CN108565375A - A kind of lightweight lithium ion battery with high energy density module and its assemble method - Google Patents
A kind of lightweight lithium ion battery with high energy density module and its assemble method Download PDFInfo
- Publication number
- CN108565375A CN108565375A CN201810621996.6A CN201810621996A CN108565375A CN 108565375 A CN108565375 A CN 108565375A CN 201810621996 A CN201810621996 A CN 201810621996A CN 108565375 A CN108565375 A CN 108565375A
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- China
- Prior art keywords
- module
- battery
- confluence
- receiving holder
- energy density
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Classifications
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- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The present invention provides a kind of lightweight lithium ion battery with high energy density module, including battery modules ontology, the module electrode assembly for being located at battery modules ontology both ends and the insulation board for being located at battery modules ontology both sides, the battery modules ontology includes several receiving holders arranged in parallel, several lithium-ion electric cores are equipped between the receiving holder, the two-way receiving branch is erected between the unidirectional receiving holder, the total positive electrode of module and the total cathode component of the module respectively include the compound confluence piece being sequentially arranged on the unidirectional receiving holder, module cylinder manifold and module fixed plate, anode confluence nickel sheet is equipped between the compound confluence piece of the total positive electrode of module and the unidirectional receiving holder.The present invention facilitates carry out automated production, while improving capacity efficiency, directly effectively improves whole energy density ratio.
Description
Technical field
The invention belongs to battery modules technical fields, and in particular to a kind of lightweight lithium ion battery with high energy density module
And its assemble method.
Background technology
Battery pack used in electric vehicle, technology, necessarily towards high-energy density, high course continuation mileage, low cost and
The convenient equal directions of installation maintenance are developed, these developing direction not only conform to market objective demand and country is dedicated to guiding and pushes away
Dynamic institute to.
And during createing the power battery pack of above-mentioned requirements and constantly improving, it is not only and needs to battery core material
The quickening of material improves, and structure, which easily constantly improves also, seems particularly significant, because energy density improves basis than most intuitive
It is structure assembling link.
Currently marketed tradition lithium electricity module is not only matched in view of traditional supporting structure always is used by it
Part is various, and process and assemble is complicated, can not accomplish more efficiently to automate, restrict the drop of battery production capacity and cost always
It is low.
Invention content
The object of the present invention is to provide a kind of lightweight lithium ion battery with high energy density module and its assemble method, structures
Simply, facilitate carry out automated production, while improving capacity efficiency, directly effectively improve whole energy density ratio.
The present invention provides the following technical solutions：
A kind of lightweight lithium ion battery with high energy density module, including battery modules ontology, it is located at the battery modules
The module electrode assembly at ontology both ends and the insulation board for being located at battery modules ontology both sides, the battery modules ontology include
Several receiving holders arranged in parallel are equipped with several lithium-ion electric cores, the receiving holder packet between the receiving holder
Two-way receiving holder and unidirectional receiving holder are included, the unidirectional receiving branch is erected at the both ends of the battery modules ontology, described
Two-way receiving branch is erected between the unidirectional receiving holder, and the module electrode assembly includes being respectively provided at described in both ends unidirectionally
Accommodate the total positive electrode of module and the total cathode component of module, the total positive electrode of module and the total cathode of the module on holder
Component respectively includes the compound confluence piece, module cylinder manifold and the module fixed plate that are sequentially arranged on the unidirectional receiving holder, institute
It states and is equipped with anode confluence nickel sheet between the compound confluence piece of the total positive electrode of module and the unidirectional receiving holder.
Preferably, the lithium-ion electric core is respectively equipped with battery core anode and battery core cathode, described in the battery core anode corresponds to
The total positive electrode extreme direction of module is located on the receiving holder, and the battery core cathode corresponds to the total cathode assembly end side of the module
To being located on the receiving holder, the face of the corresponding receiving holder of the battery core cathode is equipped with several confluence pawls, described
Battery core cathode is mounted on by the confluence pawl on the receiving holder.
Preferably, the confluence pawl draws angle equipped with voltage acquisition.
Preferably, the unidirectional receiving branch is provided with welding surface and battery core receiving face, and the lithium-ion electric core is located at described
On battery core receiving face, the compound confluence piece and the anode confluence nickel sheet are located on the welding surface.
Preferably, close to the unidirectional receiving holder of the total positive electrode one end of the module on the battery modules ontology
It is equipped with total anode acquisition and draws angle.
Preferably, the anode confluence nickel sheet is equipped with several welding convex surfaces and screw hole A, if the compound confluence piece is equipped with
Dry welding process hole and screw hole B, the welding convex surface and the welding process hole are corresponding, the screw hole A and the spiral shell
Wire hole B is corresponding.
Preferably, the module cylinder manifold is equipped with fixed screw holes A and power line is connected and fixed screw hole, the module
Cylinder manifold is fixed on the compound confluence on piece by the fixed screw holes A.
Preferably, the module fixed plate is equipped with the vertical gap adjusting card slot of intersection and lateral clearance adjusts card slot,
It is corresponding with the fixed screw holes A that fixed screw holes B, the fixed screw holes B are equipped in the gap adjustment card slot.
A kind of assemble method of lightweight lithium ion battery with high energy density module, includes the following steps：
S1：Battery modules ontology is assembled, several lithium-ion electric cores are unified direction by electrode is mounted on two-way receiving holder
Between, the lithium-ion electric core at both ends is fixed using unidirectional receiving holder, is assembled into battery modules ontology；
S2：The piece that converges is installed, and anode confluence nickel sheet is carried out screw with compound confluence piece by the reserved screw hole of the two
Locking is welded on the unidirectional receiving holder of battery core anode one end, and directly welding is multiple on the unidirectional receiving holder of battery core cathode one end
Close confluence piece；
S3：Module electrode assembly assembles, and module cylinder manifold, module fixed plate are in turn mounted to the compound confluence piece at both ends
Outside is fixed by screws, and completes the installation of module electrode assembly；
S4：It installs insulation board additional, insulation board is installed at the both sides of battery modules ontology and is fixed, final battery is completed
Module group assembling.
Preferably, the welding process hole that the welding in the S2 passes through compound confluence on piece using the laser beam of laser welder
Welding convex surface in anode confluence nickel sheet is welded together with the battery core end face in holder welding connecting hole.
The beneficial effects of the invention are as follows：Battery modules are based on supporting structure, form module simple in structure, this module side
Just automated production is carried out, while improving capacity efficiency, because its accessory is few, it is close to be directly effectively improved whole energy
Degree ratio.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings：
Fig. 1 is overall structure of the present invention；
Fig. 2 is battery modules ontology disassembly and assembly structure schematic diagram of the present invention；
Fig. 3 is module electrode disassembly and assembly structure schematic diagram of the present invention；
Fig. 4 is module confluence plate structure schematic diagram of the present invention；
Fig. 5 is module fixed plate structure schematic diagram of the present invention；
In figure label for：1. battery modules ontology；11. lithium-ion electric core；111. battery core is positive；112. battery core cathode；12.
Unidirectional receiving holder；121. welding surface；122. battery core accommodates face；13. two-way receiving holder；14. converge pawl；15. total anode is adopted
Collection draws angle；16. voltage acquisition draws angle；2. the total positive electrode of module；21. anode confluence nickel sheet；211. welding convex surfaces；212. screw
Hole A；22. compound confluence piece；221. welding process hole；222. screw hole B；23. module cylinder manifold；231. fixed screw holes A；
232. power lines are connected and fixed screw hole；24. module fixed plate；241. vertical gaps adjust card slot；242. lateral clearances are adjusted
Card slot；243. fixed screw holes B；3. the total cathode component of module；4. insulation board.
Specific implementation mode
As shown in Figure 1, a kind of lightweight lithium ion battery with high energy density module, including battery modules ontology 1, it is located at electricity
The module electrode assembly at 1 both ends of pond module ontology and the insulation board 4 for being located at 1 both sides of battery modules ontology, module electrode assembly packet
Include the total positive electrode 2 of module for being respectively provided at both ends and the total cathode component of module 3.
As depicted in figs. 1 and 2, battery modules ontology 1 includes several two-way receiving holders 13 arranged in parallel, two-way
Several lithium-ion electric cores 11 are equipped between receiving holder 13, the lithium electronics battery core 11 at the most both ends of battery modules ontology 1 is by unidirectionally receiving
Hold holder 12 to be accommodated, lithium-ion electric core 11 is respectively equipped with battery core anode 111 and battery core cathode 112, and battery core anode 111 corresponds to
Total 2 direction of positive electrode of module is located on receiving holder, and battery core cathode 112 corresponds to total 3 direction of cathode component of module and is located at receiving
On holder, the face of the corresponding receiving holder of battery core cathode 112 is equipped with several confluence pawls 14, and battery core cathode 112 passes through the pawl that converges
14 are mounted on receiving holder.
Further, confluence pawl 14 draws angle 16 equipped with voltage acquisition, and each accommodate draws a voltage acquisition on holder
Angle is drawn in the acquisition for drawing angle 16 as battery core, is accommodated and is mounted with confluence pawl 14 in the holder of total cathode, the acquisition of total cathode draw angle be from
What the confluence pawl 14 inside holder extracted.Close to the unidirectional receiving of module total 2 one end of positive electrode branch on battery modules ontology 1
Frame 12 is equipped with total anode acquisition and draws angle 15, because 12 the inside of unidirectional receiving holder of total 2 one end of positive electrode of module is receiving
Battery core anode 111 is not installed confluence pawl 14, is stretched so not acquiring and drawing angle, needs to be put into a total anode acquisition at this time
Draw angle 15, is welded to positive 111 end faces of battery core.
As shown in Figure 1-Figure 3, the total positive electrode 2 of module and the total cathode component of module 3 respectively include being sequentially arranged at unidirectional receipts
Hold compound confluence piece 22, module cylinder manifold 23 and the module fixed plate 24 on holder 12, the compound confluence of the total positive electrode of module 2
Anode confluence nickel sheet 21 is equipped between piece 22 and unidirectional receiving holder 12.Unidirectional receiving holder 12 is equipped with welding surface 121 and battery core
Receiving face 122, lithium-ion electric core 11 are located on battery core receiving face 122, and compound confluence piece 22 and anode confluence nickel sheet 21 are located at weldering
In junction 121.Further, the material of compound confluence piece 22 and module cylinder manifold 23 is Copper steel cladding, plating nickel on surface, module
The material of fixed plate 24 is ABS+PC, is shaped using integral molded plastic, high temperature resistant, insulation effect is good.
As Figure 1-Figure 5, anode confluence nickel sheet 21 is equipped with several welding convex surfaces 211 and screw hole A212, compound confluence
Piece 22 is equipped with several welding process holes 221 and screw hole B222, welds convex surface 211 and welding process hole 221 is corresponding, screw hole
A212 and screw hole B222 are corresponding.Module cylinder manifold 23 is equipped with fixed screw holes A231 and power line is connected and fixed screw hole
232, module cylinder manifold 23 is fixed on by fixed screw holes A231 on compound confluence piece 22.Module fixed plate 24 is equipped with intersection
Vertical gap adjust card slot 241 and lateral clearance and adjust card slot 242, be equipped with fixed screw holes B243 in gap adjustment card slot,
Fixed screw holes B243 is corresponding with fixed screw holes A231.
As Figure 1-Figure 5, a kind of assemble method of lightweight lithium ion battery with high energy density module, including following step
Suddenly：
S1：Battery modules ontology 1 is assembled, several lithium-ion electric cores 11 are unified direction by electrode is mounted on two-way receiving branch
Between frame 13, the lithium-ion electric core 11 at both ends is fixed using unidirectional receiving holder 12, is assembled into battery modules ontology 1；
S2：The piece that converges is installed, and anode confluence nickel sheet 21 is carried out with compound confluence piece 22 by the reserved screw hole of the two
Screw locking is welded on the unidirectional receiving holder 12 of positive 111 one end of battery core, the unidirectional receiving holder of 112 one end of battery core cathode
Compound confluence piece 22 is directly welded on 12；
S3：Module electrode assembly assembles, and module cylinder manifold 23, module fixed plate 24 are in turn mounted to the compound remittance at both ends
22 outside of flow, is fixed by screws, and completes the installation of module electrode assembly；
S4：It installs insulation board 4 additional, insulation board 4 is installed at the both sides of battery modules ontology 1 and is fixed, complete final
Battery modules assemble.
Preferably, the welding in S2 will by the welding process hole on compound confluence piece 22 using the laser beam of laser welder
Welding convex surface 211 in anode confluence nickel sheet 21 is welded together with the battery core end face in holder welding connecting hole.
The present invention is based on supporting structures, form module simple in structure, this module facilitates carry out automated production, carrying
While high capacity efficiency, because its accessory is few, it is directly effectively improved whole energy density ratio.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features.All essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (9)
1. a kind of lightweight lithium ion battery with high energy density module, which is characterized in that including battery modules ontology, be located at it is described
The module electrode assembly at battery modules ontology both ends and the insulation board for being located at battery modules ontology both sides, the battery modules
Ontology includes several receiving holders arranged in parallel, and several lithium-ion electric cores, the receipts are equipped between the receiving holder
It includes two-way receiving holder and unidirectional receiving holder to hold holder, and the unidirectional receiving branch is erected at the two of the battery modules ontology
End, the two-way receiving branch are erected between the unidirectional receiving holder, and the module electrode assembly includes being respectively provided at both ends
The total positive electrode of module on the unidirectional receiving holder and the total cathode component of module, the total positive electrode of module and the mould
It is solid that the total cathode component of group respectively includes the compound confluence piece, module cylinder manifold and the module that are sequentially arranged on the unidirectional receiving holder
Fixed board is equipped with anode confluence nickel between the compound confluence piece of the total positive electrode of module and the unidirectional receiving holder
Piece.
2. a kind of lightweight lithium ion battery with high energy density module according to claim 1, which is characterized in that the lithium
Ion battery core is respectively equipped with battery core anode and battery core cathode, and the battery core anode corresponds to the total positive electrode extreme direction of the module and sets
On the receiving holder, the battery core cathode corresponds to the total cathode component extreme direction of the module and is located on the receiving holder,
The face of the corresponding receiving holder of the battery core cathode is equipped with several confluence pawls, and the battery core cathode passes through the confluence pawl
On the receiving holder.
3. a kind of lightweight lithium ion battery with high energy density module according to claim 1, which is characterized in that the remittance
Stream pawl draws angle equipped with voltage acquisition.
4. a kind of lightweight lithium ion battery with high energy density module according to claim 1, which is characterized in that the list
It is provided with welding surface to receiving branch and battery core accommodates face, the lithium-ion electric core is located on the battery core receiving face, described compound
Confluence piece and the anode confluence nickel sheet are located on the welding surface.
5. a kind of lightweight lithium ion battery with high energy density module according to claim 1, which is characterized in that the institute
It states anode confluence nickel sheet and is equipped with several welding convex surfaces and screw hole A, the compound confluence piece is equipped with several welding process holes and spiral shell
Wire hole B, the welding convex surface and the welding process hole are corresponding, and the screw hole A and the screw hole B are corresponding.
6. a kind of lightweight lithium ion battery with high energy density module according to claim 5, which is characterized in that the mould
Group cylinder manifold is equipped with fixed screw holes A and power line is connected and fixed screw hole, and the module cylinder manifold passes through the fixed spiral shell
Wire hole A is fixed on the compound confluence on piece.
7. a kind of lightweight lithium ion battery with high energy density module according to claim 1, which is characterized in that the mould
The vertical gap that group fixed plate is equipped with intersection adjusts card slot and lateral clearance adjusting card slot, is equipped in the gap adjustment card slot
Fixed screw holes B, the fixed screw holes B is corresponding with the fixed screw holes A.
8. a kind of assemble method of lightweight lithium ion battery with high energy density module according to claim 1, feature
It is, includes the following steps：
S1：Battery modules ontology is assembled, several lithium-ion electric cores are unified into direction between two-way receiving holder by electrode,
The lithium-ion electric core at both ends is fixed using unidirectional receiving holder, is assembled into battery modules ontology；
S2：The piece that converges is installed, and anode confluence nickel sheet is carried out screw locking with compound confluence piece by the reserved screw hole of the two
It is welded on the unidirectional receiving holder of battery core anode one end, compound remittance is directly welded on the unidirectional receiving holder of battery core cathode one end
Flow；
S3：Module electrode assembly assembles, and module cylinder manifold, module fixed plate are in turn mounted to outside the compound confluence piece at both ends
Side is fixed by screws, and completes the installation of module electrode assembly；
S4：It installs insulation board additional, insulation board is installed at the both sides of battery modules ontology and is fixed, final battery modules are completed
Assembling.
9. a kind of assemble method of lightweight lithium ion battery with high energy density module according to claim 8, feature
It is, the welding in the S2 is converged anode by the welding process hole of compound confluence on piece using the laser beam of laser welder
Welding convex surface in nickel sheet is welded together with the battery core end face in holder welding connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810621996.6A CN108565375A (en) | 2018-06-15 | 2018-06-15 | A kind of lightweight lithium ion battery with high energy density module and its assemble method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810621996.6A CN108565375A (en) | 2018-06-15 | 2018-06-15 | A kind of lightweight lithium ion battery with high energy density module and its assemble method |
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| Publication Number | Publication Date |
|---|---|
| CN108565375A true CN108565375A (en) | 2018-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810621996.6A Pending CN108565375A (en) | 2018-06-15 | 2018-06-15 | A kind of lightweight lithium ion battery with high energy density module and its assemble method |
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| CN (1) | CN108565375A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564660A (en) * | 2020-06-19 | 2020-08-21 | 义乌易换骑电池有限公司 | Lithium battery pack capable of preventing voltage acquisition interference |
-
2018
- 2018-06-15 CN CN201810621996.6A patent/CN108565375A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564660A (en) * | 2020-06-19 | 2020-08-21 | 义乌易换骑电池有限公司 | Lithium battery pack capable of preventing voltage acquisition interference |
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Application publication date: 20180921 |