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This research looks at ways of tailoring and improving the stiffness ofpolypyrrole hydrogels for use as flexible supercapacitor electrodes.Molecules providing additional cross-linking between polypyrrole chains are added post-polymerisation but before gelation,and are found to increase gel stiffness by up to 600%,with the degree of change dependent on reactant type and proportion.It was also found that addition of phytic acid led to an increase in pseudocapacitive behaviour of the hydrogel,and thus a maximum specific capacitance of 217.07 F·g-1 could be achieved.This is an increase of 140% compared to pristine polypyrrole hydrogels produced by this method.