As per abroad media, on May 30th ,2018, Panasonic declare that it is planning on the R&D battery without Cobalt, considering the price of Cobalt has been increased a lot as the booming of electric vehicles. Battery business supervisor of Panasonic Kenji Tamura said 'We have been decreased the using volume of Cobalt in the past years, and wish to develop the battery without Cobalt in the near future. The R&D is under the way'.