CN112366428A - Lithium ion energy storage battery - Google Patents
Lithium ion energy storage battery Download PDFInfo
- Publication number
- CN112366428A CN112366428A CN202011224810.7A CN202011224810A CN112366428A CN 112366428 A CN112366428 A CN 112366428A CN 202011224810 A CN202011224810 A CN 202011224810A CN 112366428 A CN112366428 A CN 112366428A
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- CN
- China
- Prior art keywords
- battery
- energy storage
- battery case
- lithium ion
- ion energy
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- 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.)
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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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
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch cells
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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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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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
Abstract
The invention discloses a lithium ion energy storage battery, which comprises a battery case insulating upper cover, wherein a battery case middle fixing frame is fixedly connected below the battery case insulating upper cover, a battery case insulating base is fixedly connected below the battery case middle fixing frame, a battery anode tab is arranged at one end above the battery case insulating upper cover, an anode fixing bolt is screwed above the battery anode tab, a battery cathode tab is arranged at the other end above the battery case insulating upper cover, a cathode fixing bolt is screwed above the battery cathode tab, and a pressing type leakage-proof pressure relief valve is arranged at the middle part above the battery case insulating upper cover; the lithium ion energy storage battery can be conveniently used, can be conveniently wired and installed, can actively relieve pressure inside the battery in time during use, can timely dissipate heat of an internal battery core, effectively reduces the possibility of swelling and even explosion of the battery core, prolongs the service life of the battery and has strong practicability.
Description
Technical Field
The invention relates to the technical field of battery equipment, in particular to a lithium ion energy storage battery.
Background
A lithium ion battery is a secondary battery (rechargeable battery) that mainly operates by movement of lithium ions between a positive electrode and a negative electrode. During charging and discharging, Li + is inserted and extracted back and forth between two electrodes: during charging, Li + is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge.
Lithium batteries are classified into lithium batteries and lithium ion batteries. Lithium ion batteries are used in mobile phones and notebook computers, and are commonly called as lithium batteries. The battery generally adopts a material containing lithium element as an electrode, and is a representative of modern high-performance batteries. The real lithium battery is rarely applied to daily electronic products due to high danger.
Lithium ion batteries were first developed successfully by the company sony, japan in 1990. Lithium ions are inserted into carbon petroleum coke and graphite to form a negative electrode, and the traditional lithium battery uses lithium or lithium alloy as the negative electrode. The anode material is commonly LixCoO2, LixNiO2 and LixMnO4, the electrolyte is LiPF6+ diethylene carbonate (EC) + dimethyl carbonate (DMC), petroleum coke and graphite are used as anode materials, the anode materials are nontoxic and sufficient in resources, lithium ions are embedded into carbon, the high activity of lithium is overcome, the safety problem of the traditional lithium battery is solved, the anode LixCoO2 can reach higher levels in charge and discharge performance and service life, the cost is reduced, and in short, the comprehensive performance of the lithium battery is improved.
However, the output wiring of the existing lithium ion battery is complex and even needs to be welded, and the situation of heating and swelling of the battery core often occurs easily due to charging and discharging work, and more sometimes even explosion occurs.
Disclosure of Invention
The present invention is directed to a lithium ion energy storage battery, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a lithium ion energy storage battery, includes the insulating upper cover of battery case, the insulating upper cover below fixedly connected with battery case middle part fixed frame of battery case, battery case middle part fixed frame below fixedly connected with battery case insulator foot, the insulating upper cover one end of battery case is provided with the anodal utmost point ear of battery, the anodal utmost point ear top spiral shell of battery closes and is connected with anodal fixing bolt, the insulating upper cover other end of battery case is provided with battery negative pole utmost point ear, spiral shell of battery negative pole utmost point ear top spiral shell closes and is connected with negative pole fixing bolt, the insulating upper cover middle part of battery case is provided with push type leak protection relief valve, anodal utmost point ear of battery and battery negative pole utmost point ear below electric connection have battery cell, battery cell below is provided with buffer shim.
As a further scheme of the invention: the positive pole fixing bolt below is provided with the external screw thread pole, the internal thread groove has been seted up to battery positive pole utmost point ear inside, external screw thread pole and internal thread groove match.
As a still further scheme of the invention: the negative pole fixing bolt below is provided with the external screw thread pole equally, battery negative pole utmost point ear is inside has seted up equally the internal thread groove.
As a still further scheme of the invention: the outside of the pressing type leakage-proof relief valve is provided with a pressing valve sleeve, and the pressing type leakage-proof relief valve runs through the insulating upper cover of the battery case and the battery cell.
As a still further scheme of the invention: push type leak protection relief valve below is provided with sealing convex block, sealing convex block is located inside the battery electricity core.
As a still further scheme of the invention: and an electrode plate is arranged in the battery cell.
As a still further scheme of the invention: the battery positive electrode lug and the battery negative electrode lug penetrate through the battery shell insulation upper cover and are electrically connected to the battery core.
As a still further scheme of the invention: the buffer gasket is made of heat-resistant halogen-free silica gel.
As a still further scheme of the invention: the number of the radiating fins is two, and the radiating fins are respectively located on the outer side surfaces of two ends of the battery cell and fixedly connected with the outer side surfaces of the two ends of the battery cell.
As a still further scheme of the invention: the radiating fins are made of copper-aluminum alloy materials in a fin-tooth shape, and the fixing frame in the middle of the battery shell is also made of copper-aluminum alloy materials.
Compared with the prior art, the invention has the beneficial effects that:
1. the battery positive pole lug, the positive pole fixing bolt, the battery negative pole lug and the negative pole fixing bolt can conveniently connect the output of the battery, the connection wire is wound on the external thread rod below the positive pole fixing bolt and the negative pole fixing bolt, and then the external thread rod is screwed into the internal thread groove to finish the installation and fixation.
2. The pressing type leakage-proof relief valve, the pressing valve sleeve and the sealing lug are arranged, when the pressing type leakage-proof relief valve is used, the pressure inside a battery can be relieved to prevent the battery from swelling and even exploding due to overlarge internal pressure of the battery, the pressing type leakage-proof relief valve is pressed, the sealing lug at the bottom end is pushed downwards to be away from the bottom end of the pressing valve sleeve, the pressure inside the battery can be relieved, the pressing type leakage-proof relief valve is loosened, the whole pressing type leakage-proof relief valve bounces upwards, and the sealing.
3. The fin-tooth-shaped radiating fin made of copper-aluminum alloy material is attached to the battery cell, so that the battery cell can be effectively radiated, and the situation that the battery cell is overheated to generate cell swelling and even explosion due to long-time work and heating of the battery cell is prevented.
Drawings
Fig. 1 is a schematic structural diagram of a lithium ion energy storage battery.
Fig. 2 is a schematic diagram of the internal structure of the lithium ion energy storage battery.
Fig. 3 is a schematic front view of an internal structure of the lithium ion energy storage battery.
Fig. 4 is a schematic cross-sectional structure diagram of a lithium ion energy storage battery.
In the figure: 1-battery case insulating upper cover, 2-battery case middle fixing frame, 3-battery case insulating base, 4-battery positive pole lug, 5-positive pole fixing bolt, 6-battery negative pole lug, 7-negative pole fixing bolt, 8-pressing type leakage-proof pressure release valve, 9-battery cell, 10-buffer gasket, 11-heat radiating fin, 12-external thread rod, 13-internal thread groove, 14-pressing valve sleeve, 15-sealing lug and 16-electrode piece.
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.
Referring to fig. 1 to 4, in the embodiment of the present invention, a lithium ion energy storage battery includes a battery case insulating upper cover 1, a battery case middle fixing frame 2 is fixedly connected below the battery case insulating upper cover 1, a battery case insulating base 3 is fixedly connected below the battery case middle fixing frame 2, a battery positive electrode tab 4 is disposed at one end above the battery case insulating upper cover 1, a positive electrode fixing bolt 5 is screwed above the battery positive electrode tab 4, a battery negative electrode tab 6 is disposed at the other end above the battery case insulating upper cover 1, a negative electrode fixing bolt 7 is screwed above the battery negative electrode tab 6, a press-type leakage-proof relief valve 8 is disposed at the middle above the battery case insulating upper cover 1, a battery cell 9 is electrically connected below the battery positive electrode tab 4 and the battery negative electrode tab 6, the battery positive electrode tab 4 and the battery negative electrode tab 6 penetrate through the battery case insulating upper cover 1, electrically connected with the battery cell 9, a buffer gasket 10 is arranged below the battery cell 9, the buffer gasket 10 is made of heat-resistant halogen-free silica gel, a heat sink 11 is arranged at one end of the battery cell 9, two sets of the heat sinks 11 are arranged, the heat sink 11 is made of copper-aluminum alloy with a fin tooth shape, the middle fixed frame 2 of the battery case is made of copper-aluminum alloy and is respectively positioned at the outer sides of the two ends of the battery cell 9 for fixed surface connection, an external thread rod 12 is arranged below the positive fixed bolt 5, an internal thread groove 13 is arranged inside the positive electrode tab 4 of the battery, the external thread rod 12 is arranged below the negative fixed bolt 7, the internal thread groove 13 is also arranged inside the negative electrode tab 6 of the battery, the external thread rod 12 is matched with the internal thread groove 13, and a pressing valve sleeve 14 is arranged outside the pressing type leakage-proof pressure release valve 8, push type leak protection relief valve 8 runs through battery case insulation upper cover 1 with battery cell 9, push type leak protection relief valve 8 below is provided with sealing lug 15, sealing lug 15 is located inside battery cell 9, inside electrode slice 16 that is provided with of battery cell 9.
The working principle of the invention is as follows: during the use, the wiring is wound on the external thread rod 12 below the positive fixing bolt 5 and the negative fixing bolt 7, then the external thread rod 12 is screwed into the internal thread groove 13 to complete the installation and fixation of the wiring, after one end of the battery works, the pressing type leakage-proof relief valve 8 can be actively pressed, the bottom sealing lug 15 is pushed downwards to leave the bottom end of the pressing valve sleeve 14, the pressure can be released inside the battery, the pressing type leakage-proof relief valve 8 is loosened, the whole body of the pressing type leakage-proof relief valve 8 bounces upwards, the sealing lug 15 is attached to the pressing valve sleeve 14 to complete sealing, the heat radiating fin 11 made of the fin-shaped copper-aluminum alloy material above the battery electric core 9 is attached to the working process, the heat radiation of the battery electric.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The lithium ion energy storage battery is characterized by comprising an upper insulating battery case cover (1), wherein a middle fixing frame (2) of the battery case is fixedly connected below the upper insulating battery case cover (1), a middle insulating battery case base (3) of the battery case is fixedly connected below the middle fixing frame (2), a positive electrode tab (4) of the battery is arranged at one end above the upper insulating battery case cover (1), a positive fixing bolt (5) is screwed above the positive electrode tab (4), a negative electrode tab (6) of the battery is arranged at the other end above the upper insulating battery case cover (1), a negative fixing bolt (7) is screwed above the negative electrode tab (6), a pressing type leakage-proof pressure release valve (8) is arranged at the middle part above the upper insulating battery case cover (1), and a battery cell (9) is electrically connected below the positive electrode tab (4) and the negative electrode tab (6), a buffer gasket (10) is arranged below the battery cell (9), and a radiating fin (11) is arranged at one end of the battery cell (9).
2. The lithium ion energy storage battery as claimed in claim 1, wherein an external thread rod (12) is arranged below the positive fixing bolt (5), an internal thread groove (13) is formed inside the battery positive electrode tab (4), and the external thread rod (12) is matched with the internal thread groove (13).
3. The lithium ion energy storage battery according to claim 2, characterized in that the external thread rod (12) is also arranged below the negative electrode fixing bolt (7), and the internal thread groove (13) is also arranged inside the battery negative electrode tab (6).
4. The lithium ion energy storage battery according to claim 1, wherein a pressing valve sleeve (14) is arranged outside the pressing type leakage-proof pressure relief valve (8), and the pressing type leakage-proof pressure relief valve (8) penetrates through the battery case insulating upper cover (1) and the battery cell (9).
5. The lithium ion energy storage battery according to claim 1, wherein a sealing bump (15) is arranged below the pressing type leakage-proof pressure relief valve (8), and the sealing bump (15) is positioned inside the battery cell (9).
6. The lithium-ion energy storage battery as claimed in claim 1, characterized in that electrode tabs (16) are arranged inside the battery cells (9).
7. The lithium ion energy storage battery according to claim 1, wherein the battery positive electrode tab (4) and the battery negative electrode tab (6) penetrate through the battery shell insulation upper cover (1) and are electrically connected onto the battery cell (9).
8. The lithium ion energy storage battery according to claim 1, wherein the buffer gasket (10) is made of heat-resistant halogen-free silica gel.
9. The lithium ion energy storage battery according to claim 1, wherein the number of the heat dissipation fins (11) is two, and the heat dissipation fins are respectively fixedly connected with the outer side surfaces of the two ends of the battery cell (9).
10. The lithium ion energy storage battery according to claim 1, wherein the heat sink (11) is a copper-aluminum alloy heat sink in a fin-tooth shape, and the battery case middle fixing frame (2) is also made of copper-aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011224810.7A CN112366428A (en) | 2020-11-05 | 2020-11-05 | Lithium ion energy storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011224810.7A CN112366428A (en) | 2020-11-05 | 2020-11-05 | Lithium ion energy storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112366428A true CN112366428A (en) | 2021-02-12 |
Family
ID=74510066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011224810.7A Pending CN112366428A (en) | 2020-11-05 | 2020-11-05 | Lithium ion energy storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112366428A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113904043A (en) * | 2021-09-13 | 2022-01-07 | 宁德新能源科技有限公司 | Hard shell battery cell and power utilization device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4830624A (en) * | 1988-02-09 | 1989-05-16 | Rose Keith A | Twist-on battery connector |
| US5037333A (en) * | 1988-02-24 | 1991-08-06 | Jacobson Mfg. Co., Inc. | Wire-wrap connector |
| JPH05190201A (en) * | 1992-01-14 | 1993-07-30 | Hitachi Maxell Ltd | Sealed alkaline storage battery |
| JPH1116565A (en) * | 1997-06-26 | 1999-01-22 | Sumitomo Wiring Syst Ltd | Battery post |
| JP2006277974A (en) * | 2005-03-28 | 2006-10-12 | Sanyo Electric Co Ltd | Battery |
| JP2007076104A (en) * | 2005-09-13 | 2007-03-29 | Bridgestone Corp | Sealing pump-up device |
| US20090155672A1 (en) * | 2007-12-18 | 2009-06-18 | Panasonic Ev Energy Co., Ltd. | Secondary battery |
| CN202817198U (en) * | 2012-10-17 | 2013-03-20 | 北京机电工程研究所 | Electrical connection structure of high-temperature-resistant thermal battery |
-
2020
- 2020-11-05 CN CN202011224810.7A patent/CN112366428A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4830624A (en) * | 1988-02-09 | 1989-05-16 | Rose Keith A | Twist-on battery connector |
| US5037333A (en) * | 1988-02-24 | 1991-08-06 | Jacobson Mfg. Co., Inc. | Wire-wrap connector |
| JPH05190201A (en) * | 1992-01-14 | 1993-07-30 | Hitachi Maxell Ltd | Sealed alkaline storage battery |
| JPH1116565A (en) * | 1997-06-26 | 1999-01-22 | Sumitomo Wiring Syst Ltd | Battery post |
| JP2006277974A (en) * | 2005-03-28 | 2006-10-12 | Sanyo Electric Co Ltd | Battery |
| JP2007076104A (en) * | 2005-09-13 | 2007-03-29 | Bridgestone Corp | Sealing pump-up device |
| US20090155672A1 (en) * | 2007-12-18 | 2009-06-18 | Panasonic Ev Energy Co., Ltd. | Secondary battery |
| CN202817198U (en) * | 2012-10-17 | 2013-03-20 | 北京机电工程研究所 | Electrical connection structure of high-temperature-resistant thermal battery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113904043A (en) * | 2021-09-13 | 2022-01-07 | 宁德新能源科技有限公司 | Hard shell battery cell and power utilization device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210212 |
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| RJ01 | Rejection of invention patent application after publication |