Increasing the molecular weight of conjugated polyelectrolytes improves the electrochemical stability of their pseudocapacitor gels
Ricardo Javier Vázquez, Glenn Quek, Samantha R. McCuskey, Luana C. Llanes, Binu Kundukad, Xuehang Wang, Guillermo C. Bazan
Abstract
Increasing the molecular weight of conjugated polyelectrolytes leads to improvements in capacitance and cycling stability, to the point where it is possible to retain 76% of the original performance after 100 000 charge–discharge cycles.
Topics & Concepts
PseudocapacitorPolyelectrolyteConjugated systemCapacitanceElectrochemistryMaterials scienceChemical engineeringElectrolytePolymerNanotechnologyPolymer chemistryChemistrySupercapacitorElectrodeComposite materialPhysical chemistryEngineeringSupercapacitor Materials and FabricationConducting polymers and applicationsAdvanced Sensor and Energy Harvesting Materials