电化学氢泵用于掺氢天然气氢气纯化与压缩研究进展

doi:10.19964/j.issn.1006-4990.2025-0017

Abstract

Abstract:

Hydrogen energy has become an important strategy for global energy transformation.To achieve large-scale，long-distance，and low-cost hydrogen energy transportation，the use of natural gas pipelines for hydrogen mixed transportation has the feasibility of large-scale application.However，the hydrogen content in hydrogen doped natural gas is usually low，and hydrogen needs to be separated from natural gas before application.Electrochemical hydrogen pump technology is a hydrogen purification and compression technology that uses electricity as the driving force，membrane as the proton conduction and gas barrier medium.It has high selectivity and hydrogen source adaptability，and can simultaneously achieve hydrogen purification and compression.It is an effective way to transport hydrogen and connect with application ends.The common methods for hydrogen separation and purification were compared，and the working principle，main functions，key components，and research progress of electrochemical hydrogen pumps were introduced.The research progress of the core component proton exchange membrane was analyzed，mainly including polymer proton exchange membrane and mixed matrix proton exchange membrane.The prospects and challenges of using electrochemical hydrogen pumps for hydrogen doped natural gas separation were discussed.

Key words: hydrogen blend natural gasseparation, separation, electrochemical hydrogen pump, membrane electrode, proton exchange membrane

CLC Number:

TQ122

YU Guangxin, ZHU Shiyi, ZHOU Minghao, WU Hong, CHEN Zan, JI Qinhong, JIANG Zhongyi. Research progress on electrochemical hydrogen pump technology for hydrogen purification and compression of hydrogen doped natural gas[J]. Inorganic Chemicals Industry, 2025, 57(12): 8-17.

Figures/Tables 5

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分离工艺	气体回收率/%	纯度要求/%	操作温度/℃	优点	缺点	分离纯度/％
低温精馏	80~95	20	213	连续分离多种组分	能耗高，预处理严格	90.000~99.000
变压吸附	60~95	50~90	20~30	分离纯度高，技术成熟	间歇操作，能耗较高	99.000~99.999
膜分离	85~95		25~500	能耗低，过程简单	处理能力较低，耐久性较低	90.000~99.999
电化学氢泵	85~99	1~99	20~80	分离纯度高；设备紧凑，无噪音	CO、H₂S等气体耐受性较差	99.999

National Inorganic Salts Information Center

Inorganic Acid-Base-Salt Committee of CIESC

Research progress on electrochemical hydrogen pump technology for hydrogen purification and compression of hydrogen doped natural gas

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