[問卦] 有沒有氫能很不切實際的八卦?
今天看到新聞說國家下一步要發展氫能地熱等等,讓我挺意外的。
以我以前待過的海運業界來講,能源一直是最重要的課題。
氫能就我所知四十年前石油危機就陸續有人研究,但到今天為止並沒有很重大的突破。
甚至可說在可見的未來都不會成為解決方案。
原因很簡單,氫密度太低了,為了在有限的空間儲存,只有超高壓或超低溫兩種選項。
兩種各有難點,高壓取決於材料強度,且壓縮本身就會消耗能量,低溫要維持也很耗能。
更別提氫一旦洩漏還極易爆,光是這個問題就難倒無數學者了。
打個比方,如果把你家四人座轎車換成氫能,後座全部都要用來裝氫才有辦法達到
燃油的續航力。
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