Samsung SDI Focuses On Commercializing All-Solid-State Lithium Battery

Samsung SDI is putting all of its abilities in developing products by utilizing all-solid-state battery technology that is considered as a next lithium secondary battery.

At ‘Inter-Battery 2015’ even that was held on the 20th, President Cho Nam Sung of Samsung SDI told reporters that Samsung SDI had finished developing all-solid-state battery that makes lithium-ion battery’s electrolyte into a solid and is in a process of discussing with its customers about prototypes. Considering the fact that it usually tests products and mass-produces them after securing customers, this indicates that Samsung SDI had started on commercializing products.

Current lithium-ion batteries’ cathode and anode are separated by a separation film. However when this separation film gets damaged due to an impact, heat occurs between cathode and anode. When this heat persists, electrolytes turn into gas and this can lead to inflation or accidents such as fire and others.

To prevent against these accidents, all-solid-state batteries are developed so that they can replace liquid electrolytes and a separation film with solid electrolytes. Because it is a solid, it can prevent a contact between a cathode and an anode and it remains that way even when solid electrolytes are damaged unlike liquid electrolytes. Not only South Korea, but Chinese and Japanese businesses are currently working to develop all-solid-state batteries.

“Although we are currently discussing with variety of customers, it will still take long period of time. From the process of discussing with our customers, we need to increase a degree of completion in performance, standard and others.” said President Cho.

In 2013, Samsung SDI once had strengthened small-battery R&D group to develop all-solid-state batteries.

Staff Reporter Park, Taejoon | [email protected]