Battery module for an electrically-driven aircraft, method for manufacturing a battery module and electrically-driven aircraft powered by a battery module

A method for manufacturing a battery module, the method comprising:

• arranging a heat absorbing member such that the heat absorbing member surrounds partly or encloses each of a plurality of cell tubes and extends along an entire length of an elongated surface of the plurality of cell tubes, the plurality of cell tubes being configured to house a plurality of battery cells, wherein the heat absorbing member comprises a shell enclosing heat absorbing material;
• forming an assembly comprising the heat absorbing member and the plurality of cell tubes;
• enclosing the assembly within the housing;
• and
• arranging a first plate between one end of the plurality of cell tubes and the housing, the first plate having a lower surface and an upper surface, the upper surface being arranged to face away from the one end of the plurality of cell tubes, the housing being configured to allow an air flow to cool the plurality of cell tubes and the heat absorbing member, such that the air flow through the housing does not contact the upper surface of the first plate,
• wherein the first plate has a plurality of openings and a plurality of vent holes and is configured to support each of the plurality of cell tubes at one end, the first plate being configured to electrically connect to one pole of at least one battery cell of the plurality of battery cells via a wire bonding.

A battery module for an electrically-driven aircraft, the battery module comprising:

• a housing;
• a plurality of cell tubes configured to house a plurality of battery cells, each of the plurality of cell tubes having an elongated surface and being positioned in the housing spaced apart from other cell tubes of the plurality of cell tubes;
• and
• a heat absorbing member comprising a heat absorbing material and being arranged between at least two neighboring cell tubes, the heat absorbing material being configured to undergo a phase transition from an initial state of matter into a final state of matter when at least one of the plurality of cell tubes satisfies a temperature threshold in case of an explosion or a fire in at least one of the plurality of battery cells,
• wherein each of the plurality of cell tubes is configured to house no more than one battery cell within the cell tube, and each of the plurality of cell tubes is open at a first end of the cell tube to allow access to a cathode of one battery cell within the cell tube and open at a second end of the cell tube to allow access to an anode of one battery cell within the cell tube.