Researchers develop a nitrogen-doped carbon material to boost lithium-sulfur battery charging speed and stability, achieving rapid cycles.
South Korea n researchers have developed an innovative nitrogen-doped porous carbon material to enhance the charging speed of lithium-sulfur batteries significantly.
Their method redirects the lithium sulfide formation to improve the battery’s performance, reducing electrode passivation. As a result, the Li-S battery charges and discharges quickly at 5C and retains 82 percent of its capacity after 1,000 cycles. However, commercialization has been hindered by challenges, such as poor sulfur utilization during rapid charging, which reduces capacity.
To overcome these challenges, the team developed a novel, highly graphitic, multiporous carbon material doped with nitrogen and applied it to the cathode of lithium-sulfur batteries.
Clean Energy Daegu Gyeongbuk Institute Of Science And Technolo Electric Vehicles EV Lithium Batteries Lithium Sulfide Lithium-Sulfur South Korea Sustainability
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