MOF Derived NiCo2S4 Nanosheets Arrays on Electrochemcially

Activated Carbon Cloth via an Etching/Ion Exchange Method

for Wearable High-performance Hybrid Supercapacitors

Wei Zhaoa,b†, Yiwei Zhenga,b†, Liang Cuia*, Dedong Jiab, Di Weia, Rongkun Zhenga, Colin

Barrowc, Wenrong Yangc, Jingquan Liua,b*

aCollege of Materials Science and Engineering, Linyi University, Linyi 276400,

Shandong, China.

bCollege of Materials Science and Engineering, Institute for Graphene Applied

Technology Innovation, Qingdao University, Qingdao 266071, Shandong, China.

cBiodeakin, School of Life and Environmental Sciences, Deakin University, Victoria-

3217, Australia

* Corresponding authors.

E-mail addresses: jliu@qdu.edu.cn (J. Liu), clzkzy@163.com (L. Cui).†These authors contributed equally to this work.

Figure S1. (a) Dynamic water contact angle measurement of electrochemical

activated carbon cloth. (b) SEM image of Co-MOF on electrochemical activated

carbon cloth and inset is the corresponding digital photo.

Figure S2. (a)Dynamic water contact angle measurement of commercial carbon cloth;

(b) SEM image of Co-MOF on commercial carbon cloth and inset is the

corresponding digital photo.

Figure S3. SEM images of Co-MoF/ACC etched by Ni(NO3)2 for 5 min (a,b) and 25

min (c,d).

Figure S4. XRD patterns of NiCo-LDH.

Figure S5. XRD patterns of Ni-Co-S/ACC obtained at different hydrothermal

temperatures.

Figure S6. SEM images of Ni-Co-S/ACC-120 (a-b) and Ni-Co-S/ACC-200 (c-d) at

different magnifications; (e) TEM image of Ni-Co-S nanosheet obtained at the

hydrothermal temperature of 200 oC.

Figure S7. Plot of the current density vs. square root of scan rate for Ni-Co-S/ACC-

160.

Figure S8. (a) CV curves obtained at different scan rates from 5 to 30 mV/s and (b)

GCD curves recorded at various current densities ranging from 1 to 30 A/g of Ni-Co-

S/ACC-120. (c) CV curves obtained at different scan rates from 5 to 50 mV/s and (d)

GCD curves recorded at various current densities ranging from 1 to 20 A/g of Ni-Co-

S/ACC-200.

Figure S9. (a) CV curves and (b) GCD curves of AC/ACC measured with three-

electrode system with 6 M KOH solution as electrolyte.

Figure S10. Specific capacitance and corresponding coulombic efficiency of the

assembled hybrid supercapacitor at current densities ranging from 1 to 10/g.