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Table 1 R s , R sf , and R ct calculated from Nyquist plots for the MnO 2 materials

From: MnO2 prepared by hydrothermal method and electrochemical performance as anode for lithium-ion battery

  Rs(Ω cm2) Rsf(Ω cm2) Rct(Ω cm2)
a 8.05 121.40 146.90
b 7.12 94.66 43.64
  1. a, caddice-clew-like MnO2 sample; b, urchin-like MnO2 sample.