A SYSTEM THAT DETECTS THERMAL EFFICIENCY IN BATTERIES.
Patent Information
- Application Number
- TR202318523
- Authority / Receiving Office
- TR · TR
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2023-12-26
- Publication Date
- 2026-09-21
- Estimated Expiration
- 2043-12-26
Smart Images
Figure 00000012_0000 
Figure 00000013_0000
Abstract
Description
1 TARIFF A SYSTEM THAT DETECTS THERMAL EFFICIENCY IN BATTERIES. Technical Area This invention addresses the pressure that builds up on the cells of a lithium-based battery. by monitoring the data in real time, the heat emission and leakage that occurs early detection and monitoring of battery health status via pressure data. It is related to a system that allows prediction. Previous Technique Electric vehicles, portable devices, storage systems and / or marine vessels any electrically powered vehicle and / or device has a battery on it 15 by storing electrical energy and / or using stored energy It is working. In today's technology, these batteries are especially lithium. It is manufactured based on and capable of storing electrical energy and / or It transfers the stored energy to the relevant vehicle and / or device. However, lithium-based Overheating, overcharging and / or overdischarging of the battery during use, on Heat dissipation due to mechanical damage and / or defects is 20 (propagation) and / or runaway occurs. This heat propagation... Heat dissipation within battery cells due to lack of early detection Propagation and / or runaway occurs rapidly, causing serious injuries. and causes property damage. For this reason, heat transfer and / or Detecting the leak is becoming increasingly important. Today, 25 applications using temperature and pressure data within the battery cell enabling the determination of heat diffusion and / or leakage occurring on it There are systems in place. However, heat distribution and / or leakage is predicted based on instantaneous changes in data within the cell There is no system that allows for early detection. The heat in question is 30. Failure to detect the spread and / or leakage early can cause heat to build up inside the battery. 2 the rapid spread and / or leakage causing serious damage to the battery This is the reason. Therefore, in the current state of the technology, the heat dissipation generated in battery cells... and a foam placed on the cell to enable early detection of leakage 5 pressure and expansion occurring on the cells are monitored with the help of a sensor integrated with the system. real-time monitoring of data, changes in the monitored data Heat dissipation and leakage that may occur during use, along with the health of the battery. A system is needed that allows for the prediction of the situation. Chinese patent CN110492192A, which is included in the known state of the art. the document describes abnormal pressure occurring inside the electric vehicle battery and The text refers to a system for detecting temperature conditions. It mentions a system from China. The invention described in the patent document belongs to the technical field of lithium-ion batteries, lithium-ion batteries, especially those equipped with a device that prevents fire explosions during charging, are 15. It is related. The device consists of a lithium battery; the outer side wall of the lithium battery is surrounded by a shell. it connects, a sensing mechanism is arranged on the outer side wall of the shell, and The protection mechanism includes a pressure sensor and a temperature sensor; air The pressure sensor and temperature sensor assess the potential of the lithium-ion battery during its use. It is designed to prevent safety hazards; air pressure sensor and 20 The temperature sensor indicated that the air pressure and temperature data inside the shell were abnormal. It can detect this, thus ensuring the battery pack doesn't catch fire or explode. Brief Description of the Invention The aim of this invention is to prevent the formation of cells in lithium-based batteries. By monitoring pressure data in real time, the resulting heat dissipation and early detection of leaks and assessment of battery health status using pressure data. The goal is to create a system that allows predictions to be made based on this. Detailed Description of the Invention 3 The "Thermal Emission in Batteries" experiment was conducted to achieve the purpose of this invention. A "Detection System" is shown in the attached figures, which are: Figure 1. Schematic of a system for detecting thermal diffusion in a battery, which is the subject of the invention. 5 It is the appearance. Figure 2. The invention describes a system for detecting thermal diffusion in a battery. This is a view of sensor-integrated foam. The parts shown in the figures are individually numbered, and these numbers correspond to 10 The equivalents are given below: 1. System 2. Battery 2.1. Cell 15 3. Foam 4. Sensor 5. Control unit An invention that enables early detection of heat emission (1); 20 - the storage of electrical energy and / or the stored energy at least one battery (2) containing more than one cell (2.1) that enables its use, - so that the cells (2.1) located on the battery (2) are placed on top of it. at least one foam positioned and used as a thermal barrier (3), - placed inside the foam (3) during the production of foam (3) cell (2.1) 25 It enables the measurement of instantaneous expansion and pressure values occurring on it, at least. a sensor (4) and - in communication with sensor (4) and instantaneous expansion and received from sensor (4) detecting changes in pressure values, and the detected change data. By comparing with the previously determined data, the heat generated on cell (2.1) is 30 Heat emission and / or leak detection. 4 when this happens, it cuts off the current to the battery and / or cell and transmits pressure data. using at least one person who can make an estimate about the health status of the battery (2). It includes a control unit (5). The battery (2) in the system (1) which is the subject of the invention is an electric vehicle, electronic device, 5 any electrically powered vehicle in the form of a storage system and / or a marine vessel and / or storage of electrical energy to enable the device to operate and / or an energy storage system that enables the use of stored electrical energy. It is a unit. A battery (2) is at least capable of storing electrical energy. a body (not shown in the figures) and multiple 10s located inside the body It consists of a cell (2.1). The battery (2) contains electrical energy. Each cell (2.1) located to enable storage must be connected to each other in series and / or The connection is realized in parallel. The invention is a preferred method. In its application, the battery (2) is a pouch type, cylindrical, created according to its intended use. It is a lithium battery with a prismatic structure. 15 The invention is contained in the foam (3) battery (2) in the system (1) by placing between the cells (2.1) depending on the use of the cells (2.1) It dampens expansion and prevents heat exchange between cells (2.1). The foam (3) absorbs the expansion between the cells (2.1) and / or heat 20 It is made of any material that prevents shopping. This In this way, the expansion that takes place on the foam (3) cell (2.1) is absorbed. Increasing the lifespan of the cell (2.1) and preventing heat release due to pressure. is provided. In the preferred application of the invention, foam (3) cells (2.1) silicone, polyurethane, 25 that will allow the expansion to be absorbed. a vermiculite-based foam material or a material used as a thermal barrier It is manufactured. Foam (3) on at least one cell (2.1) located on the battery (2) or absorbing the expansion to ensure complete closure and / or a previously formed material used as a thermal barrier It is produced by pouring it onto a mold. During the production of foam (3) 30 It is manufactured in conjunction with a sensor (4) placed inside the mold. In the system of invention, the sensor (4) located in (1) mold during the production of foam (3) By placing them together inside the foam (3), the expansion of the cells (2.1) on the foam (3) and a thin tube containing a load cell that enables monitoring of pressure data. It is a film. The sensor (4) is in communication with the control unit (5) and on cell (2.1) 5 transmitting the resulting expansion and pressure data to the control unit (5) It provides. The sensor (4) is located inside the foam (3) and is affected by the use. stacking pressure on the cell (2.1) due to the increase in width (2.1) enables the measurement of the total expansion (swelling) value. In this way 10 formed during the use of the sensor cell (2.1) placed inside the foam (3) It enables precise and reliable measurement of pressure and expansion. The control unit (5) in the system (1) which is the subject of the invention is electric vehicle, energy storage of electrical energy in the form of a storage system and / or marine vessel 15 is placed. The control unit (5) is located on the housing (2) with the sensor (4). in communication and monitored via sensor (4) the battery (2) cells (2.1) It receives pressure and expansion data. The control unit (5) receives the pressure and Compare the expansion data with the predetermined values of cell (2.1) a heat propagation and / or runaway on it 20 to determine whether heat may occur or the heat propagation that occurs and / or It is configured to detect runaway leaks. The control unit (5) is heat When it detects spread and / or leakage, it goes to the battery (2) and / or cell (2.1) This interrupts the flow of current. This prevents heat dissipation. and / or leakage of cell (2.1) early detection via working data 25 automatic by ensuring that the current to the battery (2) and / or cell (2.1) is cut off It ensures that early intervention is carried out. Control unit (5) heat the possibility of heat spreading and / or leakage or a heat spreading and / or leakage occurring Information that the current to the battery (2) and / or cell (2.1) has been cut off via the leak It ensures that it is shared with the relevant user. Control unit (5) battery (2) 30 in the pressure and expansion data of the cell (2.1) 6 by using the amount of pressure and expansion increase that occurs due to usage This allows an estimate of the health status of the battery (2). The control unit (5) reports that the current to the battery (2) and / or cell (2.1) has been interrupted. and the estimated health data of the battery (2), for example, of the electric vehicle a vehicle computer located on it, an electronic device owned by the user 5 sharing by communicating with any electronic device in this form It is structured to provide this. Industrial application of the invention 10 The system subject to the invention is (1) battery (2) electric vehicle, energy storage system and / or storage of electrical energy in the form of marine vessels and / or It enables the use of the battery (2) in parallel and / or series. There are at least two cells (2.1) connected as such. There are 15 cells inside the battery (2). by coming onto the cell (2.1) the expansion of the cell (2.1) is absorbed and as a heat barrier which prevents heat diffusion between cells (2.1) The foam (3) used is located on the cell (2.1). absorption of expansion and / or heat dissipation between cells (2.1) It is made of any material that will prevent it. Foam (3) production 20 during which the expansion and pressure data of the cells (2.1) are monitored a sensor in the form of a thin film containing a load cell that provides (4) is placed. The sensor (4) is located inside the foam (3) on the cell (2.1). By enabling the instantaneous monitoring of the pressure and expansion data generated, it sends this data to the control unit (5) It transmits. The control unit (5) receives the instantaneous cell (2.1) from the sensor (4) on 25 It determines the changes in pressure and expansion that occur. Control unit (5) changing pressure and expansion data with predetermined data by comparing whether heat spread and / or leakage occurs on the cell (2.1). It determines that it did not occur. Control unit (5) heat spread and / or leakage When detected, the current to the battery (2) and / or cell (2.1) should be cut off. 30 It informs the user by providing. Also, the control unit (5) cell (2.1) 7 due to the increase in widths that occur on it depending on its usage By measuring the pressure generated, the total expansion value is determined, and the determined Estimation of the health status of the battery (2) based on the total expansion value It ensures that the control unit (5) determines the health status information. This ensures that the user is informed by communicating with them. 5 Around these fundamental concepts, the invention focuses on "Thermal Emission Detection in Batteries". It is possible to develop a wide variety of applications related to "An Eden System (1)", The invention cannot be limited to the examples described here, but mainly to the claims. as stated. 10
Claims
8 REQUESTS 1. Enables early detection of heat emission; - for the storage of electrical energy and / or stored at least 5 which have more than one cell (2.1) that enables the use of energy a battery (2) and - the cells (2.1) located on the battery (2) will come on top of it at least one foam positioned in this way and used as a thermal barrier (3) containing, - placed inside the foam (3) during the production of foam (3) cell 10 (2.1) Measurement of instantaneous expansion and pressure values at least one sensor (4) that provides and - in communication with sensor (4) and instantaneous information received from sensor (4) Detecting changes in expansion and pressure values, By comparing the obtained change data with previously determined data, 15 Detecting heat spread and / or leakage occurring on the cell (2.1), heat When leakage and / or spillage is detected, the path to the battery and / or cell is blocked. interrupting the current and using pressure data to determine the health status of the battery (2) characterized by at least one control unit (5) that makes predictions about it The subject of the invention is a system (1). 20 2. Electric vehicles, electronic devices, storage systems and / or marine vessels the operation of any electrically powered vehicle and / or device in this way to provide electrical energy storage and / or stored 25 is an energy storage unit that enables the use of electrical energy. A system like the one in Claim 1 characterized by a battery (2) (1).
3. At least one casing and necessary for storing electrical energy. with the battery (2) consisting of multiple cells (2.1) located inside the body A system such as Claim 1 or 2 characterized by (1). 30 9 4. Each of the components designed to store electrical energy. a cell (2.1) connected to another in series and / or parallel from the above requests characterized by the battery (2) implemented a system like any other (1).
5. The type of pouch created according to its intended use is cylindrical or prismatic in shape. The battery (2) is characterized by having a lithium battery which has a structure. a system like any of the above-mentioned requests (1).
6. By placing the cells (2.1) inside the battery (2) 10 damping the expansion of the cells (2.1) due to use and Characterized by foam (3) which prevents heat exchange between cells (2.1). a system like any of the above-mentioned requests (1).
7. Absorption of expansion and / or heat between cells (2.1) 15 made of any material that prevents shopping any of the above claims characterized by foam (3) such a system (1).
8. To ensure that expansion between cells (2.1) is absorbed 20 silicone, polyurethane, vermiculite-based foam material or thermal barrier characterized by foam (3) made from a material used a system like any of the above requests (1).
9. At least one cell (2.1) or all of the cells on the battery (2) must be 25 to ensure that expansion is absorbed and / or heat is absorbed in order to seal it. a previously created material used as a barrier Characterized by foam (3) produced by pouring into a mold. a system like any of the above-mentioned requests (1). 10 10. Combined with a sensor (4) placed inside the mold during its production any of the above claims characterized by the foam produced (3) a system like one of them (1).
11. By placing the foam (3) together into the mold during its production 5 Monitoring the expansion and pressure data of the cells (2.1) on the foam (3). with sensor (4) which is a thin film containing a load cell that enables it to be used a system like any of the above characterized claims (1).
12. Communicating with the control unit (5) and the events taking place on cell (2.1) enabling the transmission of expansion and pressure data to the control unit (5) any of the above requests characterized by sensor (4) such a system (1).
13. On the cell (2.1) formed by use, located in the foam (3). The total stacking pressure of the cell (2.1) with the increase in width characterized by the sensor (4) that enables the measurement of the expansion value a system like any of the above requests (1).
14. Electric vehicles, energy storage systems and / or marine vessels. A battery that enables the storage and / or use of electrical energy. (2) and the control unit placed in communication with (5) a system like any of the above characterized claims (1). 25 15. In communication with sensor (4) located on the body (2) and sensor (4) pressure and expansion of battery (2) cells (2.1) monitored the above is characterized by the control unit (5) which receives the data. a system like any of the requests (1). 30 11 16. The pressure and expansion data obtained are compared with the previously determined values. by comparing a heat spread and / or leakage on the cell (2.1) to determine whether it may occur or the heat radiating and / or leaking that has occurred characterized by the control unit (5) which is structured to detect a system like any of the above requests (1). 5 17. When heat emission and / or leakage is detected, the battery (2) and / or cell (2.1) characterized by the control unit (5) that enables the interruption of the outgoing current. a system like any of the above-mentioned requests (1).
18. Heat release and / or leakage may occur, or a heat release may have already occurred. and / or current going to the battery (2) and / or cell (2.1) via leakage A control unit that ensures the relevant user is informed that the connection has been made. (5) like any of the above-mentioned claims characterized by system (1). 15 19. The pressure of the cell (2.1) located in the battery (2) is monitored and Pressure and expansion increase occurring depending on usage in the expansion data. using the amount of battery (2) make an estimate of the health status The above 20 is characterized by the control unit (5) which enables its creation. a system like any of the requests (1).
20. Information that the current to the battery (2) and / or cell (2.1) has been interrupted and estimated health data of the battery (2) of the electric vehicle a vehicle computer located on it, a 25 that the user owns by communicating with any electronic device in the form of an electronic device with the control unit (5) configured to enable sharing a system like any of the above characterized claims (1).