Kimchi Fridge is widely used in Korea nowadays, it helps ferment fresh kimchi at the suitable temperature so that the seasonings can permeate thoroughly into the main kimchi ingredients. This helps preserve kimchi longer without its taste being spoiled.
Kimchi should be stored at a low temperature. Around 5 C is the suitable temperature to maintain the best taste of kimchi. Right after the kimchi is finished fermenting, it may be left at room temperature for one day, and then stored in the refrigerator for further fermentation.
Alternatively, it may be stored in a specialized kimchi refrigerator to keep the original taste, it is something that has become very popular in Korea recently.