Particle and gas sensors monitor battery modules to detect outgassing and contaminant ingress within the housing.
Segmented battery cooling uses valve-controlled compressed air to rapidly lower pack temperatures while detecting gas leaks.
A secondary battery measurement method uses a membrane intermediary to detect surface pressure changes during gas injection.
A porous coordination polymer with tuned metal sites enhances gas adsorption capacity through specific surface area.
A coolant distribution interface uses a testing channel to detect leaks between sealing sections in battery module housings.
Temperature control increases subarea pressure in electrochemical stores to localize defects, reducing maintenance time without adding sensor complexity.
Cryogenic cooling inhibits ion migration, allowing open circuit voltage observation to identify soft shorts within minutes instead of days.
A single-switch leakage detection circuit measures voltage across resistors to identify battery pack isolation faults.
An absorbing material expands upon contact with liquid coolant, opening a valve to expel fluid and prevent electrical shorts in high voltage batteries.
Depressurizing a battery case before filling it with electrolyte solution and leakage testing gas.
A power storage device uses a corrosion portion to detect electrolyte leakage through a liquid discharge valve.
Gas detection system identifies battery modules with active material leakage, resolving delayed voltage change response times.
A battery washer uses an indicator component to change color upon electrolyte contact, enabling visual leakage detection.