Table 2 Relative elemental compositions of CNF/NaCo2O4-based composite nanofiber webs fabricated at different input compositions and heat-treatment temperatures of 600-900 °C.

From: Microstructure and Thermoelectric Characterization of Composite Nanofiber Webs Derived from Polyacrylonitrile and Sodium Cobalt Oxide Precursors

Sample code

Elemental composition (wt%)

C

N

O

Na

Co

TM0-700

86.50

11.32

2.18

—

—

TM15-600

52.11

7.23

10.69

9.02

20.95

TM15-700

44.78

10.45

13.63

9.71

21.42

TM15-800

69.85

13.95

4.95

1.84

9.41

TM15-900

75.55

15.21

5.75

1.85

2.64

TM30-600

49.88

8.18

12.15

9.25

20.54

TM30-700

49.05

9.03

12.00

6.82

23.11

TM30-800

70.35

10.96

2.25

1.97

14.47

TM30-900

85.71

5.81

5.17

1.02

2.28

TM45-600

50.24

7.58

11.15

10.12

20.91

TM45-700

49.24

11.81

9.02

9.82

20.11

TM45-800

67.90

9.78

8.73

3.16

10.44

TM45-900

70.67

15.11

7.02

3.66

3.54

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