CN106252540B - A kind of structure and manufacturing method of flexible-packed battery - Google Patents
A kind of structure and manufacturing method of flexible-packed battery Download PDFInfo
- Publication number
- CN106252540B CN106252540B CN201610771447.8A CN201610771447A CN106252540B CN 106252540 B CN106252540 B CN 106252540B CN 201610771447 A CN201610771447 A CN 201610771447A CN 106252540 B CN106252540 B CN 106252540B
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- positive
- flexible
- cathode
- exit
- negative electrode
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/172—Arrangements of electric connectors penetrating the casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/183—Sealing members
-
- 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
Abstract
The present invention provides a kind of structures of flexible-packed battery, it can solve existing flexible-packed battery since the electrode slice of tab and battery is welded to connect to which internal resistance is big, calorific value and kwh loss are big, the problem of influencing the performance of flexible-packed battery, including several positive plates being wrapped in Package casing and several negative electrode tabs, separated between the positive plate and negative electrode tab by diaphragm, electrolyte is filled in the Package casing, the positive plate is the positive-pole base material for being coated with positive electrode, negative electrode tab is the base material of cathode for being coated with negative electrode material, the positive-pole base material is equipped with positive exit, the base material of cathode has cathode exit, it is characterized by: the anode exit extends the Package casing and constitutes anode ear, the cathode exit extends the Package casing and constitutes negative electrode lug, the system of the flexible-packed battery is additionally provided simultaneously Make method.
Description
Technical field
The present invention relates to flexible-packed battery technical field, the structure and manufacturing method of specially a kind of flexible-packed battery.
Background technique
The shell of flexible-packed battery is relatively soft aluminum-plastic composite membrane, obtain high capacity cell usually by many positive plates and
Negative electrode tab is separated by diaphragm to be stacked in Package casing from after, and filling electrolyte constitutes battery, the positive exit of positive plate
Weld together, the cathode exit of positive plate welds together, and then distinguishes again on positive exit and cathode exit
Weld a positive pole ear and a negative lug.
For such flexible packaged battery pool structure since tab is that subsequent welding is got on, the internal resistance for resulting in tab is larger, holds
Easily fever, simultaneously, it is bad that welding also has certain probability to generate, and influences battery quality；Additionally due to tab is to pass through welding
It is connect with positive plate and negative electrode tab, in order to ensure welding can smoothly complete, the thickness of tab is usually than relatively thin, in this band
The problem come is exactly that the internal resistance of tab is larger, and calorific value and kwh loss are big, influence the performance of battery.
Summary of the invention
In view of the above-mentioned problems, can solve existing flexible packaged battery the present invention provides a kind of flexible packaged battery pool structure
Since the electrode slice of tab and battery is welded to connect to which internal resistance is big, calorific value and kwh loss are big, influence flexible-packed battery in pond
Performance the problem of.
A kind of flexible packaged battery pool structure, it is described including several positive plates being wrapped in Package casing and several negative electrode tabs
Separated between positive plate and negative electrode tab by diaphragm, electrolyte is filled in the Package casing, the positive plate is to be coated with just
The positive-pole base material of pole material, negative electrode tab are the base material of cathode for being coated with negative electrode material, and the positive-pole base material is equipped with positive exit, institute
Base material of cathode is stated with cathode exit, it is characterised in that: the anode exit extends the Package casing and constitutes anode
Ear, the cathode exit extend the Package casing and constitute negative electrode lug.
Further, the positive-pole base material is aluminium foil, and the base material of cathode is copper foil.
Further, the anode ear and the negative electrode lug respectively include integrally welded end and close to the packagings
The unwelded integral portion that is flexible coupling of shell.
Further, the position that the positive exit and the cathode exit are contacted with the Package casing is respectively
Integrally welded interconnecting piece.
Further, the interconnecting piece carries out chamfering on lateral both ends respectively.
Further, it is integrally welded to pass through macromolecule friction welding (FW) respectively for the end of the anode ear and the negative electrode lug.
Further, it is integrally welded to pass through radiation weldering respectively for the end of the anode ear and the negative electrode lug.
Further, nickel metal layer is coated on the negative electrode lug.
A kind of manufacturing method of above-mentioned flexible-packed battery, it is characterised in that: in the end for welding battery pole ear or just
When pole exit and the interconnecting piece of cathode exit Package casing contact, end or the company of battery pole ear are compressed by metal block
Socket part is used to clamp and thermally conductive.
Further, water-cooling is carried out to metal block.
Further, wind-cooling heat dissipating is carried out to metal block.
Flexible packaged battery pool structure of the invention, by extending the exit of electrode slice, by positive-pole base material and base material of cathode
Exit extends respectively stretches out the flexible-packed battery composition anode ear and negative electrode lug, end, that is, tab end weldering of exit
It is connected into one, such design is then not necessarily to other soldering polar ear, avoids the increasing for being caused tab internal resistance in welding process using solder
Add, while the thickness of tab can be made thicker than traditional tab, to reduce the internal resistance of tab, reduces calorific value and electricity damage
Consumption, promotes the performance of battery, close to the part of Package casing is the unwelded integral portion that is flexible coupling by setting tab, can be with
Prevent battery adverse circumstances in use, because shake caused by battery tab stress repeatedly distortion occur fracture by
Damage；Positive exit is respectively integrally welded interconnecting piece with the position that cathode exit is contacted with Package casing, such
Design avoids the generation of electrolyte leakage, and interconnecting piece carries out chamfering respectively on lateral both ends can make interconnecting piece and packaging
Shell is preferably bonded, and promotes the better tightness of packaging shell, avoids the generation of electrolyte leakage, manufacture of the invention
The method of flexible-packed battery is contacted in the end of welding battery pole ear or positive exit and cathode exit Package casing
When interconnecting piece, is compressed and radiated using the end or interconnecting piece of metal block compression battery pole ear, place heat when welding
Amount causes to damage to the diaphragm in battery, avoids cell damage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of flexible-packed battery of the invention；
Fig. 2 is the structural schematic diagram of the side view of the positive exit of flexible-packed battery of the invention；
Fig. 3 is the lateral schematic cross-sectional view of the interconnecting piece of the positive exit of flexible-packed battery of the invention.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
See Fig. 1, Fig. 2, Fig. 3, a kind of flexible packaged battery pool structure of the invention is several in Package casing 1 including being wrapped in
Positive plate and several negative electrode tabs are separated between positive plate and negative electrode tab by diaphragm, and 1 is filled with electrolyte in Package casing, just
Pole piece is the positive-pole base material 2 for being coated with positive electrode, and negative electrode tab is the base material of cathode for being coated with negative electrode material, and positive-pole base material is aluminium foil,
Base material of cathode is copper foil, and positive-pole base material 2 is equipped with positive exit 3, and base material of cathode has cathode exit 4, and positive exit 3 prolongs
It stretches out Package casing and constitutes anode ear 5, cathode exit 4 extends Package casing and constitutes negative electrode lug 6, anode ear 5 and negative electrode lug 6
Respectively include the unwelded integral portion 8 that is flexible coupling of integrally welded end 7 and close Package casing, positive exit 3
It is respectively integrally welded interconnecting piece 9 with the position that cathode exit 4 is contacted with Package casing 1, sees Fig. 3, interconnecting piece 9 is in cross
To both ends on carry out chamfering 10 respectively, be coated with nickel metal layer on negative electrode lug.
It is integrally welded that the end of anode ear and negative electrode lug passes through macromolecule friction welding (FW) respectively, the end of anode ear and negative electrode lug
It portion can also be integrally welded by radiation weldering respectively.
Flexible packaged battery pool structure of the invention, by extending the exit of electrode slice, by positive-pole base material and base material of cathode
Exit extends respectively stretches out the flexible-packed battery composition anode ear and negative electrode lug, end, that is, tab end weldering of exit
It is connected into one, such design is then not necessarily to other soldering polar ear, avoids the increasing for being caused tab internal resistance in welding process using solder
Add, while the thickness of tab can be made thicker than traditional tab, to reduce the internal resistance of tab, reduces calorific value and electricity damage
Consumption, promotes the performance of battery, close to the part of Package casing is the unwelded integral portion that is flexible coupling by setting tab, can be with
Prevent battery adverse circumstances in use, because shake caused by battery tab stress repeatedly distortion occur fracture by
Damage；Positive exit is respectively integrally welded interconnecting piece with the position that cathode exit is contacted with Package casing, such
Design avoids the generation of electrolyte leakage, and interconnecting piece carries out chamfering respectively on lateral both ends can make interconnecting piece and packaging
Shell is preferably bonded, and promotes the better tightness of packaging shell, avoids the generation of electrolyte leakage；In order to facilitate welding,
It can be coated with nickel metal layer on negative electrode lug, processing can also be passivated to negative electrode lug.
The method of the flexible-packed battery of manufacture of the invention in the end of welding battery pole ear or positive exit and is born
When the interconnecting piece of pole exit Package casing contact, the end of battery pole ear is compressed using metal block or interconnecting piece is compressed
And heat dissipation, heat when placing welding cause to damage to the diaphragm in battery, cell damage are avoided, using air-cooled or water cooling
Method radiates to metal block, can further improving radiating effect.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (7)
1. a kind of structure of flexible-packed battery, described including several positive plates being wrapped in Package casing and several negative electrode tabs
Separated between positive plate and negative electrode tab by diaphragm, electrolyte is filled in the Package casing, the positive plate is to be coated with just
The positive-pole base material of pole material, negative electrode tab are the base material of cathode for being coated with negative electrode material, and the positive-pole base material is equipped with positive exit, institute
Base material of cathode is stated with cathode exit, it is characterised in that: the anode exit extends the Package casing and constitutes anode
Ear, the cathode exit extend the Package casing and constitute negative electrode lug, and the positive-pole base material is aluminium foil, the base material of cathode
For copper foil, the position that the anode exit and the cathode exit are contacted with the Package casing is respectively integrally welded
Interconnecting piece, the anode ear and the negative electrode lug respectively include integrally welded end and close to the Package casing not
The integrally welded portion that is flexible coupling.
2. a kind of structure of flexible-packed battery according to claim 1, it is characterised in that: the interconnecting piece is lateral two
Chamfering is carried out on end respectively.
3. a kind of structure of flexible-packed battery according to claim 1, it is characterised in that: the anode ear and the cathode
It is integrally welded that the end of ear passes through macromolecule friction welding (FW) respectively.
4. a kind of structure of flexible-packed battery according to claim 1, it is characterised in that: the anode ear and the cathode
It is integrally welded that the end of ear passes through radiation weldering respectively.
5. a kind of manufacturing method of flexible-packed battery as described in claim 1, it is characterised in that: at the end of welding battery pole ear
When portion or positive exit and the interconnecting piece of cathode exit Package casing contact, the end of battery pole ear is compressed by metal block
Portion or interconnecting piece are used to clamp and thermally conductive.
6. a kind of manufacturing method of flexible-packed battery according to claim 5, it is characterised in that: carry out water cooling to metal block
Heat dissipation.
7. a kind of manufacturing method of flexible-packed battery according to claim 5, it is characterised in that: carried out to metal block air-cooled
Heat dissipation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771447.8A CN106252540B (en) | 2016-08-31 | 2016-08-31 | A kind of structure and manufacturing method of flexible-packed battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771447.8A CN106252540B (en) | 2016-08-31 | 2016-08-31 | A kind of structure and manufacturing method of flexible-packed battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106252540A CN106252540A (en) | 2016-12-21 |
| CN106252540B true CN106252540B (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610771447.8A Active CN106252540B (en) | 2016-08-31 | 2016-08-31 | A kind of structure and manufacturing method of flexible-packed battery |
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| CN2909544Y (en) * | 2006-05-10 | 2007-06-06 | 惠州Tcl金能电池有限公司 | Winding lithium battery electro-chip structure |
| CN101867059A (en) * | 2010-05-25 | 2010-10-20 | 陈性保 | Ultrathin lithium-manganese polymer battery and processing method thereof |
| CN202503065U (en) * | 2012-02-09 | 2012-10-24 | 广州丰江电池新技术股份有限公司 | Thin lithium ion battery |
| CN104157823A (en) * | 2014-08-26 | 2014-11-19 | 深圳市科达利实业股份有限公司 | Soft connecting piece used for power battery and processing method thereof |
| CN204045664U (en) * | 2014-08-29 | 2014-12-24 | 王亚楠 | Battery pole ear |
| CN204966576U (en) * | 2015-10-26 | 2016-01-13 | 深圳市三和朝阳科技有限公司 | Bipolar ear polymer high magnification battery |
| CN206497908U (en) * | 2016-08-31 | 2017-09-15 | 谢振华 | A kind of structure of flexible-packed battery |
-
2016
- 2016-08-31 CN CN201610771447.8A patent/CN106252540B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2909544Y (en) * | 2006-05-10 | 2007-06-06 | 惠州Tcl金能电池有限公司 | Winding lithium battery electro-chip structure |
| CN101867059A (en) * | 2010-05-25 | 2010-10-20 | 陈性保 | Ultrathin lithium-manganese polymer battery and processing method thereof |
| CN202503065U (en) * | 2012-02-09 | 2012-10-24 | 广州丰江电池新技术股份有限公司 | Thin lithium ion battery |
| CN104157823A (en) * | 2014-08-26 | 2014-11-19 | 深圳市科达利实业股份有限公司 | Soft connecting piece used for power battery and processing method thereof |
| CN204045664U (en) * | 2014-08-29 | 2014-12-24 | 王亚楠 | Battery pole ear |
| CN204966576U (en) * | 2015-10-26 | 2016-01-13 | 深圳市三和朝阳科技有限公司 | Bipolar ear polymer high magnification battery |
| CN206497908U (en) * | 2016-08-31 | 2017-09-15 | 谢振华 | A kind of structure of flexible-packed battery |
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| Publication number | Publication date |
|---|---|
| CN106252540A (en) | 2016-12-21 |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190712 Address after: Dongshanzui dingshuzhen Yixing city 214200 Jiangsu city of Wuxi Province Patentee after: Yixing Huiyuan composite material Co., Ltd. Address before: 214174 Dongshanzui, Dingshu Town, Wuxi City, Jiangsu Province Patentee before: Xie Zhenhua |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: The invention relates to a structure of a flexible packaging battery and a manufacturing method thereof Effective date of registration: 20211230 Granted publication date: 20190423 Pledgee: Bank of China Limited Yixing branch Pledgor: YIXING HUIHUA CLADDING MATERIAL CO.,LTD. Registration number: Y2021980017068 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |