PRESSURE RELIEF VALVES FOR BATTERIES

摘要

Batteries are disclosed. In some embodiments, a battery can include a housing including an aperture having an area of at most 0.008 square inch, an anode in the housing, a cathode in the housing, and a membrane. The membrane can cover at least a portion of the aperture, and can include at least one polymer. The membrane can have an area that is at most about 105 percent of the area of the aperture.