CN204760490U - Lithium ion battery cell is used to basic station of soft -packing polymer - Google Patents
Lithium ion battery cell is used to basic station of soft -packing polymer Download PDFInfo
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- CN204760490U CN204760490U CN201520447020.3U CN201520447020U CN204760490U CN 204760490 U CN204760490 U CN 204760490U CN 201520447020 U CN201520447020 U CN 201520447020U CN 204760490 U CN204760490 U CN 204760490U
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- pole ear
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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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- 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
Abstract
The utility model provides a lithium ion battery cell is used to basic station of soft -packing polymer, contains the convolute electric core that forms and the plastic -aluminum membrane of encapsulation usefulness, the electricity core contains positive plate, negative pole piece and keeps apart the diaphragm of positive plate and negative pole piece, and an anodal ear is respectively drawn forth from the upper portion of electric core and lower part respectively to the positive plate, and a negative pole ear is respectively drawn forth from the upper portion of electric core and lower part respectively to the negative pole piece, and one of them adjusts the negative pole ear extremely ear of giving first place to well for connect outside consumer, a pair of positive negative pole ear is the consequent pole ear in addition for connect outside supervisory equipment. The utility model discloses a mode of two antipodal ears is drawn forth to electricity core upper portion and lower part, with the battery use and monitor falld into about two return circuits, be favorable to the connection in series -parallel equipment of group battery and monitor, the battery is drawn forth two utmost point ears alone and is detected inside temperature variation, and the way that detects battery surface temperature than the tradition is more accurate. Adopt the utility model discloses a battery cell cluster and assemble into large -scale basic station battery after, can be very convenient monitor every battery cell appears when unusual can be fast carrying out the early warning to unusual, position that again can the unusual battery of accurate sureness during the maintenance has made things convenient for the operation and maintenance. (U /)
Description
Technical field
The utility model relates to technical field of lithium ion, especially a kind of base station lithium ion single battery of flexible package polymer.
Background technology
What traditional base station battery adopted is all lead acid accumulator is as stand-by power supply, but lead-acid battery volume is large, weight large, and also easily cause environmental pollution, useful life also only has 1 year.Volume is little, energy density is high owing to having for lithium ion battery, nontoxic environment, the feature such as have extended cycle life, and in base station battery field, is more and more subject to the favor of mobile communication company.
A base station battery group module needs up to a hundred cells to be assembled by series-parallel mode usually, due to the One's name is legion of battery, no matter be assembling process, or maintenance process, when single battery occurs abnormal, all need the investigation one by one through complexity just can find abnormity point, efficiency is very low.
The mode of the monitor temperature that lithium ion battery is traditional is surface temperature-sensitive wire being connected to cell body, monitors by detecting surface temperature.During due to battery appearance exception, temperature postpones for some time from conducted inside to surface, and when surface temperature reaches early warning value, inside battery may occur irreversible thermal runaway, produces threaten the safety of whole battery pack.
Summary of the invention
In view of the deficiency that traditional base station battery exists in detection mode and monitor mode, the technical problems to be solved in the utility model is to provide a kind of convenient for maintaining, simultaneously again can the base station lithium ion single battery of flexible package polymer of accurate measurements electric current, voltage and internal temperature change.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of base station lithium ion single battery of flexible package polymer, comprise the battery core of winding and the aluminum plastic film of encapsulation, described battery core comprises the barrier film of positive plate, negative plate and isolation positive plate and negative plate, positive plate respectively draws an anode ear from the upper and lower of battery core respectively, negative plate respectively draws a negative electrode lug from the upper and lower of battery core respectively, wherein a pair positive and negative lug is main pole ear, for connecting external electric equipment; Other a pair positive and negative lug is consequent pole ear, for connecting monitoring outlay.The utility model adopts battery core upper and lower to draw the mode of two pairs of lugs, by battery use and monitoring divide into upper and lower two loops, be conducive to connection in series-parallel assembling and the monitoring of battery pack; Battery is drawn separately two lugs and is detected inner variations in temperature, more accurate than the way of traditional detection battery surface temperature.Adopt cell string of the present utility model and after being assembled into large-scale base station battery, can monitor each cell very easily, early warning can be carried out to abnormity point fast when occurring abnormal, accurately can determine again the position of abnormal battery during maintenance, facilitate operation and maintenance.
As improvement, main pole ear is all positioned at battery top, and consequent pole ear is all positioned at battery bottom.
As improvement, two anode ears that positive plate is drawn are positive pole main pole ear and positive pole consequent pole ear respectively, and described positive pole main pole ear is positioned at the head of positive plate, and upwards, positive pole consequent pole ear is positioned at the middle part of positive plate to its lead direction, and its lead direction is downward; Two negative electrode lugs that negative plate is drawn are negative pole main pole ear and negative pole consequent pole ear respectively, and negative pole main pole ear is positioned at the head of negative plate, and its lead direction upwards; Negative pole consequent pole ear is positioned at the middle part of negative plate, and its lead direction is downward.
As improvement, two anode ears that positive plate is drawn are positive pole main pole ear and positive pole consequent pole ear respectively, two negative electrode lugs that negative plate is drawn are negative pole main pole ear and negative pole consequent pole ear respectively, and positive pole main pole ear is positioned at battery top, and positive pole consequent pole ear is positioned at battery bottom; Negative pole main pole ear is positioned at battery bottom, and negative pole auricular appendage is positioned at battery top.
As improvement, positive pole main pole ear is positioned at the head of positive plate, and upwards, positive pole consequent pole ear is positioned at the middle part of positive plate to its lead direction, and its lead direction is downward; Negative pole main pole ear is positioned at the head of negative plate, and its lead direction is downward, and negative pole consequent pole ear is positioned at the middle part of pole piece, and its lead direction upwards.
As improvement, main pole ear is positioned at battery core innermost layer, and consequent pole ear is positioned at the intermediate layer of battery core.
As improvement, main pole ear width is 1.5 ~ 2.0 times of consequent pole ear width.
As improvement, described aluminum plastic film stamps out pit by a slice aluminum plastic film according to symmetrical mode, or stamps out pit respectively by two panels aluminum plastic film and be combined into.
As improvement, positive plate is the aluminium foil scribbling positive electrode, and negative plate is the Copper Foil scribbling negative material.
The beneficial effect that the utility model is compared with prior art brought is:
Flexible package polymer Li-ion cell made by the utility model, lug is drawn by the upper and lower respectively from battery, performance loop and the monitoring circuit of battery can be formed respectively, for relating to multistage series-parallel base station battery module, can carry out very easily detecting and keeping in repair, when particularly there are abnormal conditions, can note abnormalities fast and put and cut off, ensure that the safety of whole base station battery module.
Accompanying drawing explanation
Fig. 1 is the positive plate schematic diagram of this practical embodiment 1,2.
Fig. 2 is the negative plate schematic diagram of the utility model embodiment 1.
Fig. 3 is the negative plate schematic diagram of the utility model embodiment 2.
Fig. 4 is the battery core front view of the utility model embodiment 1.
Fig. 5 is the battery core front view of the utility model embodiment 2.
Fig. 6 is the front view that the utility model battery core loads aluminum plastic film.
Fig. 7 is the battery schematic diagram of the utility model embodiment 1.
Fig. 8 is the battery schematic diagram of the utility model embodiment 2.
Embodiment
Below in conjunction with Figure of description, the utility model is described in further detail.
Embodiment 1
A kind of base station lithium ion single battery of flexible package polymer, comprise the battery core of winding and the aluminum plastic film of encapsulation, as shown in Figure 4, described battery core comprises positive plate 6, negative plate 7 and isolates the barrier film 11 of positive plate 6 and negative plate 7, as shown in Figure 1, positive plate 6 respectively draws an anode ear from the upper and lower of battery core 8 respectively, and negative plate 7 respectively draws a negative electrode lug from the upper and lower of battery core 8 respectively, wherein a pair positive and negative lug is main pole ear, for connecting external electric equipment; Other a pair positive and negative lug is consequent pole ear, for connecting monitoring outlay.At 180 ~ 200 DEG C, carry out heat-seal with the PP glue of aluminum plastic film internal layer by the CPP glue 10 on lug, construct the cell that two lugs are respectively drawn in upper and lower.As shown in Figure 1, two anode ears that positive plate 6 is drawn are positive pole main pole ear 1 and positive pole consequent pole ear 2 respectively, and as shown in Figure 2, two negative electrode lugs that negative plate 7 is drawn are negative pole main pole ear 3 and negative pole consequent pole ear 4 respectively; Main pole ear 1,3 is all positioned at battery top, and consequent pole ear 2,4 is all positioned at battery bottom, and main pole ear 1,3 is positioned at battery core 8 innermost layer, and consequent pole ear 2,4 is positioned at the intermediate layer of battery core 8; Be specially the head that described positive pole main pole ear 1 is positioned at positive plate 6, upwards, positive pole consequent pole ear 2 is positioned at the middle part of positive plate 6 to its lead direction, and its lead direction is downward; Negative pole main pole ear 3 is positioned at the head of negative plate 7, and upwards, negative pole consequent pole ear 4 is positioned at the middle part of negative plate 7 to its lead direction, and its lead direction is downward.Main pole ear width is 1.5 ~ 2.0 times of consequent pole ear width.Positive plate is the aluminium foil scribbling positive electrode, and negative plate is the Copper Foil scribbling negative material.Described aluminum plastic film stamps out pit by a slice aluminum plastic film according to symmetrical mode, or stamps out pit respectively by two panels aluminum plastic film and be combined into.
Battery manufacturing process:
Positive plate 6 makes: by the pre-configured slurry comprising positive electrode, shown in Fig. 1, be coated on uniformly on aluminium foil, then through oven dry, roll-in, cut, crosscut, produce the positive plate of little bar, by the major-minor lug 1,2 of positive pole according to illustrated direction, supersonic welding is adopted to be connected on pole piece;
Negative plate 7 makes: by the pre-configured slurry comprising negative material, shown in Fig. 2, be coated on uniformly on Copper Foil, then through oven dry, roll-in, cut, crosscut, produce the negative plate of little bar, by the major-minor lug 3,4 of negative pole according to illustrated direction, supersonic welding is adopted to be connected on pole piece;
Battery core 8 makes: as shown in Figure 4, negative plate 7, barrier film 11 and positive plate 6 three is carried out overlap winding with up-coiler, forms the battery core of square structure;
Battery 5 makes: according to the size of battery core 8, and aluminum plastic film 9 is gone out the pit slightly larger than battery core size, after battery core is packed into pit, adopts top side seal machine the top of battery core, bottom and a side to be encapsulated, reserves a side.Battery core through super-dry, fluid injection, change into, degasification, edge sealing, cutting edge, after flanging, as shown in Figure 7, just produce the cell in the utility model.
Embodiment 2
A kind of base station lithium ion single battery of flexible package polymer, comprise the battery core of winding and the aluminum plastic film of encapsulation, as shown in Figure 5, described battery core comprises positive plate 6, negative plate 12 and isolates the barrier film 11 of positive plate 6 and negative plate 12, as shown in Figure 1, positive plate 6 respectively draws an anode ear from the upper and lower of battery core 8 respectively, and negative plate 12 respectively draws a negative electrode lug from the upper and lower of battery core respectively, wherein a pair positive and negative lug is main pole ear, for connecting external electric equipment; Other a pair positive and negative lug is consequent pole ear, for connecting monitoring outlay.At 180 ~ 200 DEG C, carry out heat-seal with the PP glue of aluminum plastic film internal layer by the CPP glue 10 on lug, construct the cell that two lugs are respectively drawn in upper and lower.As shown in Figure 1, two anode ears that positive plate 6 is drawn are positive pole main pole ear 1 and positive pole consequent pole ear 2 respectively, as shown in Figure 3, two negative electrode lugs that negative plate 12 is drawn are negative pole main pole ear 3 and negative pole consequent pole ear 4 respectively, main pole ear 1,3 is positioned at battery core innermost layer, and consequent pole ear 2,4 is positioned at the intermediate layer of battery core; Be specially the head that positive pole main pole ear 1 is positioned at positive plate 6, upwards, positive pole consequent pole ear 2 is positioned at the middle part of positive plate 6 to its lead direction, and its lead direction is downward; Negative pole main pole ear 3 is positioned at the head of negative plate 12, and its lead direction is downward, and negative pole consequent pole ear 4 is positioned at the middle part of pole piece 12, and its lead direction upwards.Main pole ear width is 1.5 ~ 2.0 times of consequent pole ear width.Positive plate is the aluminium foil scribbling positive electrode, and negative plate is the Copper Foil scribbling negative material.Described aluminum plastic film stamps out pit by a slice aluminum plastic film according to symmetrical mode, or stamps out pit respectively by two panels aluminum plastic film and be combined into.
Cell making process
Positive plate 6 makes: by the pre-configured slurry comprising positive electrode, shown in Fig. 1, be coated on uniformly on aluminium foil, then through oven dry, roll-in, cut, crosscut, produce the positive plate of little bar, by the major-minor lug 1,2 of positive pole according to illustrated direction, supersonic welding is adopted to be connected on pole piece;
Negative plate 12 makes: by the pre-configured slurry comprising negative material, shown in Fig. 3, be coated on uniformly on Copper Foil, then through oven dry, roll-in, cut, crosscut, produce the negative plate of little bar, by the major-minor lug 3,4 of negative pole according to illustrated direction, supersonic welding is adopted to be connected on pole piece;
Battery core 8 makes: as shown in Figure 5, negative plate 12, barrier film 11 and positive plate 6 three is carried out overlap winding with up-coiler, forms the battery core of square structure;
Battery 5 makes: according to the size of battery core 8, and aluminum plastic film 9 is gone out the pit slightly larger than battery core size, after battery core is packed into pit, adopts top side seal machine the top of battery core, bottom and a side to be encapsulated, reserves a side.Battery core through super-dry, fluid injection, change into, degasification, edge sealing, cutting edge, after flanging, as shown in Figure 8, just produce the cell in the utility model.
In the process made, adopt the machine and equipment that automaticity is higher, can enhance productivity, reduce manufacture difficulty, advantageously in the quality and the consistency that ensure cell.
Above embodiment only have expressed two kinds of execution modes of the present utility model, not for limiting embodiment of the present utility model.It should be pointed out that for those skilled in the art, without departing from the concept of the premise utility, done appropriate adaptation and amendment, all should in protection range of the present utility model.
Claims (9)
1. the base station of flexible package polymer lithium ion single battery, comprise the battery core of winding and the aluminum plastic film of encapsulation, described battery core comprises the barrier film of positive plate, negative plate and isolation positive plate and negative plate, it is characterized in that: positive plate respectively draws an anode ear from the upper and lower of battery core respectively, negative plate respectively draws a negative electrode lug from the upper and lower of battery core respectively, wherein a pair positive and negative lug is main pole ear, for connecting external electric equipment; Other a pair positive and negative lug is consequent pole ear, for connecting monitoring outlay.
2. the base station lithium ion single battery of a kind of flexible package polymer according to claim 1, it is characterized in that: main pole ear is all positioned at battery top, consequent pole ear is all positioned at battery bottom.
3. the base station lithium ion single battery of a kind of flexible package polymer according to claim 2, it is characterized in that: two anode ears that positive plate is drawn are positive pole main pole ear and positive pole consequent pole ear respectively, described positive pole main pole ear is positioned at the head of positive plate, its lead direction upwards, positive pole consequent pole ear is positioned at the middle part of positive plate, and its lead direction is downward; Two negative electrode lugs that negative plate is drawn are negative pole main pole ear and negative pole consequent pole ear respectively, and negative pole main pole ear is positioned at the head of negative plate, and its lead direction upwards; Negative pole consequent pole ear is positioned at the middle part of negative plate, and its lead direction is downward.
4. the base station lithium ion single battery of a kind of flexible package polymer according to claim 1, it is characterized in that: two anode ears that positive plate is drawn are positive pole main pole ear and positive pole consequent pole ear respectively, two negative electrode lugs that negative plate is drawn are negative pole main pole ear and negative pole consequent pole ear respectively, positive pole main pole ear is positioned at battery top, and positive pole consequent pole ear is positioned at battery bottom; Negative pole main pole ear is positioned at battery bottom, and negative pole auricular appendage is positioned at battery top.
5. the base station lithium ion single battery of a kind of flexible package polymer according to claim 4, is characterized in that: positive pole main pole ear is positioned at the head of positive plate, and upwards, positive pole consequent pole ear is positioned at the middle part of positive plate to its lead direction, and its lead direction is downward; Negative pole main pole ear is positioned at the head of negative plate, and its lead direction is downward, and negative pole consequent pole ear is positioned at the middle part of pole piece, and its lead direction upwards.
6. the base station lithium ion single battery of a kind of flexible package polymer according to claim 1, it is characterized in that: main pole ear is positioned at battery core innermost layer, consequent pole ear is positioned at the intermediate layer of battery core.
7. the base station lithium ion single battery of a kind of flexible package polymer according to claim 1, is characterized in that: main pole ear width is 1.5 ~ 2.0 times of consequent pole ear width.
8. the base station lithium ion single battery of a kind of flexible package polymer according to claim 1, it is characterized in that: described aluminum plastic film stamps out pit by a slice aluminum plastic film according to symmetrical mode, or stamp out pit respectively by two panels aluminum plastic film and be combined into.
9. the base station lithium ion single battery of a kind of flexible package polymer according to claim 1, it is characterized in that: positive plate is the aluminium foil scribbling positive electrode, negative plate is the Copper Foil scribbling negative material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520447020.3U CN204760490U (en) | 2015-06-26 | 2015-06-26 | Lithium ion battery cell is used to basic station of soft -packing polymer |
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| CN201520447020.3U CN204760490U (en) | 2015-06-26 | 2015-06-26 | Lithium ion battery cell is used to basic station of soft -packing polymer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969264A (en) * | 2020-08-11 | 2020-11-20 | Oppo广东移动通信有限公司 | Battery, terminal and method for detecting open circuit of battery |
| WO2021179216A1 (en) * | 2020-03-11 | 2021-09-16 | 东莞新能德科技有限公司 | Battery cell structure and battery |
| WO2023155609A1 (en) * | 2022-02-17 | 2023-08-24 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, electrical device, and manufacturing method |
-
2015
- 2015-06-26 CN CN201520447020.3U patent/CN204760490U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021179216A1 (en) * | 2020-03-11 | 2021-09-16 | 东莞新能德科技有限公司 | Battery cell structure and battery |
| CN113632311A (en) * | 2020-03-11 | 2021-11-09 | 东莞新能德科技有限公司 | Battery cell structure and battery |
| CN111969264A (en) * | 2020-08-11 | 2020-11-20 | Oppo广东移动通信有限公司 | Battery, terminal and method for detecting open circuit of battery |
| CN111969264B (en) * | 2020-08-11 | 2022-03-15 | Oppo广东移动通信有限公司 | Battery, terminal and method for detecting open circuit of battery |
| WO2023155609A1 (en) * | 2022-02-17 | 2023-08-24 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, electrical device, and manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20180626 |