CN111180628B - Electrochemical energy storage device - Google Patents
Electrochemical energy storage device Download PDFInfo
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- CN111180628B CN111180628B CN202010008573.4A CN202010008573A CN111180628B CN 111180628 B CN111180628 B CN 111180628B CN 202010008573 A CN202010008573 A CN 202010008573A CN 111180628 B CN111180628 B CN 111180628B
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- protective shell
- fixed
- energy storage
- electrode column
- electrode
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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
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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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
- H01M50/256—Carrying devices, e.g. belts
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
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- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention belongs to the technical field of electrochemistry, and particularly relates to an electrochemical energy storage device which comprises a protective shell, wherein a sponge layer is fixed on the periphery of the inner wall of the protective shell, a storage battery body is arranged inside the protective shell and positioned at the inner side of the sponge layer, a plurality of radiating grooves are formed in the periphery of the protective shell and the periphery of the sponge layer, a plurality of radiating holes are formed in the periphery of the upper ends of the protective shell and the sponge layer, rotating handles are arranged on two sides of the upper end of the protective shell, rotating rods are arranged at the left end and the right end of the upper end of the protective shell, a first electrode column and a second electrode column are respectively fixed on two sides of the upper end of each radiating groove, connecting columns are fixed on one sides of the upper ends of the first electrode column and the second electrode column, rotating caps are connected above the connecting columns through rotating joints, and connecting columns and rotating caps are arranged on the first electrode column and the second electrode column, the external electrode pliers and the wiring are conveniently electrically connected with the first electrode column, the second electrode column and the storage battery body.
Description
Technical Field
The invention belongs to the technical field of electrochemistry, and particularly relates to an electrochemical energy storage device.
Background
The storage battery is one of important devices for electrochemical energy storage, and the working principle is as follows: the storage battery is widely applied in China, forms a corresponding industry and develops rapidly.
The existing storage battery is used: the plastic shell outside the storage battery is easy to be damaged and broken by stress, so that the electrolyte inside the storage battery is leaked, and the use is inconvenient; the storage battery is inconvenient to carry and transport, and the storage battery is easy to fall off in the carrying and transporting process, so that the use cost is increased; the storage battery and an external power device are usually electrically connected through positive and negative electrode tips on two sides of the upper end of the storage battery, and are clamped and fixed through metal pliers or wound and fixed through metal wiring, so that the storage battery is not firm enough and is easy to loosen and fall off.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an electrochemical energy storage device which has the characteristics of simple structure and convenience in use.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an electrochemistry energy memory, including the protecting crust, the inner wall of protecting crust is fixed with the sponge layer all around, the inboard that the inside of protecting crust is located the sponge layer is provided with battery body, a plurality of radiating groove has all been seted up all around to the outside on protecting crust and sponge layer, a plurality of louvre has all been seted up all around to the upper end outside of protecting crust and sponge layer, the upper end both sides of protecting crust all are provided with changes the handle, both ends all are provided with the swing arm about the upper end both sides of protecting crust, the upper end both sides of radiating groove are fixed with an electrode post and No. two electrode posts respectively, upper end one side of an electrode post and No. two electrode posts all is fixed with the spliced pole, the top that the upper end of an electrode post and No. two electrode posts is located the spliced pole all is connected with the cap of spinning through closing soon.
According to the preferred technical scheme of the electrochemical energy storage device, the first electrode column and the second electrode column are perpendicular to the storage battery body and are symmetrically arranged, the spinning cap and the connecting column are parallel to each other, the periphery of the outer portion of the spinning cap is of an arc-shaped structure, a plurality of anti-skidding blocks are fixed on the periphery of the outer portion of the spinning cap, the anti-skidding blocks are of an arc-shaped structure, and a plurality of arc-shaped grooves are formed in the upper end and the lower end of the connecting column.
As a preferred technical scheme of the electrochemical energy storage device, the first fixing seats are fixed on two sides of the upper end of the protective shell, the first fixing seats are of arc structures, the first fixing seats are rotatably connected with the rotating handle through the rotating shaft, and the rotating handle is of an arc structure.
According to the preferred technical scheme of the electrochemical energy storage device, the second fixed seats are fixed at the left ends and the right ends of the two sides of the upper end of the protective shell, the second fixed seats are of arc structures, the second fixed seats are connected with the rotary rods in a screwing mode, and the rotary rods are of circular structures.
As a preferred technical scheme of the electrochemical energy storage device, the heat dissipation groove is of an arc-shaped structure and is perpendicular to the protective shell.
As a preferred technical scheme of the electrochemical energy storage device, the heat dissipation holes are of circular structures and are parallel to the heat dissipation grooves.
As a preferred technical scheme of the electrochemical energy storage device, the protective shell is of a square structure and is mutually embedded with the storage battery body.
Compared with the prior art, the invention has the beneficial effects that: when the battery protection shell is used, the safety protection of the storage battery body in the protection shell is facilitated through the protection shell and the sponge layer on the periphery of the inner wall of the protection shell, and meanwhile, certain heat dissipation can be achieved through the heat dissipation grooves and the heat dissipation holes formed on the periphery of the outside of the protection shell and the sponge layer and the periphery of the outside of the upper end of the protection shell and the sponge layer; when the protective shell is used, the protective shell is used for carrying out safety protection on the storage battery body, the protective shell and the storage battery body inside the protective shell are convenient to carry and carry through the rotating handle, the storage battery body inside the protective shell is convenient to fix through the rotating rods which are arranged at the left end and the right end of the two sides of the upper end of the protective shell and are positioned at the upper end of the storage battery body, and the storage battery body is prevented from falling out of the protective shell; when the electrode holder is used, the two sides of the upper end of the storage battery body are located on the connecting column on one side of the upper end of the first electrode column and the upper end of the second electrode column, so that the external electrode holder and the wiring are electrically connected with the first electrode column, the second electrode column and the storage battery body, and meanwhile, the upper ends of the first electrode column and the second electrode column are located on the spinning cap above the connecting column, so that the external electrode holder and the wiring are further fixed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a structural diagram illustrating a mounted state of a battery body according to the present invention;
FIG. 3 is a schematic view of a portion of the structure of FIG. 1;
FIG. 4 is an enlarged view of the structure at A in FIG. 3;
FIG. 5 is a schematic view of the connection structure of the first electrode column according to the present invention;
in the figure: 1. a protective shell; 2. a sponge layer; 3. a heat sink; 4. heat dissipation holes; 5. a battery body; 6. a first fixed seat; 7. a second fixed seat; 8. a first electrode column; 9. a second electrode column; 10. turning a handle; 11. rotating the rod; 12. spinning the cap; 13. anti-skid blocks; 14. connecting columns; 15. an arc-shaped groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-5, the present invention provides the following technical solutions: an electrochemical energy storage device comprises a protective shell 1, a sponge layer 2 is fixed on the periphery of the inner wall of the protective shell 1, a storage battery body 5 is arranged inside the protective shell 1 and positioned on the inner side of the sponge layer 2, a plurality of radiating grooves 3 are formed in the periphery of the protective shell 1 and the sponge layer 2, a plurality of radiating holes 4 are formed in the periphery of the upper end of the protective shell 1 and the sponge layer 2, rotating handles 10 are arranged on two sides of the upper end of the protective shell 1, rotating rods 11 are arranged on the left and right ends of two sides of the upper end of the protective shell 1, a first electrode column 8 and a second electrode column 9 are respectively fixed on two sides of the upper end of the radiating grooves 3, a connecting column 14 is fixed on one side of the upper ends of the first electrode column 8 and the second electrode column 9, a spinning cap 12 is connected above the connecting column 14 through spinning, in the embodiment, the protective shell 1 is made of plastics, the sponge layer 2 is made of sponge materials, when the protective shell 1 and the sponge layer 2 around the inner wall of the protective shell 1 are used, safety protection of the storage battery body 5 in the protective shell 1 is facilitated, and meanwhile, certain heat dissipation can be achieved through the heat dissipation grooves 3 and the heat dissipation holes 4 which are formed around the outer portions of the protective shell 1 and the sponge layer 2 and around the outer portions of the upper end of the protective shell; when the protective shell is used, the protective shell 1 is used for carrying out safety protection on the storage battery body 5, the protective shell 1 and the storage battery body 5 inside the protective shell 1 can be conveniently lifted and carried through the rotating handle 10, the storage battery body 5 inside the protective shell 1 can be conveniently fixed through the rotating rods 11 which are positioned at the upper end of the storage battery body 5 and are arranged at the left end and the right end of the two sides of the upper end of the protective shell 1, and the storage battery body 5 is prevented from being separated from the inside of the protective shell 1; when using, be located the spliced pole 14 of No. 8 electrode posts and No. two electrode posts 9 upper end one sides through 5 upper end both sides of battery body, be convenient for outside electrode holder and wiring and electrode posts 8 and No. two electrode posts 9 and battery body 5's electric connection, be located the spinning cap 12 of spliced pole 14 top through No. 8 electrode posts and No. two electrode posts 9 upper ends simultaneously, be convenient for outside electrode holder and the further fixed of wiring.
Specifically, a number of electrode post 8 and a number of electrode post 9 all just are the symmetry setting with 5 mutually perpendicular of battery body, spinning cap 12 and spliced pole 14 are parallel to each other and outside all around are the arc structure, the outside of spinning cap 12 is fixed with a plurality of non slipping spur 13 all around, non slipping spur 13 is the arc structure, a plurality of arc wall 15 has all been seted up at the upper and lower both ends of spliced pole 14, and the battery that the model is A412 can be referred to in the use of battery body 5 in this embodiment, and a number of electrode post 8 and a number of electrode post 9 are the lead cylindricality, and spinning cap 12 is the circular structure of moulding, and non slipping spur 13 is the arc structure of moulding, and spliced pole 14 is the metal cylindricality structure, and arc wall 15 is upper and lower symmetric distribution, and it is fixed or the winding of metal wiring is fixed to be convenient for with outside metal electrode holder centre gripping, connects difficult not hard up to drop, is convenient for with outside power device electric connection.
Specifically, the upper end both sides of protecting crust 1 all are fixed with fixing base 6 No. one, and fixing base 6 is the arc structure, and fixing base 6 rotates 10 through the pivot with changeing and is connected, changes 10 to the arc structure, and fixing base 6 is for moulding matter arc structure in this embodiment, changes 10 and just regards as the U-shaped structure, looks sideways at the arc structure, carries the transport through changeing 10 being convenient for to protecting crust 1 and the inside battery body 5 of protecting crust 1.
Specifically, both ends all are fixed with No. two fixing bases 7 about the upper end both sides of protecting crust 1, No. two fixing bases 7 are the arc structure, No. two fixing bases 7 are connected through closing soon with swing arm 11, swing arm 11 is circular structure, No. two fixing bases 7 are the arc structure of moulding in this embodiment, swing arm 11 is the cylindricality structure of moulding, length is not long, be convenient for carry out spacing the block to the upper end of 1 inside battery body 5 of protecting crust through swing arm 11, prevent that battery body 5 from deviating from the inside of protecting crust 1.
Specifically, radiating groove 3 is the arc structure and with 1 mutually perpendicular of protecting crust, is convenient for in this embodiment through radiating groove 3 and louvre 4 that 1 inside battery body 5 of protecting crust carries out certain heat dissipation.
Specifically, the heat dissipation holes 4 are circular and parallel to the heat dissipation grooves 3.
Specifically, the protective case 1 has a square structure and is fitted with the battery body 5.
The working principle and the using process of the invention are as follows: when the invention is used, a storage battery body 5 is embedded into a protective shell 1 and is positioned at the inner side of a sponge layer 2, the storage battery body 5 is tightly attached to the sponge layer 2, the storage battery body 5 is safely protected by the protective shell 1 and the sponge layer 2, a rotating rod 11 is rotated inwards relative to a second fixing seat 7, so that the upper end of the storage battery body 5 in the protective shell 1 is limited and blocked by the rotating rod 11, the storage battery body 5 is prevented from being separated from the protective shell 1, a rotating handle 10 is rotated relative to a first fixing seat 6, the storage battery body 5 in the protective shell 1 and the protective shell 1 is lifted and carried by the rotating handle 10, when the electric pliers are used for connection, one end of an external electric pliers is clamped around the outer part of a connecting post 14, the contact area and the friction force are increased by an arc-shaped groove 15, a rotating and pressing cap 12 is rotated downwards relative to a first electrode post 8 and a second electrode post 9 and through an anti-skid block 13, the electric tong of 14 outside centre gripping of spliced pole is further fixed through spinning cap 12, the other end and the outside power device electric connection of outside electric tong, when using the wiring to connect, twine the wiring around spliced pole 14 outside, through arc wall 15 increase area of contact and friction dynamics, relative electrode post 8 and No. two electrode posts 9 and through non slipping spur 13 rotation spinning cap 12 downwards, it is further fixed to go on to the outside winding wiring of spliced pole 14 through spinning cap 12, the other end and the outside power device electric connection of outside wiring, it is difficult not hard up droing to connect, then use battery body 5, be convenient for battery body 5 inside protective housing 1 through radiating groove 3 and louvre 4 to carry out certain heat dissipation.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An electrochemical energy storage device, characterized by: the battery protection device comprises a protection shell (1), wherein a sponge layer (2) is fixed on the periphery of the inner wall of the protection shell (1), a storage battery body (5) is arranged inside the protection shell (1) and positioned at the inner side of the sponge layer (2), a plurality of radiating grooves (3) are formed in the periphery of the outer portions of the protection shell (1) and the sponge layer (2), a plurality of radiating holes (4) are formed in the periphery of the outer portions of the upper ends of the protection shell (1) and the sponge layer (2), rotating handles (10) are arranged on two sides of the upper end of the protection shell (1), rotating rods (11) are arranged at the left end and the right end of each of the two upper ends of the protection shell (1), a first electrode column (8) and a second electrode column (9) are respectively fixed on two sides of the upper end of the radiating grooves (3), a connecting column (14) is fixed on one side of the upper ends of the first electrode column (8) and the second electrode column (9), and a pressing cap (12) is connected above the connecting column (14) in a rotating manner; first electrode post (8) and No. two electrode posts (9) all just are the symmetry setting with battery body (5) mutually perpendicular, and spinning cap (12) and spliced pole (14) are parallel to each other and outside all around is the arc structure, and the outside of spinning cap (12) is fixed with a plurality of non slipping spur (13) all around, non slipping spur (13) are the arc structure, and a plurality of arc wall (15) have all been seted up at the upper and lower both ends of spliced pole (14).
2. An electrochemical energy storage device as in claim 1, wherein: fixing base (6) are all fixed with one number in the upper end both sides of protecting crust (1), and fixing base (6) are the arc structure, and one number fixing base (6) with change and be connected through the pivot rotation to (10), change and be the arc structure to (10).
3. An electrochemical energy storage device as in claim 1, wherein: both ends all are fixed with No. two fixing base (7) about the upper end both sides of protecting crust (1), and No. two fixing base (7) are the arc structure, and No. two fixing base (7) close with swing arm (11) through revolving and are connected, and swing arm (11) are circular structure.
4. An electrochemical energy storage device as in claim 1, wherein: the heat dissipation groove (3) is of an arc-shaped structure and is perpendicular to the protective shell (1).
5. An electrochemical energy storage device as in claim 1, wherein: the heat dissipation holes (4) are of a circular structure and are parallel to the heat dissipation grooves (3).
6. An electrochemical energy storage device as in claim 1, wherein: the protective shell (1) is of a square structure and is mutually embedded with the storage battery body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010008573.4A CN111180628B (en) | 2020-01-03 | 2020-01-03 | Electrochemical energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010008573.4A CN111180628B (en) | 2020-01-03 | 2020-01-03 | Electrochemical energy storage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111180628A CN111180628A (en) | 2020-05-19 |
| CN111180628B true CN111180628B (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010008573.4A Active CN111180628B (en) | 2020-01-03 | 2020-01-03 | Electrochemical energy storage device |
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| Country | Link |
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| CN (1) | CN111180628B (en) |
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| JP2010153047A (en) * | 2008-12-23 | 2010-07-08 | Sumitomo Wiring Syst Ltd | Battery terminal |
| JP2013218936A (en) * | 2012-04-11 | 2013-10-24 | Unicarriers Corp | Battery case suspension |
| CN206490105U (en) * | 2017-01-16 | 2017-09-12 | 东莞市台铃车业有限公司 | A kind of battery safety protection device |
| CN206789595U (en) * | 2017-05-22 | 2017-12-22 | 赣州市创翔电源有限公司 | A kind of lead carbon nanometer silica gel battery |
| CN208336292U (en) * | 2018-04-25 | 2019-01-04 | 安徽威格路新能源科技有限公司 | A kind of Multifunctional new energy battery storage box |
| CN208422998U (en) * | 2018-06-13 | 2019-01-22 | 广州海志电源设备有限公司 | A kind of heat-insulation and heat-preservation shell of lead-acid accumulator |
| CN208753400U (en) * | 2018-09-26 | 2019-04-16 | 苏州同贸电子科技有限公司 | Improve the fixed bracket of battery pack of bonding strength |
| CN109786597A (en) * | 2018-12-26 | 2019-05-21 | 珠海天沃电力科技有限公司 | A kind of new-type battery |
| CN209088017U (en) * | 2018-12-25 | 2019-07-09 | 合肥环信电动车业有限公司 | A kind of lead acid storage battery for traction convenient for safeguarding |
| CN110474001A (en) * | 2019-08-16 | 2019-11-19 | 蚌埠市鑫泰工程塑料制品有限公司 | A kind of battery cell case being conveniently replaceable |
| CN209860046U (en) * | 2019-06-17 | 2019-12-27 | 深圳市顺利通达科技有限公司 | Storage battery with circuit falling prevention function |
-
2020
- 2020-01-03 CN CN202010008573.4A patent/CN111180628B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010153047A (en) * | 2008-12-23 | 2010-07-08 | Sumitomo Wiring Syst Ltd | Battery terminal |
| JP2013218936A (en) * | 2012-04-11 | 2013-10-24 | Unicarriers Corp | Battery case suspension |
| CN206490105U (en) * | 2017-01-16 | 2017-09-12 | 东莞市台铃车业有限公司 | A kind of battery safety protection device |
| CN206789595U (en) * | 2017-05-22 | 2017-12-22 | 赣州市创翔电源有限公司 | A kind of lead carbon nanometer silica gel battery |
| CN208336292U (en) * | 2018-04-25 | 2019-01-04 | 安徽威格路新能源科技有限公司 | A kind of Multifunctional new energy battery storage box |
| CN208422998U (en) * | 2018-06-13 | 2019-01-22 | 广州海志电源设备有限公司 | A kind of heat-insulation and heat-preservation shell of lead-acid accumulator |
| CN208753400U (en) * | 2018-09-26 | 2019-04-16 | 苏州同贸电子科技有限公司 | Improve the fixed bracket of battery pack of bonding strength |
| CN209088017U (en) * | 2018-12-25 | 2019-07-09 | 合肥环信电动车业有限公司 | A kind of lead acid storage battery for traction convenient for safeguarding |
| CN109786597A (en) * | 2018-12-26 | 2019-05-21 | 珠海天沃电力科技有限公司 | A kind of new-type battery |
| CN209860046U (en) * | 2019-06-17 | 2019-12-27 | 深圳市顺利通达科技有限公司 | Storage battery with circuit falling prevention function |
| CN110474001A (en) * | 2019-08-16 | 2019-11-19 | 蚌埠市鑫泰工程塑料制品有限公司 | A kind of battery cell case being conveniently replaceable |
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| Publication number | Publication date |
|---|---|
| CN111180628A (en) | 2020-05-19 |
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