In this section
@article{Yin:2019:10.1039/c9ta01155b,
author = {Yin, C and Liu, X and Wei, J and Tan, R and Zhou, J and Ouyang, M and Wang, H and Cooper, SJ and Wu, B and George, C and Wang, Q},
doi = {10.1039/c9ta01155b},
journal = {Journal of Materials Chemistry A},
pages = {8826--8831},
title = {“All-in-Gel” design for supercapacitors towards solid-state energy devices with thermal and mechanical compliance},
url = {http://dx.doi.org/10.1039/c9ta01155b},
volume = {7},
year = {2019}
}
TY - JOUR
AB - Ionogels are semi-solid, ion conductive and mechanically compliant materials that hold promise for flexible, shape-conformable and all-solid-state energy storage devices. However, identifying facile routes for manufacturing ionogels into devices with highly resilient electrode/electrolyte interfaces remains a challenge. Here we present a novel all-in-gel supercapacitor consisting of an ionogel composite electrolyte and bucky gel electrodes processed using a one-step method. Compared with the mechanical properties and ionic conductivities of pure ionogels, our composite ionogels offer enhanced self-recovery (retaining 78% of mechanical robustness after 300 cycles at 60% strain) and a high ionic conductivity of 8.7 mS cm−1, which is attributed to the robust amorphous polymer phase that enables facile permeation of ionic liquids, facilitating effective diffusion of charge carriers. We show that development of a supercapacitor with these gel electrodes and electrolytes significantly improves the interfacial contact between electrodes and electrolyte, yielding an area specific capacitance of 43 mF cm−2 at a current density of 1.0 mA cm−2. Additionally, through this all-in-gel design a supercapacitor can achieve a capacitance between 22–81 mF cm−2 over a wide operating temperature range of −40 °C to 100 °C at a current density of 0.2 mA cm−2.
AU - Yin,C
AU - Liu,X
AU - Wei,J
AU - Tan,R
AU - Zhou,J
AU - Ouyang,M
AU - Wang,H
AU - Cooper,SJ
AU - Wu,B
AU - George,C
AU - Wang,Q
DO - 10.1039/c9ta01155b
EP - 8831
PY - 2019///
SN - 2050-7488
SP - 8826
TI - “All-in-Gel” design for supercapacitors towards solid-state energy devices with thermal and mechanical compliance
T2 - Journal of Materials Chemistry A
UR - http://dx.doi.org/10.1039/c9ta01155b
UR - http://hdl.handle.net/10044/1/69153
VL - 7
ER -