. 2017 Feb 23;8:14559. doi: 10.1038/ncomms14559

Table 1. Summary findings of defects and electrochemistry in δ-MnO₂ electrodes.

Samples	AOS	[Mn³⁺] (%)	[Mn⁴⁺] (%)	[V_Mn] (%)	S.S.A. (m² g⁻¹)	C_p (F g⁻¹)	R_ct (Ω)	Na : Mn (fract.)
Reassembled MnO₂ - pH 2	3.24	76	24	26.5	120	306	3	0.28
Reassembled MnO₂ - pH 4	3.36	64	36	19.9	144	209	15	0.19
Protonated MnO₂	3.59	41	59	18.3	4.5	103	23	0.09

Comparison of defect structures and electrochemical supercapacitor properties of bulk protonated H_xMnO₂ and MnO₂ nanosheet assemblies.

Table 1. Summary findings of defects and electrochemistry in δ-MnO2 electrodes.