CN216597754U - Honeycomb combined lithium battery cell suitable for low-temperature environment - Google Patents
Honeycomb combined lithium battery cell suitable for low-temperature environment Download PDFInfo
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- CN216597754U CN216597754U CN202220076022.6U CN202220076022U CN216597754U CN 216597754 U CN216597754 U CN 216597754U CN 202220076022 U CN202220076022 U CN 202220076022U CN 216597754 U CN216597754 U CN 216597754U
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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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Abstract
The utility model belongs to the technical field of lithium batteries, in particular to a honeycomb combined lithium battery cell suitable for low-temperature environment, which comprises a honeycomb-shaped distribution baffle plate group and a battery pack arranged in the baffle plate group, wherein the battery pack comprises battery cores arranged in a multi-layer overlapping manner, a heating baffle plate is arranged between every two adjacent battery cores, and joint contacts are fixedly arranged at the middle positions of the top surface and the bottom surface of each battery core; through setting up the partition plate group that is cellular distribution, set up the heating baffle between two adjacent battery cores, set up electric heat module and temperature detection module on the heating baffle, temperature detection module can the real-time detection battery core ambient temperature who locates, the temperature that battery core is located can be adjusted according to ambient temperature's change to electric heat module to make the battery core work under the temperature of preferred, the operating time of extension group battery makes the group battery can work under chilly air circumstance.
Description
Technical Field
The utility model belongs to the technical field of the lithium cell, concretely relates to combined lithium battery cell of honeycomb suitable for low temperature environment.
Background
The lithium ion battery includes a liquid Lithium Ion Battery (LIB) and a polymer lithium ion battery (PLB). The liquid lithium ion battery is a secondary battery in which a Li + intercalation compound is used as a positive electrode and a negative electrode. The anode adopts lithium compounds-lithium cobaltate and lithium manganate, the cathode adopts lithium-carbon interlamination compounds, and the lithium ion battery has high working voltage, small volume, light weight, high energy, no memory effect, no pollution, small self-discharge and long cycle life.
Aiming at the requirements of power supply and charging of emergency communication equipment in an emergency rescue site in a low-temperature cold environment, the lithium battery pack based on the honeycomb structure and suitable for the low-temperature environment is designed, the power supply problem caused by damage of basic power supply facilities in a disaster accident site and under the condition of the cold environment is solved, and power guarantee is provided for fire emergency communication.
SUMMERY OF THE UTILITY MODEL
The utility model provides a combined lithium cell electricity core of honeycomb suitable for low temperature environment to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a combined lithium cell electricity core of honeycomb suitable for low temperature environment, is including being the baffle group that honeycomb-shaped distributes and installing the inside group battery of baffle group, the group battery includes that the multilayer folds the battery core that presses the setting, adjacent two install the heating baffle between the battery core, the top of battery core, bottom surface intermediate position department are all fixed and are equipped with the joint contact, the intermediate position department of heating baffle has seted up and has corresponded the hole that connects the contact, so that adjacent two the battery core passes through joint contact electric connection, the heating baffle is including hindering spacer frame and loading board, the loading board is fixed it is inboard to hinder the spacer frame, evenly distributed has electric heat module on the loading board, just fixed mounting has temperature detection module on the loading board, electric heat module and temperature detection module all with external power source electric connection.
Preferably, the cross section of the bearing plate is in a wave shape or a fold line shape.
Preferably, the separation frame and the bearing plate are integrally formed and fixed, and the separation frame and the bearing plate are made of ceramic plates.
Preferably, the partition plate group comprises a plurality of rectangular plates, and wiring ports are formed in the top and the bottom of each rectangular plate, so that two adjacent groups of battery packs are connected electrically through the wiring ports.
Preferably, the rectangular plate comprises a heat insulation plate and flame retardant plates, and the flame retardant plates are fixedly arranged on two sides of the heat insulation plate.
Preferably, the thickness of the heat-insulating plate is more than twice of that of the flame-retardant plate.
Preferably, the included angle between two adjacent rectangular plates is one hundred twenty degrees.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a setting is cellular distribution's baffle group, set up the heating baffle between two adjacent battery cores, set up electric heat module and temperature detection module on the heating baffle, temperature detection module can the ambient temperature that real-time detection battery core locates, the temperature that battery core locates can be adjusted according to ambient temperature's change to electric heat module to make the battery core work under the temperature of preferred, the operating time of extension group battery makes the group battery can work under chilly air circumstance.
Drawings
The accompanying drawings 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 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 schematic top view of the present invention;
fig. 3 is a schematic perspective view of the present invention;
fig. 4 is a schematic structural diagram of the middle partition plate group of the present invention.
In the figure: 10. a battery pack; 1. a battery cell; 11. a connector contact; 2. heating the partition plate; 21. a barrier frame; 22. an electric heating module; 23. a temperature detection module; 24. a carrier plate; 20. a separator group; 201. a wiring port; 202. a flame retardant sheet; 203. provided is an insulation board.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a combined lithium cell electric core of honeycomb suitable for low temperature environment, including being the baffle group 20 of honeycomb distribution and installing at the inside group battery 10 of baffle group 20, group battery 10 includes that the multilayer folds the battery core 1 that presses the setting, install between two adjacent battery cores 1 and heat baffle 2, the top of battery core 1, bottom surface intermediate position department all fixes and is equipped with joint contact 11, the hole that corresponds joint contact 11 is seted up to the intermediate position department of heating baffle 2, so that two adjacent battery cores 1 are through joint contact 11 electric connection, heat baffle 2 is including hindering spacer frame 21 and loading board 24, loading board 24 is fixed and is being hindered spacer frame 21 inboard, evenly distributed has electric heat module 22 on loading board 24, and fixed mounting has temperature detection module 23 on loading board 24, electric heat module 22 and temperature detection module 23 all with external power source electric connection.
In this embodiment, the partition plate groups 20 are arranged in a honeycomb manner, and the battery pack 10 composed of a plurality of battery cores 1 is installed in the honeycomb formed by each partition plate group 20, wherein the heating partition plate 2 is arranged between two adjacent battery cores 1, the heating partition plate 2 is provided with the electrothermal module 22 and the temperature detection module 23, the temperature detection module 23 can detect the ambient temperature of the battery cores 1 in real time, the electrothermal module 22 can adjust the temperature of the battery cores 1 according to the change of the ambient temperature, so that the battery cores 1 work at a better temperature, the working time of the battery pack 10 is prolonged, and the battery pack 10 can work in a cold air environment.
Specifically, the cross section of the bearing plate 24 is in a wave shape or a fold line shape, so that the heating area of the battery core 1 can be increased, and the heating speed of the battery core 1 is increased.
Specifically, the barrier frame 21 and the carrier plate 24 are integrally formed and fixed, and the barrier frame 21 and the carrier plate 24 are ceramic plates having good insulation and flame retardancy, so that the influence of the ignition of the battery cell 1 on other battery cells 1 can be reduced.
Specifically, the partition plate group 20 includes a plurality of rectangular plates, and the wiring opening 201 has all been seted up to the top and the bottom of rectangular plate to make the wiring of two adjacent groups of group batteries 10 pass wiring opening 201 and connect electrically, a plurality of battery cores 1 form group batteries 10 in same partition plate group 20 inboard, connect electrically through joint contact 11 before the battery core 1 of same group, the wiring of adjacent group batteries 10 passes wiring opening 201 and connects electrically, thereby it is that multiunit battery core 1 forms the electricity and connects.
Specifically, the rectangular plate includes heated board 203 and fire-retardant board 202, and the both sides of heated board 203 are all fixed and are equipped with fire-retardant board 202, and the thickness of heated board 203 is more than the twice of fire-retardant board 202 thickness, and heated board 203 adopts polyurethane foam or polyurethane foam to form, and fire-retardant board 202 adopts the board that asbestos or glass fiber pressfitting formed, can play better fire-retardant effect.
Specifically, the included angle of two adjacent rectangular plates is one hundred twenty degrees, so, can splice and form honeycomb structure, save the installation space of group battery 10 to make between the group battery 10 compacter.
The utility model discloses a theory of operation and use flow: by arranging the partition board group 20 distributed in a honeycomb shape, the partition board group 20 comprises a plurality of rectangular boards, the top and the bottom of each rectangular board are respectively provided with a wiring port 201, so that the wiring of two adjacent groups of battery packs 10 penetrates through the wiring ports 201 to be electrically connected, a plurality of battery cells 1 form the battery packs 10 on the inner side of the same partition board group 20, the battery cells 1 in the same group are electrically connected through the joint contacts 11, the wiring of the adjacent battery packs 10 penetrates through the wiring ports 201 to be electrically connected, and therefore, a plurality of groups of battery cells 1 form the electrical connection, the battery packs 10 consisting of a plurality of battery cells 1 are arranged in a honeycomb formed by each partition board group 20, a heating partition board 2 is arranged between two adjacent battery cells 1, an electric heating module 22 and a temperature detection module 23 are arranged on the heating partition board 2, the temperature detection module 23 can detect the environmental temperature of the battery cells 1 in real time, the electric heating module 22 can adjust the temperature of the battery cells 1 according to the change of the environmental temperature, so that the battery cell 1 operates at a preferred temperature, and the operating time of the battery pack 10 is extended, so that the battery pack 10 can operate in a cold air environment.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 (7)
1. The utility model provides a combined lithium cell electricity core of honeycomb suitable for low temperature environment which characterized in that: the battery pack comprises a honeycomb-shaped partition plate group (20) and a battery pack (10) arranged in the partition plate group (20), wherein the battery pack (10) comprises a plurality of battery cores (1) which are stacked and pressed in a multi-layer mode, a heating partition plate (2) is arranged between every two adjacent battery cores (1), joint contacts (11) are fixedly arranged at the middle positions of the top surface and the bottom surface of each battery core (1), holes corresponding to the joint contacts (11) are formed in the middle positions of the heating partition plate (2), so that the adjacent two battery cores (1) are electrically connected through the joint contacts (11), the heating partition plate (2) comprises a blocking frame (21) and a bearing plate (24), the bearing plate (24) is fixed on the inner side of the blocking frame (21), electric heating modules (22) are uniformly distributed on the bearing plate (24), and a temperature detection module (23) is fixedly arranged on the bearing plate (24), the electric heating module (22) and the temperature detection module (23) are electrically connected with an external power supply.
2. A honeycomb combination type lithium battery cell suitable for use in a low temperature environment in accordance with claim 1, wherein: the cross section of the bearing plate (24) is wave-shaped or fold-line-shaped.
3. A honeycomb combination type lithium battery cell suitable for use in a low temperature environment in accordance with claim 1, wherein: the separation frame (21) is fixed with the bearing plate (24) in an integrated mode, and the separation frame (21) and the bearing plate (24) are ceramic plates.
4. A honeycomb combination type lithium battery cell suitable for use in a low temperature environment in accordance with claim 1, wherein: the partition plate group (20) comprises a plurality of rectangular plates, and wiring ports (201) are formed in the top and the bottom of each rectangular plate, so that the wiring of two adjacent groups of battery packs (10) penetrates through the wiring ports (201) to be electrically connected.
5. A honeycomb combination type lithium battery cell suitable for use in a low temperature environment according to claim 4, wherein: the rectangular plate comprises an insulation plate (203) and a flame-retardant plate (202), wherein the flame-retardant plate (202) is fixedly arranged on each of two sides of the insulation plate (203).
6. A honeycomb combination type lithium battery cell suitable for use in a low temperature environment in accordance with claim 5, wherein: the thickness of the heat insulation plate (203) is more than twice of that of the flame retardant plate (202).
7. A honeycomb combination type lithium battery cell suitable for use in a low temperature environment according to claim 4, wherein: the included angle of two adjacent rectangular plates is one hundred twenty degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220076022.6U CN216597754U (en) | 2022-01-13 | 2022-01-13 | Honeycomb combined lithium battery cell suitable for low-temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220076022.6U CN216597754U (en) | 2022-01-13 | 2022-01-13 | Honeycomb combined lithium battery cell suitable for low-temperature environment |
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| CN216597754U true CN216597754U (en) | 2022-05-24 |
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| CN202220076022.6U Active CN216597754U (en) | 2022-01-13 | 2022-01-13 | Honeycomb combined lithium battery cell suitable for low-temperature environment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114976369A (en) * | 2022-06-30 | 2022-08-30 | 江苏正力新能电池技术有限公司 | Cell heating system and method |
| CN115000602A (en) * | 2022-07-13 | 2022-09-02 | 深圳市新鹏翔电子有限公司 | Lithium ion battery and conjuncted lithium cell group |
| CN115020877A (en) * | 2022-08-09 | 2022-09-06 | 时代广汽动力电池有限公司 | Preparation process of new energy battery for improving energy storage capacity |
-
2022
- 2022-01-13 CN CN202220076022.6U patent/CN216597754U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114976369A (en) * | 2022-06-30 | 2022-08-30 | 江苏正力新能电池技术有限公司 | Cell heating system and method |
| CN115000602A (en) * | 2022-07-13 | 2022-09-02 | 深圳市新鹏翔电子有限公司 | Lithium ion battery and conjuncted lithium cell group |
| CN115020877A (en) * | 2022-08-09 | 2022-09-06 | 时代广汽动力电池有限公司 | Preparation process of new energy battery for improving energy storage capacity |
| CN115020877B (en) * | 2022-08-09 | 2022-11-18 | 时代广汽动力电池有限公司 | Preparation process of new energy battery for improving energy storage capacity |
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