Ultracapacitors, or to be technically correct, electronic double layer capacitors, form a subset of the general category of electrochemical energy storage devices, in particular, that of electrochemical capacitors (ECs). This chapter introduces electrochemical energy storage devices including electrochemical couples or batteries.

Inspec keywords: supercapacitors

Other keywords: ultracapacitors; electrochemical energy storage devices; electrochemical capacitors; electronic double layer capacitors

Subjects: Electrochemical conversion and storage