Research Development on K-Ion Batteries

Li-ion batteries (LIBs), commercialized in 1991, have the highest energy density among practical secondary batteries and are widely utilized in electronics, electric vehicles, and even stationary energy storage systems. Along with the expansion of their demand and application, concern about the resources of Li and Co is growing. Therefore, secondary batteries composed of earth-abundant elements are desired to complement LIBs. In recent years, K-ion batteries (KIBs) have attracted significant attention as potential alternatives to LIBs. Previous studies have developed positive and negative electrode materials for KIBs and demonstrated several unique advantages of KIBs over LIBs and Na-ion batteries (NIBs).…

• MO
  Ministry of Education, Culture, Sports, Science and Technology

  Awards: ESICB (JPMXP0112101003), A-STEP program (JPMJTS1611), CONCERT-Japan program (JPMJSC17C1)
• JS
  Japan Society for the Promotion of Science

  Awards: JP18K14327, JP16H04225, JP16K14103