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Energy generation systems based on FC (fuel cell) are viewed as a viable substitute for those that simply rely on thermodynamic cycles in the power production field. In this paper, a 10-stack SOFC systems performance and optimization of that utilizing a newly improved optimizer known as the Fractional-order Kho-Kho optimization method will be presented in this paper. The multi-objective optimization approach is applied in the optimization phase to achieve the desired performance goals for the SOFC system. With the help of this technique, the desired system can be optimized in accordance with two objective functions: first, the electric power of the system can be maximized, while the equalized price of the electricity produced is minimized. Then, the electrical efficiency of the system can be maximized, while the equalized price of the electricity produced is minimized. The results show that, by reducing the coefficient and increasing efficiency, optimal solutions were achieved with higher electricity prices. It is observed that an increase in energy prices led to a 9% increase in productivity, whereas a 15% increase resulted in only a 2% increase. The findings demonstrate that multi-objective optimization may be used as a sophisticated analytical tool as well as a guiding element for decision-makers utilizing such a system. [ABSTRACT FROM AUTHOR]

Polycarbonate ether polyol synthesized by the copolymerization of carbon dioxide (CO 2 ) and epoxides is a promising technology for chemically fixing CO 2 and manufacturing degradable polymeric materials. However, research on the copolymerization of CO 2 and 1,2-butylene oxide (BO) to produce polycarbonate ether polyol is relatively scarce. Herein, we employed layered Zn-Co double metal cyanide (L-DMC) as a catalyst for the copolymerization of CO 2 and BO to obtain polycarbonate ether polyol. Under optimized conditions, the L-DMC-mediated copolymerization of CO 2 and BO displays excellent activity (catalytic productivity up to 1500 g polymer per g catalyst) and a high CO 2 incorporation fraction in polycarbonate ether polyol rate of 35.5%. In situ FTIR spectroscopy experiments showed a short induction period (10 min) in polymerization and competition between the synthesized polycarbonate ether polyol and butylene carbonate (BC). The properties of easy preparation, stability, and excellent catalytic performance of L-DMC suggest that it may be a promising candidate for large-scale production of CO 2 -BO-based polymers., Competing Interests: There are no conflicts to declare., (This journal is © The Royal Society of Chemistry.)