Pump thermal energy storage

What is pumped thermal energy storage (PTEs)?

Pumped Thermal Electricity Storage or Pumped Heat Energy Storage is the last in-developing storage technology suitable for large-scale ES applications. PTES is based on a high temperature heat pump cycle, which transforms the off-peak electricity into thermal energy and stores it inside two man-made thermally isolated vessels: one hot and one cold.

How does a pumped thermal energy storage system work?

In 2010, Desrues et al. were the first to present an investigation on a pumped thermal energy storage system for large scale electric applications based on Brayton cycle. The system works as a high temperature heat pump cycle during charging phase. It converts electricity into thermal energy and stores it inside two large man-made tanks.

Can pumped thermal energy storage be used in large scale electric applications?

Brayton PTES systems In 2010, Desrues et al. were the first to present an investigation on a pumped thermal energy storage system for large scale electric applications based on Brayton cycle. The system works as a high temperature heat pump cycle during charging phase.

How much does pumped thermal energy storage cost?

Five pumped thermal energy storage systems were simulated, compared and analyzed. Economic, energy and exergy analyses were carried out for the five systems. The minimum value of the levelized cost of storage was 0.4413 $/kWh. The maximum value of the round-trip efficiency was 31.15%.

Is pumped thermal energy storage a viable alternative to PHS?

In this scenario, Pumped Thermal Electricity Storage or Pumped Heat Energy Storage constitutes a valid and really promising alternative to PHS, CAES, FBs, GES, LAES and Hydrogen storage.

What is thermal-integrated pumped thermal electricity storage (Ti-PTEs)?

Therefore, Thermal-integrated pumped thermal electricity storage (TI-PTES) is a promising energy storage technology and could play a crucial role in peaking carbon dioxide emission and carbon neutrality.