Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Nagahiro Saito and Satoshi Chiba and Gasidit Panomsuwan and Takahiro Ishizaki,Solution Plasma Synthesis of Nitrogen-Doped Carbon Nanoballs as Effective Metal-Free Electrocatalysts for Oxygen Reduction Reaction,MRS Proceedings,0272-9172,Springer Science and Business Media LLC,2014-01-01,1641,,,https://cir.nii.ac.jp/crid/1874242817803539456,https://doi.org/10.1557/opl.2014.319