Table 1 Performance of capacitors.

From: An aqueous electrolyte of the widest potential window and its superior capability for capacitors

Figures

Operation Voltage (V)

Negative electrode

Positive electrode

Current density (mA cm−2)

Separator

Energy density (W h kg−1)

Power Density (W kg−1)

3a

3.2

GA

GA

15

CEM

0.45

205

3b

3.0

20% AC

20% AC

15

CEM

8.3

212

3c

3.0

20% AC

20% AC

15

MF

7.7

175

3d

3.0

20% AC

20% AC

15

FP

7.3

206

3e

3.0

40% AC

40% AC

10

CEM

18.7

200

4-2(a)

3.2

30% Fe2O3

GA

15

FP

18.3

340

4-2(b)

3.2

30% Fe2O3

30% Fe2O3

15

FP

28.7

327

4-2(c)

3.2

30% Fe3O4

GA

20

FP

19.6

336

4-2(d)

3.2

30% Fe3O4

30% Fe3O4

15

FP

11.2

276

4-2(e)

3.2

30% V2O3

GA

10

FP

20.1

198

4-2(f)

3.2

30% V2O5

GA

15

FP

27.8

252

4-2(g)

3.2

20% AC

30% MnO2

15

FP

16.9

303

4-2(h)

3.2

30% Fe3O4

30% MnO2

10

FP

24.1

350