Ceramics and thermal energy storage

What materials are used for thermal storage ceramics?

Thermal storage ceramics were successfully prepared using red mud, copper slag and high iron copper slag as main materials. Relationships among phase composition, microstructure and the properties of the material were discussed. The conclusions are as follows:

What is the energy storage performance of ceramics?

In this study, we fabricated 0.85K0.5Na0.5NbO3-0.15Sr0.7Nd0.2ZrO3 ceramics with an outstanding energy storage performance (Wrec ~ 7 J cm−3, η ~ 92% at 500 kV cm−1; Wrec ~ 14 J cm−3, η ~ 89% at 760 kV cm−1).

Can bulk solid waste be used for thermal storage ceramics?

Based on the properties of the materials, it is feasible to use iron-containing bulk solid wastes like red mud and copper slag as raw materials for the low-cost preparation of thermal storage ceramics and achieve the large-scale utilization of these bulk solid wastes.

What are thermal storage ceramics (TSCs)?

Thermal storage ceramics (TSCs) are core components of thermal storage systems and there is a pressing need to make breakthroughs in terms of TSCs’ properties like specific heat capacity and thermal conductivity with especially low product cost [18, 19].

Can copper slag and red mud be converted into thermal storage ceramics?

Studies on their large-scale utilization have become urgent. Thermal storage ceramic is a kind of energy storage material with high-added value and a potentially large market. In this study, a method to convert copper slag and red mud into thermal storage ceramics through a ceramic fabrication process was proposed.

Are BNST ceramics a good energy storage material?

A study reported that BST ceramics exhibit a Wrec of 1.33 J/cm 3 and an efficiency (η) of 86.2% at 100 kV/cm . These findings suggest that Nb-doped BNSTceramics can achieve higher energy storage densities under similar or lower electric fields compared to BST ceramics, demonstrating superior energy storage performance.