Research Article

Semantic Approach for Evaluation of Energy Storage Technologies under Fuzzy Environment

Table 7

Pairwise comparison matrix and normalized weights for subcriteria.

w.r.t energy densityMass energy densityVolumetric densityNormalized weights
Mass energy density(1, 1, 1)(1/6, 1/5, 1/4)0.16858
Volumetric density(4, 5, 6)(1, 1, 1)0.83142

w.r.t life cyclesNo of charge discharge cyclesShelf lifeNormalized weights
No of charge discharge cycles(1, 1, 1)(2, 3, 4)0.74239
Shelf life(1/4, 1/3, 1/2)(1, 1, 1)0.25761

w.r.t cycle efficiencyo/p by i/pTime required for unit energy storageNormalized weights
o/p by i/p(1, 1, 1)(4, 5, 6)0.83142
Time required for unit energy storage(1/6, 1/5, 1/4)(1, 1, 1)0.16858

w.r.t investment levelCapitalTimeNormalized weights
Capital(1, 1, 1)(6, 7, 8)0.87424
Time(1/8, 1/7, 1/6)(1, 1, 1)0.12576

w.r.t suitability to climatic conditionsTemperature susceptibilityHumidity susceptibilityNormalized weights
Temperature susceptibility(1, 1, 1)(4, 5, 6)0.83142
Humidity susceptibility(1/6, 1/5, 1/4)(1, 1, 1)0.16858

w.r.t space requiredFloor areaVolume occupiedNormalized weights
Floor area(1, 1, 1)(1/8, 1/7, 1/6)0.12576
Volume occupied(6, 7, 8)(1, 1, 1)0.87424