Semantic Approach for Evaluation of Energy Storage Technologies under Fuzzy Environment

Table 14

Overall Ranking of Energy storage technologies.

Alternatives	Overall priority weights of main criteria						Overall priority weights of alternatives	Normalized priority weights of alternatives	Overall ranking of alternatives
	Energy density	Life cycle	Cycle efficiency	Investment level	Suitability to climatic conditions	Space required
	0.077604	0.152115	0.294208	0.068201	0.368441	0.039431
	Priority weights of alternatives
	w.r.t energy density	w.r.t life cycle	w.r.t cycle efficiency	w.r.t investment level	w.r.t suitability to climatic conditions	w.r.t space required
Electrochemical storage	1.0047	1.0341	1	0.9039	0.9914	0.9996	0.995813	0.201454997	2
Electrical storage	0.9333	1.0000	1.0063	1.0219	0.9377	0.9963	0.975071	0.197258848	5
Magnetic storage	1.0000	1.0684	0.9857	1.0000	1.0000	1.0000	1.006197	0.203555701	1
Mechanical storage	0.9721	0.9839	1.0000	0.9818	0.9636	0.9631	0.979278	0.198109933	4
Chemical storage	1.0050	0.9817	0.9857	0.9712	0.9881	0.9923	0.986745	0.199620522	3