V2EX power-to-gas

Power-to-gas

释义 Definition

“Power-to-gas”(简称 P2G)指“电转气”技术:把电力(常见为可再生电力的富余电)通过电解制氢(hydrogen),并可进一步与二氧化碳反应生成合成甲烷(methane),从而以气体燃料形式储存与输送能量,用于供热、发电、工业或交通等。(也常被视为“Power-to-X(电转多种能源/产品)”的一种。)

发音 Pronunciation (IPA)

/par t s/

例句 Examples

Power-to-gas can store surplus wind power as hydrogen.
电转气可以把多余的风电以氢气的形式储存起来。

By integrating power-to-gas with the natural gas grid, the country aims to balance seasonal demand and reduce carbon emissions.
通过将电转气与天然气管网结合,该国希望平衡季节性需求并降低碳排放。

词源 Etymology

该词为现代能源工程领域的复合构词:**power-to-**(“电转为……”的模式,来自更广义的 power-to-X 概念)+ gas(气体燃料)。它兴起于可再生能源大规模并网之后,用来描述把电能转化为可长期储存、易运输的气体能量载体(尤其是氢气与合成甲烷)的技术路线。

相关词 Related Words

文献与作品 Literary / Notable Works

  • The Future of Hydrogen(International Energy Agency, IEA):讨论氢能产业链与电解制氢等路径,常涉及P2G作为储能与脱碳方案。
  • Hydrogen Roadmap Europe(Fuel Cells and Hydrogen Joint Undertaking / Hydrogen Europe):在欧洲能源系统转型语境下多次引用P2G。
  • Global Hydrogen Review(IEA):综述全球氢能发展与政策,P2G常作为“电氢气网”耦合的重要应用出现。
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