CN207282552U - A kind of Hard-shell power battery module - Google Patents

A kind of Hard-shell power battery module Download PDF

Info

Publication number
CN207282552U
CN207282552U CN201720810680.2U CN201720810680U CN207282552U CN 207282552 U CN207282552 U CN 207282552U CN 201720810680 U CN201720810680 U CN 201720810680U CN 207282552 U CN207282552 U CN 207282552U
Authority
CN
China
Prior art keywords
battery
panel
hard
power battery
battery module
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.)
Expired - Fee Related
Application number
CN201720810680.2U
Other languages
Chinese (zh)
Inventor
李世明
王世强
高德健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Special Automobile Technology Co Ltd
Original Assignee
Jiangxi Special Automobile Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangxi Special Automobile Technology Co Ltd filed Critical Jiangxi Special Automobile Technology Co Ltd
Priority to CN201720810680.2U priority Critical patent/CN207282552U/en
Application granted granted Critical
Publication of CN207282552U publication Critical patent/CN207282552U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Connection Of Batteries Or Terminals (AREA)

Abstract

The utility model provides a kind of Hard-shell power battery module applied to new energy car battery technical field, a packing ring (6) is set with each battery (2) of the Hard-shell power battery module, packing ring (6) is the structure that elastomeric material is made, each described packing ring (6) inner surface sets rubberised layer (7), rubberised layer (7) is configured to pasting packing ring (6) and battery side (8) into the structure to link together, the Hard-shell power battery module of the utility model, cost is low, when battery expands in the battery modules course of work, battery volume change after eliminating battery expansion can be absorbed to extrude caused by power battery module housing, ensure that the performance of each battery is played, improve battery general safety performance and service life.

Description

A kind of Hard-shell power battery module
Technical field
The utility model belongs to new energy car battery technical field, is to be related to a kind of duricrust power electric more specifically Pond module.
Background technology
In recent years electric automobile research and application be increasingly valued by people, the chemical energy storage device of electric automobile It has selected the high lithium ion battery of energy density.Since single battery core (core of lithium ion cell) can not meet the energy of electric automobile Amount and voltage requirements, the energy storage device of electric automobile usually by series connection and are connected in parallel by many batteries.Due to needing The battery quantity wanted is too many, and in order to ensure the convenience of reliability and processing maintenance, power battery is usually again first by multiple batteries Core makes power battery module, then multiple battery modules are assembled into battery PACK.The mainstream of power battery have cylinder, duricrust and Three kinds of soft shell.Since soft-package battery has more preferable security and energy density, the mould for Soft Roll class battery in the prior art The existing a variety of designs of group, but it is also fewer for the design of duricrust class power battery, it is usually that duricrust battery close-packed arrays claim For row and column, multiple batteries become a battery modules by being mechanically fixed.From the point of view of the working mechanism of lithium battery, charging When, lithium ion deintercalation, anode volume expansion;During electric discharge, lithium ion is embedded in from cathode, anode expansion;During cell degradation, by In the growth of SEI films and active material dusting, Solid expandable can be all caused.Simple close-packed arrays, it is clear that cell expansion can be caused When case pres-sure increase, be transmitted to inside battery core, influence the performance of the security of battery, service life and performance, it is therefore, existing There are hidden danger for battery.
Utility model content
Technical problem to be solved in the utility model is:In view of the deficiencies of the prior art, there is provided it is a kind of simple in structure, When battery expands in the battery modules course of work, it can effectively absorb and eliminate battery volume change after battery expands The extruding caused by power battery module housing, it is ensured that the performance of each battery is not fully exerted, so as to improve electricity comprehensively The Hard-shell power battery module of pond general safety performance and service life.
Solve the problems, such as techniques discussed above, the technical solution that the utility model is taken is:
The utility model is a kind of Hard-shell power battery module, and the Hard-shell power battery module includes multiple batteries Core, multiple batteries are configured to the structure to fit together, left end are set on the outside of the battery of multiple battery leftmost sides Panel, the battery outside of multiple battery rightmost sides set right end panel, left end panel lower face and right end panel lower face It is connected respectively with bottom panel weld, a packing ring is set with each battery, packing ring is the structure that elastomeric material is made, often A washer inner surface sets rubberised layer, and rubberised layer is configured to paste packing ring with battery side and links together Structure.
The Hard-shell power battery module further includes side panel I and side panel II, I lower face of side panel and bottom panel one Side edge department is welded to connect, and I one side of side panel is welded to connect with left end panel sides, I opposite side cotton of side panel and right side Plate side is welded to connect, and II lower end cotton of side panel is connected with bottom panel side edge department, II one side of side panel and left end panel Side is welded to connect, and II another side of side panel is welded to connect with right end panel sides.
When multiple batteries of the Hard-shell power battery module fit together, the packing ring that is set with each battery It is arranged to the structure being fitted at the same time in another battery adjacent with the battery.
The Hard-shell power battery module further includes positioning plate, and collector is arranged on positioning plate, and end plates include a left side End plates and right end panel, side panel include side panel I and side panel II, and positioning plate side is configured to and an end plates Connection or the structure of a side panel connection.
Left end panel, right end panel, bottom panel, side panel I and the side panel II of the module casing are by aluminium system Form, collector is connected with the pole of each battery.
The utility model further relates to a kind of production method of Hard-shell power battery module, the Hard-shell power battery module The making step of production method be:1) packing ring is set with each battery of Hard-shell power battery module;2) will be more A battery is arranged in a row, and left end panel is placed on the outside of the battery of left-most position, right end panel is placed on most On the outside of the battery of right positions;3) thrust of relative direction is applied to left end panel and right end panel by compression tooling, Promote multiple batteries that side panel I is respectively welded and is connected with left end panel and right end panel, by side panel II to bearing against together It is respectively welded and is connected with left end panel and right end panel, then bottom panel is welded to connect with left end panel and right end panel respectively; 4) thrust that compression tooling applies is released, positioning plate is installed, collector is installed, collector and the pole of each battery are welded Connect, complete the making of Hard-shell power battery module.
Before being set with packing ring in each battery, rubberised layer is smeared in the packing ring inner wall, the packing ring set of rubberised layer will be smeared In battery, packing ring is fixedly connected with battery side;Left end panel is placed on the outside of the battery of left-most position Before, the multiple batteries for forming power battery module are arranged in a row so that each battery is abutted together.
After the pole welding of collector and each battery, by the left end panel of Hard-shell power battery module by through The screw rod of left end panel is connected with battery PACK babinets, then by the right end panel of Hard-shell power battery module by through right side The screw rod of plate is connected with battery PACK babinets.
Using the technical solution of the utility model, following beneficial effect can be obtained:
The Hard-shell power battery module of the utility model, when making battery modules, first in Hard-shell power battery module A packing ring is set with each battery, multiple batteries are arranged in a row, left end panel is placed on left-most position On the outside of battery, right end panel is placed on to the outside of battery 1 of right-most position, by compression tooling to left end panel and the right side End plates apply the thrust of relative direction, multiple batteries are promoted to bearing against together, by side panel I and left end panel and right end Connection is respectively welded in panel, and side panel II is respectively welded and is connected with left end panel and right end panel, then by bottom panel respectively with Left end panel and right end panel are welded to connect, and release the thrust that compression tooling applies, and are installed positioning plate, are installed collector, will Collector and the pole of each battery weld, and complete the making of Hard-shell power battery module.Said structure, due to setting for packing ring Put, during multiple battery arrangeds of each battery modules, packing ring can eliminate the gap between each battery, and can Ensure between battery there are cushion space, in this way, when power battery module works, when battery expands, battery The shell of core can be expanded to cushion space position, without squeezing action in the battery adjacent with the battery, so as to It is enough effectively to prevent multiple batteries from extruding battery modules housing after expanding, so that the problem of causing battery modules bulk expansion, electricity Chi Xin expansions will not produce too strong extruding force, so as to effectively avoid explosion issues from occurring, effectively eliminate security risk, improve electricity The security performance and service life of pond module and whole battery, reduce electric car maintenance cost.The duricrust of the utility model moves Power battery modules, simple in structure, cost is low, when battery expands in the battery modules course of work, can effectively absorb Battery volume change is extruded caused by power battery module housing after eliminating battery expansion, it is ensured that the property of each battery It can be not fully exerted, improve battery general safety performance and service life comprehensively.
Brief description of the drawings
Brief description is made to the content expressed by each attached drawing of this specification and the mark in figure below:
Fig. 1 is the overlooking the structure diagram of Hard-shell power battery module described in the utility model;
Fig. 2 is the schematic cross-sectional view in the A-A faces of the Hard-shell power battery module described in Fig. 1;
Fig. 3 is the partial enlargement structure that the battery of Hard-shell power battery module described in the utility model coordinates with packing ring Schematic diagram
In attached drawing mark for:1st, battery;2nd, left end panel;3rd, right end panel;4th, bottom panel;6th, packing ring;7th, rubberised layer; 8th, battery side;9th, side panel I;10th, side panel II.
Embodiment
Below against attached drawing, by the description of the embodiment, to specific embodiment of the present utility model as involved Mutual alignment and connection relation, the effect of each several part and operation principle between the shape of each component, construction, each several part etc. make into The detailed description of one step:
As shown in attached drawing 1- attached drawings 3, the utility model is a kind of Hard-shell power battery module, the Hard-shell power battery Module includes multiple batteries 1, and multiple batteries 1 are configured to the structure to fit together, multiple 1 leftmost sides of battery The outside of battery 1 sets left end panel 2, and the outside of battery 1 of multiple 1 rightmost sides of battery sets right end panel 3, left end panel 2 lower faces and 3 lower face of right end panel are welded to connect with bottom panel 4 respectively, and a packing ring 6, packing ring are set with each battery 1 6 structures being made for elastomeric material, each 6 inner surface of packing ring set rubberised layer 7, and rubberised layer 7 is configured to Packing ring 6 and battery side 8 are pasted to the structure to link together.Said structure, when making battery modules, is first moved in duricrust A packing ring 6 is set with each battery 1 of power battery modules, multiple batteries 1 are arranged in a row, left end panel 2 is put The outside of battery 1 that right end panel 3 is placed on to right-most position in the outside of battery 1 of left-most position is put, passes through compression Frock applies left end panel 2 and right end panel 3 thrust of relative direction, multiple batteries 1 is promoted to bearing against together, by side Panel I 9 is respectively welded and is connected with left end panel 2 and right end panel 3, and side panel II 10 and left end panel 2 and right end panel 3 are divided It is not welded to connect, then bottom panel 4 is welded to connect with left end panel 2 and right end panel 3 respectively, releases the pressure that compression tooling applies Clamp force, installs positioning plate, installs collector, and collector and the pole of each battery 1 are welded, and completes Hard-shell power battery mould The making of group.Said structure, due to the setting of packing ring, during multiple battery arrangeds of each battery modules, packing ring can The gap between each battery is eliminated, is also ensured that between battery there are cushion space, in this way, working in power battery module When, when battery expands, the shell of battery can be expanded to cushion space position, without squeezing action with the electricity In battery adjacent Chi Xin, so as to effectively prevent multiple batteries from extruding battery modules housing after expanding, so as to cause The problem of battery modules bulk expansion, battery expansion will not produce too strong extruding force, effectively avoid explosion issues from occurring, disappear Except security risk, battery modules and the security performance of whole battery are improved.The Hard-shell power battery module of the utility model, knot Structure is simple, when battery expands in the battery modules course of work, can effectively absorb and eliminate battery after battery expands Core volume change extruding caused by power battery module housing, it is ensured that the performance of each battery is not fully exerted, so that Battery general safety performance and service life are improved comprehensively.
The Hard-shell power battery module further includes side panel I 9 and side panel II 10, I 9 lower face of side panel and bottom surface 4 side edge department of plate is welded to connect, and I 9 one side of side panel is welded to connect with 2 side of left end panel, I 9 opposite side cotton of side panel It is welded to connect with 3 side of right end panel, II 10 lower end cotton of side panel is connected with 4 side edge department of bottom panel, side panel II 10 1 Side is welded to connect with 2 side of left end panel, and II 10 another side of side panel is welded to connect with 3 side of right end panel.Above-mentioned knot Structure, the connection of left end panel, right end panel, bottom panel, side panel I 9 and side panel II 10, can form the multiple batteries of constraint Cavity, multiple batteries can either be fixed, also ensure that battery will not shake and play, it is ensured that battery stability, And when multiple batteries of battery modules expand during the work time, the power of battery expansion will not act on left end Panel, right end panel, bottom panel, side panel I 9 and side panel II 10, would not also act on the battery mould outside battery modules On group housing, play the role of reliably reporting goods to battery modules.
When multiple batteries 1 of the Hard-shell power battery module fit together, the pad that is set with each battery 1 Circle 6 is arranged to the structure being fitted at the same time in another battery 1 adjacent with the battery 1.In this way, per two neighboring electricity There are clearance portion between Chi Xin, to accommodate the gas change after battery expansion, and packing ring can play battery limit Position effect, avoids battery from shaking play.
The Hard-shell power battery module further includes positioning plate, and collector is arranged on positioning plate, and end plates include a left side End plates 2 and right end panel 3, side panel include side panel I 9 and side panel II 10, and positioning plate side is configured to and one End plates connect or the structure of a side panel connection.
Left end panel 2, right end panel 3, bottom panel 4, side panel I 9 and the side panel II 10 of the module casing by Aluminium is made, and collector is connected with the pole of each battery 1.
The utility model is also directed to deficiency of the prior art, there is provided a kind of step is simple, and cost is low, in battery modules work When battery expands during work, battery volume change is to power battery after can effectively absorbing elimination battery expansion Extruding caused by module casing, it is ensured that the performance of each battery is not fully exerted, so as to improve battery general safety comprehensively The production method of the Hard-shell power battery module of performance and used life.
The making step of the production method of Hard-shell power battery module described in the utility model is:1) in duricrust power electric A packing ring 6 is set with each battery 1 of pond module;2) multiple batteries 1 are arranged in a row, left end panel 2 is placed In the outside of battery 1 of left-most position, right end panel 3 is placed on the outside of the battery 1 of right-most position;3) compression is passed through Frock applies left end panel 2 and right end panel 3 thrust of relative direction, multiple batteries 1 is promoted to bearing against together, by side Panel I 9 is respectively welded and is connected with left end panel 2 and right end panel 3, and side panel II 10 and left end panel 2 and right end panel 3 are divided It is not welded to connect, then bottom panel 4 is welded to connect with left end panel 2 and right end panel 3 respectively;4) release what compression tooling applied Thrust, installs positioning plate, installs collector, and collector and the pole of each battery 1 are welded, and completes Hard-shell power battery The making of module.The power battery module that the production method of the utility model makes, due to the setting of packing ring, each battery modules Multiple battery arrangeds when, packing ring can eliminate the gap between each battery, also ensure that between battery and exist Cushion space, in this way, when power battery module works, when battery expands, the shell of battery can be to cushion space Position expands, and without squeezing action in the battery adjacent with the battery, can effectively prevent multiple batteries from expanding The problem of extruding battery modules housing afterwards, causing battery modules bulk expansion, battery expansion will not produce too strong extruding force, Effectively avoid explosion issues from occurring, eliminate safe hidden trouble, improve battery modules and the security performance of battery.
Before being set with packing ring 6 in each battery 1, rubberised layer 7 is smeared in 6 inner wall of packing ring, the pad of rubberised layer 7 will be smeared Circle 6 is sleeved in battery 1, and packing ring 6 is fixedly connected with battery side 8;Left end panel 2 is placed on to the electricity of left-most position Before the outside of pond core 1, the multiple batteries 1 for forming power battery module are arranged in a row so that each battery is resisted against one Rise.The setting of rubberised layer, can effectively improve the bonding strength between packing ring and battery, occur in the battery course of work When back and forth expanding or shrink, packing ring will not come off from the battery side of battery, it is ensured that connection is reliable, in this way, packing ring All the time position is reliable, it can be ensured that there are gap between battery, reliably eliminates the harmful effect of battery expansion all the time.
After collector and the welding of the pole of each battery 1, the left end panel 2 of Hard-shell power battery module is passed through Screw rod through left end panel 2 is connected with battery PACK babinets, then by the right end panel 3 of Hard-shell power battery module by through The screw rod of right end panel 3 is connected with battery PACK babinets.Said structure, can realize each power battery module and battery PACK Babinet is reliably connected, and forms the battery met the requirements.
The production method of the Hard-shell power battery module of the utility model, when making battery modules, first in duricrust power electric A packing ring is set with each battery of pond module, multiple batteries are arranged in a row, left end panel are placed on most left On the outside of the battery of side position, right end panel is placed on to the outside of battery 1 of right-most position, by compression tooling to left end Panel and right end panel apply the thrust of relative direction, multiple batteries are promoted to bearing against together, by side panel I and left side Connection is respectively welded in plate and right end panel, and side panel II is respectively welded and is connected with left end panel and right end panel, then by bottom surface Plate is welded to connect with left end panel and right end panel respectively, releases the thrust that compression tooling applies, and installs positioning plate, installation collection Fluid, collector and the pole of each battery are welded, and complete the making of Hard-shell power battery module.Said structure, due to The setting of packing ring, during multiple battery arrangeds of each battery modules, between packing ring can be eliminated between each battery Gap, and be able to ensure that between battery there are cushion space, in this way, when power battery module works, battery expands When, the shell of battery can be expanded to cushion space position, without squeezing action in the battery adjacent with the battery, It can effectively prevent multiple batteries from extruding battery modules housing after expanding, so that the problem of causing battery modules bulk expansion, Battery expansion will not produce too strong extruding force, so as to effectively avoid explosion issues from occurring, effectively eliminate security risk, improve The security performance and service life of battery modules and whole battery, reduce electric car maintenance cost.The duricrust of the utility model The production method of power battery module, when battery expands in the battery modules course of work, can effectively absorb elimination Battery volume change is extruded caused by power battery module housing after battery expansion, it is ensured that the performance of each battery obtains To giving full play to, so as to improve battery general safety performance and service life comprehensively.
Exemplary description is carried out to the utility model above in conjunction with attached drawing, it is clear that the utility model concrete implementation is simultaneously From the limitation of aforesaid way, if the various improvement that the methodology of the utility model and technical solution carry out are employed, or It is not improved that the design of the utility model and technical solution are directly applied into other occasions, the protection in the utility model In the range of.

Claims (5)

1. a kind of Hard-shell power battery module, the Hard-shell power battery module includes multiple batteries (1), multiple batteries (1) it is configured to the structure to fit together, it is characterised in that:Set on the outside of the battery (1) of multiple battery (1) leftmost sides Put left end panel (2), right end panel (3) is set on the outside of the battery (1) of multiple battery (1) rightmost sides, under left end panel (2) End face and right end panel (3) lower face are welded to connect with bottom panel (4) respectively, and a packing ring is set with each battery (1) (6), packing ring (6) is the structure that elastomeric material is made, and each described packing ring (6) inner surface sets rubberised layer (7), gluing Layer (7) is configured to pasting packing ring (6) and battery side (8) into the structure to link together.
2. Hard-shell power battery module according to claim 1, it is characterised in that:The Hard-shell power battery module is also Including side panel I (9) and side panel II (10), side panel I (9) lower face is welded to connect with bottom panel (4) side edge department, side Panel I (9) one side is welded to connect with left end panel (2) side, and side panel I (9) opposite side cotton is welded with right end panel (3) side Connect in succession, side panel II (10) lower end cotton is connected with bottom panel (4) side edge department, side panel II (10) one side and left side Plate (2) side is welded to connect, and side panel II (10) another side is welded to connect with right end panel (3) side.
3. Hard-shell power battery module according to claim 1, it is characterised in that:The Hard-shell power battery module When multiple batteries (1) fit together, the packing ring (6) being set with each battery (1) is arranged to be fitted at the same time with being somebody's turn to do Structure in another adjacent battery (1) of battery (1).
4. Hard-shell power battery module according to claim 2, it is characterised in that:The Hard-shell power battery module is also Including positioning plate, collector is arranged on positioning plate, and end plates include left end panel (2) and right end panel (3), and side panel includes Side panel I (9) and side panel II (10), positioning plate side is configured to be connected with an end plates or a side panel connection Structure.
5. Hard-shell power battery module according to claim 2, it is characterised in that:The left end panel of the module casing (2), right end panel (3), bottom panel (4), side panel I (9) and side panel II (10) are made by aluminium, collector with it is every The pole connection of a battery (1).
CN201720810680.2U 2017-07-06 2017-07-06 A kind of Hard-shell power battery module Expired - Fee Related CN207282552U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720810680.2U CN207282552U (en) 2017-07-06 2017-07-06 A kind of Hard-shell power battery module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720810680.2U CN207282552U (en) 2017-07-06 2017-07-06 A kind of Hard-shell power battery module

Publications (1)

Publication Number Publication Date
CN207282552U true CN207282552U (en) 2018-04-27

Family

ID=61985304

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720810680.2U Expired - Fee Related CN207282552U (en) 2017-07-06 2017-07-06 A kind of Hard-shell power battery module

Country Status (1)

Country Link
CN (1) CN207282552U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107195831A (en) * 2017-07-06 2017-09-22 江西优特汽车技术有限公司 A kind of Hard-shell power battery module and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107195831A (en) * 2017-07-06 2017-09-22 江西优特汽车技术有限公司 A kind of Hard-shell power battery module and preparation method thereof

Similar Documents

Publication Publication Date Title
US20170084899A1 (en) Battery Module
CN102867974B (en) Sealing structure and electric pile of liquid flow battery
JP2013541137A (en) Battery pack mounting heat dissipation frame
CN110061158A (en) A kind of power battery sealing buffering heat insulating mattress
CN207282552U (en) A kind of Hard-shell power battery module
CN103311490A (en) Power-type lithium-ion battery pack and manufacturing method thereof
CN202474046U (en) Lithium-ion power battery for leading out cylindrical guide pins in same direction and sealed in girdling way
CN107195831A (en) A kind of Hard-shell power battery module and preparation method thereof
CN215451602U (en) Battery pack box, battery pack and electric device
CN206922366U (en) A kind of rack integrated form cable through sealing device
CN203242691U (en) Dynamic lithium ion battery pack
CN203674273U (en) Specially-shaped lithium battery module
CN202034444U (en) Lithium ion power battery
CN107732059A (en) A kind of Novel square lithium battery standardization module packaging housing and PACK methods
CN105449145A (en) Tab laser welding structure of lithium ion battery
CN219067037U (en) Battery pack buffering protection frame
CN202888330U (en) Cylindrical lithium battery pack
CN207320260U (en) A kind of LiFePO4 battery core
CN203596380U (en) Anti-expansion lithium battery for electric vehicle
CN202888267U (en) Polymer lithium battery pack
CN102810692B (en) Annular superconductive lithium ion power battery
CN102610850B (en) Power lithium-ion battery
CN202817105U (en) Seal structure of flow battery and electric pile thereof
CN205488370U (en) Lithium ion battery and including this lithium ion battery's car
CN204230338U (en) A kind of lug laser welding structure of lithium ion battery and the battery pack of formation thereof

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: 20180427

Termination date: 20210706