Production of methanol from electrochemical reduction of carbon dioxide is very attractive. However, achieving high Faradaic efficiency with high current density using facile prepared catalysts remains to be a challenge. Herein we report that copper selenide nanocatalysts have outstanding performance for electrochemical reduction of carbon dioxide to methanol, and the current density can be as high as 41.5 mA cm−2 with a Faradaic efficiency of 77.6% at a low overpotential of 285 mV. The copper and selenium in the catalysts cooperate very well for the formation of methanol. The current density is higher than those reported up to date with very high Faradaic efficiency for producing methanol. As far as we know, this is the first work for electrochemical reduction of carbon dioxide using copper selenide as the catalyst.
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机译：通过电化学还原二氧化碳生产甲醇非常有吸引力。然而，使用容易制备的催化剂以高电流密度实现高法拉第效率仍然是一个挑战。本文报道了硒化铜纳米催化剂具有出色的电化学还原二氧化碳生成甲醇的性能，电流密度高达41.5 mA cm −2 ，法拉第效率低至77.6％。 285 mV的超电势。催化剂中的铜和硒可以很好地协同形成甲醇。电流密度高于迄今为止报道的法拉第法生产甲醇的极高效率。据我们所知，这是使用硒化铜作为催化剂进行电化学还原二氧化碳的第一项工作。
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