Patent ID: 7858226

Claim:
A battery comprising: a cell comprising: a cell housing having at least one fluid entry port for the passage of a fluid into said cell housing; a first fluid consuming electrode; and a second electrode, wherein said cell housing comprises a can and a cover sealed together to form an interior in which said electrodes are disposed and wherein outer surfaces of said can and said cover define outer surfaces of said cell housing; and a fluid regulating system disposed so as to selectively allow fluid to enter into said at least one fluid entry port so as to reach said first fluid consuming electrode, wherein said fluid regulating system comprises: a moving plate disposed adjacent an exterior surface of said cell housing and having at least one plate aperture for moving in and out of alignment with said at least one fluid entry port, a chassis including an aperture for slidably receiving said moving plate and an actuator comprising a shape memory alloy component for moving said moving plate when heat is applied to said shape memory alloy component.