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September 21, 2020

Samsung unveils new solid-state battery tech

PUBLISHED : March 10, 2020 - 16:40

UPDATED : March 10, 2020 - 16:40

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Samsung Advanced Institute of Technology said on March 10 unveiled its study on longer-lasting all-solid-state battery technology for the first time in Nature Energy, one of the world’s leading scientific journals.

All-solid-state batteries, utilizing solid electrolytes, support greater energy density allowing larger capacities, and are safer than current lithium-ion batteries using liquid electrolytes, according to the research arm of Samsung Electronics.

Yuichi Aihara, principal engineer from Samsung R&D Institute Japan, Lee Yong-gun, principal researcher and Im Dong-min, master from SAIT (SAIT)



The team focused on overcoming the dendrites problem -- needle-like crystals that can develop on the anode of a battery during charging and reduce battery’s lifespan and safety -- found in all-solid-state batteries.

The team, for the first time, incorporated a silver-carbon composite layer as the anode into a prototype pouch, enabling the battery to support a larger capacity and longer lifespan while enhancing safety.

The prototype pouch cell is expected to enable an electric vehicle to travel up to 800 kilometers on a single charge and feature a cycle life of over 1,000 charges, according to the institute.

“The latest research involves a core technology to innovatively expand electric vehicles’ driving distances,” said Im Dong-min, master at SAIT’s next-generation battery lab.

By Song Su-hyun/The Korea Herald (song@heraldcorp.com)

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