Refrigerator

A refrigerator, comprising:

• a freezer space that defines a storage space;
• a deep-freezing portion disposed in the freezer space and defining a deep-freeze space that is partitioned from the storage space;
• a thermoelectric element module comprising (i) a thermoelectric module that has a heat absorbing surface and (ii) a heating surface, wherein the thermoelectric element module is configured to generate cold air;
• a fan facing the heat absorbing surface of the thermoelectric module and configured to introduce the cold air into the deep-freezing portion;
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• an accommodator that accommodates the fan, the accommodator protruding from an inner surface of the freezer space,
• wherein the deep-freezing portion comprises:
• a housing that has an opening at a front surface thereof and an opening at a rear surface thereof to receive the accommodator, and defines an inner space of the deep-freezing portion and
• a door configured to open and close the front surface of the housing,
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• wherein the accommodator comprises a guide disposed at one side of the accommodator and configured to guide flow of the cold air,
• wherein the housing comprises a flow path defined at a portion of an inner surface of the housing and configured to flow cold air introduced into the deep-freezing portion by the fan, and
• wherein the flow path comprises a step at the inner surface of the housing.