公开(公告)号：US11820680B2

公开(公告)日：2023-11-21

申请号：US17186985

申请日：2021-02-26

Applicant: SIONTECH CO., LTD.

Inventor： Kyung Seok Kang ,  Kyu Hong Lee ,  Ho Il Lee ,  Bo Hyung Ryoo ,  Nam Soo Park ,  Kyung Han Lee

IPC: C02F1/461

CPC classification number: C02F1/46109 ,  C02F2201/4611 ,  C02F2201/4612 ,  C02F2201/4616

Abstract: The present disclosure provides an energy-saving technology using switching of current of an electrode terminal, which is applied to a capacitive deionization (CDI) water purification apparatus, and control of switching of the current. The water purification apparatus includes a case 110 having an inlet 113 formed in one side thereof and an outlet 115 formed in the opposite side thereof, a plurality of electrode plates 120 accommodated in the case and stacked on one another, and an electrode terminal 130 selectively and electrically connected to the plurality of electrode plates and configured to allow direct current to flow therethrough.