Hydrogen is a versatile energy carrier that can be stored and transported in various forms, including compressed gas, liquid hydrogen, ammonia, methanol, and liquid organic hydrogen carriers (LOHCs). Each form has distinct advantages and energy requirements for conversion, transport, and reconversion. While compressed and liquid hydrogen offer high purity, ammonia and LOHCs provide better volumetric density for large-scale applications. Methanol is also a promising carrier but emits COâ‚‚ upon reforming, necessitating carbon management strategies for sustainable use.
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