CN206271807U - A kind of new type lithium ion battery structure with higher-security energy - Google Patents
A kind of new type lithium ion battery structure with higher-security energy Download PDFInfo
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- CN206271807U CN206271807U CN201621451368.0U CN201621451368U CN206271807U CN 206271807 U CN206271807 U CN 206271807U CN 201621451368 U CN201621451368 U CN 201621451368U CN 206271807 U CN206271807 U CN 206271807U
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- Prior art keywords
- negative
- paillon foil
- positive
- plate
- lithium ion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provide it is a kind of with higher-security can new type lithium ion battery structure, including aluminum housing, cover plate and the battery roll core and electrolyte that are sealed in the housing and cover plate；Housing bottom offers the liquid injection hole connected with enclosure interior tank body space, and liquid injection hole position is welded with the steel ball for sealing；Battery roll core includes positive plate, negative plate and the electrode diaphragm band being arranged between positive plate and negative plate；Electrode diaphragm band is coated with the polyethylene individual layer barrier film of titanium oxide fine powder coating for surface；Concaveconvex structure is provided with plus plate current-collecting body paillon foil, overall is in accordion；The design ensures that both positive and negative polarity will not contact short circuit, reduce the potential safety hazard of battery, improve the security performance of product, the design simple structure, degree of safety is high, long service life, can obtain good using effect, actual demand is met, while also solving the assembling problem of the small lithium ion battery with aluminum shell of width.
Description
[technical field]
The utility model is related to technical field of lithium ion, more particularly to a kind of simple structure, the tool of long service life
There is the new type lithium ion battery structure of higher-security energy.
[background technology]
Lithium ion battery with aluminum shell of the width less than 25mm is widely used in bluetooth earphone, digital camera, MP3 and MP4 etc. and sets
It is standby, but the small traditional lithium ion battery with aluminum shell liquid injection hole of width is typically all arranged on cover plate, because positive pole spot welding position must
Must be between cathode nickel sheet and liquid injection hole, the battery for width less than 25mm, because cathode nickel sheet and liquid injection hole are apart from very little,
Cause anode ear position to be difficult to hold, if anode ear apart from cathode nickel sheet it is excessively near if may make both positive and negative polarity touch cause together it is short
Road, influences the security performance of battery, if anode ear is excessively near away from liquid injection hole, influences fluid injection, and then influence the cyclicity of battery
Energy.
Based on above mentioned problem, those skilled in the art has carried out substantial amounts of research and development and experiment, from the specific knot of lithium battery
Structure is started with and is improved, it is to avoid is caused anode ear that the dangerous situation for bringing is contacted with cathode nickel sheet, is also achieved preferable achievement.
[utility model content]
To overcome the problems of prior art, the utility model provides a kind of simple structure, the tool of long service life
There is the new type lithium ion battery structure of higher-security energy.
The scheme that the utility model solves technical problem is to provide a kind of new type lithium ion electricity with higher-security energy
Pool structure, including aluminum housing, it is arranged at the cover plate of housing upper-end part of driving and the battery being sealed in the housing and cover plate
Core and electrolyte；The housing bottom offers the liquid injection hole connected with enclosure interior tank body space, in the liquid injection hole
Position is welded with the steel ball for sealing；The housing bottom thickness 0.1-0.2mm bigger than diameter of the steel ball；The housing
Width is less than 25mm；
The battery roll core includes positive plate, negative plate and the electrode diaphragm being arranged between positive plate and negative plate
Band；The positive plate includes plus plate current-collecting body paillon foil and the positive pole ear being welded on the plus plate current-collecting body paillon foil；It is described
Negative plate includes negative current collector paillon foil and the negative lug being welded on the negative current collector paillon foil；The electrode diaphragm
Band is coated with the polyethylene individual layer barrier film of titanium oxide fine powder coating for surface；And the thickness range of the titanium oxide fine powder coating
It is 0.3-0.48 μm；
The negative current collector paillon foil is planar structure；Concaveconvex structure is provided with the plus plate current-collecting body paillon foil, it is overall
In accordion；And the length of the plus plate current-collecting body paillon foil is more than the length of negative current collector paillon foil.
Preferably, the positive pole ear and negative lug that the cover plate outside is set respectively with enclosure interior are correspondingly arranged just
Pole and cathode nickel sheet；
Also include being arranged at electro-insulating rubber layer and positive conductive flaggy and the negative conductive flaggy on the inside of cover plate；It is described exhausted
Edge rubber layer is located between cover plate and conductive plate layer；And electro-insulating rubber layer middle part extends downwardly positive conductive flaggy and bears
Pole conductive plate layer is kept apart；The positive pole ear is connected with positive conductive flaggy, and positive conductive flaggy is connected with positive terminal；It is described
Negative lug is connected with negative conductive flaggy, and negative conductive flaggy is electrically connected with cathode nickel sheet.
Preferably, the through hole of several matrix forms setting, and plus plate current-collecting body are offered on the plus plate current-collecting body paillon foil
The two sides of paillon foil is each coated with positive electrode active materials；The voidage of the through hole is 30-40%, and the diameter range of through hole is
0.5-1mm。
Preferably, the thickness range of the plus plate current-collecting body paillon foil is 5-25 μm；The thickness range of negative current collector paillon foil
It is 35-40 μm.
Preferably, two electroplating surface thickness ranges of the negative current collector paillon foil are the lithium metal of 0.45-0.55mm
Layer.
Preferably, the electrolyte is lithium hexafluoro phosphate LiPF6.
Preferably, the plus plate current-collecting body paillon foil includes metal aluminum foil and graphite ene coatings；The graphite ene coatings are set
In metal foil surface.
Preferably, the thickness range of the graphite ene coatings is 0.5-3 μm.
Compared with prior art, a kind of new type lithium ion battery structure with higher-security energy of the utility model passes through
The liquid injection hole connected with enclosure interior tank body space is opened up in housing bottom, and sealing has been welded at the liquid injection hole position and made
Steel ball, such structure design has just reserved more space for housing upper end, can preferably set positive terminal and
Cathode nickel sheet, it is ensured that both positive and negative polarity will not contact short circuit, reduce the potential safety hazard of battery, improve the security performance of product, originally set
Meter simple structure, degree of safety is high, and long service life can obtain good using effect, meet actual demand, while also solving
The assembling problem of the small lithium ion battery with aluminum shell of width.
[brief description of the drawings]
Fig. 1 is a kind of stereoscopic-state structure of the new type lithium ion battery structure with higher-security energy of the utility model
Schematic diagram.
Fig. 2 is plus plate current-collecting body paper tinsel in a kind of new type lithium ion battery structure with higher-security energy of the utility model
The schematic diagram of piece.
Fig. 3 is that a kind of cross section structure of the new type lithium ion battery structure with higher-security energy of the utility model is illustrated
Figure.
[specific embodiment]
To make the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with drawings and Examples,
The utility model is further elaborated.It should be appreciated that specific embodiment described herein is used only for explaining this
Utility model, is not used to limit this utility model.
Fig. 1 to Fig. 3 is referred to, a kind of new type lithium ion battery structure 1 with higher-security energy of the utility model is wrapped
Include aluminum housing 11, the electricity for being arranged at the cover plate 112 of the upper-end part of driving of housing 11 and being sealed in the housing 11 and cover plate 112
Pond core and electrolyte；The bottom of the housing 11 offers the liquid injection hole 111 connected with the inside tank body space of housing 11, in institute
State the position of liquid injection hole 111 and be welded with the steel ball for sealing；The bottom thickness of the housing 11 0.1- bigger than diameter of the steel ball
0.2mm；The width of the housing 11 is less than 25mm；
The battery roll core includes positive plate 117, negative plate 119 and is arranged between positive plate 117 and negative plate 119
Electrode diaphragm band 118；The positive plate 117 includes plus plate current-collecting body paillon foil 1171 and is welded in the plus plate current-collecting body paper tinsel
Positive pole ear 1175 on piece 1171；The negative plate 119 includes negative current collector paillon foil and is welded in the negative pole currect collecting
Negative lug on body paillon foil；The electrode diaphragm band is coated with the polyethylene individual layer isolation of titanium oxide fine powder coating for surface
Film；And the thickness range of the titanium oxide fine powder coating is 0.3-0.48 μm；
The negative current collector paillon foil is planar structure；Concaveconvex structure is provided with the plus plate current-collecting body paillon foil 1171,
Overall is in accordion；And the length of the plus plate current-collecting body paillon foil 1171 is more than the length of negative current collector paillon foil.
The liquid injection hole 111 connected with the inside tank body space of housing 11 is opened up by the bottom of housing 11, and in the note
The steel ball that the welding of the position of fluid apertures 111 seals, such structure design has just reserved more space for the upper end of housing 11,
Positive terminal 113 and cathode nickel sheet 115 can be preferably set, it is ensured that both positive and negative polarity will not contact short circuit, reduce the peace of battery
Full hidden danger, improves the security performance of product, and the design simple structure, degree of safety is high, and long service life can be made well
With effect, actual demand is met, while also solving the assembling problem of the small lithium ion battery with aluminum shell of width.
Preferably, the outside of the cover plate 112 set respectively with housing 11 inside positive pole ear 1175 and negative lug pair
The positive terminal 113 and cathode nickel sheet 115 that should be set；
Also include being arranged at the electro-insulating rubber layer 114 and positive conductive flaggy 1161 and negative conductive of the inner side of cover plate 112
Flaggy 1163；The electro-insulating rubber layer 114 is located between cover plate 112 and conductive plate layer；And the middle part of electro-insulating rubber layer 114 to
Positive conductive flaggy 1161 and negative conductive flaggy 1163 are kept apart in lower extension；The positive pole ear and positive conductive flaggy
1161 connections, positive conductive flaggy 1161 is connected with positive terminal 113；The negative lug is connected with negative conductive flaggy 1163,
Negative conductive flaggy 1163 is electrically connected with cathode nickel sheet 115.Electro-insulating rubber layer 114, positive conductive flaggy 1161 and negative pole are led
The setting of electroplax layer 1163, can strengthen the heat dispersion and security performance of product.
Preferably, the through hole 1173 of several matrix forms setting is offered on the plus plate current-collecting body paillon foil 1171, and just
The two sides of pole current collector foil 1171 is each coated with positive electrode active materials；The voidage of the through hole 1173 is 30-40%, and is led to
The diameter range in hole 1173 is 0.5-1mm.
Preferably, the thickness range of the plus plate current-collecting body paillon foil 1171 is 5-25 μm；The thickness of negative current collector paillon foil
Scope is 35-40 μm.
Preferably, two electroplating surface thickness ranges of the negative current collector paillon foil are the lithium metal of 0.45-0.55mm
Layer.
Preferably, the electrolyte is lithium hexafluoro phosphate LiPF6.
Preferably, the plus plate current-collecting body paillon foil 1171 includes metal aluminum foil and graphite ene coatings；The graphite ene coatings
It is arranged at metal foil surface.
Preferably, the thickness range of the graphite ene coatings is 0.5-3 μm.
Compared with prior art, a kind of new type lithium ion battery structure 1 with higher-security energy of the utility model is led to
Cross and open up the liquid injection hole 111 that is connected with the inside tank body space of housing 11 in the bottom of housing 11, and at the position of the liquid injection hole 111
The steel ball that welding seals, such structure design has just reserved more space for the upper end of housing 11, can be preferable
Set positive terminal 113 and cathode nickel sheet 115, it is ensured that both positive and negative polarity will not contact short circuit, reduce the potential safety hazard of battery, improve
The security performance of product, the design simple structure, degree of safety is high, long service life, can obtain good using effect, meets
Actual demand, while also solving the assembling problem of the small lithium ion battery with aluminum shell of width.
Above-described the utility model implementation method, does not constitute the restriction to the utility model protection domain.It is any
Modification, equivalent and improvement made within spirit of the present utility model and principle etc., should be included in the utility model
Claims within.
Claims (8)
1. it is a kind of with higher-security can new type lithium ion battery structure, it is characterised in that：Including aluminum housing, it is arranged at
The cover plate of housing upper-end part of driving and the battery roll core and electrolyte that are sealed in the housing and cover plate；The housing bottom is opened
The liquid injection hole connected with enclosure interior tank body space is provided with, the steel ball for sealing is welded with the liquid injection hole position；
The housing bottom thickness 0.1-0.2mm bigger than diameter of the steel ball；The width of the housing is less than 25mm；
The battery roll core includes positive plate, negative plate and the electrode diaphragm band being arranged between positive plate and negative plate；Institute
Stating positive plate includes plus plate current-collecting body paillon foil and the positive pole ear being welded on the plus plate current-collecting body paillon foil；The negative plate
Including negative current collector paillon foil and the negative lug being welded on the negative current collector paillon foil；The electrode diaphragm band is table
Face is coated with the polyethylene individual layer barrier film of titanium oxide fine powder coating；And the thickness range of the titanium oxide fine powder coating is 0.3-
0.48μm；
The negative current collector paillon foil is planar structure；Concaveconvex structure is provided with the plus plate current-collecting body paillon foil, overall is in pleat
Corrugation；And the length of the plus plate current-collecting body paillon foil is more than the length of negative current collector paillon foil.
2. it is as claimed in claim 1 it is a kind of with higher-security can new type lithium ion battery structure, it is characterised in that：Institute
State cover plate outside and the positive terminal and cathode nickel sheet being correspondingly arranged with the positive pole ear and negative lug of enclosure interior respectively are set；
Also include being arranged at electro-insulating rubber layer and positive conductive flaggy and the negative conductive flaggy on the inside of cover plate；The insulation rubber
Glue-line is located between cover plate and conductive plate layer；And electro-insulating rubber layer middle part extends downwardly and leads positive conductive flaggy and negative pole
Electroplax layer is kept apart；The positive pole ear is connected with positive conductive flaggy, and positive conductive flaggy is connected with positive terminal；The negative pole
Lug is connected with negative conductive flaggy, and negative conductive flaggy is electrically connected with cathode nickel sheet.
3. it is as claimed in claim 2 it is a kind of with higher-security can new type lithium ion battery structure, it is characterised in that：
The through hole of several matrix forms setting is offered on the plus plate current-collecting body paillon foil, and the two sides of plus plate current-collecting body paillon foil all coats
There are positive electrode active materials；The voidage of the through hole is 30-40%, and the diameter range of through hole is 0.5-1mm.
4. it is as claimed in claim 3 it is a kind of with higher-security can new type lithium ion battery structure, it is characterised in that：Institute
The thickness range for stating plus plate current-collecting body paillon foil is 5-25 μm；The thickness range of negative current collector paillon foil is 35-40 μm.
5. it is as claimed in claim 1 it is a kind of with higher-security can new type lithium ion battery structure, it is characterised in that：Institute
Two electroplating surface thickness ranges for stating negative current collector paillon foil are the metallic lithium layer of 0.45-0.55mm.
6. it is as claimed in claim 1 it is a kind of with higher-security can new type lithium ion battery structure, it is characterised in that：Institute
Electrolyte is stated for lithium hexafluoro phosphate LiPF6.
7. it is as claimed in claim 5 it is a kind of with higher-security can new type lithium ion battery structure, it is characterised in that：Institute
Stating plus plate current-collecting body paillon foil includes metal aluminum foil and graphite ene coatings；The graphite ene coatings are arranged at metal foil surface.
8. it is as claimed in claim 7 it is a kind of with higher-security can new type lithium ion battery structure, it is characterised in that：Institute
The thickness range for stating graphite ene coatings is 0.5-3 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621451368.0U CN206271807U (en) | 2016-12-28 | 2016-12-28 | A kind of new type lithium ion battery structure with higher-security energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621451368.0U CN206271807U (en) | 2016-12-28 | 2016-12-28 | A kind of new type lithium ion battery structure with higher-security energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206271807U true CN206271807U (en) | 2017-06-20 |
Family
ID=59047581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621451368.0U Expired - Fee Related CN206271807U (en) | 2016-12-28 | 2016-12-28 | A kind of new type lithium ion battery structure with higher-security energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206271807U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023279230A1 (en) * | 2021-07-05 | 2023-01-12 | Hefei Gotion High-Tech Power Energy Co., Ltd. | Cylindrical battery cell, battery and method for forming cylindrical battery cell |
-
2016
- 2016-12-28 CN CN201621451368.0U patent/CN206271807U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023279230A1 (en) * | 2021-07-05 | 2023-01-12 | Hefei Gotion High-Tech Power Energy Co., Ltd. | Cylindrical battery cell, battery and method for forming cylindrical battery cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170620 Termination date: 20201228 |