CN104934553A - Electrochemical secondary battery built with charging circuit - Google Patents
Electrochemical secondary battery built with charging circuit Download PDFInfo
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- CN104934553A CN104934553A CN201510322920.XA CN201510322920A CN104934553A CN 104934553 A CN104934553 A CN 104934553A CN 201510322920 A CN201510322920 A CN 201510322920A CN 104934553 A CN104934553 A CN 104934553A
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- circuit board
- board module
- negative pole
- battery
- pole cap
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- 239000004020 conductor Substances 0.000 claims abstract description 5
- 230000002265 prevention Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims description 2
- JPOPEORRMSDUIP-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(2,3,5,6-tetrachlorophenyl)benzene Chemical compound ClC1=CC(Cl)=C(Cl)C(C=2C(=C(Cl)C=C(Cl)C=2Cl)Cl)=C1Cl JPOPEORRMSDUIP-UHFFFAOYSA-N 0.000 description 8
- 229910052744 lithium Inorganic materials 0.000 description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- LJQOBQLZTUSEJA-UHFFFAOYSA-N 1,2,3,5-tetrachloro-4-(2,3,5,6-tetrachlorophenyl)benzene Chemical compound ClC1=C(Cl)C(Cl)=CC(Cl)=C1C1=C(Cl)C(Cl)=CC(Cl)=C1Cl LJQOBQLZTUSEJA-UHFFFAOYSA-N 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M50/147—Lids or covers
-
- 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
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/463—Separators, membranes or diaphragms characterised by their shape
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention provides an electrochemical secondary battery built with a charging circuit. The electrochemical secondary battery comprises a battery shell, a battery core, a cathode cap, an anode cap, a circuit board module and an insulating washer. One end of the battery shell adjacent to the anode cap is provided with a sunk wire-turning structure; the battery core is placed in the battery shell and is located between the cathode cap and the wire-turning structure; the cathode cap and the battery shell are connected to form a cathode of the secondary battery; the anode cap is arranged on the circuit board module; the circuit board module is located between the wire-turning structure and the anode cap; the diameter of the circuit board module is designed between the inside diameter of the sunk place of the wire-turning structure and the inside diameter of the battery shell so as to be clamped in the wire-turning structure to be isolated with the battery core; an electrode connecting wire is arranged on the battery core; at least one through hole is arranged on the circuit board module; conductive material is coated in the inner surface of the through hole; the insulating washer is placed in the gap among the battery shell, the circuit board module and the anode cap and extrude and fix the circuit board module between the wire-turning structure and the battery shell and isolate the battery shell and the anode cap.
Description
Technical field
The present invention relates to a kind of secondary cell, be specifically related to a kind of electrochemical secondary cell being built in charging circuit.
Background technology
In recent years, secondary cell (also referred to as rechargeable battery) has been widely used in various portable electric equipment and electronic equipment, such as toy, handheld device etc., and this proposes more and more higher requirement to secondary cell energy storage energy.Lithium rechargeable battery due to have energy high, can the advantage such as high power discharge, environmental protection, be thus applied in above field gradually.
The normal work of rechargeable battery often needs to coordinate with the integrated circuit (IC) chip of other functions, has reached desirable working effect.Usual rechargeable battery and integrated circuit (IC) chip encapsulate respectively, and then by the connection of circuit board and wire, combine use.Such peripheral cell is many, and production process is many, cost is high, and greatly, poor-performing, is unfavorable for miniaturization or microminiaturization for rechargeable battery and integrated circuit (IC) chip volume.
When carrying out lithium rechargeable battery encapsulation, space shared by lithium rechargeable battery each several part is all comparatively fixing, wherein, this electrostrictive polymer core inner then comprises anode pole piece, barrier film and cathode pole piece, and the battery core closedtop in one end that anode pole piece deviates from barrier film with specified altitude assignment encapsulates, because battery core closedtop occupies the certain altitude of this polymer battery core, thus decrease the useful space of this electrostrictive polymer core inner.And the space availability ratio of polymer battery core and the energy density of lithium rechargeable battery and capacity have comparatively Important Relations, general, the space availability ratio of this polymer battery core is larger, the energy density of this lithium rechargeable battery and capacity are also larger, therefore, existing lithium rechargeable battery ubiquity the low and energy density of the lithium rechargeable battery caused of space availability ratio due to polymer battery core and the lower problem of capacity.
Summary of the invention
The invention provides a kind of electrochemical secondary cell being built in charging circuit, comprise: battery container, battery core, positive electrode cap, negative pole cap, circuit board module and insulating washer, described battery container has the circle line structure of depression in its one end near described negative pole cap, described battery core is positioned in described battery container, between described positive electrode cap and described circle line structure, described battery container is used for output cathode, fixing described circuit board module; Described positive electrode cap and described battery container connect and compose the positive pole of described secondary cell; Described negative pole cap is arranged on described circuit board module, and can be used in electromagnetic shielding, electrostatic screen and circuit and dispel the heat; Described circuit board module is between described circle line and described negative pole cap, the diameter of described circuit board module is set between the internal diameter and the internal diameter of battery container of the depression of described circle line formation, thus is stuck in described circle line side thus isolates with described battery core; Described battery core is provided with electrode connecting line, for being drawn respectively by the both positive and negative polarity of battery; Described circuit board module has at least one through hole, the inner surface of described through hole is coated with electric conducting material, for strengthening weld strength and increasing electrical-contact area, and for drawing electrode connecting line to be connected to circuit board module; Described circuit board module can be used in the charge protection of described battery, charging instruction, can also be used for the discharge prevention of battery, short-circuit protection, Cross prevention and control output voltage; Described insulating washer is arranged in the space of described battery container, circuit board module and negative pole cap, and extruding permanent circuit plate module between described circle line and battery container, and isolates described battery container and described negative pole cap.
Preferably, described battery container is the box hat of cylinder or rectangular structure.
Preferably, described circuit board module is at least one printed circuit board.
Preferably, described insulating washer is a flexibility and elastic ring insulating blanket.
Preferably, the cross section of described insulating washer is
shape,
a part for shape is for extruding permanent circuit plate module between described circle line and battery container, and another part is for isolating described battery container and described negative pole cap.
Preferably, described circuit board module is provided with connector thus negative pole cap is fixed on circuit board module, and the electrical connection both realizing.
Preferably, described circuit board module and the connected mode of negative pole cap are for welding.
Preferably, the edge of described negative pole cap is provided with at least two dops, for described negative pole cap is fixed on described circuit board module; Described circuit board module is provided with at least two draw-in grooves, for installing described negative pole cap relative to the marginal position side of described negative pole cap corresponding to described negative pole cap.
Preferably, described circle line is 0.2-1.2mm relative to the cup depth of battery casing surface.
Preferably, described positive electrode cap and described battery container are structure as a whole.
Seal body accessory structure for electrochemical cell design of the present invention is rationally ingenious; at described electrochemical cell electrode sealing part, there is negative pole cap; described negative pole cap can coordinate with circuit board and forms shielding construction; its internal high frequency components and parts interference to external world can be stoped; and the heat conduction produced when circuit board can be worked is to extraneous, plays the effect of protective circuit plate and components and parts.In addition, described battery container corresponds to and between battery core and circuit board, is furnished with circle line structure, for locating the relative position of battery core and circuit board, and coordinate with the insulating washer between negative pole cap and battery container circuit board is fixed, and without any need for welding.
Accompanying drawing explanation
With reference to the accompanying drawing of enclosing, the following description by embodiment of the present invention is illustrated by the more object of the present invention, function and advantage, wherein:
Fig. 1 a diagrammatically illustrates the structural representation of electrochemical cell of the present invention.
Fig. 1 b is the decomposition diagram of electrochemical cell of the present invention.
Fig. 1 c is the profile of Fig. 1 a along A-A direction.
Fig. 2 a diagrammatically illustrates the stereo decomposing structural representation being built in the seal body accessory 200 for electrochemical cell of electrochemical secondary cell first embodiment of charging circuit of the present invention.
Fig. 2 b diagrammatically illustrates the enlarged partial sectional view of the seal body accessory 200 for electrochemical cell of first embodiment of the invention.
Fig. 3 is the three-dimensional exploded view of the seal body accessory 300 for electrochemical cell of second embodiment of the invention.
Fig. 4 is the structural representation of the second printed circuit board (PCB) in second embodiment of the invention.
Embodiment
By reference to one exemplary embodiment, object of the present invention and function and the method for realizing these objects and function will be illustrated.But the present invention is not limited to following disclosed one exemplary embodiment; Can be realized it by multi-form.The essence of specification is only help various equivalent modifications Integrated Understanding detail of the present invention.
Should be appreciated that description and the follow-up detailed description of aforementioned cardinal principle are exemplary illustration and explanation, should not be used as the restriction to the claimed content of the present invention.
Hereinafter, embodiments of the invention will be described with reference to the drawings.In the accompanying drawings, identical Reference numeral represents same or similar parts, or same or similar step.
The invention provides a kind of electrochemical secondary cell, Fig. 1 a, 1b are respectively the structural representation Sum decomposition perspective view of electrochemical cell of the present invention.As shown in Fig. 1 a, 1b, a kind of electrochemical cell 100, comprising: battery container 101, the battery core 102 be placed in battery container 101, negative pole cap 103, the circuit board module 104 being placed in the space between battery core 102 and negative pole cap 103 and positive electrode cap 105.Negative pole cap of the present invention has the function of electromagnetic shielding, electrostatic screen and circuit heat radiation.Battery core 102 overcoat has battery container 101, and battery container 101 is the box hat of cylinder or rectangular structure, for output cathode, and permanent circuit plate module 104.According to one embodiment of present invention, positive electrode cap 105 is molded as one structure with described battery container 101 dextrorsely.
Circuit board module 104 is at least one layer printed circuit board (PCB), has the first side and the second side, and wherein the first side is pointed to negative pole cap 103, second side relative to described electrochemical cell 100 and pointed to battery core 102 relative to described electrochemical cell 100.PCB is the circuit board it being printed with wiring pattern, and has and have roughly corresponding size with the housing inner diameter of described battery 100.Multiple printed conductor and components and parts are arranged in the first side or second side of circuit board module 104.Circuit board module 104 near negative pole cap 103 side of described battery 100, between battery core 102 and negative pole cap 103.Circuit board module 104 is provided with connector thus is fixed on circuit board module 104 by negative pole cap 103, such as, negative pole cap 103 can be fixed by welding on circuit board module 104, also can be fixed by modes such as clampings.Circuit board module is used for lithium cell charging protection, charging instruction, can also be used for the discharge prevention of battery, short-circuit protection, Cross prevention and control output voltage.Be provided with electrode connecting line 108a and 108b between circuit board module 104 and battery core 102, drawn respectively by the both positive and negative polarity of battery respectively, wherein 108a is positive lead, and 108b is negative lead.Fig. 1 c is the profile of Fig. 1 a along A-A direction.Between circuit board module 104 and the battery container 101 of outside, between negative pole cap 103 and battery container 101, be provided with insulating washer 106.Insulating washer 106 is one flexible and have flexible annular insulating mat layer, its shape along described electrochemical cell 101A-A section be "
" shape.Insulating washer 106 can play the effect of the battery container 101 of isolation as the first electrode and the negative pole cap 103 as the second electrode, and because the elastic reaction of insulating blanket 106 can extrude and fix circuit board module 104, the space between sealed cell housing 101 and negative pole cap 103.Particularly, as illustrated in figure 1 c,
a part for shape is for extruding permanent circuit plate module 104 between described circle line 107 and battery container 101, and another part is for isolating described battery container 101 and described negative pole cap 103.
The ring-shaped depression that position on the outer surface of battery container 101 between corresponding battery core 102 and printed circuit board (PCB) 106 has a circle inside is circle line 107.Described battery core 102 is positioned in described battery container 101, between positive electrode cap 105 and the structure of described circle line 107.Insulating washer 106 and circle line 107 be arranged so that circuit board module 104 is fixed on bottom the ring-shaped depression of battery container 101 and battery container 101 between, therefore battery container 101 and the connection of negative pole cap 103 are without any need for welding.
The setting of circle line 107 structure is used for positioning circuit plate module 104, particularly, the diameter of circuit board module 104 is set between the internal diameter of the ring-shaped depression formed at circle line 107 and the internal diameter of battery container 101, when assembling battery, first battery core 102 is placed in battery container 101, then circuit board module 104 is assembled in battery container 101, the structure that the size dimension of circuit board module 104 can be stuck in circle line 107 avoids the contact with battery core 102, and then by insulating blanket 106, battery container 101 and negative pole cap 103 are isolated, complete the assembling of battery 100.Said structure makes circuit board module 104 to define a closed space in battery container 101 inside for holding battery core 102 by the structure of circle line 107, thus can increase the volume of battery core 102, therefore increases the capacity of secondary cell.Preferably, battery core 102 is a closed structure, carries out work by being connected from its both positive and negative polarity of battery core 102 inside extraction with corresponding battery plus-negative plate.
Preferably, above-mentioned circle line 107 is 0.2-1.2mm relative to the battery container 101 depression in the surface degree of depth.
Fig. 2 a diagrammatically illustrates the stereo decomposing structural representation being built in the seal body accessory 200 for electrochemical cell of electrochemical secondary cell first embodiment of charging circuit of the present invention.Fig. 2 b diagrammatically illustrates the enlarged partial sectional view of the seal body accessory 200 for electrochemical cell of first embodiment of the invention.As shown in Fig. 2 a, 2b, described seal body accessory 200 comprises a PCB 201, the 2nd PCB 202, negative pole cap 203.According to one embodiment of present invention, a PCB 201 is two printed circuit board that area is identical with the 2nd PCB 202.A described PCB 201 is near battery core 204, and described 2nd PCB 202 is away from battery core 204.One PCB 201 is stuck on battery container 206 by circle line 205.Negative pole cap 203 described in 2nd PCB 202 realizes electrical connection by contact, and with its composition shielding construction.One PCB 201 is furnished with multiple chip or circuit components near the side of battery core 204 and the 2nd PCB 202 away from the side of battery core 204, wherein, the components and parts that can produce radiation are in the course of the work arranged in the shielding construction that the 2nd PCB 202 and negative pole cap 203 form.The outside of the 2nd PCB 202, negative pole cap 203 and battery container 206 and between be provided with insulating washer 207.Insulating washer 207 is a flexible annular insulating blanket, can extrude and fix a PCB 201 and the 2nd PCB 202 in circle line 205 place, the space between sealed cell housing 206 and negative pole cap 103.The position contacted with the 2nd PCB at battery container 206 and a PCB is contact-enhancing zinc-plated 210, with the gap between potted circuit plate and battery container.By the through hole 209 between a PCB and the 2nd PCB, the negative lead 208b (208a is positive lead, not shown) battery core 204 drawn is connected with the wire on the 2nd PCB with a PCB.The inner surface of through hole 209 is coated with electric conducting material, such as, be copper facing, therefore the wiring of multiple circuit board can be linked together by through hole 209, and be connected with the position of circuit board contacts with negative pole cap, thus conducted to negative pole cap.
Fig. 3 is the three-dimensional exploded view of the seal body accessory 300 for electrochemical cell of second embodiment of the invention.Described seal body accessory 300 comprises a PCB 301, the 2nd PCB 302 and negative pole cap 303.Wherein a PCB 301 and the 2nd PCB 302 is furnished with multiple circuit components.The edge of a PCB 301 and the 2nd PCB 302 is provided with multiple aperture 304, for being fixed together by a PCB 301 and the 2nd PCB 302.Side corresponding negative pole cap 303 marginal position that 2nd PCB 302 connects negative pole cap 303 has at least two draw-in grooves 305 (not shown), the edge of negative pole cap 303 then has the dop 306 corresponding with described draw-in groove 305, for negative pole cap 303 is fixed on the 2nd PCB 302, and electrical connection and thermo-contact can be realized.2nd PCB 302 is furnished with quoit 401 (as shown in Figure 4) with the contact site of negative pole cap 303, and negative pole cap 303 coordinates with quoit 401 effect can playing electro-magnetic shielding cover.The material of described negative pole cap 303 is metal, and the heat produced when the components and parts on circuit board can be worked derives outside batteries by draw-in groove 305 and the contact of dop 306, plays the effect of heat radiation.
Seal body accessory structure for electrochemical cell design of the present invention is rationally ingenious; at described electrochemical cell electrode sealing part, there is negative pole cap; described negative pole cap can coordinate with circuit board and forms shielding construction; its internal high frequency components and parts interference to external world can be stoped; and the heat conduction produced when circuit board can be worked is to extraneous, plays the effect of protective circuit plate and components and parts.In addition, described battery container corresponds to and between battery core and circuit board, is furnished with circle line structure, for locating the relative position of battery core and circuit board, and coordinate with the insulating washer between negative pole cap and battery container circuit board is fixed, and without any need for welding.
In conjunction with the explanation of the present invention disclosed here and practice, other embodiments of the present invention are all easy to expect and understand for those skilled in the art.Illustrate and embodiment be only considered to exemplary, true scope of the present invention and purport limited by claim.
Claims (10)
1. be built in an electrochemical secondary cell for charging circuit, comprise: battery container, battery core, positive electrode cap, negative pole cap, circuit board module and insulating washer,
Described battery container has the circle line structure of depression in its one end near described negative pole cap, described battery core is positioned in described battery container, between described positive electrode cap and described circle line structure, described battery container is used for output cathode, fixing described circuit board module;
Described positive electrode cap and described battery container connect and compose the positive pole of described secondary cell;
Described negative pole cap is arranged on described circuit board module, and can be used in electromagnetic shielding, electrostatic screen and circuit and dispel the heat;
Described circuit board module is between described circle line and described negative pole cap, the diameter of described circuit board module is set between the internal diameter and the internal diameter of battery container of the depression of described circle line formation, thus is stuck in described circle line side thus isolates with described battery core;
Described battery core is provided with electrode connecting line, for being drawn respectively by the both positive and negative polarity of battery;
Described circuit board module has at least one through hole, the inner surface of described through hole is coated with electric conducting material, for strengthening weld strength and increasing electrical-contact area, and for drawing electrode connecting line to be connected to circuit board module; Described circuit board module can be used in the charge protection of described battery, charging instruction, can also be used for the discharge prevention of battery, short-circuit protection, Cross prevention and control output voltage;
Described insulating washer is arranged in the space of described battery container, circuit board module and negative pole cap, and extruding permanent circuit plate module between described circle line and battery container, and isolates described battery container and described negative pole cap.
2. electrochemical cell according to claim 1, wherein said battery container is the box hat of cylinder or rectangular structure.
3. electrochemical cell according to claim 1, wherein said circuit board module is at least one printed circuit board.
4. electrochemical cell according to claim 1, wherein said insulating washer is a flexibility and elastic ring insulating blanket.
5. electrochemical cell according to claim 1, the cross section of wherein said insulating washer is
shape,
the part of shape for extrude permanent circuit plate module in described circle line and battery container it
Between, another part is for isolating described battery container and described negative pole cap.
6. electrochemical cell according to claim 1, wherein said circuit board module is provided with connector thus is fixed on circuit board module by negative pole cap, and the electrical connection both realizing.
7. electrochemical cell according to claim 6, the connected mode of wherein said circuit board module and negative pole cap is for welding.
8. electrochemical cell according to claim 6, the edge of wherein said negative pole cap is provided with at least two dops, for described negative pole cap is fixed on described circuit board module; Described circuit board module is provided with at least two draw-in grooves, for installing described negative pole cap relative to the marginal position side of described negative pole cap corresponding to described negative pole cap.
9. electrochemical cell according to claim 1, wherein said circle line is 0.2-1.2mm relative to the cup depth of battery casing surface.
10. electrochemical cell according to claim 1, wherein said positive electrode cap and described battery container are structure as a whole.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510322920.XA CN104934553B (en) | 2015-06-12 | 2015-06-12 | A kind of electrochemical secondary cell for being built in charging circuit |
| PCT/CN2015/096617 WO2016197568A1 (en) | 2015-06-12 | 2015-12-08 | Electrochemical secondary battery having inbuilt charging circuit |
| ES15894823T ES2742726T3 (en) | 2015-06-12 | 2015-12-08 | Secondary electrochemical battery with built-in charging circuit |
| EP15894823.2A EP3291328B1 (en) | 2015-06-12 | 2015-12-08 | Electrochemical secondary battery having inbuilt charging circuit |
| JP2017562338A JP6522793B2 (en) | 2015-06-12 | 2015-12-08 | Secondary electrochemical cell with built-in charging circuit |
| US15/808,085 US10224582B2 (en) | 2015-06-12 | 2017-11-09 | Electrochemical secondary battery having inbuilt charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510322920.XA CN104934553B (en) | 2015-06-12 | 2015-06-12 | A kind of electrochemical secondary cell for being built in charging circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104934553A true CN104934553A (en) | 2015-09-23 |
| CN104934553B CN104934553B (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510322920.XA Active CN104934553B (en) | 2015-06-12 | 2015-06-12 | A kind of electrochemical secondary cell for being built in charging circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016197568A1 (en) * | 2015-06-12 | 2016-12-15 | 福建南平南孚电池有限公司 | Electrochemical secondary battery having inbuilt charging circuit |
| CN112706616A (en) * | 2021-01-19 | 2021-04-27 | 三亚学院 | New energy automobile power battery charging protection device |
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