CN102035018B - Square lithium-ion battery - Google Patents
Square lithium-ion battery Download PDFInfo
- Publication number
- CN102035018B CN102035018B CN200910190533.XA CN200910190533A CN102035018B CN 102035018 B CN102035018 B CN 102035018B CN 200910190533 A CN200910190533 A CN 200910190533A CN 102035018 B CN102035018 B CN 102035018B
- Authority
- CN
- China
- Prior art keywords
- ion battery
- lithium ion
- substrate
- baffle
- pole
- 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.)
- Active
Links
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 43
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000000758 substrate Substances 0.000 claims abstract description 28
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000004904 shortening Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a square lithium-ion battery, comprising a lithium-ion battery and a circuit protection board. The lithium-ion battery comprises a shell containing a substrate, and a terminal post used for extracting an electrode is arranged on the substrate. An insulating part is installed between the substrate and the terminal post. The positive and negative poles of the protection board are electrically connected with the positive and negative poles of the lithium-ion battery respectively. The insulating part on the periphery of the terminal post stretches along the outer side of the substrate and stretches with three sides upward out of a clamping part for fastening the protection board. The protection board and the substrate are fastened vertically on the clamping part. The lithium-ion battery provided by the invention has the advantages of simplifying the production process, reducing the manufacturing cost, and shortening the manufacturing cycle, thereby realizing miniaturization and thinning of the battery.
Description
Technical field
The present invention relates to field of lithium, particularly relate to a kind of rectangular lithium ion battery group.
Background technology
Mancarried electronic aid small or thin type, this trend require as its power supply battery or battery pack is small-sized, thin type and high capacity.As the small-sized and battery of high capacity, lithium ion battery is widely applied because of high voltage, high-energy-density, and wherein the lithium rechargeable battery of inclined square of shape is applicable to the thin type of equipment.
Lithium ion battery arranges circuit board, forms battery protecting circuit, and protection secondary cell avoids overcharge or overdischarge.Circuit board is contained in assembly housing together with lithium ion battery, forms the battery pack that can be directly used in portable equipment.As shown in Figure 1, the both positive and negative polarity of baffle 1 ' is electrically connected with the rivet 3 ' on the substrate 2 ' of lithium ion battery, nickel strap 4 ' respectively, and baffle 1 ', substrate 2 ', battery container 5 ' etc. are contained in assembly housing 6 ' together.
But assembly housing utilizes resin forming manufacture usually, costly, thus the cost of assembly housing adds the expense of lithium ion battery to thus shaping Making mold, causes cost to improve.And the mould development time is long, when battery pack as electronic equipments such as portable telephones, be difficult to adapt to new architecture and enter the market the short requirement in interval.In addition, the finite thickness of assembly housing resin forming.But in contrast, in order to keep battery strength, need to increase thickness, thus make the miniaturization of battery pack, thin type is restricted.
Summary of the invention
The object of the invention is the problems referred to above for prior art, a kind of miniaturization, the thin type rectangular lithium ion battery group with high volume density are provided.
For solving the problems of the technologies described above; the invention provides a kind of rectangular lithium ion battery group; comprise lithium ion battery and circuit protection plate; lithium ion battery comprises housing; housing comprises substrate; substrate is provided with the pole for extraction electrode; insulating part is provided with between substrate and pole; the both positive and negative polarity of baffle is electrically connected with lithium ion battery plus-negative plate respectively; the insulating part of pole periphery is outside substrate and the shackle member extended upward for fastening baffle, and baffle and substrate are fastened in this shackle member perpendicularly.
Preferably, described shackle member is provided with Access Division, and baffle embeds by the draw-in groove of Access Division.
Preferred hungry further, be provided with the brace table for withstanding baffle inside the draw-in groove of described Access Division.
The both positive and negative polarity of described baffle is connected with lithium ion battery plus-negative plate respectively by wire.
In the specific embodiment of the present invention, lithium ion battery plus-negative plate is drawn by housing, pole.
Described housing is preferably provided with the metal tape connecting described wire.
Described metal tape is preferably nickel strap.
Owing to have employed above technical scheme, the beneficial effect that the present invention is possessed is:
(1) the present invention by by insulating part outside substrate and upwards extend to form shackle member, and baffle is directly fastened in this shackle member, avoid in conventional lithium ion battery group the step needing protective circuit plate and lithium ion battery to be jointly installed in assembly housing, simplify production technology; Li-ion batteries piles of the present invention does not need assembly housing, directly can stick labeling outside battery container and shackle member and make finished product, achieve the miniaturization of battery pack, slimming; Eliminate the Making mold expense of assembly housing in conventional batteries, reduce battery cost; Avoid the problem of assembly housing mould development time length, the manufacturing cycle shortens, and can adapt to the needs that electronic equipment updates fast; Baffle is fastened in shackle member perpendicular to substrate; the golden finger position on baffle can be made in the side of battery component on the one hand; to adapt to the needs of some electronic equipment; when baffle can be fastened on shackle member in the process of assembling circuit baffle on the other hand; the wire that baffle is connected with rivet and metal tape is in free extended configuration; wire can not impact assembly operation, and assembling also can not extrude wire and cause loose contact.
(2) by arranging Access Division in shackle member; baffle embeds by the draw-in groove of Access Division; baffle firmly can be fastened in shackle member on the one hand; the mode embedded on the other hand can make circuit protection plate, shackle member and battery container form compact profile, adapts to the needs of battery pack miniaturization, slimming further.
(3) shackle member is provided with the brace table for withstanding baffle inside draw-in groove, and have sufficient intensity after can making the draw-in groove in baffle link portion, pressurized is indeformable.
(4) housing arranges metal tape, conventional aluminium mass shell body can be improved and between wire, weld not good enough problem; Metal tape is preferably nickel strap, is convenient to and the welding of circuit protection plate nickel wire line.
Accompanying drawing explanation
Fig. 1 is a kind of rectangular lithium ion battery group cutaway view of prior art.
Fig. 2 to Fig. 4 is the assembling process cutaway view of a kind of execution mode of rectangular lithium ion battery group of the present invention.
Fig. 5 to Fig. 8 is the assembling process perspective view of a kind of execution mode of rectangular lithium ion battery group of the present invention.
Embodiment
By reference to the accompanying drawings the present invention is described in further detail below by embodiment.
Embodiment one:
Please refer to Fig. 2 to 8.
A kind of rectangular lithium ion battery group, comprise lithium ion battery and circuit protection plate 1, lithium ion battery comprises housing 5, and housing comprises substrate 2, substrate 2 is provided with the pole of rivet 3 as extraction electrode, is provided with insulating part 7 between substrate 2 and rivet 3.Substrate 2 is also provided with nickel strap 4.The both positive and negative polarity of baffle 1 is connected with nickel strap 4 with the rivet 3 on substrate 2 respectively by wire 10.
The insulating part of rivet 3 periphery extends the shackle member 8 for fastening baffle 1 outside substrate 2 and at substrate edges place three towards Shangdi; and the Access Division 9 of vertical substrate is provided with at opening part; baffle 1 embeds by the draw-in groove of Access Division 9, thus baffle 1 and substrate 2 are fastened in shackle member 8 perpendicularly.Shackle member is provided with the brace table 13 for withstanding baffle inside draw-in groove, and have sufficient intensity after can making the draw-in groove in baffle 1 link portion, pressurized is indeformable.
Baffle 1 arranges golden finger 11 in battery surface side, and battery pack comprises surface six envelopes at housing 5 and shackle member outside and is wrapped with battery labeling 12, only leaves opening in golden finger position and exposes golden finger.
Above content is in conjunction with concrete execution mode further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (8)
1. a rectangular lithium ion battery group, comprise lithium ion battery and circuit protection plate, lithium ion battery comprises housing, housing comprises substrate, substrate is provided with the pole for extraction electrode, insulating part is provided with between substrate and pole, the both positive and negative polarity of baffle is electrically connected with lithium ion battery plus-negative plate respectively, it is characterized in that: the described insulating part of pole periphery is outside substrate and the shackle member extended upward for fastening baffle, baffle is fastened in described shackle member, and described baffle and substrate perpendicular; Described shackle member is provided with Access Division, and baffle embeds by the draw-in groove of Access Division; The brace table for withstanding baffle is provided with inside the draw-in groove of described Access Division.
2. rectangular lithium ion battery group according to claim 1, is characterized in that: the both positive and negative polarity of described baffle is connected with lithium ion battery plus-negative plate respectively by wire.
3. rectangular lithium ion battery group according to claim 2, is characterized in that: the positive pole of lithium ion battery is drawn by pole, and negative pole is drawn by housing.
4. rectangular lithium ion battery group according to claim 3, is characterized in that: described housing is provided with the metal tape connecting described wire.
5. rectangular lithium ion battery group according to claim 4, is characterized in that: described metal tape is nickel strap.
6. rectangular lithium ion battery group according to claim 1, is characterized in that: the positive pole of lithium ion battery is drawn by pole, and negative pole is drawn by housing.
7. rectangular lithium ion battery group according to claim 6, is characterized in that: described housing is provided with the metal tape for drawing battery electrode.
8. the battery pack of rectangular lithium ion according to claim 7, is characterized in that: described metal tape is nickel strap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910190533.XA CN102035018B (en) | 2009-09-29 | 2009-09-29 | Square lithium-ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910190533.XA CN102035018B (en) | 2009-09-29 | 2009-09-29 | Square lithium-ion battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102035018A CN102035018A (en) | 2011-04-27 |
| CN102035018B true CN102035018B (en) | 2015-01-21 |
Family
ID=43887583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910190533.XA Active CN102035018B (en) | 2009-09-29 | 2009-09-29 | Square lithium-ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102035018B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354766B (en) * | 2011-09-16 | 2013-08-14 | 深圳市格瑞普电池有限公司 | Lithium ion battery pack |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2722445Y (en) * | 2004-06-24 | 2005-08-31 | 比亚迪股份有限公司 | Leading structure of battery and lithium ion battery therewith |
| US20080226980A1 (en) * | 2007-03-15 | 2008-09-18 | Woochoul Kim | Protection circuit board for secondary battery and secondary battery using the protection circuit board |
| EP2043181A1 (en) * | 2007-09-27 | 2009-04-01 | Samsung SDI Co., Ltd. | Protection circuit module for a secondary battery |
| CN201266648Y (en) * | 2008-08-27 | 2009-07-01 | 深圳市比克电池有限公司 | Lithium ion battery |
-
2009
- 2009-09-29 CN CN200910190533.XA patent/CN102035018B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2722445Y (en) * | 2004-06-24 | 2005-08-31 | 比亚迪股份有限公司 | Leading structure of battery and lithium ion battery therewith |
| US20080226980A1 (en) * | 2007-03-15 | 2008-09-18 | Woochoul Kim | Protection circuit board for secondary battery and secondary battery using the protection circuit board |
| EP2043181A1 (en) * | 2007-09-27 | 2009-04-01 | Samsung SDI Co., Ltd. | Protection circuit module for a secondary battery |
| CN201266648Y (en) * | 2008-08-27 | 2009-07-01 | 深圳市比克电池有限公司 | Lithium ion battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102035018A (en) | 2011-04-27 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161017 Address after: An Zhen Zhongmu County 451470 Henan city of Zhengzhou Province Liu Zheng Qiao Village Patentee after: ZHENGZHOU BAK BATTERY Co.,Ltd. Address before: Kwai Chung street Beek Industrial Park in Longgang District of Shenzhen City, Guangdong province 518119 Patentee before: SHENZHEN BAK BATTERY Co.,Ltd. |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20191022 Granted publication date: 20150121 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20221022 Granted publication date: 20150121 |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20221022 Granted publication date: 20150121 |