能源和环境是人类社会可持续发展涉及的最主要问题。全球80%的能量需求来

能源和环境是人类社会可持续发展涉及的最主要问题。全球80%的能量需求来源于化石燃料，这最终必将导致化石燃料的枯竭，而其使用也将导致严重的环境污染。从化石燃料逐步转向利用可持续发展无污染的非化石能源是发展的必然趋势。氢是理想的清洁能源之一也是重要的化工原料，受到世界各国广泛的重视。电解水制氢是实现工业化、廉价制备氢气的重要手段，并引起广泛的关注。水的电解可以分为两个半反应：析氢反应（HER）和析氧反应（OER）。析氢反应中存在着较高的过电位，使得电解水制氢需要消耗大量的电能。因此，开发高活性、高稳定性的催化剂具有重要意义。贵金属铂是最有效的阴极析氢催化剂，由于其高的价格、低的存储量限制了其大规模应用。因此，开发高含量、低价格的析氢反应电催化剂具有重要意义。本论文主要研究了铁类化合物的制备及电化学析氢方面的应用

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结果 (英语) 1: [复制]

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Energy and environment are the most important issues involved in the sustainable development of human society. 80% of the global energy demand comes from fossil fuels, which will eventually lead to the depletion of fossil fuels, and its use will also cause serious environmental pollution. The gradual shift from fossil fuels to the use of sustainable non-polluting non-fossil energy is an inevitable trend of development. Hydrogen is one of the ideal clean energy sources and also an important chemical raw material, which has received extensive attention from all over the world. Hydrogen production by electrolysis of water is an important means to realize industrialization and cheap production of hydrogen, and has attracted widespread attention. The electrolysis of water can be divided into two half reactions: hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). There is a high overpotential in the hydrogen evolution reaction, which makes the electrolysis of water to produce hydrogen requires a large amount of electricity. Therefore, it is of great significance to develop a catalyst with high activity and high stability. The precious metal platinum is the most effective cathode hydrogen evolution catalyst, and its large-scale application is limited due to its high price and low storage capacity. Therefore, it is of great significance to develop high-content and low-cost electrocatalysts for hydrogen evolution reactions. This thesis mainly studies the preparation of iron compounds and the application of electrochemical hydrogen evolution

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结果 (英语) 2:[复制]

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Energy and the environment are the most important issues involved in the sustainable development of human society. Eighty percent of the world's energy needs come from fossil fuels, which will eventually lead to the depletion of fossil fuels, and their use will lead to serious environmental pollution. The gradual shift from fossil fuels to the use of sustainable and non-polluting non-polluting non-fossil energy is an inevitable trend of development. Hydrogen is one of the ideal clean energy and an important chemical raw material, which has been widely paid attention to by all countries in the world. Electrolysed hydro-hydrogen is an important means to realize industrialization and prepare hydrogen cheaply, and has attracted wide attention. The electrolysis of water can be divided into two semi-reactions: the hydrogen analysis reaction (HER) and the oxygen reaction (OER). There is a high over-possibility in the hydrogen reaction, which makes electrolysis water hydrogen need to consume a lot of electricity. Therefore, it is important to develop highly active and stable catalysts. Platinum, the precious metal, is the most effective cathode hydrogen catalyst, limiting its large-scale application due to its high price and low storage capacity. Therefore, it is important to develop high-content, low-price hydrogen reaction catalyst. This paper mainly studies the preparation of iron compounds and the application of electrochemical hydrogen analysis

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结果 (英语) 3:[复制]

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Energy and environment are the most important issues in the sustainable development of human society. 80% of the global energy demand comes from fossil fuels, which will eventually lead to the depletion of fossil fuels, and its use will also lead to serious environmental pollution. It is an inevitable trend to shift from fossil fuel to non fossil energy which is sustainable and pollution-free. Hydrogen is one of the ideal clean energy sources, and it is also an important chemical raw material. Hydrogen production from electrolyzed water is an important means to realize industrialization and low-cost production of hydrogen, which has attracted wide attention. Water electrolysis can be divided into two half reactions: hydrogen evolution reaction (her) and oxygen evolution reaction (OER). There is a high overpotential in hydrogen evolution reaction, which requires a lot of electric energy to produce hydrogen from electrolytic water. Therefore, it is of great significance to develop catalysts with high activity and high stability. Platinum is the most effective cathode catalyst for hydrogen evolution. Its high price and low storage limit its large-scale application. Therefore, it is of great significance to develop high content and low price electrocatalysts for hydrogen evolution. In this paper, the preparation of iron compounds and the application of electrochemical hydrogen evolution were studied

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