Ge, M. Furuta, F. Gruber, T. Hall, T.D. Kaufman, J.J. Liepe, M. Porter, R.D. Radhakrishnan, R. Snyder, S.T. Taylor, E.J. JACoW Publishing Geneva, Switzerland 2226-0366 978-3-95450-194-6 10.18429/JACoW-LINAC2018-TUPO059 English 473-475 TUPO059 cavity SRF niobium cathode radio-frequency Contribution to a conference proceedings 2019 2019-01 https://doi.org/10.18429/JACoW-LINAC2018-TUPO059 http://jacow.org/linac2018/papers/tupo059.pdf Acid free electropolishing would be safer to use and friendlier to the environment. A collaboration, sup-ported by the DOE SBIR Phase-II program, between Faraday Technology Inc. and Cornell University focused on salt-based bipolar electropolishing (BEP). In this paper, we present the latest salt-based BEP results. The superconducting performance of a single-cell 1.3GHz cavity has been carefully analyzed, showing that salt-based BEP is promising, but still has large room for improvement.