Seawater metal air battery temperature monitoring system based on optical fiber sensing and monitoring method and application thereof

By using fiber Bragg grating sensing technology in seawater metal-air batteries, the problems of poor stability and difficulty in multi-point measurement of traditional electrical sensors in seawater environments are solved, enabling high-precision, multi-point in-situ monitoring of battery internal temperature, supporting battery performance optimization and thermal management.

CN122085142APending Publication Date: 2026-05-26HAINAN UNIV
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HAINAN UNIV
Filing Date
2026-04-16
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

In the existing technology, the temperature monitoring methods for seawater metal-air batteries are relatively limited. Traditional electrical sensors have poor long-term stability in the highly corrosive seawater environment, making it difficult to achieve multi-point distributed measurement, unable to obtain information on the internal temperature distribution of the battery, and may introduce electrochemical interference.

Method used

Using fiber Bragg grating (FBG) sensing technology, fiber Bragg gratings are deployed inside or on the surface of seawater metal-air batteries. Combined with a spectral demodulation module, temperature changes are monitored in real time to achieve multi-point in-situ temperature measurement. A reference grating is used to compensate for changes in ambient temperature.

Benefits of technology

It enables high-precision, multi-point, in-situ monitoring of the temperature of seawater metal-air batteries, providing reliable temperature data support and improving the accuracy and reliability of battery performance evaluation and thermal management.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122085142A_ABST
    Figure CN122085142A_ABST
Patent Text Reader

Abstract

The invention relates to a seawater metal air battery temperature monitoring system based on optical fiber sensing and a monitoring method and application thereof, and belongs to the technical field of battery monitoring. The monitoring system comprises a seawater metal air battery monomer, an optical fiber temperature sensing unit and a spectrum demodulation module, the seawater metal air battery monomer comprises an electrochemical reaction system taking seawater as an electrolyte; the electrochemical reaction system comprises an anode, a cathode, the electrolyte and a battery shell; the optical fiber temperature sensing unit comprises at least one optical fiber, and an optical fiber Bragg grating is arranged on the optical fiber; and the spectrum demodulation module is connected with the optical path of the optical fiber. The system overcomes the defects that a traditional electrical temperature sensor is prone to corrosion, poor in long-term stability and difficult to arrange in a multi-point mode in the seawater environment, in-situ, real-time and multi-point monitoring of the seawater environment temperature and the battery reaction temperature is achieved, reliable data support can be provided for battery performance evaluation and heat management, and the system is applied to the fields of marine equipment energy management and the like.
Need to check novelty before this filing date? Find Prior Art