CN208284583U - A kind of low internal resistance heavy-duty battery - Google Patents

A kind of low internal resistance heavy-duty battery Download PDF

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Publication number
CN208284583U
CN208284583U CN201820668535.XU CN201820668535U CN208284583U CN 208284583 U CN208284583 U CN 208284583U CN 201820668535 U CN201820668535 U CN 201820668535U CN 208284583 U CN208284583 U CN 208284583U
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CN
China
Prior art keywords
negative electrode
grid line
internal resistance
positive plate
electrode tab
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.)
Expired - Fee Related
Application number
CN201820668535.XU
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Chinese (zh)
Inventor
吴金坤
石春阳
吴敏吉
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Jiaxing High Power Supply Technology Co Ltd
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Jiaxing High Power Supply Technology Co Ltd
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Priority to CN201820668535.XU priority Critical patent/CN208284583U/en
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Publication of CN208284583U publication Critical patent/CN208284583U/en
Expired - Fee Related legal-status Critical Current
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The utility model discloses a kind of low internal resistance heavy-duty batteries, including battery body, described battery body one end is equipped with Positive Poles and negative pole, and negative pole is located at Positive Poles side, the battery body includes positive plate and negative electrode tab, the positive plate upper end is equipped with No.1 diaphragm, the negative electrode tab lower end is equipped with No. two diaphragms, described positive plate one end is equipped with anode ear, described negative electrode tab one end is equipped with negative electrode lug, the positive plate and negative electrode tab surface longitudinal are distributed with main gate line, the positive plate and negative electrode tab surface are laterally distributed with secondary grid line, the anti-breaking grid line of the pair grid line interval vertical distribution.The utility model design structure is simple, easy to make, without increasing technique, and the internal resistance of core itself can be effectively reduced, and further decreases the internal resistance of lithium ion battery, improvement cycle performance of lithium ion battery is poor, the disadvantage of consistency difference.

Description

A kind of low internal resistance heavy-duty battery
Technical field
The utility model relates to battery technology field, in particular to a kind of low internal resistance heavy-duty battery.
Background technique
Lithium ion battery refers to the general name with lithium ion inlaid scheme for positive material cell, with energy density Greatly, average output voltage is high, and self discharge is small, and without memory effect, cycle performance is superior, the characteristics of can be quickly charged and discharged, and Lithium ion battery output power, long service life, without environmental pollution, referred to as green battery.In the application of secondary cell In, lithium ion battery extends to electric tool, large-scale energy storage and power battery field from communications industry, with lithium-ion electric Pond application field it is continuous expand, market scope is growing, the production cost and safety problem of lithium ion battery become head Consider the problems of.
Currently, the core of lithium ion battery is mainly the takeup type core and stacked core of monopole ear or multi pole ears. Although the takeup type core core of monopole ear or multi pole ears capacity efficiency in winding is high, by core itself tab number and face Product limitation, there are disadvantages in terms of the electrical properties such as low energy ratio, high internal resistance;Although stacked core has the property such as high energy ratio, low internal resistance Can aspect advantage, but there are capacity efficiencies the problems such as foil turns welding electrode ear difficulty great Yi rosin joint when low, number of laminations increases.For This, it is proposed that a kind of low internal resistance heavy-duty battery.
Utility model content
The main purpose of the utility model is to provide a kind of low internal resistance heavy-duty batteries, can effectively solve background technique The problems in.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of low internal resistance heavy-duty battery, including battery body, described battery body one end are equipped with Positive Poles and cathode Pole, and negative pole is located at Positive Poles side, the battery body includes positive plate and negative electrode tab, the positive plate upper end Equipped with No.1 diaphragm, the negative electrode tab lower end is equipped with No. two diaphragms, and described positive plate one end is equipped with anode ear, the negative electrode tab one End is equipped with negative electrode lug, and the positive plate and negative electrode tab surface longitudinal are distributed with main gate line, the positive plate and negative electrode tab surface Laterally it is distributed with secondary grid line, the anti-breaking grid line of the pair grid line interval vertical distribution.
Further, the position of the anode ear is far from negative electrode lug.
Further, a length of 10-15mm of anode ear exposed parts, a length of 10- of negative electrode lug exposed parts 15mm。
Further, described wherein an anti-breaking grid line vertical distribution is at secondary grid line even intervals, another anti-breaking grid Line vertical distribution is in secondary grid line odd number interval.
Further, the main gate line, secondary grid line and anti-breaking grid line are silver paste.
Compared with prior art, the utility model has the following beneficial effects: this kind of low internal resistance heavy-duty battery pass through by Positive plate and negative electrode tab are wrapped up by No.1 diaphragm and No. two diaphragms, so that reducing the internal resistance of lithium ion battery, realize electricity Pond High-current output characteristic, can be improved cell power density energy, by main gate line, secondary grid line and the anti-breaking grid line being equipped with, can mention High current ability to collect reduces series resistance, to improve battery conversion efficiency, the utility model design structure is simple, production It is convenient, without increasing technique, and the internal resistance of core itself can be effectively reduced, further decrease the internal resistance of lithium ion battery, change Kind cycle performance of lithium ion battery is poor, the disadvantage of consistency difference.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the low internal resistance heavy-duty battery of the utility model.
Fig. 2 is the decomposition texture schematic diagram of the low internal resistance heavy-duty battery of the utility model.
Fig. 3 is the positive plate and negative plate structure schematic diagram of the low internal resistance heavy-duty battery of the utility model
In figure: 1, battery body;2, Positive Poles;3, negative pole;4, positive plate;5, negative electrode tab;6, No.1 diaphragm;7, No. two diaphragms;8, anode ear;9, negative electrode lug;10, main gate line;11, secondary grid line;12, anti-breaking grid line.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.
As shown in Figure 1-3, a kind of low internal resistance heavy-duty battery, including battery body 1, described 1 one end of battery body are equipped with Positive Poles 2 and negative pole 3, and negative pole 3 is located at 2 side of Positive Poles, the battery body 1 includes 4 He of positive plate Negative electrode tab 5,4 upper end of positive plate are equipped with No.1 diaphragm 6, and 5 lower end of negative electrode tab is equipped with No. two diaphragms 7, the positive plate 4 One end is equipped with anode ear 8, and described 5 one end of negative electrode tab is equipped with negative electrode lug 9, and the positive plate 4 and 5 surface longitudinal of negative electrode tab are distributed There is main gate line 10, the positive plate 4 and 5 surface of negative electrode tab are laterally distributed with secondary grid line 11, and pair 11 interval of grid line is hung down Directly it is distributed anti-breaking grid line 12.
Wherein, the position of the anode ear 8 is far from negative electrode lug 9.
Wherein, a length of 10-15mm of 8 exposed parts of anode ear, a length of 10-15mm of 9 exposed parts of negative electrode lug.
Wherein, described wherein anti-breaking 12 vertical distribution of grid line is at secondary 11 even intervals of grid line, another anti-breaking grid 12 vertical distribution of line is in secondary 11 odd number interval of grid line.
Wherein, the main gate line 10, secondary grid line 11 and anti-breaking grid line 12 are silver paste.
It should be noted that the utility model is a kind of low internal resistance heavy-duty battery, when work, by by 4 He of positive plate Negative electrode tab 5 is wrapped up by No.1 diaphragm 6 and No. two diaphragms 7, so that reducing the internal resistance of lithium ion battery, realizes the big electricity of battery Output characteristics is flowed, cell power density energy can be improved, by main gate line 10, secondary grid line 11 and the anti-breaking grid line 12 being equipped with, can be mentioned High current ability to collect reduces series resistance, to improve battery conversion efficiency, design structure is simple, easy to make, without increasing Skill is processed, and the internal resistance of core itself can be effectively reduced, further decreases the internal resistance of lithium ion battery, improves lithium ion battery Poor circulation, the disadvantage of consistency difference.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (5)

1. a kind of low internal resistance heavy-duty battery, including battery body (1), it is characterised in that: described battery body (1) one end is equipped with Positive Poles (2) and negative pole (3), and negative pole (3) is located at Positive Poles (2) side, the battery body (1) includes Positive plate (4) and negative electrode tab (5), positive plate (4) upper end are equipped with No.1 diaphragm (6), and negative electrode tab (5) lower end is equipped with two Number diaphragm (7), described positive plate (4) one end are equipped with anode ear (8), and described negative electrode tab (5) one end is equipped with negative electrode lug (9), described Positive plate (4) and negative electrode tab (5) surface longitudinal are distributed with main gate line (10), and the positive plate (4) and negative electrode tab (5) surface are horizontal To being distributed with secondary grid line (11), the pair anti-breaking grid line of grid line (11) interval vertical distribution (12).
2. a kind of low internal resistance heavy-duty battery according to claim 1, it is characterised in that: the position of the anode ear (8) Far from negative electrode lug (9).
3. a kind of low internal resistance heavy-duty battery according to claim 1, it is characterised in that: the exposed portion of the anode ear (8) Divide a length of 10-15mm, a length of 10-15mm of negative electrode lug (9) exposed parts.
4. a kind of low internal resistance heavy-duty battery according to claim 1, it is characterised in that: a wherein anti-breaking grid line (12) vertical distribution is at secondary grid line (11) even intervals, and another anti-breaking grid line (12) vertical distribution is in secondary grid line (11) odd number Interval.
5. a kind of low internal resistance heavy-duty battery according to claim 1, it is characterised in that: the main gate line (10), secondary grid Line (11) and anti-breaking grid line (12) are silver paste.
CN201820668535.XU 2018-05-07 2018-05-07 A kind of low internal resistance heavy-duty battery Expired - Fee Related CN208284583U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820668535.XU CN208284583U (en) 2018-05-07 2018-05-07 A kind of low internal resistance heavy-duty battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820668535.XU CN208284583U (en) 2018-05-07 2018-05-07 A kind of low internal resistance heavy-duty battery

Publications (1)

Publication Number Publication Date
CN208284583U true CN208284583U (en) 2018-12-25

Family

ID=64728862

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820668535.XU Expired - Fee Related CN208284583U (en) 2018-05-07 2018-05-07 A kind of low internal resistance heavy-duty battery

Country Status (1)

Country Link
CN (1) CN208284583U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181225

Termination date: 20190507

CF01 Termination of patent right due to non-payment of annual fee