Journal of Nanomaterials / 2013 / Article / Tab 2

Research Article

Effects of Carbon Nanotubes Acid Treated or Annealed and Manganese Nitrate Thermally Decomposed on Capacitive Characteristics of Electrochemical Capacitors

Table 2

Mn 2p3/2, Mn 3s, and O 1s of XPS for manganese oxide before and after potential cycling.

Sample
Mn 2p3/2Mn 3sBandO 1s
Eb, eVEb(1), eVEb(2), eV , eVEb, eVArea, %

Before CV641.483.188.35.2Mn–O–Mn529.1367.58
Mn–OH530.4924.86
H–O–H531.857.29

10 cycles641.783.488.65.2Mn–O–Mn529.1447.14
Mn–OH530.4424.19
H–O–H531.4328.67

100 cycles641.783.688.44.8Mn–O–Mn529.1347.62
Mn–OH530.1816.69
H–O–H531.3230.31

1000 cycles641.883.988.84.9Mn–O–Mn529.4229.99
Mn–OH530.6520.52
H–O–H531.649.49

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