The Future of Solid-State Batteries: SK On Develops New Material for Higher Efficiency
South Korean EV battery manufacturer SK On has made significant strides in the development of solid-state batteries by creating a new material that greatly improves their efficiency. Working in collaboration with Dankook University, the company has filed patent applications for this innovative technology both domestically and internationally.
According to a report published in Advanced Functional Materials, the new battery component exhibits 70% higher lithium-ion conductivity compared to other batteries, resulting in faster charging times. The scientists involved estimate that this breakthrough will increase battery capacity by up to 25%, making recharging quicker and potentially improving the mileage of electric vehicles. Additionally, the new material may enhance the fire safety of these batteries.
This achievement was made possible by adjusting the levels of lithium lanthanum zirconium oxide, a chemical compound, within the battery. The research team also improved the battery’s stability when exposed to air, enhancing its charging efficiency.
A notable aspect of this development is its compatibility with various types of solid-state batteries, including the conventional nickel-cobalt-manganese cathodes, as well as newer innovations like lithium-sulfur batteries and lithium-air cells. The versatility of the new material can make it a highly competitive option in the growing EV marketplace.
Considering the exponential growth in demand for electric vehicles from 22,000 in 2011 to nearly 2 million in recent years, this advancement is poised to benefit all EV manufacturers.
While SK On is still in the prototyping and development phase of solid-state batteries, it aims to complete the prototyping of a model by 2026. Commercial batteries utilizing this improved technology are expected to hit the market by 2028. However, this development comes at a cost, with estimated expenses exceeding $352 billion for SK On, including the establishment of a pilot production facility at the Daejeon Sejong Research Institute in South Korea.
This innovation and investment demonstrate SK On’s commitment to advancing battery technology and meeting the growing demand for EVs in the coming years.
Sources:
– Advanced Functional Materials, report on SK On’s new battery component
– SK On executive vice president Choi Kyoung-hwan’s statement
– Research collaboration with Dankook University
– Estimated costs and production facility at the Daejeon Sejong Research Institute
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