Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Zong Cheng Zhang"'
Autor:
Shi-Gang Sun, Fuchun Zhu, Yan-Xia Jiang, Shuo Liu, Xiaochun Tian, Binwei Zhang, Xi-Ming Qu, Li Liu, Zong-Cheng Zhang, Long Huang
Publikováno v:
Nano Energy. 34:224-232
Improving the CO tolerance of Pt-based catalysts is very meaningful for the application in proton exchange membrane fuel cells and direct alcohol fuel cells. The behavior of Pt-based bimetallic catalysts is depended on their phase and surface composi
Autor:
Na Tian, Hai-Bin Ma, Bang-An Lu, Shi-Gang Sun, Zhi-You Zhou, Tian Sheng, Zhenming Cao, Chi Xiao, Zong-Cheng Zhang
Publikováno v:
Nano Energy. 33:65-71
In fuel cell technologies, the sluggish kinetics of oxygen reduction reaction (ORR) on the cathode is the main obstacle, and it is thus urgent to develop high-performance catalysts. In this work, we have synthesized 10 nm-sized octahedral PtCu alloy
Autor:
Hong-Gang Liao, Xi-Ming Qu, Tian Sheng, Shi Xue Dou, Shi-Gang Sun, Fuchun Zhu, Yan-Xia Jiang, Yunxiao Wang, Binwei Zhang, Junming Zhang, Zong-Cheng Zhang
Publikováno v:
ACS Catalysis. 7:892-895
In order to maximize the Pt utilization in catalysts and improve catalytic processes, we report a convenient strategy for preparation of Pt3Co with Pt-skin structured bimetallic nanocatalysts directly supported on porous graphitic carbon. Notably, th
Publikováno v:
Applied Mechanics and Materials. 521:375-378
Power transformer is the important equipment in power system, once the occurrence of faults may bring serious harm to power grid, and even cause great losses. This paper proposes a transformer winding insulation defect detection method. The method on
Publikováno v:
Applied Mechanics and Materials. 521:371-374
Distribution transformer is an important device in the power system, once its failure can cause power outages. According to statistics, 70% -80% of the transformer accident was caused by a short circuit between the transformer turns. In this paper, t
Publikováno v:
Applied Mechanics and Materials. 521:358-361
Distribution transformer is an important device in the power supply system, once its failure can cause power outages. According to statistics, 70% -80% of the transformer accident was caused by a short circuit between the transformer turns. Based on
Publikováno v:
Advanced Materials Research. :880-883
Water tree, electrical tree and electrochemical tree formed by premature defects of the cable can induce fault. The failure rate of the cable connecter which is higher than cable itself can emerge water tree, electrical tree and electrochemical tree.
Publikováno v:
Advanced Materials Research. :888-891
GIS is currently widely used in the power system and is the Developing Trends of Electrical appliances manufacturing. At present, a lot of research on GIS PD, but the study of the recognition of the PD severity is less. By analyzing a large number of
Publikováno v:
Advanced Materials Research. :892-895
Power transformer is the key equipment in power system. In view of the issues of the current bushing monitoring method, a new detection method of bushing insulation defects is proposed in this paper. According to the internal structure of bushing, th
Publikováno v:
Advanced Materials Research. :863-866
A methodology of diagnosing the winding insulation defect according to data of transient voltage and current from the impulse voltage test is put forward in this paper. Lightning impulse test for transformer is divided into half-wave and full-wave at