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Better than platinum? Fuel cells energized by enzymes

机译:比铂金更好?酶激发燃料电池

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摘要

Dihydrogen (H_2) gas has the potential to be a limitless source of clean energy if simple and efficient methods of production and utilization can be developed. In that regard, using H_2 to store electrical energy by means of an electrochemical cell and returning that energy by means of a fuel cell would be among the cleanest and most efficient energy methodologies. This electrochemical apparatus needs to employ robust catalysts for proton reduction and dihydro-gen oxidation. In a nonbiological setting, these processes are most readily accomplished at a platinum electrode. Unfortunately, platinum is resource-limited, expensive, and irreversibly inactivated by common trace impurities in H_2 gas, such as H_2S and CO.
机译:如果可以开发出简单有效的生产和利用方法,二氢(H_2)气体有可能成为清洁能源的无限来源。在这方面,使用H_2通过电化学电池存储电能并通过燃料电池返回电能将是最清洁,最有效的能源方法之一。该电化学装置需要使用坚固的催化剂来进行质子还原和二氢氧化。在非生物环境中,这些过程最容易在铂电极上完成。不幸的是,铂是资源有限的,昂贵的,并且被H_2气体中的常见痕量杂质(例如H_2S和CO)不可逆地灭活。

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