Battery constructions having reduced collector assembly volume

A D sized battery comprising:

• a can for containing electrochemically active materials including at least positive and negative electrodes and an electrolyte, said can having an open end and a closed end;
• and
• a collector assembly positioned across the open end of said can, said collector assembly having a collector and a cover, the collector assembly defining a collector assembly volume of less than 5.0 percent and at least 1.6 percent of the total volume of the battery.

A C sized battery comprising:

• a can for containing electrochemically active materials including at least positive and negative electrodes and an electrolyte, said can having an open end and a closed end;
• and
• a collector assembly positioned across the open end of said can, said collector assembly having a collector and a cover, the collector assembly defining a collector assembly volume of less than 7.0 percent and at least 2.6 percent of the total volume of the battery.

An AA sized battery comprising:

• a can for containing electrochemically active materials including at least positive and negative electrodes and an electrolyte, said can having an open end and a closed end;
• and
• a collector assembly positioned across the open end of said can, said collector assembly having a collector and a cover, the collector assembly defining a collector assembly volume of no greater than about 6.0 percent and at least 0.9 percent of the total volume of the battery.

An AAA sized battery comprising:

• a can for containing electrochemically active materials including at least positive and negative electrodes and an electrolyte, said can having an open end and a closed end;
• and
• a collector assembly positioned across the open end of said can, said collector assembly having a collector and a cover, the collector assembly defining a collector assembly volume of no grater than about 7.0 percent and at least 1.6 percent of the total volume of the battery.

A D sized battery comprising:

• a can for containing electrochemically active materials including at least positive and negative electrodes and an electrolyte, said can having an open end and a closed end;
• and
• a collector assembly positioned across the open end of said can, said collector assembly having a collector and a cover, the collector assembly defining a collector assembly volume of less than 2.5 cc and at least 0.78 cc.

A C sized battery comprising:

• a can for containing electrochemically active materials including at least positive and negative electrodes and an electrolyte, said can having an open end and a closed end;
• and
• a collector assembly positioned across the open end of said can, said collector assembly having a collector and a cover, the collector assembly defining a collector assembly volume of less than 1.7 cc and at least 0.63 cc.

An AA sized battery comprising:

• a can for containing electrochemically active materials including at least positive and negative electrodes and an electrolyte, said can having an open end and a closed end;
• and
• a collector assembly positioned across the open end of said can, said collector assembly having a collector and a cover, the collector assembly defining a collector assembly volume of no greater than about 0.50 cc and at least 0.07 cc.

An AAA sized battery comprising:

• a can for containing electrochemically active materials including at least positive and negative electrodes and an electrolyte, said can having an open end and a closed end;
• and
• a collector assembly positioned across the open end of said can, said collector assembly having a collector and a cover, the collector assembly defining a collector assembly volume of no greater than about 0.24 cc and at least 0.06 cc.