Cell module and manufacturing method for cell module

A cell module comprising:

• a cell stack comprising a plurality of cells and a plurality of separators alternately arranged, the plurality of cells being electrically connected to each other;
• a heat dissipating member extending along a direction in which the plurality of cells are arranged, and being thermally coupled to the plurality of cells;
• and
• an intervening layer arranged between the cell stack and the heat dissipating member, and configured to allow heat to propagate from the cell stack to the heat dissipating member, and to suppress a relative displacement between the cell stack and the heat dissipating member, wherein:
• the cell stack includes at least one recess on a bottom face over which the heat dissipating member is arranged,
• the at least one recess is defined by a bottom face of one separator and mutually facing faces of two adjacent cells of the plurality of cells, between which the one separator is interleaved,
• the at least one recess has corners defined by bottom face of the one separator and the mutually facing faces, and
• the at least one recess is filled with a portion of the intervening layer.