Recent advances on polypyrrole electroactuators

B Yan, Y Wu, L Guo - Polymers, 2017‏ - mdpi.com
Featuring controllable electrochemomechanical deformation and excellent biocompatibility,
polypyrrole electroactuators used as artificial muscles play a vital role in the design of …

Ultrafast dynamic pressure sensors based on graphene hybrid structure

S Liu, X Wu, D Zhang, C Guo, P Wang… - … applied materials & …, 2017‏ - ACS Publications
Mechanical flexible electronic skin has been focused on sensing various physical
parameters, such as pressure and temperature. The studies of material design and array …

Hardware and software development for isotonic strain and isometric stress measurements of linear ionic actuators

M Harjo, T Tamm, G Anbarjafari, R Kiefer - Polymers, 2019‏ - mdpi.com
An inseparable part of ionic actuator characterization is a set of adequate measurement
devices. Due to significant limitations of available commercial systems, in-house setups are …

Asymmetric fabric supercapacitor with a high areal energy density and excellent flexibility

Y Liang, W Weng, J Yang, L Liu, Y Zhang, L Yang… - RSC …, 2017‏ - pubs.rsc.org
Currently, there still remains a big challenge for flexible supercapacitors: low energy density.
According to the equation E=(1/2) CU2, here we realize a combination of high gravimetric …

Role of polyethylene oxide content in polypyrrole linear actuators

R Khadka, P Zhang, NT Nguyen, T Tamm… - Materials Today …, 2020‏ - Elsevier
Current research on conducting polymer composite actuators has been mainly focused on
achieving increased linear actuation with improved electrical, physical and chemical …

Electrochemical actuation of multiwall carbon nanotube fiber with embedded carbide-derived carbon particles

M Plaado, F Kaasik, R Valner, E Lust, R Saar, K Saal… - Carbon, 2015‏ - Elsevier
Novel multiwall carbon nanotube (MWCNT) fibers and carbide-derived carbon (CDC)
MWCNT composite fibers were prepared using dielectrophoresis method. Obtained fibers …

Polypyrrole linear actuation tuned by phosphotungstic acid

Z Zondaka, A Kesküla, T Tamm, R Kiefer - Sensors and Actuators B …, 2017‏ - Elsevier
Co-do** polypyrrole (PPy) with dodecylbenzenesulfonate and multicharged
phosphotungstate anions (PT) from the phosphotungstic acid (PTA) led to free-standing …

Dual function composite fibers of cellulose with activated carbon aerogel and carbide derived carbon

R Kiefer, F Elhi, L Puust… - Journal of Applied …, 2022‏ - Wiley Online Library
Polymers of natural origin, especially cellulose, have risen to the focus of smart materials,
and also energy storage materials' research as sustainable matrix alternatives. In this work …

Polypyrrole with Embedded Carbide-Derived Carbon with and without Phosphor Tungsten Acid: Linear Actuation and Energy Storage

Z Zondaka, QB Le, R Kiefer - Polymers, 2022‏ - mdpi.com
Researchers have focused on incorporating porous carbon particles such as carbon-derived
carbon (CDC) into polypyrrole (PPy), preferably on the surface, to achieve high-capacitive …

Ion‐selectivity of polypyrrole carbide‐derived carbon films in aqueous electrolytes

QB Le, Z Zondaka, NT Nguyen… - Journal of Applied …, 2023‏ - Wiley Online Library
In this work, we have combined polypyrrole (PPy) doped with dodecylbenzene sulfonate
(DBS−) and carbide‐derived carbon (CDC), forming PPyCDC (PPy/DBS‐CDC) composites …