CN102544418A - Shell-shared lithium-ion battery pack - Google Patents
Shell-shared lithium-ion battery pack Download PDFInfo
- Publication number
- CN102544418A CN102544418A CN2010105762728A CN201010576272A CN102544418A CN 102544418 A CN102544418 A CN 102544418A CN 2010105762728 A CN2010105762728 A CN 2010105762728A CN 201010576272 A CN201010576272 A CN 201010576272A CN 102544418 A CN102544418 A CN 102544418A
- Authority
- CN
- China
- Prior art keywords
- battery
- insulating frame
- battery pack
- shell
- ion battery
- 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.)
- Pending
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 16
- 239000011888 foil Substances 0.000 claims abstract description 18
- 239000002905 metal composite material Substances 0.000 claims abstract description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 5
- 239000003792 electrolyte Substances 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000178 monomer Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000011532 electronic conductor Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
Images
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
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- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to a shell-shared lithium-ion battery pack. The shell-shared lithium-ion battery pack comprises more than two square single batteries and more than two end plates, wherein the single batteries are sequentially and fixedly arranged between the two end plates and then are arranged in a shell; and each single battery comprises an insulating frame and a battery core in the insulating frame, rubber sealing rings are filled in sealing slots on two surfaces of the insulating frame, and a metal composite foil is clamped between the adjacent rubber sealing rings. According to the shell-shared lithium-ion battery pack disclosed by the invention, each single battery is not provided with a self independent shell, and the metal composite foil is used for electrically connecting the single batteries and isolating the electrolytes of different single batteries, and the rubber sealing rings on the two surface of the insulating frame can be used for preventing edges from leaking current; in addition, a polar post on the insulating frame is integrally welded with polar lugs of battery cores so that the utilization of an easily realized small current managing system is realized after large-capacity single batteries are connected in series, and the safe charge and discharge of a battery pack can be ensured; and when the small-capacity batteries are connected in parallel to form the large-capacity single batteries, specific energy of the battery pack can be improved.
Description
Technical field
The invention belongs to the battery technology field, particularly relate to a kind of housing lithium ion battery group altogether.
Background technology
Along with the critical shortage of global non-renewable energy resources, green energy resource can recover additional after consuming with it, seldom produces the advantage of polluting and substitutes non-renewable energy resources gradually.Like the automotive field the gasoline consumption rich and influential family, power lithium-ion battery becomes actuating force indispensable in the development of automobile with the characteristics of its high voltage, high power capacity and high power output instead of gasoline gradually.The lithium-ions battery group of present known high voltage, big capacity, high power output mainly adopts large capacity single body battery tandem compound to form; But because discharge, charging current reach tens even hundreds of and even go up kiloampere; So big electric current has only the difficult large current density electric management system of realizing of other employing when battery charging and discharge; Otherwise damage battery pack easily even can cause danger; And the performance index of batteries are different, are difficult to it with suitable management system.Be combined into high capacity cell if adopt small-capacity cells to carry out parallel connection,, cause the specific energy of battery pack to reduce because baby battery inert matter ratio is high.
Summary of the invention
The objective of the invention is to overcome the weak point of prior art, common housing lithium ion battery group is provided, this batteries need not to adopt in addition the management of charging and discharging system when adopting large capacity single body battery tandem compound to form, and can guarantee that the safety of battery pack discharges and recharges; When adopting small-capacity cells to carry out parallel connection to be combined into high capacity cell, can improve the specific energy of battery pack.
This patent can also adopt following technical measures to realize:
Be total to housing lithium ion battery group; Comprise two above square individual batteries and end plate, cell is arranged in order to be installed in and is placed between the two end plates in the housing, it is characterized in that: said cell comprises that upper ledge has the Insulating frame and the battery that is arranged in Insulating frame of liquid injection hole; The one side of battery is positive pole-face; The another side of battery is the negative pole face, and the positive and negative lug of battery is connected as a single entity with the positive and negative terminals that passes Insulating frame is corresponding, on the frame on Insulating frame two sides seal groove is arranged; Be filled with rubber seal in the said seal groove, accompany the metal composite foils that two or more metal material constitutes one between the adjacent seals circle.
And the side of the positive electrode of said metal composite foils is an aluminum or aluminum alloy, is positioned at the positive pole-face of battery; The negative side of said metal composite foils is a kind of in nickel, nickel alloy, copper, the copper alloy, is positioned at the negative pole face of battery.
And the cell and the two end plates that are arranged in order are loaded into one by screw and nut, or take welding, bonding way to be loaded into one.
Advantage and good effect that the present invention has are:
1, cell does not have oneself independently housing in the batteries of the present invention; Adopt composite metallic material both as the electrical connection between monomer; The electrolyte that can isolate different monomers again; The rubber seal on Insulating frame two sides is avoided edge leakage current, and the lug weldering that will pass and be fixed on battery in pole and the Insulating frame on the Insulating frame again is one, has realized protection, the equilibrium of battery pack; Therefore use the little current management system that realizes easily when large capacity single body battery tandem compound forms, can guarantee that the safety of battery pack discharges and recharges; When the small-capacity cells parallel connection is combined into high capacity cell, can improve the specific energy of battery pack.
Description of drawings
Fig. 1 is a battery pack structure sketch map of the present invention;
Fig. 2 is that the cell master looks sketch map among Fig. 1;
Fig. 3 is that sketch map is looked on the left side of Fig. 2;
Fig. 4 is a metal composite foils cross section enlarged diagram among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and through specific embodiment the present invention is made further detailed description, following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
Housing lithium ion battery group comprises two above square individual batteries 3 and end plate 1 altogether, and cell is arranged in order and is installed between the two end plates; Said cell comprises that upper ledge has the Insulating frame 6 and the battery 11 that is arranged in Insulating frame of liquid injection hole 9, and the one side of battery is positive pole-face, and the another side of battery is the negative pole face; There are two lugs 10 to be respectively anode ear and negative electrode lug on the battery; Have two poles 8 to pass the upper ledge of Insulating frame, be respectively positive terminal and negative terminal, anode ear and positive terminal are integrally welded; Negative electrode lug and negative terminal are integrally welded; Seal groove 15 is arranged on the frame on Insulating frame two sides, be filled with in the said seal groove and accompany the metal composite foils 2 that two or more metal material constitutes one between 7, two adjacent sealing rings of rubber seal; The side of the positive electrode 12 of metal composite foils is an aluminum or aluminum alloy, is positioned at the positive pole-face of battery; The negative side 13 of said metal composite foils is a kind of in nickel, nickel alloy, copper, the copper alloy, is positioned at the negative pole face of battery.Metal composite foils in the present embodiment is that aluminium alloy and copper alloy hot pressing are one.The aluminium alloy face of metal composite foils is attached to the positive pole-face of battery, the copper alloy face of metal composite foils is attached to the negative pole face of battery, be arranged in order and be placed between the two end plates, after two end plates is stepped up, process common housing lithium ion battery group.Also can the aluminium alloy face of metal composite foils be attached to the positive pole-face of battery; The copper alloy face of metal composite foils is attached to the negative pole face of battery; Be arranged in order and be placed between the two end plates; After being tightened to one by screw 4 and nut 5, reinstall in the battery container 14, process common housing lithium ion battery group.Carry out fluid injection at last as required and change into.
Operation principle of the present invention is:
Because aluminum or aluminum alloy does not react after contacting with positive pole; Nickel, nickel alloy, copper, copper alloy and do not react after negative pole contacts, metal composite foils not only possesses the function of electronic conductor, and plays the effect of the electrolyte of isolating different monomers; Draw the lug in the battery through pole, the protection battery realizes protection, the equilibrium of battery pack.Therefore use the little current management system that realizes easily when large capacity single body battery tandem compound forms, can guarantee that the safety of battery pack discharges and recharges; When the small-capacity cells parallel connection is combined into high capacity cell, can improve the specific energy of battery pack.
Claims (3)
1. be total to housing lithium ion battery group; Comprise two above square individual batteries and end plate, cell is arranged in order to be installed in and is placed between the two end plates in the housing, it is characterized in that: said cell comprises that upper ledge has the Insulating frame and the battery that is arranged in Insulating frame of liquid injection hole; The one side of battery is positive pole-face; The another side of battery is the negative pole face, and the positive and negative lug of battery is connected as a single entity with the positive and negative terminals that passes Insulating frame is corresponding, on the frame on Insulating frame two sides seal groove is arranged; Be filled with rubber seal in the said seal groove, accompany the metal composite foils that two or more metal material constitutes one between the adjacent seals circle.
2. housing lithium ion battery group altogether according to claim 1, it is characterized in that: the side of the positive electrode of said metal composite foils is an aluminum or aluminum alloy, is positioned at the positive pole-face of battery; The negative side of said metal composite foils is a kind of in nickel, nickel alloy, copper, the copper alloy, is positioned at the negative pole face of battery.
3. housing lithium ion battery group altogether according to claim 1, it is characterized in that: the cell and the two end plates that are arranged in order are loaded into one by screw and nut, or take welding, bonding way to be loaded into one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105762728A CN102544418A (en) | 2010-12-07 | 2010-12-07 | Shell-shared lithium-ion battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105762728A CN102544418A (en) | 2010-12-07 | 2010-12-07 | Shell-shared lithium-ion battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102544418A true CN102544418A (en) | 2012-07-04 |
Family
ID=46350811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105762728A Pending CN102544418A (en) | 2010-12-07 | 2010-12-07 | Shell-shared lithium-ion battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102544418A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577218A (en) * | 2014-12-03 | 2015-04-29 | 超威电源有限公司 | Unipolar horizontal battery and manufacturing method thereof |
| CN106229439A (en) * | 2016-09-27 | 2016-12-14 | 中国电子科技集团公司第十八研究所 | Laminated nested battery cell case and battery pack |
| CN108695454A (en) * | 2017-04-12 | 2018-10-23 | 镇江臻晟能源科技有限公司 | A kind of novel seal Hawkins cell |
| CN114824594A (en) * | 2022-05-31 | 2022-07-29 | 合肥国轩高科动力能源有限公司 | Composite aluminum-plastic film and pre-lithiation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09134735A (en) * | 1995-11-10 | 1997-05-20 | Toyota Motor Corp | Storage battery |
| CN101355182A (en) * | 2008-09-25 | 2009-01-28 | 周金平 | Dynamic lithium ion battery |
| JP4300310B2 (en) * | 2003-11-13 | 2009-07-22 | 日産自動車株式会社 | Bipolar battery, assembled battery, composite assembled battery, and vehicle using assembled battery or composite assembled battery |
| CN101772852A (en) * | 2007-08-06 | 2010-07-07 | 戴姆勒股份公司 | Single cell for a battery for making electrical contact |
-
2010
- 2010-12-07 CN CN2010105762728A patent/CN102544418A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09134735A (en) * | 1995-11-10 | 1997-05-20 | Toyota Motor Corp | Storage battery |
| JP4300310B2 (en) * | 2003-11-13 | 2009-07-22 | 日産自動車株式会社 | Bipolar battery, assembled battery, composite assembled battery, and vehicle using assembled battery or composite assembled battery |
| CN101772852A (en) * | 2007-08-06 | 2010-07-07 | 戴姆勒股份公司 | Single cell for a battery for making electrical contact |
| CN101355182A (en) * | 2008-09-25 | 2009-01-28 | 周金平 | Dynamic lithium ion battery |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577218A (en) * | 2014-12-03 | 2015-04-29 | 超威电源有限公司 | Unipolar horizontal battery and manufacturing method thereof |
| CN106229439A (en) * | 2016-09-27 | 2016-12-14 | 中国电子科技集团公司第十八研究所 | Laminated nested battery cell case and battery pack |
| CN106229439B (en) * | 2016-09-27 | 2019-02-26 | 中国电子科技集团公司第十八研究所 | Stacking nested battery monomer shell and battery pack |
| CN108695454A (en) * | 2017-04-12 | 2018-10-23 | 镇江臻晟能源科技有限公司 | A kind of novel seal Hawkins cell |
| CN114824594A (en) * | 2022-05-31 | 2022-07-29 | 合肥国轩高科动力能源有限公司 | Composite aluminum-plastic film and pre-lithiation method |
| CN114824594B (en) * | 2022-05-31 | 2023-06-27 | 合肥国轩高科动力能源有限公司 | Composite aluminum plastic film and pre-lithiation method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120704 |