Bing-xu Chen, Jian-ping Peng*, Yao-wu Wang and Yue-zhong Di Penetration behavior of electrolyte into graphite cathode in NaF-KF-LiF-AlF3 system with low cryolite ratios Transactions of Nonferrous Metals Society of China 2022, 32(8): 2727-2735 SCI Q1