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Korean ETRI Develops Non-Explosive Hybrid Electrolytes for EV Batteries

etri electrolytes ev batteries

Korean ETRI develops non-explosive hybrid electrolytes for EV batteries.

South Korea’s state-run Electronics and Telecommunications Research Institute it has developed hybrid electrolytes for lithium-ion batteries that are free from explosions.

Lithium-ion batteries are charged and discharged when lithium ions go back and forth between the positive side and the negative side. Lithium-ion batteries are filled with liquid called electrolytes, which help the ions travel.

As liquid electrolytes are flammable, efforts have been made to develop solid electrolytes. However, due to high resistance, electrolytes can’t travel properly through solid electrolytes.

ETRI solved the conundrum by developing hybrid electrolytes mixed with organic matter as flexible as liquid and inorganic compound as hard as solid. The newly developed electrolytes help lithium ions travel as twice as better and are three times more efficient than liquid electrolytes, ETRI said.

ETRI official said.

Inorganic compound naturally forms a layer that resists to lithium ions.

“ETRI utilized a semiconductor technology called dry etching, which removes the layer without damaging the electrolytes.”

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The Electronics and Telecommunications Research Institute (Korean: 한국전자통신연구원; Hanja: 韓國電子通信硏究院) is a Korean government-funded research institution in Daedeok Science Town in Daejeon, Republic of Korea.

ETRI develops non-explosive hybrid electrolytes for EV batteries, May 17, 2021

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