The electrochemical storage system involves the conversion of chemical energy to electrical energy in a chemical reaction involving energy release in the form of an electric current at a specified voltage and time. You might find these chapters and articles relevant to this topic.
Modern electrochemical energy storage devices include lithium-ion batteries, which are currently the most common secondary batteries used in EV storage systems. Other modern electrochemical energy storage devices include electrolyzers, primary and secondary batteries, fuel cells, supercapacitors, and other devices.
However, the authors believe that with the growth of renewable energy and intermittent energy sources, the concept of electrochemical energy storage can be extended to the electrochemical synthesis and production of fuels, chemicals, petrochemicals, etc. The vision of the approach is shown in Fig. 38.1 .
Electrochemical energy storage/conversion systems include batteries and ECs. Despite the difference in energy storage and conversion mechanisms of these systems, the common electrochemical feature is that the reactions occur at the phase boundary of the electrode/electrolyte interface near the two electrodes .
Electrochemical energy storage has been instrumental for the technological evolution of human societies in the 20th century and still plays an important role nowadays.
Traditional electrochemical energy storage devices, such as batteries, flow batteries, and fuel cells, are considered galvanic cells. The approach depicted in Fig. 38.1, electrosynthesis reactor, is defined as an electrolytic or electrolysis cell.