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使用Zirfon分离器的高效耐用氨电解槽。

Highly Efficient and Durable Ammonia Electrolysis Cell Using Zirfon Separator.

作者信息

Shin Haeyong, Jung Sang-Mun, Lim Young Jin, Yim O-Jung, Lee Byung-Jo, Kim Kyu-Su, Baek In-Ho, Baek Jinwoo, Lee Jinhyeon, Kim Yong-Tae

机构信息

Department of Materials Science and Engineering, Pohang University of Science and Technology, Gyeongbuk, 37673, Republic of Korea.

出版信息

Adv Sci (Weinh). 2025 Mar;12(12):e2500579. doi: 10.1002/advs.202500579. Epub 2025 Jan 31.

DOI:10.1002/advs.202500579
PMID:39887936
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11947998/
Abstract

Most studies on ammonia electrolysis have focused on anion exchange membranes (AEMs), which face limitations in operating conditions, such as pH and ammonia concentration. This study introduces a novel concept of an ammonia electrolysis cell (AEC) utilizing a Zirfon separator capable of operating under high pH and ammonia concentrations. The Zirfon-based AECs achieve a peak current density of 915 mA cm, representing the highest reported value in AEC literature. Additionally, the Zirfon separator exhibits less conductivity degradation than AEMs during cycling tests (Zirfon 14.1%, AEMs 30.2%), demonstrating superior durability of the Zirfon-based AEC.

摘要

大多数关于氨电解的研究都集中在阴离子交换膜（AEM）上，而阴离子交换膜在诸如pH值和氨浓度等操作条件下面临限制。本研究引入了一种新型氨电解槽（AEC）的概念，该电解槽采用了能够在高pH值和高氨浓度下运行的Zirfon分离器。基于Zirfon的AEC实现了915 mA/cm的峰值电流密度，这是AEC文献中报道的最高值。此外，在循环测试中，Zirfon分离器的电导率降解比AEM小（Zirfon为14.1%，AEM为30.2%），这表明基于Zirfon的AEC具有卓越的耐久性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c793/11947998/8fee8a684861/ADVS-12-2500579-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c793/11947998/085d6c0fffb9/ADVS-12-2500579-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c793/11947998/c66cff881c5f/ADVS-12-2500579-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c793/11947998/d345bc3346ac/ADVS-12-2500579-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c793/11947998/8815fb1cc8e4/ADVS-12-2500579-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c793/11947998/d1950866fd39/ADVS-12-2500579-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c793/11947998/3fdf5775233c/ADVS-12-2500579-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c793/11947998/8fee8a684861/ADVS-12-2500579-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c793/11947998/085d6c0fffb9/ADVS-12-2500579-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c793/11947998/c66cff881c5f/ADVS-12-2500579-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c793/11947998/d345bc3346ac/ADVS-12-2500579-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c793/11947998/8815fb1cc8e4/ADVS-12-2500579-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c793/11947998/d1950866fd39/ADVS-12-2500579-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c793/11947998/3fdf5775233c/ADVS-12-2500579-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c793/11947998/8fee8a684861/ADVS-12-2500579-g006.jpg

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