CN113555633A - Cylindrical battery cell double-hole clamp and battery structure applying same - Google Patents

Cylindrical battery cell double-hole clamp and battery structure applying same Download PDF

Info

Publication number
CN113555633A
CN113555633A CN202110865013.5A CN202110865013A CN113555633A CN 113555633 A CN113555633 A CN 113555633A CN 202110865013 A CN202110865013 A CN 202110865013A CN 113555633 A CN113555633 A CN 113555633A
Authority
CN
China
Prior art keywords
double
battery
clamp
hole
battery cell
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
Application number
CN202110865013.5A
Other languages
Chinese (zh)
Inventor
柳勇
张志平
刘聪
曾国强
叶国华
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.)
Guangdong Greenway Technology Co Ltd
Original Assignee
Guangdong Greenway 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 Guangdong Greenway Technology Co Ltd filed Critical Guangdong Greenway Technology Co Ltd
Priority to CN202110865013.5A priority Critical patent/CN113555633A/en
Publication of CN113555633A publication Critical patent/CN113555633A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H01M50/264Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention provides a cylindrical battery cell double-hole clamp and a battery structure applied by the same, and the clamp comprises a double-hole clamp main body, wherein two columnar battery cell assembling hole positions are formed in the double-hole clamp main body, buckles are arranged on the periphery of the outer side of the double-hole clamp main body and are divided into a male end buckle and a female end buckle, the male end buckle and the female end buckle can be matched and clamped with each other, and a battery cell clamp group is formed by mutually clamping and splicing a plurality of double-hole clamp main bodies through the male end buckle and the female end buckle, a plurality of cylindrical battery cells are arranged in the battery cell clamp group, and the cylindrical battery cells are arranged in the battery cell assembling hole positions Low efficiency and the like.

Description

Cylindrical battery cell double-hole clamp and battery structure applying same
Technical Field
The invention relates to the technical field, in particular to a cylindrical battery cell double-hole clamp and a battery structure applying the same.
Background
The cylindrical battery cell has mature process, low cost and stable performance, and can be produced in large scale. Therefore, in the field of battery application, a large number of cylindrical battery cells are applied. In recent years, with the development of the new energy power lithium battery industry, battery cells with various shapes, sizes and carriers appear in battery PACKs carried by electric automobiles, electric motorcycles and electric ships, but three types of cylindrical battery cells, namely 18650, 21700 and 26700, are still irreplaceable in the market. The design experience and process commonly used in the cylindrical battery cell PACK industry are generally that required battery cells are all arranged in two large plastic clamps with the same size and shape for fixing the two ends of the positive and negative electrodes of the battery cells. And the two large plastic clamps are fastened by using a screw connection mode, so that the aim of integrating a plurality of small cylindrical battery cores is fulfilled.
In the technical scheme in the prior art, the cell fixture is designed integrally, and particularly, products of each customer are different, so that molds with different sizes and shapes need to be developed. With the accumulation of time and the increase of customers, more and more molds are developed and the variety of the molds is more and more complicated. The plastic parts are produced by using the die, the mass production of a single set of die is taught, and the larger the mass production is, the lower the cost distributed on a single part is. However, different designs of different customers lead to a large amount of different molds to be developed, each set of mold is produced by injection molding in small batches, so that the cost is high, the delivery time of each set of mold is urgent, the production and the processing are tired, the efficiency cannot be improved, and the competitiveness of enterprises is greatly influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a cylindrical battery cell double-hole clamp and a battery structure applied by the same.
The technical scheme of the invention is as follows:
a cylindrical cell diplopore clamp, comprising:
the double-hole clamp comprises a double-hole clamp body, wherein two columnar battery cores are arranged on the double-hole clamp body and are assembled with hole positions, buckles are arranged on the periphery of the outer side of the double-hole clamp body and are divided into a male end buckle and a female end buckle, and the male end buckle and the female end buckle can be matched with each other and clamped and installed.
In the invention, two transverse ends of the double-hole clamp main body are respectively provided with a buckle, two longitudinal sides of the double-hole clamp main body are respectively provided with two buckles, one transverse end of the double-hole clamp main body is set as a male end buckle, the other transverse end of the double-hole clamp main body is set as a female end buckle, one longitudinal side of the double-hole clamp main body is respectively provided with a male end buckle, and the other longitudinal side of the double-hole clamp main body is set as a female end buckle.
In the invention, the clamping and splicing modes of the double-hole clamp main body are divided into a transverse splicing mode and a longitudinal splicing mode, and the number of the double-hole clamp main body and the overall structure shape after splicing can be increased at will according to actual requirements.
In the invention, a cell fixing and clamping point is also arranged in the cell assembling hole site, and the cell fixing and clamping point is provided with an inclination.
A battery structure for use with a cylindrical cell dual-hole fixture, comprising:
the battery cell clamp group comprises an upper clamp and a lower clamp, wherein the upper clamp and the lower clamp are formed by splicing a plurality of double-hole clamp main bodies through the mutual clamping of the male end buckle and the female end buckle, a plurality of cylindrical battery cells are arranged in the battery cell clamp group, the cylindrical battery cells are arranged in battery cell assembling hole sites, and the upper clamp and the lower clamp are connected through a plurality of support columns and screws.
In the invention, the battery structure further comprises nickel sheets, the nickel sheets are arranged at the positive and negative ends of the cylindrical battery core and connected with the cylindrical battery core in a welding mode, and a positive leading-out end, a negative leading-out end and a voltage acquisition leading-out end are further arranged on the nickel sheets.
In the invention, the battery structure further comprises a BMS protection plate which is arranged on a fixed seat and is fixed on the battery structure through a plurality of long bolts.
In the invention, the battery structure is integrally arranged in a battery shell, and the battery shell comprises a shell upper cover and a shell lower cover.
In the invention, the battery structure is fixed in the battery lower cover through a long rod bolt, and the battery upper cover is fixed on the battery lower cover through screw locking.
Compared with the prior art, the invention has the beneficial effects that:
the double-hole clamp main bodies are used as units, the double-hole clamp main bodies are spliced with each other through the buckles arranged on the double-hole clamp main bodies, and the clamp with the size, the shape or the type required by actual requirements is formed, so that the problems of high production cost, low efficiency and the like caused by the fact that different molds are designed and developed according to different requirements in the prior art are solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a structural diagram of a cylindrical battery cell double-hole fixture provided by the invention;
fig. 2 is a plan view of the cylindrical cell dual-hole clamp;
fig. 3 is a schematic diagram of a splicing manner of the cylindrical battery cell double-hole clamp;
fig. 4 is a schematic diagram of another splicing manner of the cylindrical battery cell double-hole clamp;
fig. 5 is a first assembly diagram of a battery configuration for a cylindrical cell dual hole fixture application;
fig. 6 is a second assembly diagram of a battery structure for the cylindrical cell dual hole clamp application;
fig. 7 is a third assembly diagram of a battery structure for the cylindrical cell dual hole clamp application;
fig. 8 is a fourth assembly diagram of a battery structure for the cylindrical cell dual hole clamp application;
fig. 9 is a fifth assembly structure diagram of a battery structure to which the cylindrical cell double-hole jig is applied.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
Examples
Referring to fig. 1 to fig. 2, the cylindrical battery cell dual-hole fixture provided in the present embodiment includes:
the double-hole clamp comprises a double-hole clamp body 1, wherein two columnar battery cell assembling hole positions 11 are formed in the double-hole clamp body 1, buckles are arranged on the periphery of the outer side of the double-hole clamp body 1 and are divided into a male end buckle 12 and a female end buckle 13, and the male end buckle 12 and the female end buckle 13 can be matched with each other and clamped and installed, but the double-hole clamp is not limited to the structure;
in this embodiment, two transverse ends of the dual-hole clamp body 1 are both provided with one buckle, two longitudinal sides are both provided with two buckles, one transverse end of the dual-hole clamp body 1 is provided with a male end buckle 12, the other transverse end of the dual-hole clamp body is provided with a female end buckle 13, one longitudinal side of the dual-hole clamp body is provided with the male end buckle 12, and the other longitudinal side of the dual-hole clamp body is provided with the female end buckle 13;
in this embodiment, the cell assembling hole site 11 is further provided with a cell fixing clamping point 14, and the cell fixing clamping point 14 is provided with an inclination, but not limited thereto;
referring to fig. 3 to 4, in the present embodiment, the clamping and splicing manners of the dual-hole clamp body 1 are divided into two types, i.e., horizontal splicing and vertical splicing, and the number of the dual-hole clamp bodies 1 can be arbitrarily increased and the overall structure shape after splicing can be changed according to actual requirements.
Referring to fig. 5 to fig. 6, a battery structure applied to a cylindrical battery cell dual-hole clamp provided in the present embodiment includes:
the battery cell clamp group comprises an upper clamp 21 and a lower clamp 22, the upper clamp 21 and the lower clamp 22 are formed by mutually clamping and splicing a plurality of double-hole clamp main bodies 1 through a male end buckle and a female end buckle, a plurality of cylindrical battery cells 3 are arranged in the battery cell clamp group, the cylindrical battery cells 3 are arranged in a battery cell assembling hole 11, and the upper clamp 21 and the lower clamp 22 are connected through a plurality of support columns 23 and screws 24, but the battery cell clamp group is not limited to the above;
referring to fig. 7, in the present embodiment, the battery structure further includes a nickel plate 4, the nickel plate 4 is disposed at two ends of the positive electrode and the negative electrode of the cylindrical electrical core 3 and connected to the cylindrical electrical core 3 by welding, and the nickel plate 4 is further provided with a positive electrode leading-out terminal 41, a negative electrode leading-out terminal 42 and a voltage collection leading-out terminal 43, but is not limited thereto;
referring to fig. 8, in the present embodiment, the battery structure further includes a BMS protection plate 5, the BMS protection plate 5 is disposed on a fixing base 51 and fixed to the battery structure by a plurality of long bolts 52, but is not limited thereto;
referring to fig. 9, in the present embodiment, the cell structure is integrally disposed in a battery case, and the battery case includes, but is not limited to, a case upper cover 61 and a case lower cover 62;
in the present embodiment, the battery structure is fixed in the battery lower cover 62 by long rod bolts, and the battery upper cover 61 is fixed to the battery lower cover 62 by screw locking.
The working principle is as follows:
according to the requirement, a plurality of or dozens or hundreds of double-hole clamp main bodies 1 are mutually spliced through male end buckles 12 and female end buckles 13 arranged on the periphery of the double-hole clamp main bodies to form a battery cell clamp group which accords with the required size and shape, then a cylindrical battery cell 3 is installed in a battery cell assembling hole 11 of the battery cell clamp group, the cylindrical battery cell 3 is contacted with a battery cell fixing clamping point 14 arranged in the battery cell assembling hole 11 and is fixed with the cylindrical battery cell 3 through the battery cell fixing clamping point 14, after one end of the fixing installation is finished, a supporting column 23 is fixedly installed on the battery cell clamp group through a screw 24, then the battery cell clamp group at the other end is fixed through the steps, after the fixing is finished, a nickel sheet 4 is fixed at the positive and negative ends of the cylindrical battery cell 3 in a welding mode, then a BMS protection plate 5 and a fixed seat 51 are fixed through a long bolt 52, and finally the battery structure is installed in a preset battery shell, and (5) finishing assembly.
This embodiment uses diplopore anchor clamps main part as the unit, realizes the mutual concatenation between diplopore anchor clamps main part through the buckle of locating in the diplopore anchor clamps main part, forms the anchor clamps of the required size of actual demand, shape or model to this replaces traditional high in production cost, inefficiency scheduling problem that brings according to the different design development different moulds of demand, improves production efficiency by a wide margin, reduction in production cost shortens delivery time, effectively promotes enterprise competitiveness.
While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (9)

1. The cylindrical battery cell double-hole clamp is characterized by comprising a double-hole clamp main body, wherein two columnar battery cells are arranged on the double-hole clamp main body, buckles are arranged on the periphery of the outer side of the double-hole clamp main body and are divided into a male end buckle and a female end buckle, and the male end buckle and the female end buckle can be mutually matched and clamped for installation.
2. The battery structure applied to the cylindrical battery cell double-hole clamp is characterized by comprising a battery cell clamp group, wherein the battery cell clamp group comprises an upper clamp and a lower clamp, the upper clamp and the lower clamp are formed by splicing a plurality of double-hole clamp main bodies through mutual clamping of a male end buckle and a female end buckle, a plurality of cylindrical battery cells are arranged in the battery cell clamp group, the cylindrical battery cells are arranged in battery cell assembling hole sites, and the upper clamp and the lower clamp are connected through a plurality of support columns and screws.
3. The electrical core double-hole clamp of claim 1, wherein two lateral ends of the double-hole clamp body are provided with one buckle, two longitudinal sides of the double-hole clamp body are provided with two buckles, one lateral end of the double-hole clamp body is provided with a male-end buckle, the other lateral end of the double-hole clamp body is provided with a female-end buckle, one longitudinal side of the double-hole clamp body is provided with a male-end buckle, and the other longitudinal side of the double-hole clamp body is provided with a female-end buckle.
4. The battery cell double-hole clamp of claim 1, wherein the clamping and splicing modes of the double-hole clamp main body are horizontal splicing and vertical splicing, and the number of the double-hole clamp main body and the overall structure shape after splicing can be increased arbitrarily according to actual requirements.
5. The battery cell double-hole clamp of claim 1, wherein a battery cell fixing clamping point is further arranged in the battery cell assembling hole site, and the battery cell fixing clamping point is provided with a slope.
6. The battery structure of claim 2, wherein the battery structure further comprises nickel plates, the nickel plates are disposed at the positive and negative ends of the cylindrical battery core and connected to the cylindrical battery core by welding, and the nickel plates are further provided with a positive lead-out terminal, a negative lead-out terminal, and a voltage collecting lead-out terminal.
7. The battery structure of claim 2, wherein the battery structure further comprises a BMS protection board, and the BMS protection board is disposed on a fixing base and fixed to the battery structure by a plurality of long bolts.
8. The battery structure of claim 2, wherein the battery structure is integrally disposed in a battery case, and the battery case comprises an upper case cover and a lower case cover.
9. The battery structure of claim 7, wherein the battery structure is fixed in the battery lower cover by long rod bolts, and the battery upper cover is fixed on the battery lower cover by screw locking.
CN202110865013.5A 2021-07-29 2021-07-29 Cylindrical battery cell double-hole clamp and battery structure applying same Pending CN113555633A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110865013.5A CN113555633A (en) 2021-07-29 2021-07-29 Cylindrical battery cell double-hole clamp and battery structure applying same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110865013.5A CN113555633A (en) 2021-07-29 2021-07-29 Cylindrical battery cell double-hole clamp and battery structure applying same

Publications (1)

Publication Number Publication Date
CN113555633A true CN113555633A (en) 2021-10-26

Family

ID=78133273

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110865013.5A Pending CN113555633A (en) 2021-07-29 2021-07-29 Cylindrical battery cell double-hole clamp and battery structure applying same

Country Status (1)

Country Link
CN (1) CN113555633A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114374046A (en) * 2021-11-18 2022-04-19 美律电子(深圳)有限公司 Battery fixing assembly, battery module and battery fixing structure
EP4191765A4 (en) * 2021-12-14 2024-05-29 Shenzhen Poweroak Newener Co Ltd Holder body, holder, battery module, and energy storage power source

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106207043A (en) * 2016-09-19 2016-12-07 蔚来汽车有限公司 Battery fixing bracket and set of cells
CN207097924U (en) * 2017-08-31 2018-03-13 深圳市华友宏业新能源技术有限公司 A kind of new cylindrical lithium battery group Multifunctional combined bracket
CN207381445U (en) * 2017-08-31 2018-05-18 深圳市华友宏业新能源技术有限公司 A kind of novel power battery group high current heat insulation structural
CN109119556A (en) * 2018-06-25 2019-01-01 北京长城华冠汽车科技股份有限公司 Cylindrical battery core splicing module and the battery modules including the splicing module
CN210379156U (en) * 2019-08-06 2020-04-21 珠海市古鑫电子科技有限公司 Battery cell support module
CN212257499U (en) * 2020-06-06 2020-12-29 帝亚一维新能源汽车有限公司 Power battery pack capable of replacing battery cell and portable battery replacement electric vehicle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106207043A (en) * 2016-09-19 2016-12-07 蔚来汽车有限公司 Battery fixing bracket and set of cells
CN207097924U (en) * 2017-08-31 2018-03-13 深圳市华友宏业新能源技术有限公司 A kind of new cylindrical lithium battery group Multifunctional combined bracket
CN207381445U (en) * 2017-08-31 2018-05-18 深圳市华友宏业新能源技术有限公司 A kind of novel power battery group high current heat insulation structural
CN109119556A (en) * 2018-06-25 2019-01-01 北京长城华冠汽车科技股份有限公司 Cylindrical battery core splicing module and the battery modules including the splicing module
CN210379156U (en) * 2019-08-06 2020-04-21 珠海市古鑫电子科技有限公司 Battery cell support module
CN212257499U (en) * 2020-06-06 2020-12-29 帝亚一维新能源汽车有限公司 Power battery pack capable of replacing battery cell and portable battery replacement electric vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114374046A (en) * 2021-11-18 2022-04-19 美律电子(深圳)有限公司 Battery fixing assembly, battery module and battery fixing structure
EP4191765A4 (en) * 2021-12-14 2024-05-29 Shenzhen Poweroak Newener Co Ltd Holder body, holder, battery module, and energy storage power source

Similar Documents

Publication Publication Date Title
CN113555633A (en) Cylindrical battery cell double-hole clamp and battery structure applying same
CN209571507U (en) A kind of compression tooling of lithium ion rectangular cell mould group stacking
CN113381107A (en) Energy storage battery cluster with simplified structure
CN113793978A (en) Assembly structure and method of large cylindrical battery cell
CN218849661U (en) Porous cylinder electricity core modular fixture structure
CN215989086U (en) Battery module assembly structure
CN1280400A (en) Box type cylindrical nickel-hydrogen power battery pack and its producing method
CN202183708U (en) Motor winding mold
CN111785885B (en) Battery pack and electric device
CN210015894U (en) Modular expanded type lithium cell module
CN111446393A (en) Quick battery module in groups
CN218677374U (en) Battery PACK structure of removable electric core
CN104377325A (en) In-vehicle starting power supply
CN219086128U (en) Prevent reinforcing type components of a whole that can function independently electric core support of cold joint
CN218548726U (en) Battery module output electrode bus bar, battery module and battery pack
CN220456588U (en) Integrated power module for aviation
CN204130609U (en) A kind of vehicle-mounted startup power supply
CN210379163U (en) Battery module and fixing structure thereof
CN216780715U (en) Tool for batch welding of single batteries
CN219832881U (en) Cylinder electricity core CTP structure
CN221124829U (en) Multi-cell liquid nitrogen low-temperature testing device
CN215070196U (en) Simple and easy battery module is used in experiment
CN219350571U (en) Full welding-free battery pack based on 46 series large cylindrical battery
CN218160621U (en) Cylindrical battery cell module support structure
CN220774665U (en) Lithium battery with plug spring structure for connecting battery cells

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20211026

RJ01 Rejection of invention patent application after publication