UPDATED. 2024-02-27 09:17 (화)
Daebo Magnetic supplies more EMFs to LG Chem
Daebo Magnetic supplies more EMFs to LG Chem
  • Stan Lee
  • 승인 2019.11.06 07:21
  • 댓글 0
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Filters used to stabilize yields

South Korea's LG Chem will be using Electro Magnetic Filters (EMF) for its Kobierzyce EV battery plant in Poland in a bid to stabilize yields, with the filters being supplied by local manufacturer Daebo Magnetic, according to industry sources on Nov. 5.

Less than 10 of the filters were supplied, mostly because only about 1 or 2 filters are needed per production line. At the Polish plant, LG Chem runs three production lines at Factory 1 and four more at Factory 2.

“LG Chem has seen its yield go up significantly by using EMFs,” said an industry watcher. “We expect the demand for the filters to go up due to their performances.”

EMFs are used to eliminate foreign substances to enhance purity and reduce the possibility of battery explosions. Since 2016, companies have switched to wet-type filters from dry-types. These filters have since been applied to battery cell production lines.

Daebo is the only company in Korea capable of producing equipment relevant to wet-type filters, which are about two times more expensive than dry-types.

Chinese battery makers CATL and BYD have also applied wet-type EMFs to their production lines for pilot tests.

Meanwhile, Daebo Magnetic was listed on the Korean stock market in November 2018. That year,the company posted 20.6 billion won of sales and an operating profit of 4.2 billion won This year, it is expected to record half-year revenues of 14.6 billion won.


The Elec is South Korea’s No.1 tech news platform.

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