CN1909267A - Button cell positive plate - Google Patents

Button cell positive plate Download PDF

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Publication number
CN1909267A
CN1909267A CN 200610109079 CN200610109079A CN1909267A CN 1909267 A CN1909267 A CN 1909267A CN 200610109079 CN200610109079 CN 200610109079 CN 200610109079 A CN200610109079 A CN 200610109079A CN 1909267 A CN1909267 A CN 1909267A
Authority
CN
China
Prior art keywords
positive plate
button cell
starting point
conductive stud
collecting net
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.)
Granted
Application number
CN 200610109079
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Chinese (zh)
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CN100521300C (en
Inventor
周程林
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.)
Wuhan Lixing Torch Power Sources Co ltd
Original Assignee
ICTA 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 ICTA Ltd filed Critical ICTA Ltd
Priority to CN 200610109079 priority Critical patent/CN100521300C/en
Publication of CN1909267A publication Critical patent/CN1909267A/en
Application granted granted Critical
Publication of CN100521300C publication Critical patent/CN100521300C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • Y02E60/12—

Abstract

The invention relates to a buckle battery positive plate, which comprises a positive plate, wherein one or two end surfaces of positive plate are arranged with conductive protrusion; when contacting the positive frame, the positive plate and the positive frame will form point contact, to improve the contact property, and confirm better contact between them, with the consumption of material, to confirm the discharge property of battery.

Description

Button cell positive plate
Technical field
The invention belongs to button cell, be specifically related to the positive plate in the button cell.
Background technology
Two end faces of the positive plate of button cell all are flat at present.It contacts with anode cover by end face in battery, i.e. face contact.This contact structures directly influence the discharge performance of battery: in the battery use, along with the consumption of material, the contact of positive plate and anode cover is variation gradually, reduces the discharge performance of battery, makes that the discharge capability in the battery can not get fully playing.
Summary of the invention
The object of the present invention is to provide a kind of discharge performance that improves, have the button cell positive plate of a contact, overcoming above-mentioned defective.
Technical scheme of the present invention is: button cell positive plate, it comprises positive plate, is provided with the conductive stud starting point on one or two end face surface of positive plate.
On the end face surface of button cell positive plate, establish the conductive stud starting point, when contacting with anode cover, positive plate forms point with anode cover and contacts, the conductive stud starting point can be born certain pressure, it has not only improved the contact performance of positive plate and anode cover, guarantee simultaneously in the battery use, consumption along with material, keep excellent contact between positive plate and the anode cover, thereby guarantee the discharge performance of battery, promptly under the situation of other parts that do not change battery, can prolong the discharge time of battery greatly.
Description of drawings
Fig. 1 button cell positive plate structural representation
Fig. 2 button cell positive plate schematic top plan view
Embodiment
Button cell positive plate of the present invention is applicable to the positive plate of various button cells and contacting of anode cover; One or two end face surface of positive plate is provided with the conductive stud starting point, and single conductive stud starting point can be located at the center of positive plate and/or positive plate; A plurality of conductive stud starting points evenly are located on positive plate and/or the positive plate currect collecting net.The conductive stud starting point can be positive plate and currect collecting net overall convex starting point.This practicality is that example is illustrated with the li-Mn button cell:
As shown in Figure 1, the positive plate of li-Mn button cell is a manganese dioxide 1, and an end face of positive plate 1 adheres to currect collecting net 2, and conductive stud starting point 3 is located on the currect collecting net 2.Conductive stud starting point 3 can be two interconnective parts with currect collecting net 2, also can be a part, and promptly conductive stud starting point 3 is parts of currect collecting net 2, promptly directly processes raised points on currect collecting net 2.The quantity of conductive stud starting point 3 at least one.Having established four conductive stud starting points in the present embodiment evenly is located on the currect collecting net 2, as shown in Figure 2.The conductive stud starting point also can be the overall convex starting point of manganese dioxide 1 and currect collecting net 2.
Other parts at battery do not have under the condition of variation, through above-mentioned improved button cell with without detecting the discharge time of above-mentioned improved button cell:
The battery of nominal 3V carries out discharge examination such as following table at 1.5 kilo-ohms permanent resistance:
Discharge time (hour)
Battery marshalling number 1/7 2/8 3/9 4/10 5/11 6/12
Improved button cell 118 118 119.3 109.6 115.6 117.1
Not improved button cell 83 108 83 90 97.5 91
Above-mentioned detection is learnt: be the average discharge time of the battery after the improvement: 116.3 hours, be 92 hours the battery average discharge time before improving; Obviously very good through above-mentioned improved effect.

Claims (5)

1, a kind of button cell positive plate, it comprises positive plate, it is characterized in that one or two end face surface of positive plate is provided with the conductive stud starting point.
2, button cell positive plate according to claim 1 is characterized in that an end face of described positive plate adheres to currect collecting net, and described conductive stud starting point is located on the currect collecting net.
3, as button cell positive plate as described in the claim 2, it is characterized in that described conductive stud starting point is the part of currect collecting net.
4, as button cell positive plate as described in the claim 2, it is characterized in that described conductive stud starting point is positive plate and currect collecting net overall convex starting point.
5, as any button cell positive plate as described in the claim 1～4, it is characterized in that the conductive stud starting point evenly is located at positive plate and/or positive plate currect collecting net.
CN 200610109079 2006-07-28 2006-07-28 Button cell positive plate Active CN100521300C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200610109079 CN100521300C (en) 2006-07-28 2006-07-28 Button cell positive plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200610109079 CN100521300C (en) 2006-07-28 2006-07-28 Button cell positive plate

Publications (2)

Publication Number Publication Date
CN1909267A true CN1909267A (en) 2007-02-07
CN100521300C CN100521300C (en) 2009-07-29

Family

ID=37700298

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200610109079 Active CN100521300C (en) 2006-07-28 2006-07-28 Button cell positive plate

Country Status (1)

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CN (1) CN100521300C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107403904A (en) * 2016-05-18 2017-11-28 宁德时代新能源科技股份有限公司 Lithium ion battery and negative plate thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107403904A (en) * 2016-05-18 2017-11-28 宁德时代新能源科技股份有限公司 Lithium ion battery and negative plate thereof
CN107403904B (en) * 2016-05-18 2020-03-27 宁德时代新能源科技股份有限公司 Lithium ion battery and negative plate thereof

Also Published As

Publication number Publication date
CN100521300C (en) 2009-07-29

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Owner name: WUHAN LISUN (HUOJU) POWER SOURCE CO., LTD.

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