polypropylene (PP) 2 In the EPS (Encapsulated Power System) battery...
Materials for safety valves and pressure relief devices - superalloy springs
The superalloy springs used in the safety valves and pressure relief devices of EPS battery cells have the characteristics of maintaining good performance in high temperature environments, which is essential to ensure the safe operation of the battery in extreme temperature conditions. Here are the details:
main content
Material property
Fatigue resistance: superalloy springs can maintain their elasticity and shape even in a long time of high temperature environment, and are not prone to fatigue fracture.
Oxidation resistance: At high temperatures, these springs are able to resist oxidation and maintain stable performance.
Radiation resistance: For batteries operating in a radiation environment, superalloy springs are able to maintain their structure and function.
Corrosion resistance: Superalloy springs have good corrosion resistance and can maintain performance in various chemical media.
Common materials
GH4169: This is a precipitation-hardened nickel-chromium ferroalloy with high strength below 650 ° C, good toughness and corrosion resistance in both high and low temperature environments.
GH4145: Nickel-based superalloy strengthened with γ '[Ni3(Al, Ti, Nb)] phase has good corrosion resistance and oxidation resistance below 980℃, high strength below 800℃, and good relaxation resistance below 540℃.
Monel K-500, Inconel 718, Inconel X-750, 631, etc., are also commonly used high temperature spring materials, which can maintain performance in different high temperature environments.
Application scenario
Aerospace, nuclear energy: In these fields, springs need to operate under extreme temperature and pressure conditions.
Petroleum industry and extrusion molds: In these high temperature and high pressure environments, superalloy springs provide stable support and elasticity.
Chemical industry: In the chemical treatment and production process, springs need to resist the influence of corrosive media.
High temperature pump valve: In high temperature fluid control, the spring needs to maintain its sealing performance and elasticity.
Because of its excellent performance, the superalloy spring plays a vital role in the safety valve and pressure release device of the EPS battery cell, ensuring the safety and reliability of the battery in high temperature environment.
CONCLUSION
Because of its excellent performance, the superalloy spring plays a vital role in the safety valve and pressure release device of the EPS battery cell, ensuring the safety and reliability of the battery in high temperature environment.
EPS BATTERY SERIES
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