A self-assembled, nacre-mimetic, nano-laminar structure as a superior charge dissipation coating on insulators for HVDC gas-insulated systems

Nanoscale ◽  
2019 ◽  
Vol 11 (39) ◽  
pp. 18046-18051 ◽  
Author(s):  
Boya Zhang ◽  
Qiang Wang ◽  
Yunxiao Zhang ◽  
Wenqiang Gao ◽  
Yicen Hou ◽  
...  
Keyword(s):  
Surface Charge ◽  
High Voltage ◽  
Layered Structure ◽  
Laminar Structure ◽  
Self Assembled ◽  
Dc Stress

By mimicking the layered structure of nacre, we successfully fabricated a nano-laminar coating on high-voltage insulators. The coating is demonstrated to achieve a higher flashover strength by effectively dissipating surface charge under dc stress.

Edge Termination With Enhanced Field-Limiting Rings Insensitive to Surface Charge for High-Voltage SiC Power Devices

2020 ◽  
Vol 67 (7) ◽  
pp. 2850-2853
Author(s):  
Takashi Hirao ◽  
Hidekatsu Onose ◽  
Kan Yasui ◽  
Mutsuhiro Mori
Keyword(s):  
Surface Charge ◽  
High Voltage ◽  
Power Devices ◽  
Edge Termination

Study on Polarization and Adhesion Property of Gecko Inspired Mushroom-Shaped Pillars

2020 ◽  
Vol 1013 ◽  
pp. 19-24
Author(s):  
Ming Yue Lu ◽  
Yang Li ◽  
Qing Song He ◽  
Zhen Dong Dai
Keyword(s):  
Chemical Composition ◽  
Surface Charge ◽  
High Voltage ◽  
Negative Charge ◽  
Biological Tissues ◽  
Adhesion Property ◽  
Positive Electrode ◽  
Adhesion Performance ◽  
Effect Of Surface ◽  
Adhesive Materials

Geckos can run swiftly on various surfaces, is not only related to the micro-nanostructure of their setae, but also related to the charged keratin in biological tissues of epidermis. Many gecko-inspired structural materials have been developed in order to obtain desired adhesion property. Much research has been done to improve their adhesion by changing chemical composition and optimizing micro-nanostructure, but little research has been done on the effect of surface charge. Therefore, this study aims to investigate the effect of surface charge on the adhesion of gecko-inspired materials, and to explore a new way to improve their adhesion performance. In this work, the dry adhesive materials made of polyvinylsiloxane (PVS) with mushroom-shaped pillars were polarized under high voltage. The results showed that polarized samples with the mushroom-shaped pillars facing the positive electrode have more negative charge, and the adhesion was improved a lot with increasing charge.

Enhancing High-Voltage Performance of Ni-Rich Cathode by Surface Modification of Self-Assembled NASICON Fast Ionic Conductor LiZr2(PO4)3

2019 ◽  
Vol 11 (17) ◽  
pp. 15507-15516 ◽  
Author(s):  
Jiafeng Zhang ◽  
Jianyong Zhang ◽  
Xing Ou ◽  
Chunhui Wang ◽  
Chunli Peng ◽  
...  
Keyword(s):  
Surface Modification ◽  
High Voltage ◽  
Ionic Conductor ◽  
Self Assembled ◽  
Voltage Performance ◽  
Fast Ionic Conductor

scholarly journals In situ Surface Charge Density Visualization of Self‐assembled DNA Nanostructures after Ion Exchange

ChemPhysChem ◽  
2020 ◽  
Vol 21 (13) ◽  
pp. 1474-1482 ◽  
Author(s):  
Steffan Møller Sønderskov ◽  
Lasse Hyldgaard Klausen ◽  
Sebastian Amland Skaanvik ◽  
Xiaojun Han ◽  
Mingdong Dong
Keyword(s):  
Ion Exchange ◽  
Charge Density ◽  
Surface Charge ◽  
Surface Charge Density ◽  
Dna Nanostructures ◽  
Self Assembled
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