CN106229428B - Battery cathode connection structure and coiled cylindrical battery - Google Patents
Battery cathode connection structure and coiled cylindrical battery Download PDFInfo
- Publication number
- CN106229428B CN106229428B CN201610870863.3A CN201610870863A CN106229428B CN 106229428 B CN106229428 B CN 106229428B CN 201610870863 A CN201610870863 A CN 201610870863A CN 106229428 B CN106229428 B CN 106229428B
- Authority
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- China
- Prior art keywords
- steel shell
- insulating film
- film layer
- curling
- shell bottom
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 71
- 239000010959 steel Substances 0.000 claims abstract description 71
- 238000003466 welding Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 20
- 229910052759 nickel Inorganic materials 0.000 claims description 10
- 229920003002 synthetic resin Polymers 0.000 claims description 6
- 239000000057 synthetic resin Substances 0.000 claims description 6
- 239000000025 natural resin Substances 0.000 claims description 5
- 239000003792 electrolyte Substances 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 239000011295 pitch Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000002950 deficient Effects 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 3
- 239000011149 active material Substances 0.000 abstract description 2
- 239000012212 insulator Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 16
- 239000011810 insulating material Substances 0.000 description 16
- 239000002390 adhesive tape Substances 0.000 description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- -1 polytetrafluoroethylene Polymers 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000000605 extraction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000003973 paint Substances 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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
-
- 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
- H01M10/052—Li-accumulators
-
- 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
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- 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
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
-
- 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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
-
- 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
- H01M50/531—Electrode connections inside a battery casing
-
- 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
- H01M50/572—Means for preventing undesired use or discharge
-
- 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)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses battery cathode connection structure and coiled cylindrical batteries, steel shell including built-in curling product and the negative lug being connect with the negative electrode tab of curling product, steel shell bottom is coated with cricoid insulating film layer, steel shell bottom is isolated the insulating film layer with curling condition, the intermediate region of the insulating film layer is Welding Area, bears the Welding Area that the negative lug is welded on the steel shell bottom.Its advantage is that: steel shell bottom coated insulating film eliminates the use of negative pole end insulating trip, saves material, while also saving space, can accommodate more active materials, improves the capacity of battery；And production process is simplified, production cost is saved, avoids to leak as negative electrode insulator and puts, slides, the generation of battery defective products caused by bending, improve the yield rate of battery.
Description
Technical field
The present invention relates to a kind of field of lithium more particularly to coiled cylindrical battery and cathode connection structures.
Background technique
Coiled battery includes steel shell, and coiling body, electrolyte and seal body, coiling body includes positive plate, diaphragm and cathode
Piece, coiling body wind after being laminated by three and are formed, and positive plate is connected by the positive terminal of positive pole ear and seal body, negative electrode tab
It is connect by negative lug with steel shell bottom, negative lug is welded on the bottom of steel shell.
After coiling body is packed into steel shell, the positive plate on coiling body is contacted with steel shell bottom in order to prevent, negative terminal and volume
It is contacted around body, insulating trip is placed between coiling body and negative terminal and is electrically isolated.The addition generation of insulating trip is following not
Good influence: 1, placing insulating trip, need an additional procedure, meanwhile, when putting insulating trip, since insulating trip is softer,
It is possible that leakage is put, slides or the case where insulating trip bending occurs, this will increase the fraction defective of battery.2, insulating trip itself has
There are certain height (0.3-0.5 millimeters), in the case where steel shell constant height, the height loss of coiling body has fallen a part,
There is certain influence to the capacitance of battery.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of in steel shell bottom coating insulated paint to omit insulating trip
Battery cathode connection structure.The present invention further provides tool structured coiled cylindrical battery.
Solving technical problem of the invention needs technical solution to be offered: battery cathode connection structure, including built-in curling
The steel shell of product and the negative lug connecting with the negative electrode tab of curling product, the steel shell bottom are coated with cricoid insulating film layer,
Steel shell bottom is isolated the insulating film layer with curling condition, and the intermediate region of the insulating film layer is Welding Area, the cathode pole
Ear is welded on the Welding Area of the steel shell bottom.
A further preferred embodiment of the present invention: the material of the insulating film be pitch, polytetrafluoroethylene (PTFE), natural resin or
Synthetic resin is made.The insulating film can be it is curable or can not cured insulating materials, the insulating film remove steel shell
It is annularly uniformly adhered to steel shell bottom outside intermediate Welding Area, plays good and stable insulating effect.
A further preferred embodiment of the present invention: the insulating film layer with a thickness of 0.05~0.15mm.In this thickness
Insulating film layer can play insulating effect, and (being less than 0.05mm) too thin because of insulating film layer defective insulation will not occur, also not
It can be because insulating film layer too thick (being greater than 0.15mm) causes insulating materials to waste and occupies more spaces in steel shell and reduce battery
Capacity, to reach the reasonable combination of insulating materials dosage, production technology and properties of product.The insulating film layer is by steel shell
Bottom is isolated with curling condition, prevents negative electrode tab and positive plate short circuit.
A further preferred embodiment of the present invention: the curling product are by positive plate, diaphragm paper and the negative electrode tab three
It is co-wound to form.The diaphragm paper between positive plate and negative electrode tab, the diaphragm paper be insulating materials, play every
The effect of exhausted positive plate and negative electrode tab, prevents the short circuit of positive plate and negative electrode tab.The negative lug is from the negative electrode tab
Upper extraction, the positive pole ear are drawn from the positive plate.
A further preferred embodiment of the present invention: the negative lug is made of nickel sheet.Described in the negative lug is used
Negative lug adhesive tape wrap up and reserve end sub-fraction nickel sheet and the Welding Area of steel shell bottom is mutually welded, steel shell just becomes
The cathode of battery, the negative lug adhesive tape be insulating tape, the negative lug adhesive tape play negative lug with it is described
Curling product the effect that is isolated of positive plate.
Coiled cylindrical battery, including steel shell, curling product and electrolyte, curling product are built in the steel shell, volume
The negative electrode tab of Qu Pin is connect with negative lug, and the steel shell bottom is coated with cricoid insulating film layer, and the insulating film layer is by steel
Shell bottom is isolated with curling condition, and the intermediate region of the insulating film layer is Welding Area, and the negative lug is welded on described
The Welding Area of steel shell bottom.
A further preferred embodiment of the present invention: the material of the insulating film be pitch, polytetrafluoroethylene (PTFE), natural resin or
Synthetic resin is made.The insulating film can be it is curable or can not cured insulating materials, the insulating film remove steel shell
It is annularly uniformly adhered to steel shell bottom outside intermediate Welding Area, plays good and stable insulating effect.
A further preferred embodiment of the present invention: the insulating film layer with a thickness of 0.05~0.15mm.In this thickness
Insulating film layer can play insulating effect, and (being less than 0.05mm) too thin because of insulating film layer defective insulation will not occur, also not
It can be because insulating film layer too thick (being greater than 0.15mm) causes insulating materials to waste and occupies more spaces in steel shell and reduce battery
Capacity, to reach the reasonable combination of insulating materials dosage, production technology and properties of product.The insulating film layer is by steel shell
Bottom is isolated with curling condition, prevents negative electrode tab and positive plate short circuit.
A further preferred embodiment of the present invention: the curling product are by positive plate, diaphragm paper and the negative electrode tab three
It is co-wound to form.The diaphragm paper between positive plate and negative electrode tab, the diaphragm paper be insulating materials, play every
The effect of exhausted positive plate and negative electrode tab, prevents the short circuit of positive plate and negative electrode tab.The negative lug is from the negative electrode tab
Upper extraction, the positive pole ear are drawn from the positive plate.
A further preferred embodiment of the present invention: the negative lug is made of nickel sheet.Described in the negative lug is used
Negative lug adhesive tape wrap up and reserve end sub-fraction nickel sheet and the Welding Area of steel shell bottom is mutually welded, steel shell just becomes
The cathode of battery, the negative lug adhesive tape be insulating tape, the negative lug adhesive tape play negative lug with it is described
Curling product the effect that is isolated of positive plate.
Compared with prior art, the invention has the advantages that steel shell bottom coated insulating film, eliminates making for negative pole end insulating trip
With saving material, while also saving space, more active materials can be accommodated, improve the capacity of battery；And letter
Production process is changed, has saved production cost, has avoided since negative electrode insulator leakage puts, slides, battery caused by bending is bad
The generation of product improves the yield rate of battery.
Detailed description of the invention
Fig. 1 is steel shell schematic diagram of the invention；
Fig. 2 is steel shell bottom plan view of the invention；
Fig. 3 is curling product perspective view of the invention；
Fig. 4 is curling product top view of the invention；
Fig. 5 is cylindrical cell cross-sectional view of the invention；
Fig. 6 is the enlarged drawing in Fig. 4 at A.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in figs 1 to 6, battery cathode connection structure, steel shell 1 including built-in curling product 3 and negative with curling product 3
The negative lug 31 that pole piece 35 connects, 1 bottom of steel shell are coated with cricoid insulating film layer 2, and the insulating film layer 2 is by 1 bottom of steel shell
It is isolated with curling product 3, the intermediate region of the insulating film layer 2 is Welding Area 11, and negative lug 31 passes through the Welding Area 11 and steel
The welding of 1 bottom of shell.Negative lug 31 is welded on the Welding Area 11 of 1 bottom of steel shell.
As Figure 1-Figure 2, the material of insulating film 2 is made of pitch, polytetrafluoroethylene (PTFE), natural resin or synthetic resin.
Insulating film 2 can be it is curable or can not cured insulating materials, insulating film 2 in addition to the intermediate Welding Area 11 of steel shell 1 it is annular in shape
Even is attached to 1 bottom of steel shell, plays good and stable insulating effect.
As shown in Figure 1, Figure 2 and Fig. 5 shown in, insulating film layer 2 with a thickness of 0.05~0.15mm.Insulating film layer 2 in this thickness
Insulating effect can be played, and (being less than 0.05mm) too thin because of insulating film layer 2 defective insulation will not occur, it will not be because of exhausted
The too thick capacity for leading to more spaces in insulating materials waste and occupancy steel shell 1 (greater than 0.15mm) and reducing battery of velum layer 2,
To reach the reasonable combination of insulating materials dosage, production technology and properties of product.Insulating film layer 2 is by 1 bottom of steel shell and crimps
Product 3 are isolated, and prevent 33 short circuit of negative electrode tab 35 and positive plate.
As shown in figures 3 to 6, curling product 3 are by positive plate 33, diaphragm paper 34 and 35 three of negative electrode tab is co-wound forms.
For diaphragm paper 34 between positive plate 33 and negative electrode tab 35, diaphragm paper 34 is insulating materials, plays isolation positive plate 33 and cathode
The effect of piece 35 prevents the short circuit of positive plate 33 and negative electrode tab 35.Negative lug 31 is drawn from negative electrode tab 35, positive pole ear 32
It is drawn from positive plate 33.Electrode bar 4 is inserted into the middle inside steel shell 1, for negative lug to be welded on steel shell bottom.
As shown in Figure 3, Figure 5 and Figure 6, negative lug 31 is made of nickel sheet.Negative lug 31 is wrapped with negative lug adhesive tape 311
It wraps up in and reserves end sub-fraction nickel sheet and 11 phase of Welding Area of 1 bottom of steel shell is welded, steel shell 1 just becomes the cathode of battery,
Negative lug adhesive tape 311 is insulating tape, and negative lug adhesive tape 311 plays positive plate 33 phase of the negative lug 31 with curling product 3
The effect of isolation.
Coiled cylindrical battery, including steel shell 1, curling product 3 and electrolyte 5, curling product 3 are built in steel shell 1, are crimped
The negative electrode tab 35 of product 3 is connect with negative lug 31, and 1 bottom of steel shell is coated with cricoid insulating film layer 2, and the insulating film layer 2 is by steel
1 bottom of shell is isolated with curling product 3, and the intermediate region of the insulating film layer 2 is Welding Area 11, and negative lug 31 is welded on steel shell bottom
The Welding Area 11 in portion.
As Figure 1-Figure 2, the material of insulating film 2 is made of pitch, polytetrafluoroethylene (PTFE), natural resin or synthetic resin.
Insulating film 2 can be it is curable or can not cured insulating materials, insulating film 2 in addition to the intermediate Welding Area 11 of steel shell 1 it is annular in shape
Even is attached to 1 bottom of steel shell, plays good and stable insulating effect.
As shown in Figure 1, Figure 2 and Fig. 5 shown in, insulating film layer 2 with a thickness of 0.05~0.15mm.Insulating film layer 2 in this thickness
Insulating effect can be played, and (being less than 0.05mm) too thin because of insulating film layer 2 defective insulation will not occur, it will not be because of exhausted
The too thick capacity for leading to more spaces in insulating materials waste and occupancy steel shell 1 (greater than 0.15mm) and reducing battery of velum layer 2,
To reach the reasonable combination of insulating materials dosage, production technology and properties of product.Insulating film layer 2 is by 1 bottom of steel shell and crimps
Product 3 are isolated, and prevent 33 short circuit of negative electrode tab 35 and positive plate.
As shown in figures 3 to 6, curling product 3 are by positive plate 33, diaphragm paper 34 and 35 three of negative electrode tab is co-wound forms.
For diaphragm paper 34 between positive plate 33 and negative electrode tab 35, diaphragm paper 34 is insulating materials, plays isolation positive plate 33 and cathode
The effect of piece 35 prevents the short circuit of positive plate 33 and negative electrode tab 35.Negative lug 31 is drawn from negative electrode tab 35, positive pole ear 32
It is drawn from positive plate 33.
As shown in Figure 3, Figure 5 and Figure 6, negative lug 31 is made of nickel sheet.Negative lug 31 is wrapped with negative lug adhesive tape 311
It wraps up in and reserves end sub-fraction nickel sheet and 11 phase of Welding Area of 1 bottom of steel shell is welded, steel shell 1 just becomes the cathode of battery,
Negative lug adhesive tape 311 is insulating tape, and negative lug adhesive tape 311 plays positive plate 33 phase of the negative lug 31 with curling product 3
The effect of isolation.
Battery cathode connection structure provided by the present invention and coiled cylindrical battery are described in detail above,
Used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only used
The present invention and core concept are understood in help.It should be pointed out that for those skilled in the art, not departing from
, can be with several improvements and modifications are made to the present invention under the premise of the principle of the invention, these improvement and modification also fall into this hair
In bright scope of protection of the claims.
Claims (2)
1. battery cathode connection structure, steel shell including built-in curling product and the negative lug being connect with the negative electrode tab of curling product,
It is characterized in that the steel shell bottom is coated with cricoid insulating film layer, insulating film is attached to steel shell bottom；The insulating film layer
Steel shell bottom is isolated with curling condition, the intermediate region of the insulating film layer is Welding Area, and the negative lug is welded on institute
The Welding Area for the steel shell bottom stated；The material of the insulating film is made of pitch, natural resin or synthetic resin；Described is exhausted
Velum layer with a thickness of 0.05~0.15mm；
The curling product are by positive plate, diaphragm paper and the negative electrode tab three is co-wound forms；
The negative lug is made of nickel sheet.
2. coiled cylindrical battery, including steel shell, curling product and electrolyte, curling product are built in the steel shell, curling
The negative electrode tab of product is connect with negative lug, it is characterised in that the steel shell bottom is coated with cricoid insulating film layer, insulating film
It is attached to steel shell bottom, which steel shell bottom is isolated with curling condition, and the intermediate region of the insulating film layer is spot welding
Area, the negative lug are welded on the Welding Area of the steel shell bottom；The material of the insulating film is pitch, natural tree
Rouge or synthetic resin are made；The insulating film layer with a thickness of 0.05~0.15mm；
The curling product are by positive plate, diaphragm paper and the negative electrode tab three is co-wound forms；
The negative lug is made of nickel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610870863.3A CN106229428B (en) | 2016-09-30 | 2016-09-30 | Battery cathode connection structure and coiled cylindrical battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610870863.3A CN106229428B (en) | 2016-09-30 | 2016-09-30 | Battery cathode connection structure and coiled cylindrical battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106229428A CN106229428A (en) | 2016-12-14 |
| CN106229428B true CN106229428B (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610870863.3A Active CN106229428B (en) | 2016-09-30 | 2016-09-30 | Battery cathode connection structure and coiled cylindrical battery |
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| Country | Link |
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| CN (1) | CN106229428B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888150B (en) * | 2019-01-30 | 2024-04-30 | 中银（宁波）电池有限公司 | Lithium battery separator, wound product and wound lithium battery |
| JP7136943B2 (en) * | 2021-01-20 | 2022-09-13 | 本田技研工業株式会社 | solid state battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201017959Y (en) * | 2006-11-23 | 2008-02-06 | 江苏省新动力电池及其材料工程技术研究中心有限公司 | Power novel lithium ion battery capable of enduring overcharging |
| CN201797015U (en) * | 2010-03-22 | 2011-04-13 | 深圳市豪鹏科技有限公司 | Cylindrical nickel-metal hydride battery and battery cell for same |
| CN202695597U (en) * | 2012-06-29 | 2013-01-23 | 广东凯德能源科技有限公司 | Lithium battery structure |
| CN203434247U (en) * | 2013-07-30 | 2014-02-12 | 河南比得力高新能源科技有限公司 | Nickel cobalt lithium manganate cylindrical high-magnification battery |
| CN204885309U (en) * | 2015-06-15 | 2015-12-16 | 河南比得力高新能源科技有限公司 | Cylinder type power lithium ion battery takes precautions against earthquakes |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201352578Y (en) * | 2009-01-23 | 2009-11-25 | 松下能源(无锡)有限公司 | Insulation spacing ring for battery and cylindrical secondary battery with insulation spacing ring |
| CN205319215U (en) * | 2015-12-22 | 2016-06-15 | 山西恒昌元科技有限公司 | Insulating piece of cylinder type lithium cell |
| CN206040722U (en) * | 2016-09-30 | 2017-03-22 | 宁波超霸能源有限公司 | Battery negative pole connection structure and coiling formula cylinder battery |
-
2016
- 2016-09-30 CN CN201610870863.3A patent/CN106229428B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201017959Y (en) * | 2006-11-23 | 2008-02-06 | 江苏省新动力电池及其材料工程技术研究中心有限公司 | Power novel lithium ion battery capable of enduring overcharging |
| CN201797015U (en) * | 2010-03-22 | 2011-04-13 | 深圳市豪鹏科技有限公司 | Cylindrical nickel-metal hydride battery and battery cell for same |
| CN202695597U (en) * | 2012-06-29 | 2013-01-23 | 广东凯德能源科技有限公司 | Lithium battery structure |
| CN203434247U (en) * | 2013-07-30 | 2014-02-12 | 河南比得力高新能源科技有限公司 | Nickel cobalt lithium manganate cylindrical high-magnification battery |
| CN204885309U (en) * | 2015-06-15 | 2015-12-16 | 河南比得力高新能源科技有限公司 | Cylinder type power lithium ion battery takes precautions against earthquakes |
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| Publication number | Publication date |
|---|---|
| CN106229428A (en) | 2016-12-14 |
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