Chinese Journal of Catalysis ›› 2024, Vol. 67: 194-203.DOI: 10.1016/S1872-2067(24)60144-0
• Article • Previous Articles
Yingying Wei, Yuyao Sun, Yaodong Yu, Yue Shi, Zhe Wu, Lei Wang, Jianping Lai()
Received:
2024-08-31
Accepted:
2024-09-11
Online:
2024-11-30
Published:
2024-11-30
Contact:
Jianping Lai
Supported by:
Yingying Wei, Yuyao Sun, Yaodong Yu, Yue Shi, Zhe Wu, Lei Wang, Jianping Lai. 4 d Metal-doped liquid Ga for efficient ammonia electrosynthesis at wide N2 concentrations[J]. Chinese Journal of Catalysis, 2024, 67: 194-203.
Add to citation manager EndNote|Ris|BibTeX
URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(24)60144-0
Fig. 1. Morphology and composition characterizations of Ru0.06/LM@C catalyst. (a) SEM image. (b) TEM image. (c) The corresponding EDS elemental mappings. HRTEM image (d) and enlarged images (e). (f) XRD patterns. XPS spectra of the Ru0.06/LM@C catalyst: (g) Ga 2p; (h) Ru 3p1/2; (i) C 1s.
Fig. 2. Electrochemical nitrogen reduction performance of Ru0.06/LM@C catalysts. (a) LSV curves in high-purity N2 and Ar atmospheres. (b) The obtained NH3 yield and corresponding FEs at the given potential in high-purity N2 atmospheres with a constant flow rate of 30 mL min-1. (c) NH3 yield and FE at different N2 partial pressures. (d) Comparison of the NRR performance of Ru0.06/LM@C with that of other reported catalysts. The orange balls represent the performance of this work. The unit of NH3 yield in the graph is μg h-1 mgcat-1. (e) Recycling test for 12 times of Ru0.06/LM@C catalyst at -0.3 V vs. RHE.
Fig. 3. Performance of Ru0.06/LM@C catalyst on AEM electrolyzer. (a) Schematic diagram of the AEM electrolyzer. (b) LSV curves of Ru0.06/LM@C (-) || RuO2 (+) in the AEM electrolyzer. (c) Current density-dependent FE and voltage in an AEM electrolyser. Error bars represent the standard deviation of three independent measurements. (d) Chronoamperometric current curves of Ru0.06/LM@C (-) || RuO2 (+) at a cell voltage of 1.7 V (blue dots are Ammonia FE, green line is current density).
Fig. 4. DFT calculation. (a) Free energy of H2O dissociation process on Ga@C and Ru0.06/Ga@C. (b) The charge difference of N2 adsorbed on Ga@C (left) and Ru0.06/Ga@C (right). (c) The DOS patterns of Ga@C. (d) The DOS patterns of Ru0.06/Ga@C. (e) Gibbs free energy diagrams of NRR on the Ru0.06/Ga@C and Ga@C.
Fig. 5. Exploration of NRR mechanism on Ru0.06/LM@C. (a) In situ FTIR spectra of Ru0.06/LM@C catalyst in 0.1 mol L?1 KOH at different potentials. (b) The variable temperature in situ FTIR spectra. (c) N2-TPD of Ru0.06/LM@C and Ga@C. (d) Simplification of the NH3 generation mechanism on Ru0.06/LM@C.
|
[1] | Kaining Li, Yasutaka Kuwahara, Hiromi Yamashita. Poly(ethylenimine)-assisted synthesis of hollow carbon spheres comprising multi-sized Ni species for CO2 electroreduction [J]. Chinese Journal of Catalysis, 2024, 64(9): 66-76. |
[2] | Hao Dai, Tao Song, Xian Yue, Shuting Wei, Fuzhi Li, Yanchao Xu, Siyan Shu, Ziang Cui, Cheng Wang, Jun Gu, Lele Duan. Cu single-atom electrocatalyst on nitrogen-containing graphdiyne for CO2 electroreduction to CH4 [J]. Chinese Journal of Catalysis, 2024, 64(9): 123-132. |
[3] | Yunying Huo, Cong Guo, Yongle Zhang, Jingyi Liu, Qiao Zhang, Zhiting Liu, Guangxing Yang, Rengui Li, Feng Peng. Realizing efficient electrochemical oxidation of 5-hydroxymethylfurfural on a freestanding Ni(OH)2/nickel foam catalyst [J]. Chinese Journal of Catalysis, 2024, 63(8): 282-291. |
[4] | Jiayong Xiao, Chao Jiang, Hui Zhang, Zhuo Xing, Ming Qiu, Ying Yu. Amorphous core-shell NiMoP@CuNWs rod-like structure with hydrophilicity feature for efficient hydrogen production in neutral media [J]. Chinese Journal of Catalysis, 2024, 63(8): 154-163. |
[5] | Qinghui Ren, Liang Xu, Mengyu Lv, Zhiyuan Zhang, Zhenhua Li, Mingfei Shao, Xue Duan. Cation effects in electrocatalytic reduction reactions: Recent advances [J]. Chinese Journal of Catalysis, 2024, 63(8): 16-32. |
[6] | Zhipeng Li, Xiaobin Liu, Qingping Yu, Xinyue Qu, Jun Wan, Zhenyu Xiao, Jingqi Chi, Lei Wang. Recent advances in design of hydrogen evolution reaction electrocatalysts at high current density: A review [J]. Chinese Journal of Catalysis, 2024, 63(8): 33-60. |
[7] | Nan Mu, Tingting Bo, Yugao Hu, Ruixin Xu, Yanyu Liu, Wei Zhou. Single-atom catalysts based on polarization switching of ferroelectric In2Se3 for N2 reduction [J]. Chinese Journal of Catalysis, 2024, 63(8): 244-257. |
[8] | Shujiao Yang, Pengfei Jiang, Kaihang Yue, Kai Guo, Luna Yang, Jinxiu Han, Xinyang Peng, Xuepeng Zhang, Haoquan Zheng, Tao Yang, Rui Cao, Ya Yan, Wei Zhang. Manganese pyrophosphate with multiple coordinated water molecules for electrocatalytic water oxidation [J]. Chinese Journal of Catalysis, 2024, 62(7): 166-177. |
[9] | Hong-Rui Zhu, Hui-Min Xu, Chen-Jin Huang, Zhi-Jie Zhang, Qi-Ni Zhan, Ting-Yu Shuai, Gao-Ren Li. Recent advances of the catalysts for photoelectrocatalytic oxygen evolution and CO2 reduction reactions [J]. Chinese Journal of Catalysis, 2024, 62(7): 53-107. |
[10] | Zhenlin Chen, Jing Xue, Lei Wu, Kun Dang, Hongwei Ji, Chuncheng Chen, Yuchao Zhang, Jincai Zhao. Synergistic photoelectric and thermal effect for efficient nitrate reduction on plasmonic Cu photocathodes [J]. Chinese Journal of Catalysis, 2024, 62(7): 219-230. |
[11] | Qing Liu, Xue-Feng Cheng, Jin-Yan Huo, Xiao-Fang Liu, Huilong Dong, Hongbo Zeng, Qing-Feng Xu, Jian-Mei Lu. Manipulating the interactions between N-intermediates and one-dimensional conjugated coordination polymers to boost electroreduction of nitrate to ammonia [J]. Chinese Journal of Catalysis, 2024, 62(7): 231-242. |
[12] | Wancheng Zhao, Jiapeng Ma, Dong Tian, Baotao Kang, Fangquan Xia, Jing Cheng, Yajun Wu, Mengyao Wang, Gang Wu. Self-supported film catalyst integrated with multifunctional carbon nanotubes and Ni-Ni(OH)2 heterostructure for promoted hydrogen evolution [J]. Chinese Journal of Catalysis, 2024, 62(7): 287-295. |
[13] | Jieyu Liu, Haiqiang Guo, Yulin Xiong, Xing Chen, Yifu Yu, Changhong Wang. Rational design of Pt-anchored single-atom alloy electrocatalysts for NO-to-NH3 conversion by density functional theory and machine learning [J]. Chinese Journal of Catalysis, 2024, 62(7): 243-253. |
[14] | Xinyu Chen, Cong-Cong Zhao, Jing Ren, Bo Li, Qianqian Liu, Wei Li, Fan Yang, Siqi Lu, YuFei Zhao, Li-Kai Yan, Hong-Ying Zang. An oxygen-vacancy-rich polyoxometalate-aided Ag-based heterojunction electrocatalyst for nitrogen fixation [J]. Chinese Journal of Catalysis, 2024, 62(7): 209-218. |
[15] | Xianbiao Hou, Chen Yu, Tengjia Ni, Shucong Zhang, Jian Zhou, Shuixing Dai, Lei Chu, Minghua Huang. Constructing amorphous/crystalline NiFe-MOF@NiS heterojunction catalysts for enhanced water/seawater oxidation at large current density [J]. Chinese Journal of Catalysis, 2024, 61(6): 192-204. |
Viewed | ||||||
Full text |
|
|||||
Abstract |
|
|||||