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firstly observed Teflon-supported Ru electrodes could selectively reduce CO 2 to CH 3OH with a low faradaic efficiency (FE) of 42%. Significant efforts towards selectively converting CO 2 into CH 3OH have been made since early 1983 over semiconductor materials (p-GaP and p-GaAs) with a low current density (<1 mA cm −2).

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However, the 6 e − process of CO 2 reduction to form CH 3OH over the full reaction is kinetically unfavorable. 16,17 The standard potential of CO 2 electroreduction to CH 3OH is only 0.016 V ( vs. 15 Besides, CH 3OH with high energy density can be stored as liquid under ambient conditions. 14 Moreover, the main product from noble metals is carbon monoxide (CO), which leads to the second pollution at the cost of CO 2 consumption.ĬH 3OH, as an ideal chemical, is an important intermediate of paint, plastics, and other common products. 5 Among them, Au, 6–9 Ag, 1,10,11 and Pd 12,13 have been explored comprehensively, while the expensive price limits the substantial application of noble metals in industry. Transition metals are commonly proposed in CO 2 reduction reaction (CO 2RR) because of their vacant orbits and active d electrons. 5 The complex products increase the challenges towards generating target product. As for the selectivity, in addition to the major side reaction hydrogen evolution reaction (HER), the direct electroreduction of CO 2 in aqueous solution is able to generate diversiform carbon-containing chemicals. 4,5 The high overpotential increases the consumption of energy and makes it difficult to achieve the sustainable transformation of CO 2. 1–3 However, the main defects of electroreduction CO 2 are the high overpotential required to drive the reaction, the low selectivity towards various products and the high cost of catalysts. Introduction Electrochemical reduction of CO 2 to carbon-containing fuels is a feasible process which is conducive to solving the serious environmental problems caused by excess CO 2 such as iceberg melting, sea level rise and coastal delta subsidence. The active sites are located at the interface between FeS 2 and NiS which can effectively suppress the side reaction hydrogen evolution reaction and facilitate the CO 2 reduction reaction. The high selectivity towards CO 2 electroreduction to CH 3OH may be attributed to the special ladder structure of the FeS 2/NiS nanocomposite. The FeS 2/NiS nanocomposite electrocatalyst exhibits a stable current density of 3.1 mA cm −2 over a 4 hour stability test.

In this work, we introduce a FeS 2/NiS nanocomposite electrocatalyst synthesized by traditional hydrothermal method, which selectively reduces CO 2 to CH 3OH with an unprecedented overpotential of 280 mV and a high faradaic efficiency up to 64% at the potential of −0.6 V vs.

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You need 100 points before you can redeem them for free gold.Electrochemical reduction of carbon dioxide (CO 2) to methanol (CH 3OH) catalyzed by transition metals has been proved feasible and effective in aqueous electrolytes.

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Depending on account and server, the reseller will contact you or we even give a giftcard code and you can exchange it by yourself in game gold or other services the big gold trader sites offers!

Get your free gold: Once you have earned 100 points on Free MMORPG Gold you can swap them to gold.

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You can also earn points by signing up to some trial offers, but we recommend you stick to the free surveys for now.ģ. Earning these points are FREE, and you just need to complete a few surveys to get enough points to claim your free gold. Earn points: To be able to offer our users FREE GOLD, you need to earn points. Register: The sign up process takes about 10 seconds, and we'll even give you 10 FREE BONUS POINTS when you register.Ģ. While MOST OFFERS ARE FREE, you will also find cashback shopping and paid/trial offers - a great way to get a deal on your online purchases!ġ. While you learn about new products, share information about yourself, or sign up for online services, you earn points. While you certainly won't get rich quick, but if you put in a bit of effort you can earn whatever you want! You can redeem points for any gold and services buyable online, the choice is yours. It's easy to spend 5 minutes before you login to Metin2 to earn some points for your free gold. Remember: We will try to make the best deals for our members, but the amount of yang CAN DIFFER from server to server! For new servers, like the turkish ones, that amount can be ATM alot smaller because the Yang are rare. Note: We can give ATM for most european servers 200 M Yang for 100 of our FUN POINTS.