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Table 1 SiNWs/SiNWs micro-ultracapacitors surface capacitances obtained from the galvanostatic charge/discharge (Formula 2) at 5 and 10 μA cm −2

From: Micro-ultracapacitors with highly doped silicon nanowires electrodes

SiNWs length (μm)

j = 5 μA cm−2

j = 10 μA cm−2

C (μF cm−2)

C (i μm)/C (5 μm)

C (μF cm−2)

C (i μm)/C (5 μm)

5

3.6

 

3.5

 

10

7.2

2.0

6.7

1.9

20

9.7

2.7

9.5

2.7

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