Samsung Electronics Co., Ltd.

Ryo Iwamuro

Kenji Takeuchi

Kenichi Nagayama

Ryosuke Kamitani

Tomokazu Fukuzaki

Nagahisa Sato

Described is an adsorbent, a vacuum heat insulating material having the same and a refrigerator, which are capable of adsorbing a target material in a reduced pressure environment. A refrigerator includes an outer casing forming an exterior, an inner casing provided inside the outer casing and forming a storage chamber and a vacuum heat insulating material positioned between the outer casing and the inner casing, and including an adsorbent that adsorbs a heat transfer medium. The adsorbent includes a first adsorption component provided to adsorb oxygen, and including a transition metal oxide having an oxygen deficiency structure, and a second adsorption component provided to adsorb moisture.

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Yokohama, Japan

Ryo Iwamuro