© SK Innovation Business | August 20, 2020
SK Innovation aims to open next-gen battery era together with John Goodenough
SK innovation says that the company will develop next-generation battery technology with together with the 2019 Nobel laureate in chemistry, Professor John Goodenough, or otherwise know as “the father of the lithium-ion battery.”
Goodenough and Dr. Hadi Khani at The University of Texas at Austin aim to develop unique gel-polymer electrolyte for a lithium metal battery with the goal of providing higher energy density and better safety at a competitive cost, a press release reads. The lithium-ion battery is considered at this time to be the most effective system for electric vehicles. However, it has limitations for increasing its energy density, which is necessary to extend the driving ranges of EVs between charges as well as create smaller, lighter batteries. SK innovation points out that with current lithium-ion chemistry, it is not likely to overcome 800 Wh/L energy density. To deliver a battery with 1,000 Wh/L energy density, a lithium metal anode and solid-state electrolyte is viewed as a promising solution. Despite these merits, there are technology hurdles to overcome to realize an all-solid lithium-metal battery. A critical hurdle is dendrite growth, tiny needle-like projections that can create issues with the battery. These growths on the surface of the lithium metal can lead to energy loss and malfunctions, causing catastrophic failure of the battery and even safety hazards. To overcome this hurdle and deliver a next-generation battery to market, SK innovation along with Goodenough and Khani plan to develop a new gel-polymer electrolyte system which will evenly transport lithium-ion while filtering undesired ions from traveling and ultimately suppress dendrite growth. The goal is to develop a microporous polymer matrix with weakly- coordinating-anion system that can be applied to larger, more powerful cells. "Together with SK innovation, I hope we can open the next-generation battery era," says Goodenough in the press release.
InnovationLab acquires flexible printed battery technology from Evonik German printed electronics specialist, InnovationLab, has acquired the TAeTTOOz printable battery technology from Evonik.
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