“10X faster charging speed”...LG Energy Solution develops new all-solid-state battery technology

 A technology has been developed that can increase the charging speed of all-solid-state batteries, the next generation of batteries, by 10 times and improve their safety.


Professor Shirley Meng explains how improving the texture of the metals used in batteries can significantly improve performance [Source=LG Energy Solutions].

LG Energy Solutions announced today that a paper on 'The effect of crystal growth orientation (texture) of metals on battery charging speed and safety', researched with professor Shirley Meng of the University of Chicago, a world-renowned expert in all-solid-state battery research, has been published in the prestigious energy journal Joule.

LG Energy Solutions has been conducting innovative research on all-solid-state battery technology with the Frontier Research Lab (FRL) research team at the University of Chicago and UC San Diego (UCSD), led by prof. Shirley Meng.

By introducing a thin layer of silicon into an all-solid-state battery, Shirley Meng has developed a technique to control the crystal growth direction of lithium metal to induce uniform electrodeposition (the attachment of ions in an electrolyte to the surface of an electrode by an electric field). The company said the technology can improve the charging speed of all-solid-state batteries by about 10 times or more and significantly increase the safety of batteries.

LG Energy Solutions expects this research to speed up the development of cathode-free all-solid-state batteries. A cathode-less all-solid-state battery is an all-solid-state battery that removes the cathode material from the existing cathode and utilizes the lithium ions that migrate from the anode during charging by reducing them to lithium metal at the cathode. This is considered a revolutionary technology that can reduce the weight and shrink the volume of the battery while maximizing energy density.

“By analyzing the effect of the crystal growth direction of the metal on the lithium metal electrodeposition and controlling the crystal growth of the lithium metal by introducing a thin layer of silicon, the research team found that the charging speed of the all-solid-state battery was improved by about 10 times,” said the team.

“As the demand for electric vehicles and ESS is increasing, it is important to combine our manufacturing expertise with innovative research collaborations with universities to develop next-generation battery technology,” said an official from LG Energy Solution. ”Through continuous technology development and collaboration, we will increase customer value and position ourselves as a leader in the battery market.”

Meanwhile, LG Energy Solutions is actively investing in R&D to develop next-generation battery technologies, including all-solid-state batteries. It has established a joint research center, FRL, with leading domestic and foreign universities and institutions to study intensive R&D issues related to next-generation batteries and to preemptively secure the source technology for next-generation batteries.


Source: EBN News Center (Feb. 12, 2025)



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