Results 211 to 220 of about 3,924 (259)

High‐Performance and Environmentally Stable Organic Electrochemical Transistors Enabled by a Reprocessed Self‐Doped PEDOT Channel

Advanced Electronic Materials, EarlyView.
A simple reprocessing strategy based on freeze‐drying and re‐dissolution is introduced to enhance the electrical performance of self‐doped PEDOT while preserving its intrinsic environmental stability. The reprocessed S‐PEDOT enables organic electrochemical transistors with improved drain current, transconductance, and robust operation under high ...
Ruifeng Xu, Hirokazu Yano, Hidenori Okuzaki, Takao Someya, Tomoyuki Yokota   +4 more
wiley   +1 more source

Degradation Mechanism of Phosphate‐Based Li‐NASICON Conductors in Alkaline Environment

Advanced Energy Materials, Volume 15, Issue 11, March 18, 2025.
The presence of water in the cathode of a Li‐air battery shifts reactions to produce LiOH, creating a corrosive, alkaline environment. This study investigates the alkaline stability of the common Li‐NASICON solid‐state conductor chemistries through a systematic experimental study combined with computational modeling to understand the degradation ...
Benjamin X. Lam, Zhuohan Li, Tara P. Mishra, Gerbrand Ceder   +3 more
wiley   +1 more source

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Plasma electrolytic oxidation of brass

Surface and Coatings Technology, 2020
Abstract Plasma electrolytic oxidation (PEO) is first reported for the non-valve metal of brass. The surface morphology of the PEO-treated brass has been examined, indicating the formation of a porous layer similar to that of PEO of valve metals.
Yulin Cheng, Zhunda Zhu, Qinghe Zhang, XiuJuan Zhuang, Yingliang Cheng   +4 more
openaire   +1 more source

Electrolytic-plasma oxidation in borate electrolytes

Protection of Metals, 2006
Changes in the temperature and concentration of the aqueous tetraborate electrolyte, particularly, its transition from true to supersaturated solution range affect the voltage at the electrodes, the elemental and phase composition and surface structure of oxide layers formed at anodically polarized aluminum alloys under the effect of electric ...
V. S. Rudnev, I. V. Lukiyanchuk, V. G. Kuryavyi   +2 more
openaire   +1 more source

PLASMA ELECTROLYTIC NIOBIUM OXIDATION IN BORATE AND TUNGSTATE ELECTROLYTES

Transactions of the Kоla Science Centre of RAS. Series: Engineering Sciences, 2023
The article is devoted to the study of the electrolyte (Na2B4O7, Na2WO4) and plasma electrolytic mode influence on the composition, surface morphology as well as optical properties of formed coatings.
Elena S. Chubieva, Irina V. Lukyanchuk, Marina S. Vasilyeva, Yulia B. Budnikova, Valery G. Kuryavyi, Natalia M. Yakovleva   +5 more
openaire   +1 more source

Plasma electrolytic oxidation of hafnium

International Journal of Refractory Metals and Hard Materials, 2017
Abstract This paper presents the results of the investigation of plasma electrolytic oxidation (PEO) of hafnium. Atoms ionized during the PEO micro-discharging were identified using optical emission spectroscopy. The spectral line shape analysis of the hydrogen Balmer line H β indicated the presence of two types of micro-discharges characterized by ...
Stevan Stojadinović, Nenad Tadić, Rastko Vasilić   +2 more
openaire   +1 more source

Porosity in plasma electrolytic oxide coatings

Acta Materialia, 2006
Abstract Plasma electrolytic oxide coatings are generally assumed to be almost fully dense. However, evidence is presented here for the presence of sub-micrometre, surface-connected porosity in such coatings, on aluminium alloys, at levels of the order of 20%.
J.A. Curran, T.W. Clyne
openaire   +1 more source

Nanoparticle incorporation in plasma-electrolytic oxidation

Transactions of the IMF, 2016
One remaining problem of thicker PEO based topcoats on light metal substrates is the enhanced porosity with increasing layer thickness. While modern deposition techniques such as pulsed anodisation counteract this phenomenon, a simple current signal based approach cannot completely eliminate this problem.
R. Mann, S. Hansal, W. E. G. Hansal
openaire   +1 more source

Niobium treated by Plasma Electrolytic Oxidation with calcium and phosphorus electrolytes

Journal of the Mechanical Behavior of Biomedical Materials, 2018
Niobium plates were electrochemically treated by Plasma Electrolytic Oxidation (PEO) with electrolytes containing phosphorous and/or calcium. Three different electrolyte and experimental parameters were used forming three different surfaces. Film morphology, thickness, and chemical composition were analyzed by scanning electron microscopy (SEM), and ...
Bruno Leandro, Pereira, Aline Rossetto, da Luz, Carlos Maurício, Lepienski, Irineu, Mazzaro, Neide Kazue, Kuromoto   +4 more
openaire   +2 more sources