Embodiment
As Fig. 1, shown in 2, detect the device of battery pole plates electrode potential, comprise the single lattice mesuring battary 1 in batteries, the reference electrode 2 that cadmium or mereurous sulfate are made, reference electrode 2 inserts and fills in the container 3 of sulfuric acid electrolyte, also comprise a charge-discharge machine 4, on charge-discharge machine 4, be equipped with first, second gathers line 41, 42, the middle cover 11 of mesuring battary 1 is provided with through hole, submerge in the electrolyte of mesuring battary 1 through described through hole in one end of salt bridge 5, the other end of salt bridge 5 is immersed in the container 3 that fills sulfuric acid electrolyte, charge-discharge machine 4 just, negative power line 43 respectively with mesuring battary 1 just, negative pole is connected, first of charge-discharge machine 4 is just gathering line 41, negative pressure line respectively with the positive pole of mesuring battary 1, reference electrode 2 connects, second of charge-discharge machine 4 is just gathering line 42, negative pressure line respectively with reference electrode 2, the negative pole of mesuring battary 1 connects.
In the present embodiment, sulfuric acid electrolyte is identical with the density of electrolyte in mesuring battary 1, the upper end of described reference electrode 2 is provided with wire 21, the end of wire 21 is provided with first, second and gathers two joints 6 that line 41,42 is connected, described salt bridge 5 is agar-saturated potassium nitrate salt bridge, between the through hole of offering, seals with AB glue on salt bridge 5 and mesuring battary 1 middle cover 11.
Claims (4)
1. detect the device of battery pole plates electrode potential, comprise the single lattice mesuring battary (1) in batteries, the reference electrode (2) that cadmium or mereurous sulfate are made, reference electrode (2) inserts and fills in the container (3) of sulfuric acid electrolyte, also comprise a charge-discharge machine (4), charge-discharge machine is equipped with first on (4), second gathers line (41, 42), it is characterized in that: the middle cover (11) of described mesuring battary (1) is provided with through hole, submerge in the electrolyte of mesuring battary (1) through described through hole in one end of salt bridge (5), the other end of salt bridge (5) is immersed in the container (3) that fills sulfuric acid electrolyte, charge-discharge machine (4) just, negative power line (43) respectively with mesuring battary (1) just, negative pole is connected, first of charge-discharge machine (4) is just gathering line (41), negative pressure line respectively with the positive pole of mesuring battary (1), reference electrode (2) connects, second of charge-discharge machine (4) is just gathering line (42), negative pressure line respectively with reference electrode (2), the negative pole of mesuring battary (1) connects.
2. the device of detection battery pole plates electrode potential as claimed in claim 1, is characterized in that: described sulfuric acid electrolyte is identical with the density of electrolyte in mesuring battary (1).
3. the device of detection battery pole plates electrode potential as claimed in claim 1, it is characterized in that: the upper end of described reference electrode (2) is provided with wire (21), the end of wire (21) is provided with first, second and gathers two joints (6) that line (41,42) is connected.
4. the device of detection battery pole plates electrode potential as claimed in claim 1, is characterized in that: described salt bridge (5) is agar-saturated potassium nitrate salt bridge, between the through hole of offering, seals with AB glue on salt bridge (5) and mesuring battary (1) middle cover (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410304260.8A CN104078715A (en) | 2014-06-30 | 2014-06-30 | Device for detecting electrode potential of electrode plate of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410304260.8A CN104078715A (en) | 2014-06-30 | 2014-06-30 | Device for detecting electrode potential of electrode plate of battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104078715A true CN104078715A (en) | 2014-10-01 |
Family
ID=51599846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410304260.8A Pending CN104078715A (en) | 2014-06-30 | 2014-06-30 | Device for detecting electrode potential of electrode plate of battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104078715A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391159A (en) * | 2014-10-27 | 2015-03-04 | 清华大学 | Method and system for detecting single electrode potential of battery |
| CN116973783A (en) * | 2023-09-22 | 2023-10-31 | 山东金科力电源科技有限公司 | Polar plate in-situ current potential measurement method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5971272A (en) * | 1982-10-13 | 1984-04-21 | Japan Storage Battery Co Ltd | Reference electrode for lead storage battery |
| CN101803105A (en) * | 2007-09-18 | 2010-08-11 | 丰田自动车株式会社 | Secondary battery state detecting device |
| JP2013140690A (en) * | 2011-12-28 | 2013-07-18 | Gs Yuasa Corp | Negative electrode charge reserve amount estimation device of nonaqueous electrolyte secondary battery, negative electrode charge reserve amount estimation method, power storage system and battery pack |
| CN203932251U (en) * | 2014-06-30 | 2014-11-05 | 天能集团江苏科技有限公司 | Detect the device of battery pole plates electrode potential |
-
2014
- 2014-06-30 CN CN201410304260.8A patent/CN104078715A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5971272A (en) * | 1982-10-13 | 1984-04-21 | Japan Storage Battery Co Ltd | Reference electrode for lead storage battery |
| CN101803105A (en) * | 2007-09-18 | 2010-08-11 | 丰田自动车株式会社 | Secondary battery state detecting device |
| JP2013140690A (en) * | 2011-12-28 | 2013-07-18 | Gs Yuasa Corp | Negative electrode charge reserve amount estimation device of nonaqueous electrolyte secondary battery, negative electrode charge reserve amount estimation method, power storage system and battery pack |
| CN203932251U (en) * | 2014-06-30 | 2014-11-05 | 天能集团江苏科技有限公司 | Detect the device of battery pole plates electrode potential |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391159A (en) * | 2014-10-27 | 2015-03-04 | 清华大学 | Method and system for detecting single electrode potential of battery |
| CN116973783A (en) * | 2023-09-22 | 2023-10-31 | 山东金科力电源科技有限公司 | Polar plate in-situ current potential measurement method |
| CN116973783B (en) * | 2023-09-22 | 2023-12-12 | 山东金科力电源科技有限公司 | Polar plate in-situ current potential measurement method |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20141001 |