Internal Integrated Temperature Sensor for Lithium-Ion Batteries
Lithium-ion batteries represent a significant component of the field of energy storage, with a diverse range of applications in consumer electronics, portable devices, and numerous other fields. In view of the growing concerns about the safety of batteries, it is of the utmost importance to develop...
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| Format: | Article |
| Language: | English |
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MDPI AG
2025-01-01
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| Series: | Sensors |
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| Online Access: | https://www.mdpi.com/1424-8220/25/2/511 |
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| author | Pengfei Yang Kai Su Shijie Weng Jiang Han Qian Zhang Zhiqiang Li Xiaoli Peng Yong Xiang |
| author_facet | Pengfei Yang Kai Su Shijie Weng Jiang Han Qian Zhang Zhiqiang Li Xiaoli Peng Yong Xiang |
| author_sort | Pengfei Yang |
| collection | DOAJ |
| description | Lithium-ion batteries represent a significant component of the field of energy storage, with a diverse range of applications in consumer electronics, portable devices, and numerous other fields. In view of the growing concerns about the safety of batteries, it is of the utmost importance to develop a sensor that is capable of accurately monitoring the internal temperature of lithium-ion batteries. External sensors are subject to the necessity for additional space and ancillary equipment. Moreover, external sensors cannot accurately measure internal battery temperature due to packaging material interference, causing a temperature discrepancy between the interior and surface. Consequently, this study presents an integrated temperature sensor within the battery, based on PT1000 resistance temperature detector (RTD). The sensor is integrated with the anode via a flexible printed circuit (FPC), simplifying the assembly process. The PT1000 RTD microsensor’s temperature is linearly related to resistance (R = 3.71T + 1003.86). It measures about 15 °C temperature difference inside/outside the battery. On short-circuit, the battery’s internal temperature rises to 27 °C in 10 s and 32 °C in 20 s, measured by the sensor. A battery with the PT1000 sensor retains 89.8% capacity under 2 C, similar to the normal battery. Furthermore, a PT1000 temperature array sensor was designed and employed to enable precise monitoring and localization of internal temperature variations. |
| format | Article |
| id | doaj-art-b0ebeee3b6364cbbb8ffd6362247f50d |
| institution | Kabale University |
| issn | 1424-8220 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj-art-b0ebeee3b6364cbbb8ffd6362247f50d2025-01-24T13:49:11ZengMDPI AGSensors1424-82202025-01-0125251110.3390/s25020511Internal Integrated Temperature Sensor for Lithium-Ion BatteriesPengfei Yang0Kai Su1Shijie Weng2Jiang Han3Qian Zhang4Zhiqiang Li5Xiaoli Peng6Yong Xiang7School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, ChinaSchool of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, ChinaSchool of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, ChinaSchool of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, ChinaSchool of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, ChinaZhuhai Henger Microelectronic Equipment Co., Ltd., 6 Jinyuan First Road, Tangjiawan Town, High-Tech Zone, Zhuhai 519085, ChinaSchool of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, ChinaSchool of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, ChinaLithium-ion batteries represent a significant component of the field of energy storage, with a diverse range of applications in consumer electronics, portable devices, and numerous other fields. In view of the growing concerns about the safety of batteries, it is of the utmost importance to develop a sensor that is capable of accurately monitoring the internal temperature of lithium-ion batteries. External sensors are subject to the necessity for additional space and ancillary equipment. Moreover, external sensors cannot accurately measure internal battery temperature due to packaging material interference, causing a temperature discrepancy between the interior and surface. Consequently, this study presents an integrated temperature sensor within the battery, based on PT1000 resistance temperature detector (RTD). The sensor is integrated with the anode via a flexible printed circuit (FPC), simplifying the assembly process. The PT1000 RTD microsensor’s temperature is linearly related to resistance (R = 3.71T + 1003.86). It measures about 15 °C temperature difference inside/outside the battery. On short-circuit, the battery’s internal temperature rises to 27 °C in 10 s and 32 °C in 20 s, measured by the sensor. A battery with the PT1000 sensor retains 89.8% capacity under 2 C, similar to the normal battery. Furthermore, a PT1000 temperature array sensor was designed and employed to enable precise monitoring and localization of internal temperature variations.https://www.mdpi.com/1424-8220/25/2/511internal integratedflexible printed circuittemperature sensorlithium-ion battery |
| spellingShingle | Pengfei Yang Kai Su Shijie Weng Jiang Han Qian Zhang Zhiqiang Li Xiaoli Peng Yong Xiang Internal Integrated Temperature Sensor for Lithium-Ion Batteries Sensors internal integrated flexible printed circuit temperature sensor lithium-ion battery |
| title | Internal Integrated Temperature Sensor for Lithium-Ion Batteries |
| title_full | Internal Integrated Temperature Sensor for Lithium-Ion Batteries |
| title_fullStr | Internal Integrated Temperature Sensor for Lithium-Ion Batteries |
| title_full_unstemmed | Internal Integrated Temperature Sensor for Lithium-Ion Batteries |
| title_short | Internal Integrated Temperature Sensor for Lithium-Ion Batteries |
| title_sort | internal integrated temperature sensor for lithium ion batteries |
| topic | internal integrated flexible printed circuit temperature sensor lithium-ion battery |
| url | https://www.mdpi.com/1424-8220/25/2/511 |
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