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火星上制氧气?

2017-08-30 04:26:37   中国青年网

据国外媒体报道,美国宇航局代理局长罗伯特·莱特福特称,美国宇航局计划在火星2020任务中着陆一辆登陆车,利用火星大气层制造氧气,这项计划包括:将微生物带到火星表面,使用美国麻省理工学院研制的MOXIE设备,通过微生物制造氧气,并将这些氧气供给人类呼吸。

“MOXIE”是火星氧气原位资源利用实验的简称,是从世界各地研究小组提交的58份提案中挑选出来的,这一实验是一个反转燃料电池利用过程,需要从地球向火星运送微生物,例如细菌或者藻类。

在典型的燃料电池中,燃料与氧放在一起加热,制造出电能。然而,在这种反向燃料电池中,由一个单独机器产生的电能将与火星空气中的二氧化碳结合制造出氧气,这一过程叫做“固体氧化物电解”。

实验室实验已证实这是可能的,并且如果MOXIE设备被证实能够在火星表面正常运行,这样的系统之后会在更大的范围内引入,供给人类呼吸,以及燃料补给往返于两颗星球之间。

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