What is the Laplace inverse of s²+1/s²(s²-4s-9)

Adesina Sherif Adesola 2022-08-16
  1. What is the Laplace inverse of s²+1/s²(s²-4s-9)
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A bipolar alkaline water electrolyzer stack module comprises 160 electrolytic cells that have an effective cell area of 2m2. At nominal operation, the current density for a single cell of the electrolyzer stack is 0.40 Acm2. The nominal operating temperature of the water electrolyzer stack is 70 C and pressure 1 bar. The voltage over a single electrolytic cell is 1.96 V at nominal load and 1.78 V at 50% of nominal load. The Faraday efficiency of the water electrolyzer stack is 95% at nominal current density, but at 50% of nominal load, the Faraday efficiency decreases to 80%.
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