Ding , JieJi , Xiang and Xu , Ziheng. (2025). Convergence Analysis on a Second-Order, Positive, and Unconditional Energy Dissipative Scheme for the Poisson-Nernst-Planck Equations. Numerical Mathematics: Theory, Methods and Applications. 18 (3). 703-732. doi:10.4208/nmtma.OA-2025-0002