Given that the kinetics of ion insertion into and adsorption within micropores are two foundational phenomena in charging and discharging of electrochemical double layer capacitors, methods must be developed to characterize ions within micropores of charged porous materials. Here we will discuss the use of electrochemical small angle neutron scattering (ecSANS) to characterize ion insertion into micropores carbide derived carbons from imidazolium based-salts in acetonitrile using the Extended-Q SANS instrument at the Spallation Neutron Source (SNS-ORNL). Effects of ion insertion into micropores were also followed as a function of alkyl chain length of the imidazolium cation, e.g. EMIM vs HMIM (ethyl vs hexyl).