CN1560934A - Plate-shape battery and portable radio terminal - Google Patents
Plate-shape battery and portable radio terminal Download PDFInfo
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- CN1560934A CN1560934A CNA2004100699385A CN200410069938A CN1560934A CN 1560934 A CN1560934 A CN 1560934A CN A2004100699385 A CNA2004100699385 A CN A2004100699385A CN 200410069938 A CN200410069938 A CN 200410069938A CN 1560934 A CN1560934 A CN 1560934A
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- plate battery
- battery
- stacked film
- negative terminal
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- 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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Abstract
A board cell set includes: a generation element sealed and wrapped by a parcel shaped laminated film cover, the positive terminals and negative terminals extending from the center to outside and outboard units including convex platform supports for bolding the positive or negative terminals or receiving recesses of the sealing part of the cover. In addition to that, the electrically conductive outboard unit wraps the cover and is connected with one of the two terminals, the cell set also has a temperature tester connecting to a heat conduction plate.
Description
This case is that application number is dividing an application of 99816569.7 Chinese patent application.
Technical field
The present invention relates to plate battery and portable radio terminal, particularly portable radio terminal such as pocket telephone or notebook computer plate battery that uses and the portable radio terminal that uses this plate battery.
Background technology
In recent years, along with popularizing of portable radio terminals such as pocket telephone or notebook computer, also deepening continuously for the research of the employed plate battery of these wireless terminals.
Perspective view shown in Figure 30 for existing plate battery.As shown in figure 30, when plate battery 300 was loaded on portable radio terminal, plate battery 300 was installed on the support plate 320.Plate battery 300 is made of stacked film 302, battery 311, positive terminal 312 and negative terminal 313.Battery 311 is hidden by stacked film 302.Battery 311 is connected on electric with negative terminal 313 with positive terminal 312.
Stacked film 302 hides the part of positive terminal 312 and the part of negative terminal 313.The mutual crimping in the marginal portion of stacked film 302 forms electrode mouth-sealed portion 302f, mouth-sealed portion 302d and mouth-sealed portion 302e.Stacked film 302 is a three-decker: resin bed, aluminium foil, resin bed.
Stacked film 302 also seals positive terminal 312 and negative terminal 313 in electrode mouth-sealed portion 302f clamping.Electrode mouth-sealed portion 302f extends to form in one direction.Mouth-sealed portion 302d with the direction of the bearing of trend approximate vertical of electrode mouth-sealed portion 302f on extend to form.Mouth-sealed portion 302d extends to form along battery 311.Mouth-sealed portion 302d contacts with support plates 320.Mouth-sealed portion 302e with the direction of mouth-sealed portion 302f almost parallel on extend to form.By above-mentioned electrode mouth-sealed portion 302f, mouth-sealed portion 302d and mouth-sealed portion 302e, can prevent that electrolyte in the battery 311 is to external leakage.
The part that the not stacked film 302 of positive terminal 312 and negative terminal 313 hides and is connected on the circuit board of pocket telephone or notebook computer etc. is electric.
Figure 31 is along the XXXI-XXXI line side cross sectional view among Figure 30.As shown in figure 31, plate battery 300 is shelved on the support plate 320.Support plate 320 and plate battery 300, as shown in figure 30,302d contacts by mouth-sealed portion.Owing in profile shown in Figure 31, do not express mouth-sealed portion 302d, thus in Figure 31 plate battery 300 as float over support plate 320 above.Stacked film 302 is made of resin bed 302a and 302c and aluminium foil 302b.Positive terminal 312 stretches out from electrode mouth-sealed portion 302f.In order to allow plate battery 300, contact with positive terminal 312 by contact plug to the pocket telephone power supply.Therefore be added on the direction of the active force on the positive terminal 312, shown in arrow among the figure 330.
Figure 32 is along the XXXII-XXXII line side cross sectional view among Figure 30.Shown in figure 32, plate battery 300 is shelved on the support plate 320.Stacked film 302 wraps battery 311.The mouth-sealed portion 302d of plate battery 300 directly contacts with support plate 320.Mouth-sealed portion 302d place is the iterative structure that is formed by stacked on top of one another film 302, so the stacked film 302 of this part is thicker.As a result, have only this mouth-sealed portion 302d to contact with support plates 320, other parts then directly do not contact with support plate 302.The height of 311 end faces is H from support plate 320 to plate battery
1(=0.5～6.0mm).
In recent years, along with miniaturization, the lightweight of pocket telephone, the plate battery that is used for pocket telephone also become more and more miniaturization, lightweight.For this reason, adopt the material of the aluminium alloy of lightweight, make plate battery become thinner as positive terminal 312 and negative terminal 313.Therefore, as shown in figure 31, as applying active force for positive terminal 312, just positive terminal 312 can be crooked along arrow 330 directions.In case positive terminal 312 bendings will be difficult to fine realization with the contact of other terminals such as contact plug that are used for contacting with positive terminal 312, thereby produce the problem of loose contact.
In addition, shown in figure 32, owing to have only mouth-sealed portion 302d place to contact between the stacked film 302 calcaneus branches boards, the position of stacked film 302 is also unstable, also has the excessive problem of plate battery 300 thickness that makes simultaneously.
The present invention conceives in order to address the above problem.One of purpose of the present invention, plate battery and the portable radio terminal can reliably to determine the electrode terminal position in order providing, not have loose contact to take place.
Two of purpose of the present invention is plate battery and the portable radio terminals that can reliably determine covering member position and possible miniaturization in order to provide.
Summary of the invention
According to the plate battery of one aspect of the invention, comprise positive terminal, negative terminal, covering member and supporting member.Positive terminal is connected with the generating element that produces electric power with negative terminal, from protruding near the generating element center.Covering member seals generating element, forms the parcel shape.Supporting member is in order to support outwardly directed positive terminal of self power generation element or negative terminal.
In the plate battery of this structure, be provided with supporting member, so the position of positive terminal or negative terminal is determined accurately in order to supporting positive terminal or negative terminal.Thus, even there is the active force of the contact plug that contacts with positive terminal or negative terminal, it is crooked that positive terminal or negative terminal also are unlikely to.Thereby, just might provide not can with the reliable plate battery of the height of contact plug loose contact.
Better is that supporting member comprises Temperature Detector.For heat is delivered to Temperature Detector from generating element, disposed the heat transfer piece that is connected with Temperature Detector with covering member on the plate battery.At this moment, use, need not to increase parts and just can form supporting member because Temperature Detector can be used as supporting member again.
In addition, supporting member can be in the surface and the whole formation of exterior component of exterior component.At this moment, because exterior component uses as supporting member again, need not to increase parts and just can form supporting member.
Better is further to dispose the conduction exterior component that hides covering member to plate battery.At this moment, because exterior component has conductivity, can play electromagnetic shielding action to generating element.Thereby can provide the reliability that high-frequency current in the portable radio terminal is not exerted an influence higher plate battery.
In addition, preferably allow exterior component be communicated with on any terminal in positive terminal and the negative terminal is electric.At this moment, exterior component is idiostatic with one in positive terminal and the negative terminal just, and its current potential can be maintained fixed.Thereby can improve the effectiveness of exterior component, further improve the reliability of plate battery.
According to the portable radio terminal of one aspect of the invention, use above-mentioned plate battery.At this moment, owing to adopt the plate battery that accurately to determine positive terminal or negative terminal position, can provide and plate battery not take place with the loose contact between the circuit board, highly reliable portable radio terminal.
According to the plate battery of another aspect of the present invention, comprise covering member and exterior component.Covering member will produce the generating element sealing of electric power.The part of covering member is built up mouth-sealed portion with another part, and covering member is the parcel shape.Exterior component has in order to admit the groove of mouth-sealed portion.
On the plate battery of this structure, because have groove, mouth-sealed portion can embed groove.For this reason, can determine the position of covering member by groove.And because mouth-sealed portion embeds groove, the plate battery that does not embed groove with mouth-sealed portion is compared, and can make more miniaturization of battery.
Better is to make exterior component have conductivity, and covering member is wrapped.At this moment, because exterior component has conductivity and covering member wrapped, so exterior component can play electromagnetic shielding action to generating element.Therefore, generating element can not produce modulation to the high-frequency current on the portable radio terminal circuit board, and the reliability of plate battery is further improved.
In addition, preferably allow exterior component be communicated with on any terminal in positive terminal and the negative terminal is electric.At this moment, exterior component just with positive terminal and negative terminal in one idiostatic, its current potential can be maintained fixed.By and, can improve above-mentioned effectiveness, and then improve the reliability of plate battery.
In addition, preferably allow positive terminal and negative terminal from protruding near the center of generating element.And configuration is in order to support outwardly directed positive terminal or negative terminal supporting member on plate battery.At this moment, because positive terminal or negative terminal can be determined the position of positive terminal and negative terminal by the supporting member support.Thus, even there is the active force of the contact plug that contacts with positive terminal or negative terminal, it is crooked that positive terminal or negative terminal also are unlikely to.As a result, can make positive terminal or negative terminal more reliable, thereby the plate battery of high reliability can be provided with electrically contacting of other terminals.
According to the portable radio terminal of another aspect of the present invention, adopt above-mentioned plate battery.At this moment, owing to used its covering member position by groove plate battery that determine, miniaturization, so, can make portable radio terminal highly reliable, miniaturization.
Description of drawings
Figure 1A is the perspective view according to the band portion section of the plate battery of the embodiment of the invention 1.
Figure 1B is the perspective view of performance according to the plate battery internal structure of the embodiment of the invention 1.
Fig. 2 is along the II-II line side cross sectional view among Figure 1A.
Fig. 3 is the cutaway view according to the plate battery of the embodiment of the invention 2.
Fig. 4 is the cutaway view according to the plate battery of the embodiment of the invention 3.
Fig. 5 is the cutaway view according to the plate battery of the embodiment of the invention 4.
Fig. 6 is the cutaway view according to the plate battery of the embodiment of the invention 5.
Fig. 7 is the cutaway view according to the plate battery of the embodiment of the invention 6.
Fig. 8 is the cutaway view according to the plate battery of the embodiment of the invention 7.
Fig. 9 is the cutaway view according to the plate battery of the embodiment of the invention 8.
Figure 10 is the cutaway view according to the plate battery of the embodiment of the invention 9.
Figure 11 is the cutaway view according to the plate battery of the embodiment of the invention 10.
Figure 12 is the cutaway view according to the pocket telephone of the embodiment of the invention 11.
Figure 13 is the perspective view according to the band portion section of the plate battery of the embodiment of the invention 12.
Figure 14 is along the XIV-XIV line side cross sectional view among Figure 13.
Figure 15 is the cutaway view according to the plate battery of the embodiment of the invention 13.
Figure 16 is the cutaway view according to the plate battery of the embodiment of the invention 14.
Figure 17 is the cutaway view according to the plate battery of the embodiment of the invention 15.
Figure 18 is the cutaway view according to the plate battery of the embodiment of the invention 16.
Figure 19 is the cutaway view according to the plate battery of the embodiment of the invention 17.
Figure 20 is the cutaway view according to the plate battery of the embodiment of the invention 18.
Figure 21 is the cutaway view according to the plate battery of the embodiment of the invention 19.
Figure 22 is the cutaway view according to the plate battery of the embodiment of the invention 20.
Figure 23 is the cutaway view according to the plate battery of the embodiment of the invention 21.
Figure 24 is the cutaway view according to the plate battery of the embodiment of the invention 22.
Figure 25 is the cutaway view according to the plate battery of the embodiment of the invention 23.
Figure 26 is the cutaway view according to the plate battery of the embodiment of the invention 24.
Figure 27 A is the perspective view according to the band portion section of the plate battery of the embodiment of the invention 25.
Figure 27 B is the perspective view of performance according to the plate battery internal structure of the embodiment of the invention 25.
Figure 28 is along the XXVIII-XXVIII line side cross sectional view among Figure 27 A.
Figure 29 is along the XXIX-XXIX line side cross sectional view among Figure 27 A.
Figure 30 is the perspective view of prior art plate battery.
Figure 31 is along the XXXI-XXXI line side cross sectional view among Figure 30.
Figure 32 is along the XXXII-XXXII line side cross sectional view among Figure 30.
Embodiment
Below, describe with regard to most preferred embodiment of the present invention with reference to accompanying drawing.
(embodiment 1)
Shown in Figure 1A, have housing 10 according to the plate battery 1a of embodiments of the invention 1.The cuboid of housing 10 for constituting by six planes.Housing 10 is that the wall of the resin bed of 0.3～1.2mm forms by thickness.On the face of this cuboid maximum, form housing window 13.Housing window 13 is the rectangle of length and width 0.5 * 2.5mm.Can see the stacked film 22 that constitutes plate battery 1a from housing window 13.At the boss 15 of the bottom of housing 10 formation as supporting member.Printed circuit board (PCB) 31 is arranged on the boss 15.Boss 15 and housing 10 are overall structure.Also can use the material different to form boss 15 with housing 10.
Shown in Figure 1B, comprise: as the battery 21 of generating element, stacked film 22, positive terminal 24a and 39, negative terminal 23a and 35 and as the housing 10 of exterior component as covering member according to the plate battery 1a of embodiments of the invention 1.
Shelve positive terminal 39 and negative terminal 35 on the printed circuit board (PCB) 31.This positive terminal 39 be connected on positive terminal 24a is electric, and by boss 15 by printed circuit board (PCB) 31 supportings that are clipped between them.Negative terminal 35 be connected on negative terminal 23a is electric, and by printed circuit board (PCB) 31 by boss 15 supportings.Housing window 13 is positioned at the top of positive terminal 39 and negative terminal 35.
On the stacked film 22, form mouth-sealed portion 22d and 22e and electrode mouth-sealed portion 22f.Mouth-sealed portion 22d is positioned at the top of battery 21, is formed by the overlapping crimping of the edges at two ends of a slice stacked film 22.Compression bonding method about stacked film 22 was once considered multiple scheme, and for example the coating sticker is bonding between stacked film 22, perhaps with stacked film 22 heat welded.
Mouth-sealed portion 22e is formed at the rear end of plate battery 1a.Mouth-sealed portion 22e is formed by stacked film 22 mutual crimping up and down.The bearing of trend of mouth-sealed portion 22e is vertical with the bearing of trend of mouth-sealed portion 22d.
At electrode mouth-sealed portion 22f, positive terminal 24a and negative terminal 23a are sealed with two stacked films 22 up and down.The bearing of trend of electrode mouth-sealed portion 22f and the bearing of trend almost parallel of mouth-sealed portion 22e are with the bearing of trend approximate vertical of mouth-sealed portion 22d.Positive terminal 24a and negative terminal 23a by electrode mouth-sealed portion 22f seals stretch out near the direction along mouth-sealed portion 22d battery 21 centers.
As shown in Figure 2, plate electrode 1a has the housing 10 that section is roughly rectangle.Housing 10 is made of upper shell 11 and lower house 12.Upper shell 11 and lower house 12 interconnect.In lower house 12, form via printed circuit board (PCB) 31 supporting negative terminal 23a and 35 boss 15.Boss 15 and lower house 12 whole formation, its material is identical with lower house 12.Upper shell 11 is by lower house 12 supportings.In the upper shell 11, be provided with the housing window 13 that the contact plug for pocket telephone etc. inserts.
Place the member in the housing 10 to comprise: battery 21, stacked film 22, negative terminal 23a and 35, printed circuit board (PCB) 31 and terminal board 34.Resin bed 22a that stacked film 22 is formed by macromolecule resin and the aluminium foil 22b between 22c and this two layers of resin constitute.Stacked film 22 not only can adopt three-decker shown in Figure 2, also can increase the structure of resin bed formation more than four layers.In addition, also can consider to adopt the double-decker that does not have resin bed 22a.
In the rear end of plate battery 1a, stacked film 22 mutual crimping form mouth-sealed portion 22e.
At the front end of plate battery 1a, stacked film 22 mutual crimping formation electrode mouth-sealed portion 22f seals the positive terminal 24a shown in negative terminal 23a and Fig. 1.Mouth-sealed portion 22e and electrode mouth-sealed portion 22f extend to form inwardly from paper.On electrode mouth-sealed portion 22f boss 15 nearby, shelve printed circuit board (PCB) 31.On printed circuit board (PCB) 31, form the lead 32 that is electrically connected with negative terminal 23a with the lead 33 that is connected on negative terminal 35 is electric.Negative terminal 23a stretches out near the center by plate battery 1a, and its end contacts with lead 32 on the printed circuit board (PCB) 31.In addition, on printed circuit board (PCB) 31, shelve terminal board 34.The surface of terminal board 34 is provided with the negative terminal 35 of metal.Be connected on this negative terminal 35 and lead 33 are electric.Be connected on lead 33 and lead 32 are electric.Thus, make negative terminal 35 on electric, be communicated with negative terminal 23a.
In the plate battery 1a of this structure, negative terminal 23a and 35 and positive terminal 24a and 39 via printed circuit board (PCB) 31 by boss 15 supporting, thereby its position is determined reliably.So, even there is active force in order to the contact plug that is electrically connected with negative terminal 35 and positive terminal 39, the position of negative terminal 35 and positive terminal 39 also is unlikely to change.Thereby can provide negative terminal 35 and positive terminal 39 plate battery with loose contact between the contact plug, high reliability can not take place.
(embodiment 2)
As shown in Figure 3, among the plate battery 1b according to embodiments of the invention 2, the structure of boss 17 and negative terminal 23b is different with the plate battery 1a's shown in Fig. 2.Boss 17 is than boss shown in Figure 2 15 height.Negative terminal 23b adopts the structure of lifting up, so that be electrically connected with lead 32.Negative terminal 23b does not directly contact with boss 17.Also stacked film 22 can be extended between boss 17 and the negative terminal 23b.
Printed circuit pulls 31, identical shown in the structure of lead 32 and 33, terminal board 34 and negative terminal 35 and Fig. 2.Because boss 17 is than 15 height of the boss shown in Fig. 2, so the distance between negative terminal 35 and the housing window 13 is littler than the distance between housing window 13 shown in Fig. 2 and the negative terminal 35.In addition, though do not represent among Fig. 3, actual inboard at drawing exists and the identical positive terminal of negative terminal 23b shape.This positive terminal contacts with printed circuit board (PCB) 31, forms terminal board and positive terminal at its front end.
The plate battery 1b of said structure at first has with the identical effect of plate battery 1a described in the embodiment 1.And, owing to the distance between its housing window 13 and the negative terminal 35 has diminished, can reach to make pocket telephone and negative terminal 35 that the more reliable electric effect that contacts be arranged.
(embodiment 3)
As shown in Figure 4, among the plate battery 1c according to embodiments of the invention 3, structure on the boss 15 and different according to the plate battery 1a of embodiments of the invention 1 shown in Fig. 2.Boss 15 is provided with printed circuit board (PCB) 27; In addition, the part of stacked film 22 also is shelved on the boss 15.On printed circuit board (PCB) 27, shelve negative terminal 23a and 25.Housing window 13 is located at negative terminal 25 tops.
In addition, in the plate battery 1c of this structure, has same effect with plate battery 1a shown in Figure 2.And,, can play the effect of simplified structure owing to there is not terminal board 34.
(embodiment 4)
As shown in Figure 5, among the plate battery 1d according to embodiments of the invention 5, lower house 12 is provided with the sheet metal 41 as heat transfer piece.Temperature Detector 42 is set to contact with sheet metal 41.In addition, sheet metal 41 contacts with the resin bed 22a of stacked film 22.As for other structure, plate battery shown in Figure 5 is identical with the structure of plate battery shown in Figure 2.
The plate battery 1d of this structure at first has the same effect of plate battery 1a shown in the embodiment 1.And, because Temperature Detector 42 also plays a part supporting negative terminal 23a and 35, need not increase the function that parts just can be realized supporting especially.
(embodiment 5)
As shown in Figure 6, among the plate battery 1e according to embodiments of the invention 5, electrode mouth-sealed portion 22f is provided with PTC45 (positive temperature coefficient transducer).This PTC45 is connected with negative terminal 23a through lead 46.PTC45 plays temperature detection sensor, and the temperature one of battery 21 is to more than the setting, and the power supply from negative terminal 23a to pocket telephone just is disconnected.
The plate battery 1e of this structure at first has the same effect of plate battery 1a shown in the embodiment 1.And, owing to disposed PCT45, just battery 21 as high temperature occurs and electric current can be disconnected, thus fail safe improved.
(embodiment 6)
As shown in Figure 7, among the plate battery 1f according to embodiments of the invention 6, the upper shell 51 and the lower house 52 that constitute housing 50 are articles made of aluminium alloy, and this point is the difference with embodiment 1 described plate battery 1a.In addition, be formed with the boss of making of aluminium alloy 55 on the lower house 52.Boss 55 and lower house 52 whole formation.Insulation between battery 21 and upper shell 51 and the lower house 52 is kept by stacked film 22.In addition, negative terminal 23a and 53 and upper shell 51 and lower house 52 between insulation keep by printed circuit board (PCB) 31.Housing window 53 is set above negative terminal 35.The shape of housing window 53 is identical with housing window 13.
The plate battery 1f of this structure at first has the same effect of plate battery 1a shown in the embodiment 1.And, all having conductivity owing to constitute the upper shell 51 and the lower house 52 of housing 50,50 pairs of battery 21 of housing have played the effect of electromagnetic shielding.Even thereby this plate battery 1f is located at position near the pocket telephone circuit board, the high-frequency current in the circuit board can be not modulated yet.Thereby further improved the reliability of plate battery.
(embodiment 7)
As shown in Figure 8, among the plate battery 1g according to embodiments of the invention 7, on the printed circuit board (PCB) 31, be provided with simultaneously the lead 32a that contacts with negative terminal 23a with boss 55, this point is different with the plate battery 1f of boss 55 discontiguous embodiment 6 with its lead 32 shown in Figure 7.Because this structure among the plate battery 1g, constitutes the upper shell 51 of housing 50 and the current potential of lower house 52 and follows the current potential of negative terminal 23a identical, is substantially maintained fixed.
The plate battery 1g of this structure at first has the same effect of plate battery 1f of embodiment shown in Figure 76.And because upper shell 51 has the identical current potential with negative terminal 23a with lower house 52, its current potential is maintained fixed.Even thereby there is capacitive coupling in upper shell 51 and lower house 52 with the circuit board of pocket telephone, because the current potential of upper shell 51 and lower house 52 is maintained fixed the also unlikely change that causes the circuit board current potential.Consequently formed the plate battery of the modulated high reliability of the high-frequency current in the circuit board.
(embodiment 8)
As shown in Figure 9, among the plate battery 1h according to embodiments of the invention 8, the structure of boss 55 is with the difference of plate battery 1f shown in Figure 7.Shelve printed circuit board (PCB) 27 on the boss 55.Printed circuit board (PCB) 27 is provided with the negative terminal 23c of " L " shape.Negative terminal 23c and battery 21 are electrically connected.Negative pole electronics 23c is provided with the negative terminal 25 in order to contact with contact plug.Negative terminal 23c catches up with housing 51 contacts through pad 28.Thereby the current potential of the current potential of upper shell 51 and lower house 52 and negative terminal 23c keeps equating, thereby makes the current potential almost fixed of upper shell 51 and lower house 52.
The plate battery 1h of this structure at first has the same effect of plate battery 1g shown in the embodiment 7.And owing to do not establish terminal board 34, manufacturing cost can decrease.
(embodiment 9)
As shown in figure 10, among the plate battery 1i according to embodiments of the invention 9, the battery 21 that stacked film 22 hides is seated on the support plate 58.Negative terminal 23a stretches out from battery 21.Support plate 58 is provided with the printed circuit board (PCB) 27 that play supporting role, and which is provided with negative terminal 23a.Positive terminal 25 directly is connected by spot welding with positive terminal 23a.The contact plug of pocket telephone is with after positive terminal 25 contacts, and plate battery 1i just begins to power to pocket telephone.
The plate battery 1i of this structure has the same effect of plate battery 1a shown in the embodiment 1.
(embodiment 10)
As shown in figure 11, among the plate battery 1j according to embodiments of the invention 10, battery 21 stacked films 22 wrap.The material of stacked film 22 is identical with the above embodiments 1 to 9, but shape is different.A slice stacked film 22 extends substantially straightly, and another sheet stacked film 22 is bent into groove shaped.In this groove, embed battery 21.Be connected on negative terminal 23d and battery 21 are electric.Negative terminal 23d stretches out from the lower end of battery 21, and its head is a bending.In the drawing inboard, be provided with identical shaped positive terminal with negative terminal 23d.Positive terminal also with on battery 21 is electric is connected.
Housing 60 is set, makes it stacked film 22 is hidden.Housing 60 is a working of plastics, is made of upper shell 61 and lower house 62.Upper shell 61 and lower house 62 interconnect.On upper shell 61, be provided with housing window 63.The front end of negative terminal 23d is shelved on the printed circuit board (PCB) 27 with supporting role.Also be provided with negative terminal 25 on the negative terminal 23d.Negative terminal 25 is made of metal, contacts with contact plug on the pocket telephone.
The plate battery 1j of this structure has the same effect of plate battery 1a shown in the embodiment 1.
(embodiment 11)
As shown in figure 12, the component part as the pocket telephone 100 of portable radio terminal comprises: telephone case 101, back housing 102, the mainboard 103 as the pocket telephone circuit board, plate battery 1a.
Telephone case 101 and back housing 102 are assembled on the mainboard 103.Plate battery 1a is installed on the back housing 102.Be electrically connected by contact plug 109 between plate battery 1a and the mainboard 103.The integrated circuit of radio-telephones is housed on the mainboard 103.This integrated circuit is powered by plate battery 1a.Plate battery 1a is identical with the structure of plate battery 1a shown in Figure 2.
In addition, though not shown among Figure 12, the actual positive terminal that plate battery 1a also is housed in the paper inboard, and the contact plug that contacts with this positive terminal.
In the pocket telephone 100 of this structure, negative terminal 35 is supported by the printed circuit board (PCB) 31 that is clipped between them by boss 15.Thus, as shown in figure 12, even act on effectively on the negative terminal 35, the position of negative terminal 35 can not change yet.Thereby make that the position of negative terminal 35 is reliably determined, thereby can realize contacting with the reliable of contact plug 109.Therefore, can produce the pocket telephone of the high reliability that does not have loose contact.
(embodiment 12)
With reference to Figure 13, plate battery 2a comprises: as the housing 71 of exterior component, produce the generating element 21 of electric power and as the stacked film 22 of covering member.Part is hidden by housing 71 near the bottom of stacked film 22 to the center, and the top of stacked film 22 is not covered.Therefore, the first half of stacked film 22 exposes from housing 71.
In stacked film 22, form with Fig. 1 in electrode mouth-sealed portion 22f electrode mouth-sealed portion 22f and the mouth-sealed portion 22e identical with mouth-sealed portion 22e.At the downside of plate battery 2a, form mouth-sealed portion 22d by the two ends crimping of stacked film 22.Mouth-sealed portion 22d extension below battery 21.In addition, the bearing of trend of mouth-sealed portion 22d is vertical substantially with the bearing of trend of electrode mouth-sealed portion 22f and mouth-sealed portion 22e.
Be located on the housing 71 in order to the groove (not shown among Figure 13) of accepting mouth-sealed portion 22d.Housing 71 adopts aluminum alloy materials.Housing 71 is the cuboid with big opening, embeds stacked film 22 and battery 21 in this opening.Battery 21 is identical with the battery shown in Figure 1 21 of embodiment 1.The positive terminal 24a and the negative terminal 23a that extend (mouth-sealed portion 22d extends along this direction) in the same direction are connected to battery 21.Be fixed with metal positive terminal 26 on the positive terminal 24a.Positive terminal 26 is in order to the member with the electric contact of contact plug of pocket telephone.Be fixed with metal negative terminal 25 above the negative terminal 23a.Negative terminal 25 is in order to the member with the electric contact of contact plug of pocket telephone.
With reference to Figure 14, adorning the battery 21 of stacked film 22 parcels in the housing 71 among the plate battery 2a.Form groove 72 on the housing 71 as groove.The width of battery 21 is less than the width of housing 17.The first half of battery 21 is not hidden by housing 71.The mouth-sealed portion 22d that stacked film is superimposed with each other embeds the groove 72 of housing 71.Thus, groove 72 makes stacked film 22 be accepted by housing 71, is not forming the part of groove, and the inner surface 71b of housing 71 is with stacked film 22 contacts.
Part beyond groove 72 forms the district, inner surface 71b is not for there being the plane of curvature substantially.Between inner surface 71b and groove 72, gapped generation between stacked film 22 and the housing 71.Also for there not being the plane of curvature substantially, 71b is parallel with inner surface for the outer surface 71a of housing 71.
In the plate battery 2a of this structure, mouth-sealed portion 22d embeds groove 72.Therefore, mouth-sealed portion 22d is accepted by groove 72, and other parts beyond the mouth-sealed portion 22d contact with the inner surface 71b of housing 71.Thus, a plurality of of stacked film 22 contact with housing 71, and the position of stacked film 22 and battery 21 is just determined by housing 71.And, by groove 72 is set, because the relatively large mouth-sealed portion 22d of the thickness of stacked film 22 embeds the groove 72 as groove, the height H from the inner surface of housing 71 to stacked film 22 end faces
2(=0.2～5.7mm), less than the corresponding height of existing plate battery.As a result, obtained the effect that makes plate battery 2a miniaturization.
(embodiment 13)
With reference to Figure 15, in the plate battery 2b of the foundation embodiment of the invention 13, be provided with two-sided tape 74 between the inner surface 71b of housing 71 and the stacked film 22.Two-sided tape 74 adopts the organic substance materials, can play the effect that the inner surface 71b with stacked film 22 and housing 71 is fixed together.The mouth-sealed portion 72d of stacked film 22 embeds groove 72, contacts with groove 72 surfaces.In other respects, plate battery 2b is identical with the structure of plate battery 2a.
The plate battery 2b of this structure, at first the plate battery 2a with foundation embodiment 12 has same effect.And, use two-sided tape 74 at stacked film 22 with between as the housing 71 of exterior component, can determine the position of stacked film 22 more firmly.
(embodiment 14)
With reference to Figure 16, in the plate battery 2c of the foundation embodiment of the invention 14, be provided with two-sided tape 74 between groove 72 and the mouth-sealed portion 22d.The inner surface 71b of stacked film 22 and housing 71 contacts.Two-sided tape 74 is arranged on the bosom of groove 72, plays the effect that stacked film 22 is fixed together with housing 71.On other structure, plate battery 2c is identical with plate battery 2a.
The plate battery 2c of this structure, at first have with according to the same effect of the plate battery 2a of embodiment 12.And, be provided with two-sided tape 74 at groove 72, compare with plate battery 2c shown in Figure 15, can shorten the distance of 22 end faces from outer surface 71a to stacked film, further realize miniaturization.
(embodiment 15)
With reference to Figure 17, comprise: battery 21, stacked film 22, as the upper shell 77 and the lower house 75 of exterior component according to the member of the plate battery 2d of the embodiment of the invention 15.Stacked film 22 is with battery 21 parcels.Battery 21 is wrapped by upper shell 77 and lower house 75 with stacked film 22.
One big opening is arranged on the lower house 75, and this peristome is sealed by upper shell 77 embeddings.The position of stacked film 22 and battery 21 has been determined in the space that upper shell 77 and lower house 75 form.The inner surface 75b of lower house 75 goes up and forms groove 76.Extending to form of groove 76 along the inside rectilinear direction of paper.Except that the part that forms groove 76, inner surface 75b is the plane that does not have curvature.The back side 75a of inner surface 75b is not for roughly there being the plane of curvature.
For fixing stacked film 22 is provided with two-sided tape 74 on inner surface 75b.Two-sided tape 74 is along the bearing of trend setting of groove 76.Two-sided tape 74 edges are from the inside direction setting of paper.In the both sides of groove 76 two-sided tape 74 is set.
When being assembled to the plate battery 2d of this structure in the pocket telephone, can be with the fuselage of lower house 75 towards pocket telephone, upper shell 77 is towards the cover side of pocket telephone.And, also can be with the cover side of lower house 75 towards pocket telephone, upper shell 77 is towards the fuselage of pocket telephone.
The plate battery 2d of this structure, at first have with according to the same effect of the plate battery 2a of embodiment 12.And because its upper shell 77 and lower house 75 hide battery 21, upper shell 77 and lower house 75 can play the electromagnetic shielding action to battery 21.Thereby, can make its battery 21 not to the circuit board of pocket telephone plate battery that exert an influence, high reliability.And, because stacked film 22 usefulness two-sided tapes 74 are fixing, have the effect that the position of stacked film 22 is firmly determined.
(embodiment 16)
With reference to Figure 18, among the plate battery 2e according to the embodiment of the invention 16, on upper shell 77, use the two-sided tape 74 that stacked film 22 is fixed.Therefore, the inner surface 77b of upper shell 77 directly with stacked film 22 contacts, does not contact with stacked film 22 and pass through two-sided tape 74.The inner surface 75b of lower house 75 then directly contacts with stacked film 22.The groove 76 that is provided with on lower house 75 also directly contacts with the mouth-sealed portion 22d of stacked film 22.As for other structures, plate battery 2e and plate battery 2d's shown in Figure 17 shown in Figure 180 is identical.
Among the plate battery 2e of this structure, have the effect same with plate battery 2d shown in Figure 17.
(embodiment 17)
With reference to Figure 19, among the plate battery 2f according to the embodiment of the invention 17, be provided with in the groove 76 of lower house 75 in order to the fixing two-sided tape 74 of stacked film 22.The mouth-sealed portion 22d of stacked film 22 embeds in the groove 76, is fixed on the lower house 75 through two-sided tape 74.Except that the groove 76 of lower house 75, inner surface 75b directly contacts with stacked film 22.The inner surface 77b of upper shell 77 also directly contacts with stacked film 22.As for other structures, plate battery 2f shown in Figure 19 is identical with plate battery 2d shown in Figure 17.
Among the plate battery 2f of this structure, has the same effect of plate battery 2d shown in Figure 17.In addition, the inner surface 75b of lower house 75 directly contacts with stacked film 22, and the inner surface 76b of upper shell 77 also directly contacts with stacked film 22, thereby can further make the plate battery miniaturization.
(embodiment 18)
With reference to Figure 20, among the plate battery 2g according to the embodiment of the invention 18, groove 76 is located at upper shell 77, and is different therewith, and among plate battery 2d～2f of Figure 17～shown in Figure 19, groove 76 all is located on the lower house 75.Two-sided tape 74 is attached on the inner surface 77b of upper shell 77.
Two-sided tape 74 contacts with stacked film 22 with upper shell 77 stacked film 22 is fixed in the upper shell 77.Groove 76 directly contacts with the stacked film 22 that forms mouth-sealed portion 22d.The inner surface 75b of lower house 75 directly contacts with stacked film 22.Upper shell 77 can be placed on the fuselage side of pocket telephone, allow lower house 75 be positioned at the cover side of pocket telephone.Also can be conversely, upper shell 77 is placed on the cover side of pocket telephone, allow lower house 75 be positioned at the fuselage side of pocket telephone.
The plate battery 2g of this structure has the identical effect of plate battery 2d shown in Figure 17 of following according to embodiment 15.
(embodiment 19)
With reference to Figure 21, be with the difference of plate battery 2g shown in Figure 20 according to the plate battery 2h of the embodiment of the invention 19: two-sided tape 74 is located on the inner surface 75b of lower house 75.The inner surface 75b of lower house 75 does not directly contact with stacked film 22, but contacts with stacked film 22 via two-sided tape 74.The inner surface 77b of upper shell 77 directly contacts with stacked film 22.In addition, groove 76 also directly contacts with stacked film 22.
The plate battery 2h of this structure has with the identical effect of plate battery 2g shown in Figure 20.
(embodiment 20)
With reference to Figure 22, among the plate battery 2i according to the embodiment of the invention 20, two-sided tape 74 is located in the groove 76 of upper shell 77.Two-sided tape 74 is fixed in upper shell 77 with the stacked film 22 that forms mouth-sealed portion 22d on it.The surface of groove 76 does not directly contact with stacked film 22, but contacts with stacked film 22 via two-sided tape 74.The inner surface 77b of upper shell 77 directly contacts with stacked film 22 except groove 76 forms part.In addition, the inner surface 75b of lower house 75 directly contacts with stacked film 22.
The plate battery 2i of this structure has with the identical effect of plate battery 2f shown in Figure 19.
(embodiment 21)
With reference to Figure 23, among the plate battery 2j according to the embodiment of the invention 21, the outer surface 77a of upper shell 77 is the flexure plane with curvature, and this is the difference with plate battery 2i shown in Figure 22.For the rest, plate battery 2j shown in Figure 23 is identical with plate battery 2i shown in Figure 22.
The plate battery 2j of this structure at first has the effect identical with plate battery 2j shown in Figure 22.And the outer surface 77a of its upper shell 77 is a flexure plane.Therefore,, can allow the portion of the handle of pocket telephone form slick and sly curved surface along outer surface 77a as upper shell 77 being located at the cover side of pocket telephone, thus can so that the hand-held of telephone set carry.And because the outside of upper shell 77 is the outer surface 77a of projection, the thickness of upper shell 77 can increase.Thereby can improve the intensity of upper shell 77, make the higher plate battery of reliability.
And in this plate battery, two-sided tape 74 can be located in the groove 76, but also can be located at the surface of the upper shell 77 beyond the groove 76.In addition, also two-sided tape 74 can be located on the inner surface 75b of lower house 75, so that stacked film 22 is fixing.
(embodiment 22)
With reference to Figure 24, among the plate battery 2k according to the embodiment of the invention 22, the inner surface 75b of lower house 75 is the flexure plane with curvature.And the outer surface 75a of lower house 75 is the flexure plane for having curvature also.And, not using two-sided tape in this example, this also is the difference with the plate battery 2d of embodiment shown in Figure 17 15.
The outer surface 75a of lower house 75 along the cover side of pocket telephone, be that the gripping side of staff forms the shape that matches.Can be in the stacked film 22 because of the heating expanded by heating of battery 21, and the shape that the stacked film 22 of inner surface 75b when promptly having with expanded by heating matches.Strengthened the predetermined distance between stacked film 22 and the inner surface 75b for this reason, formed that lower house 75 can be because of the structure of swelling fracture when battery 21 expands.Also can between stacked film 22 and upper shell 77, establish two-sided tape.
The plate battery 2k of this structure has and the identical effect of plate battery 2d shown in Figure 17 according to embodiment 15.And, make under the situation of stacked film 22 expansions in battery 21 rapid heatings, between stacked film 22 and lower house 75, leave the space of regulation, make that lower house 75 is unlikely to be burst.As a result, make fail safe obtain further raising.
(embodiment 23)
With reference to Figure 25, among the plate battery 2l according to the embodiment of the invention 23, form between upper shell 77 and stacked film 22 with in case the space of swelling fracture, this plate battery 2i shown in Figure 24 with the space of the swelling fracture of setting up defences between lower house 75 and stacked film 22 is different.
The inner surface 77b of upper shell 77 is the bending that curvature is arranged.The part of stacked film 22 contacts with upper shell 77.The curvature of the middle body of the inner surface of upper shell 77 is less, and is bigger near the curvature at two ends.The shape of upper shell 77 inner surface 77b is designed to match because of battery 21 shape when sharply heating is expanded with stacked film 22.
The inner surface 75b of lower house 75 directly contacts with stacked film 22.Mouth-sealed portion 22d embeds in the groove 76 of lower house 75.Mouth-sealed portion 22b directly contacts with groove 76.Can be bonding between the inner surface 75b of lower house 75 and the stacked film 22 with two-sided tape or sticker.In addition, also available two-sided tape or sticker are bonding between the stacked film 22 of the surface of groove 76 and formation mouth-sealed portion 22d.And, also can make the outer surface 77a of upper shell 77 have curvature to outer lug.
The plate battery 2l of this structure has with the identical effect of plate battery 2k shown in Figure 24.
(embodiment 24)
With reference to Figure 26, among the plate battery 2m according to the embodiment of the invention 24, between upper shell 77 and lower house 75 and stacked film 22, form and use in case on the space this point of swelling fracture, be different from Figure 24 and plate battery 2k and 2l shown in Figure 25.
The outer surface 75a of lower house 75 is formed with the flexure plane of curvature.In addition, inner surface 75b also is formed with the flexure plane of curvature.Outer surface 75a makes such shape, so as with the cover side of pocket telephone, be that the part that grips of staff is consistent.The shape of inner surface 75b, the shape that is designed to when expanding because of battery 21 heating with stacked film 22 matches.
The inner surface 77b of upper shell 77 is made of the curved surface of band curvature.It is identical with the shape of stacked film 22 after the expansion that the shaped design of inner surface 77b becomes.In addition, outer surface 77a is the plane that does not have curvature, and still, the curved surface of making outside projection as the outer surface 75a of lower house 75 is also passable.
The plate battery 2m of this structure at first has the effect identical with plate battery 2k shown in Figure 24.And the shape that the shape after the inner surface 77b of upper shell 77 and the inner surface 75b of lower house 75 make respectively and expand with stacked film 22 matches is not so that upper shell 77 and lower house 75 break because of expansion.Thereby can further improve fail safe.
(embodiment 25)
With reference to Figure 27 A, have housing 80 according to the plate battery 2n of the embodiment of the invention 25.The cuboid of housing 80 for being made of six planes made with aluminium alloy.Form rectangular housing window 13 on the face of the maximum of cuboid.Can see the stacked film 22 that constitutes plate battery 2n from housing window 13.Boss 85 is formed on the bottom of housing 80.Shelve printed circuit board (PCB) 31 on the boss 85.
With reference to Figure 27 B, member according to the plate battery 2n of the embodiment of the invention 25 comprises: the stacked film 22 of battery 21, parcel battery, the negative terminal 23a that is electrically connected with battery 21 with 35 and positive terminal 24a and 39, with the housing 80 of above each member covering.
The difference of plate battery 1a shown in plate battery 2n shown in Figure 27 B and Figure 1B is: the material of housing 80 is an aluminium alloy, and mouth-sealed portion 22d is located at the downside of battery 21, forms the groove (not shown among Figure 27 B) of accepting mouth-sealed portion 22d in housing 80.As for other structures, the plate battery 2n shown in Figure 27 B is identical with the plate battery 1a shown in Figure 1B.
With reference to Figure 28, the difference of plate battery 2n and plate battery 1a shown in Figure 2 is: upper shell 81, lower house 82 and boss 85 are aluminium alloy and make, upper shell 81 contacts with the resin bed 22a of stacked film 22, and the boss 85 of negative terminal 32a and lower house 82 is electrically connected.
With reference to Figure 29, among the plate battery 2n, battery 21 is arranged, with the stacked film 22 of battery 21 parcel and upper shell 81 and lower house 82 that will above the two covering.Upper shell 81 directly contacts with lower house 82.Upper shell 81 relative lower houses 82 are fixed.The position of the battery 31 of stacked film 22 parcels is determined by the part that upper shell 81 and lower house 82 are surrounded.The superimposed mouth-sealed portion 22d that is connected to form in the both sides of stacked film 22 embeds groove 83 places of lower house 82.And groove 83 is from the paper formation that extends internally, and two-sided tape 84 is pasted along groove 83.The surface of groove 83 is fixing by two-sided tape 84 with the stacked film 22 that forms mouth-sealed portion 22d.The surface of groove 83 does not directly contact with the surface of stacked film 22, but by two-sided tape 84 contacts.Except that the part that forms groove 83, the inner surface 82b of lower house 82 directly contacts with stacked film 22 for not with the plane of curvature.The outer surface 82a of lower house 82 is not for the plane of the general planar of curvature.The inner surface 81a and the 81b of upper shell 81 are respectively the flat surfaces of not being with curvature.Outer surface 81a and 82a and inner surface 81e and 82b also can adopt the curve form that has curvature of outside projection respectively.In addition, can paste two-sided tape at the inner surface 82b of the lower house 82 beyond the groove 83 or the inner surface 81b of upper shell 81.
The plate battery of this structure, identical with Figure 1A, Figure 1B and plate battery 1a shown in Figure 2, negative terminal 35 is by boss 15 supportings, even negative terminal 35 is contacted with the pocket telephone contact plug, it is mobile that negative terminal 35 also is unlikely to.Thereby can be made into and to keep plate battery good electrical contact, high reliability.
In addition, upper shell 81 and lower house 82 all adopt electric conducting material to make, and its current potential is maintained fixed (23a is idiostatic with negative terminal), so upper shell 81 and 82 pairs of battery 21 of lower house have the effect of electromagnetic shielding.Consequently can not modulate, thereby can be made into more reliable plate battery the high-frequency current in the portable phone machine circuit.
And, as shown in figure 29, on lower house 82, form in order to embed the groove 84 of mouth-sealed portion 22d.Therefore the position of stacked film 22 accurately can be determined, also can be made plate battery 2n self miniaturization simultaneously.
The embodiment of current bulletin can have various modification.At first, the structure of negative terminal and positive terminal can adopt the mode that terminal is placed on the terminal board shown in Figure 2, also can adopt shown in Figure 4 directly in negative pole or the anodal mode that forms negative terminal or positive terminal.These two kinds of structures are applicable to all embodiment.
In addition, with regard to boss, relatively low boss 15 shown in Figure 2 and relative higher boss 17 have been announced specifically.These two kinds of boss are also applicable to all embodiment.
In addition, among the embodiment 4 as shown in Figure 5, as boss, and establish sheet metal 41 in its lower section with Temperature Detector 42, this structure also can be used for all embodiment.
In addition, in Figure 12 of embodiment 11, show the pocket telephone 100 that uses plate battery 1a, plate battery 1b～1j and the 2a～2n of other embodiment also can be assemblied in pocket telephone.
In addition, provided pocket telephone as portable radio terminal as example in this specification, plate battery of the present invention also can be loaded on the notebook computer as portable radio terminal.
And, describe with the situation of using lithium battery among the embodiment, the actual lithium battery that is not limited to, the present invention is suitable for too for other batteries such as nickel-cadmium cell etc.And, all applicable for primary cell and rechargeable battery.
In addition, used two-sided tape as stacked film and upper shell with the means that are connected between the lower house among the embodiment, the present invention also can use adhesive etc. not as limit.And, also the part of stacked film 22 can be welding on upper shell or the lower house.
In addition, the material of housing adopt iron, titanium, copper etc. all can, also can do gold-plated the grade to electrode terminal and electroplate processing.
Industrial application may
Plate battery of the present invention can be used for pocket telephone or has the portable computer of communication function, and common devices such as wireless device.
Claims (5)
1. plate battery, it comprises:
The overlapping form that overlaps each other of another part that produces generating element (21) sealing, employing covering member (a 22) part and the covering member (22) of electric power is formed the parcel shape covering member (22) of mouth-sealed portion (22d); And
Has exterior component (71,75,77,80) in order to the groove (72,76,83) of admitting described mouth-sealed portion (22d).
2. the plate battery of claim 1, it is characterized in that: described exterior component (75,77,80) has conductivity, and described covering member (22) is surrounded.
3. the plate battery of claim 2 is characterized in that: one in described exterior component (80) and described positive terminal (24a, 39) and the described negative terminal (23a, 35) is electrically connected.
4. the plate battery of claim 1, it is characterized in that: described positive terminal (24a, 39) and negative terminal (23a, 35) also comprise in order to support the supporting member (85) of outwardly directed described positive terminal (24a, 39) or described negative terminal (23a, 35) from protruding near the center of described generating element (22).
5. use portable radio terminal according to the plate battery of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100699385A CN1560934A (en) | 1999-12-17 | 1999-12-17 | Plate-shape battery and portable radio terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100699385A CN1560934A (en) | 1999-12-17 | 1999-12-17 | Plate-shape battery and portable radio terminal |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB998165697A Division CN1186828C (en) | 1999-12-17 | 1999-12-17 | Flat battery pack and mobile communication terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1560934A true CN1560934A (en) | 2005-01-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004100699385A Pending CN1560934A (en) | 1999-12-17 | 1999-12-17 | Plate-shape battery and portable radio terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1560934A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729507A (en) * | 2018-07-17 | 2020-01-24 | 宁德时代新能源科技股份有限公司 | Secondary battery and method for manufacturing secondary battery |
-
1999
- 1999-12-17 CN CNA2004100699385A patent/CN1560934A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729507A (en) * | 2018-07-17 | 2020-01-24 | 宁德时代新能源科技股份有限公司 | Secondary battery and method for manufacturing secondary battery |
| CN110729507B (en) * | 2018-07-17 | 2021-11-09 | 宁德时代新能源科技股份有限公司 | Secondary battery and method for manufacturing secondary battery |
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