Wei, Qiulong, Qidong Li, Yalong Jiang, Yunlong Zhao, Shuangshuang Tan, Jun Dong, Liqiang Mai, and Dong‑Liang Peng. “High-Energy and High-Power Pseudocapacitor–Battery Hybrid Sodium-Ion Capacitor With Na+ Intercalation Pseudocapacitance Anode”. Nano-Micro Letters 13 (January 8, 2021): 55. Accessed April 19, 2024. https://www.nmlett.org/index.php/nml/article/view/819.