Zobrazeno 1 - 10
of 103
pro vyhledávání: '"Chaozhong Guo"'
Autor:
Yuan Qin, Zihao Ou, Chuanlan Xu, Zubang Zhang, Junjie Yi, Ying Jiang, Jinyan Wu, Chaozhong Guo, Yujun Si, Tiantao Zhao
Publikováno v:
Nanoscale Research Letters, Vol 16, Iss 1, Pp 1-13 (2021)
Abstract The increasing popularity of wearable electronic devices has led to the rapid development of flexible energy conversion systems. Flexible rechargeable zinc-air batteries (ZABs) with high theoretical energy densities demonstrate significant p
Externí odkaz:
https://doaj.org/article/2872df18e29144faa18d51c06c06630f
Publikováno v:
Catalysts, Vol 13, Iss 1, p 166 (2023)
The low specific surface area and insufficient exposure of active sites are usually the key reasons for the poor oxygen reduction reaction of catalysts. Here, we update a new method, using NaCl as a template, egg white as a carbon source and nitrogen
Externí odkaz:
https://doaj.org/article/170640a2897d416ca7011e7b9a368bf6
Publikováno v:
Nanoscale Research Letters, Vol 15, Iss 1, Pp 1-14 (2020)
Abstract Designing appropriate methods to effectively enhance nitrogen-doping efficiency and active-site density is essential to boost the oxygen reduction reaction (ORR) activity of non-platinum Fe/N/C-type electrocatalysts. Here, we propose a facil
Externí odkaz:
https://doaj.org/article/a08e8d93bb9b4ed29e58fc979e9c690b
Publikováno v:
IEEE Access, Vol 8, Pp 131248-131256 (2020)
Bearing fault diagnosis is of great significance to ensure the safe operation of mechanical equipment. This paper proposes an intelligent fault diagnosis method of rolling bearings based on deep belief network (DBN) with hyperparameter optimization b
Externí odkaz:
https://doaj.org/article/70fc0141db894e41b274ff91b8989df5
Autor:
Chaozhong Guo, Yanrong Li, Ya Xu, Qin Xiang, Lingtao Sun, Weizhong Zhang, Wensheng Li, Yujun Si, Zhongli Luo
Publikováno v:
Nanoscale Research Letters, Vol 14, Iss 1, Pp 1-11 (2019)
Abstract Synthesis of metal-free carbon-based electrocatalysts for oxygen reduction reaction (ORR) to replace the conventional platinum-based catalysts has currently become a hot topic of research. This work proposes an activation-assisted carbonizat
Externí odkaz:
https://doaj.org/article/da601ef06a0d425a921c6d88a099687f
Autor:
Tong Feng, Wenli Liao, Zhongbin Li, Lingtao Sun, Dongping Shi, Chaozhong Guo, Yu Huang, Yi Wang, Jing Cheng, Yanrong Li, Qizhi Diao
Publikováno v:
Nanoscale Research Letters, Vol 12, Iss 1, Pp 1-7 (2017)
Abstract Large-scale production of active and stable porous carbon catalysts for oxygen reduction reaction (ORR) from protein-rich biomass became a hot topic in fuel cell technology. Here, we report a facile strategy for synthesis of nitrogen-doped p
Externí odkaz:
https://doaj.org/article/e58df02e7dfd4531b9990c3f2d1fa006
Publikováno v:
Materials, Vol 8, Iss 10, Pp 6658-6667 (2015)
The development of inexpensive and active Pt-free catalysts as an alternative to Pt-based catalysts for oxygen reduction reaction (ORR) is an essential prerequisite for fuel cell commercialization. In this paper, we report a strategy for the design o
Externí odkaz:
https://doaj.org/article/8deed24e004349d380bca98a458fa8f3
Publikováno v:
Materials, Vol 11, Iss 10, p 1912 (2018)
A catalyst toward oxygen evolution reaction (OER) was synthesized by depositing cobalt hydroxide on carbon black. Ultrasonication was applied during precipitation to improve the performance of the catalyst. The ultrasonic-assisted process resulted in
Externí odkaz:
https://doaj.org/article/2568976f756145a586c9a5e731d45ed4
Publikováno v:
Materials, Vol 10, Iss 5, p 564 (2017)
The great challenge of boosting the oxygen reduction reaction (ORR) activity of non-noble-metal electrocatalysts is how to achieve effective exposure and full utilization of nitrogen-rich active sites. To realize the goals of high utilization of acti
Externí odkaz:
https://doaj.org/article/2ce97df2e74f406c8b75e39efca80806
Publikováno v:
Materials, Vol 9, Iss 1, Pp 1-0 (2015)
The development of highly stable and efficient electrocatalysts for sluggish oxygen reduction reaction (ORR) is exceedingly significant for the commercialization of fuel cells but remains a challenge. We here synthesize a new nitrogen-doped biocarbon
Externí odkaz:
https://doaj.org/article/36b9f3a26de84508acd19d59f4c788bf