This could be a breakthrough for high density storage of hydrogen in applications where storage density is more important than the cost of hydrogen. Examples include electricity-powered air travel and clean backup power supply for data centers. Researchers are reporting an efficient method of decomposing ammonia into separate streams of very pure hydrogen and nitrogen. It's an electrolytic process that is relatively compact and runs at moderate temperatures. Key to the process is a proton-conducting solid acid electrolyte membrane. The article and the journal paper that it references don't address commercialization. My guess is that the main issue for commercialization will be stability and lifetime of the membrane.
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