Structural transformation and electrochemical properties of a nanosized flower-like R-MnO2cathode in a sodium battery

• DOI: 10.1039/d1cp04047b
• Publication Date: 2021-11-23T08:01:48Z
• Authors: Kai Qiu; Chao Zhang; Mingxia Yan; Shouwang Zhao; Hongwei Fan; Shengli An; Xinping Qiu; Guixiao Jia
• Keywords: 9. Industry and infrastructure; 02 engineering and technology; 0210 nano-technology; 01 natural sciences; 7. Clean energy; 0104 chemical sciences

The difference of Fermi energy level makes the potential plateau of R-MnO2 turn into NaMnO2 lower than that of Na0.33MnO2 to NaMnO2. This explains our experimental result from the 1st–2nd voltage capacity profile of R-MnO2 in EC/PC electrolyte.