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том 16 издание 1 номер публикации 1754

Tip carbon encapsulation customizes cationic enrichment and valence stabilization for low K+ acidic CO2 electroreduction

ZHITONG WANG 1, 2
Dongyu Liu 3
Chenfeng Xia 2
Xiaodong Shi 1
Yansong Zhou 4
Qiuwen Liu 5
Jiangtao Huang 5
Haiyan Wu 1
Deyu Zhu 2
Shuyu Zhang 4
Jing Li 1
Peilin Deng 1
Andrey S Vasenko 3, 6
Bao Yu Xia 2
Тип публикацииJournal Article
Дата публикации2025-02-19
scimago Q1
wos Q1
БС1
SJR4.761
CiteScore23.4
Impact factor15.7
ISSN20411723
Краткое описание

Acidic electrochemical CO2 conversion is a promising alternative to overcome the low CO2 utilization. However, over-reliance on highly concentrated K+ to inhibit the hydrogen evolution reaction also causes (bi)carbonate precipitation to interfere with catalytic performance. In this work, under the screening and guidance of computational simulations, we present a carbon coated tip-like In2O3 electrocatalyst for stable and efficient acidic CO2 conversion to synthesize formic acid (HCOOH) with low K+ concentration. The carbon layer protects the oxidized In species with higher intrinsic activity from reductive corrosion, and also peripherally formulates a tip-induced electric field to regulate the adverse H+ attraction and desirable K+ enrichment. In an acidic electrolyte at pH 0.94, only 0.1 M low K+ is required to achieve a Faradaic efficiency (FE) of 98.9% at 300 mA cm−2 for HCOOH and a long-time stability of over100 h. By up-scaling the electrode into a 25 cm2 electrolyzer setup, a total current of 7 A is recorded to sustain a durable HCOOH production of 291.6 mmol L−1 h−1.

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ГОСТ |
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WANG Z. et al. Tip carbon encapsulation customizes cationic enrichment and valence stabilization for low K+ acidic CO2 electroreduction // Nature Communications. 2025. Vol. 16. No. 1. 1754
ГОСТ со всеми авторами (до 50) Скопировать
WANG Z., Liu D., Xia C., Shi X., Zhou Y., Liu Q., Huang J., Wu H., Zhu D., Zhang S., Li J., Deng P., Vasenko A. S., Xia B. Yu., Tian X. Tip carbon encapsulation customizes cationic enrichment and valence stabilization for low K+ acidic CO2 electroreduction // Nature Communications. 2025. Vol. 16. No. 1. 1754
RIS |
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TY - JOUR
DO - 10.1038/s41467-025-56977-6
UR - https://www.nature.com/articles/s41467-025-56977-6
TI - Tip carbon encapsulation customizes cationic enrichment and valence stabilization for low K+ acidic CO2 electroreduction
T2 - Nature Communications
AU - WANG, ZHITONG
AU - Liu, Dongyu
AU - Xia, Chenfeng
AU - Shi, Xiaodong
AU - Zhou, Yansong
AU - Liu, Qiuwen
AU - Huang, Jiangtao
AU - Wu, Haiyan
AU - Zhu, Deyu
AU - Zhang, Shuyu
AU - Li, Jing
AU - Deng, Peilin
AU - Vasenko, Andrey S
AU - Xia, Bao Yu
AU - Tian, Xinlong
PY - 2025
DA - 2025/02/19
PB - Springer Nature
IS - 1
VL - 16
SN - 2041-1723
ER -
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BibTex (до 50 авторов) Скопировать
@article{2025_WANG,
author = {ZHITONG WANG and Dongyu Liu and Chenfeng Xia and Xiaodong Shi and Yansong Zhou and Qiuwen Liu and Jiangtao Huang and Haiyan Wu and Deyu Zhu and Shuyu Zhang and Jing Li and Peilin Deng and Andrey S Vasenko and Bao Yu Xia and Xinlong Tian},
title = {Tip carbon encapsulation customizes cationic enrichment and valence stabilization for low K+ acidic CO2 electroreduction},
journal = {Nature Communications},
year = {2025},
volume = {16},
publisher = {Springer Nature},
month = {feb},
url = {https://www.nature.com/articles/s41467-025-56977-6},
number = {1},
pages = {1754},
doi = {10.1038/s41467-025-56977-6}
}