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A hybrid electro-thermochemical device for methane production from the air

Engineering and Technology

A hybrid electro-thermochemical device for methane production from the air

Y. Huang, D. Xu, et al.

This innovative paper unveils a hybrid electro-thermochemical device that directly converts methane from air by integrating direct air capture and hydrogen production in a single operation. Conducted by authors Yaowei Huang, Da Xu, Shuai Deng, and Meng Lin, it promises reduced energy consumption and impressive CO₂ conversion rates.

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Playback language: English
Abstract
This paper presents a hybrid electro-thermochemical device for direct methane (CH₄) production from air. The device integrates direct air capture (DAC) and hydrogen (H₂) production in a single bipolar membrane electrodialysis (BPMED) module, followed by a thermochemical methanation reaction. H₂ acts as a sweep gas, reducing energy consumption. Energy and techno-economic analyses show significant reductions compared to decoupled methods. Proof-of-concept experiments demonstrate high CO₂ conversion and CH₄ production.
Publisher
Nature Communications
Published On
Oct 16, 2024
Authors
Yaowei Huang, Da Xu, Shuai Deng, Meng Lin
Tags
methane production
direct air capture
hydrogen production
electrodialysis
thermochemical reaction
energy efficiency
CO₂ conversion

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