Heat flow regulating cover for an electrical storage cell

A battery for use in a combustible atmosphere, comprising:

• a plurality of electrical energy storage cells, each cell being covered by a first layer of thermally conductive material that is shaped to conform to an outer surface of the electrical energy storage cell;
• and being covered by a second layer of thermally insulating material that is shaped to conform to an outer surface of the first layer;
• electrical connection leads;
• a protective device including a fusible link;
• and
• electrical interconnections that interconnect the plurality of electrical energy storage cells in a series circuit with the protective device and the electrical connection leads.

A process of covering an electrical energy storage cell which produces heat during a short circuit condition, comprising:

• covering an outer surface of an electrical energy storage cell with a first layer of thermally conductive material that conforms with the outer surface of the electrical energy storage cell;
• providing a second layer of thermally insulating material;
• and
• shaping the second layer to conform to an outer surface of the first layer of material.