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Hydrogen storage(demonstration of superior performance point of

2023-07-19 14:45 作者:橡子京  | 我要投稿

        The basic structure of a PEMEC consists of two electrodes (cathode and anode) separated by a solid polymer electrolyte called a proton exchange membrane.

        In PEMEC, water is electrochemically split into hydrogen at the cathode and oxygen at the anode.

        we can through changing transport layers、electrocatalysts、electrolysis stack etc to improve the performance of the electrolyzer.  

         From the technical route, electrolysis of water is a green and flexible production technology for hydrogen production, with high product purity and relatively mature technology, and can use renewable energy sources such as photovoltaic power generation and wind power generation to achieve large-scale preparation of hydrogen.

刘玮,万燕鸣,熊亚林,陶志杰,朱艳兵.碳中和目标下电解水制氢关键技术及价格平准化分析[J].电工技术学报,2022,37(11):2888-2896.DOI:10.19595/j.cnki.1000-6753.tces.210658 .

        The main hydrogen production technologies are AlkalineElectrolyzer (AE), Proton Exchange Membrane Electrolyzer (PEME) and Solid Oxide Electrolyzer (SOE).

Grigoriev S, Fateev V, Bessarabov D, et al. Currentstatus, research trends, and challenges in waterelectrolysis science and technology[J]. InternationalJournal of Hydrogen Energy, 2020, 45(49): 26036-26058.

        Since the 1970s, water electrolysis technology with proton exchange membrane has been developed and has become the research focus of water electrolysis technology with its high efficiency of hydrogen production, high degree of equipment integration and environmental friendliness, etc. It has gradually realized the development from miniaturization to megawatt level.

       Hydrogen storage can be used as a demand response resource in the electricity market.

        In the power market, new energy hydrogen production is a power user, and new energy hydrogen production has high dynamic response rate and wide power regulation range, which can safely and reliably produce hydrogen by electrolysis under unstable power conditions.

        刘诗剑.能源转型背景下新能源制氢市场推广的关键问题研究[D].华北电力大学(北京),2021. 

         After electrification, the water molecules in the electrolyte combine with the electrons in the cathode region to form hydrogen gas and hydroxide ions, and the hydroxide ions(氢氧根离子) lose their electrons in the anode region to form oxygen gas and water.

        

conclusion use table

        Since the use of hydrogen storage devices for smoothing is our specialty, we can add a table comparing hydrogen storage with other energy storage devices.

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