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Journal articles on the topic 'Electrode shape'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Lin, Tiras Y., Thomas Roy, Marcus Andre Worsley, and Giovanna Bucci. "The Effect of Shape in Porous Electrodes on Cell Resistance and Chemo-Mechanical Stresses." ECS Meeting Abstracts MA2024-01, no. 2 (2024): 456. http://dx.doi.org/10.1149/ma2024-012456mtgabs.

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In contrast to conventional planar electrodes, the use of electrodes with a three-dimensional (3D) shape has been shown to be an effective way to increase both the power and energy densities of a Li-ion battery. These 3D shapes allow batteries to overcome some of the capacity and rate performance trade-offs. For instance, they enable higher active-material loading, while keeping the transport pathways fixed and allowing for better material utilization. There are a variety of ways electrodes can be shaped: each electrode can be individually shaped and separated by a planar separator, or they ca

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Ahad, Mohammad A., Somen Baidya, and Md Nurul Tarek. "Comparison of Circular and Rectangular-Shaped Electrodes for Electrical Impedance Myography Measurements on Human Upper Arms." Micromachines 14, no. 6 (2023): 1179. http://dx.doi.org/10.3390/mi14061179.

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Electrical Impedance Myography (EIM) is a painless, noninvasive approach for assessing muscle conditions through the application of a high-frequency, low-intensity current to the muscle region of interest. However, besides muscle properties, EIM measurements vary significantly with changes in some other anatomical properties such as subcutaneous skin-fat (SF) thickness and muscle girth, as well as non-anatomical factors, such as ambient temperature, electrode shape, inter-electrode distance, etc. This study has been conducted to compare the effects of different electrode shapes in EIM experime

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Goiogana, Manu, and Ahmed Elkaseer. "Self-Flushing in EDM Drilling of Ti6Al4V Using Rotating Shaped Electrodes." Materials 12, no. 6 (2019): 989. http://dx.doi.org/10.3390/ma12060989.

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This article reports an experimental investigation of the efficacy of self-flushing in the Electrical Discharge Machining (EDM) process in terms of tool wear rate (TWR), hole taper angle and material removal rate (MRR). In addition to a plain cylindrical shape, electrodes of different cross sections (slotted cylindrical, sharp-cornered triangular, round-cornered triangular, sharp-cornered square, round-cornered square, sharp-cornered hexagonal and round-cornered hexagonal) were designed as a means of inducing debris egress and then fabricated in graphite. EDM drilling trials using the rotating

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Nagham, Ghanem Ghazey*1 and Dr. Shukry Hammed Aghdeab2. "EFFECT OF CURRENT, PULSE DURATION, AND PULSE INTERVAL FOR DIFFERENT ELECTRODES SHAPE ON ELECTRODE WEAR RATE IN EDM." INTERNATIONAL JOURNAL OF RESEARCH SCIENCE & MANAGEMENT 4, no. 10 (2017): 1–11. https://doi.org/10.5281/zenodo.1006763.

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The process of electrical discharge machining (EDM) includes thermal erosion of the workpiece by a series of sparks from an electrode depending on electrical source of energy. The workpiece and the electrode are submerged in a dielectric fluid. This paper presents an experimental investigation for studying the effect of electrodes shape using (flat, conical, and round) bottoms, currents of (10, 20, and 42 A), pulse duration of (25, 50, and 75 µs) and pulse interval of (37, 12, and 3.5 µs) on electrode wear rate (EWR). A series of experiments was carried out using 27 specimens, workpiece of AIS

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Burham, N., A. A. M. Shahar, A. A. Aziz, T. N. T. Yaakub, and N. Khairuddin. "Characterizations of electrode geometrical shape for dielectrophoresis." Indonesian Journal of Electrical Engineering and Computer Science 15, no. 2 (2019): 671. http://dx.doi.org/10.11591/ijeecs.v15.i2.pp671-677.

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<p>This paper presents a characterization of geometrical shape on dielectrophoresis by determining and analysing the geometrical shape of electrodes. The structure or geometrical shape of dielectrophoresis electrode is design using COMSOL software to determine the maximum trapping efficiency of particles. The trapping efficiency of particles can be evaluated by analysing the best electrical gradient and investigated the behaviour of the particles if the existence of a non-uniform electric field. There are three geometrical shapes have been designed which is, peel chain shape, castle wall

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Ganesan, Sanchanna, Juliet A. Vimala, and C. Likith Kumar. "Dielectric Modeling of Staphylococcus Aureus Bacteria and Shape Optimization of Electrodes for Isolation in Microfluidic Channel: A Numerical Study." Engineering, Technology & Applied Science Research 14, no. 5 (2024): 16660–67. http://dx.doi.org/10.48084/etasr.8144.

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This study investigates the optimization of the electrode shape to isolate bacteria from the blood within a microfluidic channel, employing the dielectrophoretic technique. The examination focuses on the dielectric modeling of Staphylococcus Aureus bacteria to isolate them from blood components, specifically Red Blood Cells (RBC) and platelets. The numerical study utilized the COMSOL Multiphysics software to model three distinct channels, using standard geometric shapes such as triangles, rectangles, and circles as their electrodes. Numerical analyses were carried out to compare the three mode

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Zhu, Ruifeng, Jianjun Li, Zuo Wang, Yongzhen Wu, Binrui Wang, and Kai Zhao. "Multi-rigid-body modeling and simulation of perimodiolar cochlear electrode arrays." Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 233, no. 5 (2019): 483–96. http://dx.doi.org/10.1177/0954411919834485.

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This study presented a method that decomposes perimodiolar electrodes into multi-rigid bodies for the study on the shape variation of cochlear perimodiolar electrode. The coordinates of electrode array were obtained by capturing the shape varying image of the perimodiolar electrodes with the stylet extracted. Subsequently, the increment of the angle variation and the length of each link were obtained. Fourier compensation fitting method was developed using the three fitting methods to compare and analyze the increment of the angle variation of the perimodiolar electrode multi-rigid model. This

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Min, Kyou Sik, Sang Beom Jun, Yoon Seob Lim, Se-Ik Park, and Sung June Kim. "Modiolus-Hugging Intracochlear Electrode Array with Shape Memory Alloy." Computational and Mathematical Methods in Medicine 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/250915.

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In the cochlear implant system, the distance between spiral ganglia and the electrodes within the volume of the scala tympani cavity significantly affects the efficiency of the electrical stimulation in terms of the threshold current level and spatial selectivity. Because the spiral ganglia are situated inside the modiolus, the central axis of the cochlea, it is desirable that the electrode array hugs the modiolus to minimize the distance between the electrodes and the ganglia. In the present study, we propose a shape-memory-alloy-(SMA-) embedded intracochlear electrode which gives a straight

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Dabbak, Sameh, Hazlee Illias, Ang Bee Chin, and Mohsin Ali Tunio. "Surface Discharge Characteristics on HDPE, LDPE and PP." Applied Mechanics and Materials 785 (August 2015): 383–87. http://dx.doi.org/10.4028/www.scientific.net/amm.785.383.

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The degradation of polymer insulation is affected by many factors. One of the main factors is surface discharge. In this work, the characteristics of surface discharge on different types of polymer insulation material under different types of electrode shapes were studied. The insulation materials used were high density polyethylene (HDPE), low density polyethylene (LDPE) and polypropylene (PP). Different types of electrode shape used were sharp, flat and sphere electrodes. From the experiments that have been performed, surface discharge characteristics were found to be influenced by the type

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Nakamura, Yuki, Tutik Sriani, and Hideki Aoyama. "Electrode Design for Oscillating EDM." Advanced Materials Research 76-78 (June 2009): 645–50. http://dx.doi.org/10.4028/www.scientific.net/amr.76-78.645.

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In die-sinking EDM, the electrode is moved only in the Z-axis direction, while in oscillating EDM, electrodes are oscillated in both the X-axis and Y-axis directions to realize high accuracy machining. There are many ways of designing electrodes for oscillating EDM. However, because the form of electrodes and subsequently the oscillating patterns of these electrodes depend on the shapes of the die/mold used, they become complicated when the die/mold shape is complicated, and electrode design takes hours in such cases. This paper therefore proposes a new approach of designing electrodes for osc

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Zheng, Peiliang, Yan Deng, Shuxiang Wang, and Dechang Wu. "Investigation on capacitive force measuring device with linear output." Journal of Physics: Conference Series 2378, no. 1 (2022): 012004. http://dx.doi.org/10.1088/1742-6596/2378/1/012004.

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Abstract Capacitive force measuring device is the most precise of all electrical force force measuring devices with its extremely high sensitivity and resolution. The shape of the capacitive electrode had an important influence on the output of the capacitive force measuring device, and a capacitive force measuring device with linear output could be obtained by regulating the shape of the electrode. The functional conditions that the shape of the capacitor electrode needed to meet when the force measuring device had been linearly output are obtained through theoretical analysis. The output cha

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Soyama, Fukuto, Taisei Motomura, and Kenshin Takemura. "Molecular Shape-Preserving Au Electrode for Progesterone Detection." Sensors 25, no. 5 (2025): 1620. https://doi.org/10.3390/s25051620.

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Quantifying progesterone levels in the body is an important indicator of early pregnancy and health. Molecular shape-preserving electrodes have garnered attention in electrochemical biosensors because they can detect targets without the need for expensive enzymes or antibodies. However, some of the currently used methods typically have low electrode durability. Here, progesterone, for which antibodies are typically expensive, was used to develop a molecular shape-preserving electrode using Au to enhance its long-term stability. The physical properties of the electrodes were characterized using

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Wang, Wenjian, Yu Liu, Wenchao Zhang, Fujian Ma, Dapeng Yang, and Shengfang Zhang. "Research on Shape Change of Multimaterial Electrode for EDM." Advances in Materials Science and Engineering 2019 (November 11, 2019): 1–11. http://dx.doi.org/10.1155/2019/9159835.

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The shape change law of a multimaterial electrode in EDM was studied, and a cosimulation between ANSYS and MATLAB of electrode shape change of the multimaterial electrode and workpiece was established. Element birth and death in ANSYS was used to obtain the removal volume in a single-pulse discharge, and the electrode feed strategy, material removal, and renewal strategy are considered to establish the shape simulation strategy. Then, a program based on MATLAB software was compiled to simulate the machining process and predict the shape change of the multimaterial electrode of different combin

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Liu, Yong. "Fabrication of Micro Cylindrical Electrode with Flat End Shape and its Application in Electrochemical Micromachining." Applied Mechanics and Materials 364 (August 2013): 244–47. http://dx.doi.org/10.4028/www.scientific.net/amm.364.244.

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Electrochemical micromachining (EMM) has become more and more important in micro machining in recent years. Micro electrode as the tool of EMM is an essential cell in the machining process. In this study, micro cylindrical electrode is fabricated by electrochemical etching firstly. Second, the flat end shape forming methods for micro cylindrical electrode is investigated. And then, micro electrodes with flat end shape fabricated above is used in electrochemical micro milling process. Finally, a 3D micro structure with three steps is machined on metallic materials by above micro cylindrical ele

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15

Ingeman-Nielsen, Thomas, Soňa Tomaškovičová, and Torleif Dahlin. "Effect of electrode shape on grounding resistances — Part 1: The focus-one protocol." GEOPHYSICS 81, no. 1 (2016): WA159—WA167. http://dx.doi.org/10.1190/geo2015-0484.1.

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Electrode grounding resistance is a major factor affecting measurement quality in electric resistivity tomography (ERT) measurements for cryospheric applications. Still, little information is available on grounding resistances in the geophysical literature, mainly because it is difficult to measure. The focus-one protocol is a new method for estimating single electrode grounding resistances by measuring the resistance between a single electrode in an ERT array and all the remaining electrodes connected in parallel. For large arrays, the measured resistance is dominated by the grounding resista

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Suen, Min-Sheng, and Rongshun Chen. "Capacitive Tactile Sensor with Concentric-Shape Electrodes for Three-Axial Force Measurement." Proceedings 2, no. 13 (2018): 708. http://dx.doi.org/10.3390/proceedings2130708.

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In this paper, a novel capacitive tactile sensing device has proposed and demonstrated to solve coupling problem within the normal force and shear force by the unique design of electrode shape. In addition, the tactile sensor was added in the measuring capability of torsion sensing compared with traditional capacitive sensor. The perceptive unit of tactile sensor, which was consist of five sensing electrodes to detect three-axial force. The complete tactile sensor composed of a top electrode, a bottom electrode, and a spacer layer. Each capacitive sensing unit comprised a pair of the concentri

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17

Nanimina, Alexis Mouangue, Ahmad Majdi Abdul Rani, Mohd Amri Lajis, Turnad Lenggo Ginta, and T. V. V. L. N. Rao. "Influence of Workpiece Shape on MRR and EWR in EDM of Steel." Advanced Materials Research 903 (February 2014): 51–55. http://dx.doi.org/10.4028/www.scientific.net/amr.903.51.

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Shape of workpiece, electrode orientation and flushing system play important role in electrical discharge machining (EDM) process. Low material removal rate and relatively high electrode wear ratio are some of the disadvantages of EDM process. This can be due to the flushing modes. Workpiece shape has a significant effect in effectiveness of dielectric flushing flow and orientation during EDM process. This research work is conducted to analyze the influence of various workpiece shapes. Square cavity, L shape, flat shape and U shape were machined with same cross-section electrode material. Test

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Kaneko, Yuki, and Masanori Kunieda. "Reverse Simulation of Sinking EDM for Intricate Shapes." Key Engineering Materials 447-448 (September 2010): 178–82. http://dx.doi.org/10.4028/www.scientific.net/kem.447-448.178.

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This research aims to develop a reverse simulation method to obtain the shape of tool electrode before machining from the shapes of workpiece before and after machining in sinking EDM. To apply the reverse simulation method to tool electrodes which have large curvatures, a special operation was added to the simulation program to consider the influence of the curvature. The validity of the principle of the modified reverse simulation was demonstrated in the machining of a V-shaped cavity.

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Chu, Seo Bum, Yoohan Ma, Jinwook Jung, et al. "Optimization of Contact Pad Design for Silver Nanowire-Based Transparent Heater to Improve Heating Characteristics." Nanomaterials 14, no. 21 (2024): 1735. http://dx.doi.org/10.3390/nano14211735.

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Transparent heaters are gaining significant attention for applications such as antifog glass, smart windows, and smart farm greenhouses. A transparent heater basically consists of transparent conducting materials that serve as a heating area and contact pad electrode to apply power. To fabricate a transparent heater, materials with excellent light transmittance and low sheet resistance are required. Among various transparent conducting materials, such as Indium Tin Oxide (ITO), carbon nanotube (CNT), graphene, and silver nanowires (AgNWs), AgNWs are particularly favored due to their good elect

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Shafira, HM, M. Anwar, JS Saputro, and M. Nizam. "Modeling of carbon nanoparticle synthesis using arc discharge method in variation through electrode’s shape and gap." Journal of Physics: Conference Series 2556, no. 1 (2023): 012012. http://dx.doi.org/10.1088/1742-6596/2556/1/012012.

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Abstract Modeling of carbon nanoparticle synthesis using the arc discharge method was created by simulation. In this research, the electrode shapes and gaps between them are varied. The electrode’s shape was modeled as pointy, blunt, and square, while the electrode’s gap was modeled as modified at 0.23 mm, 0.38 mm, and 0.57 mm. This research aims to analyze forms of distribution and generated nanoparticles by demonstrating how the difference in electrode design obtains the maximum value of electron density, electron temperature, and electric potential since the discharge process. The simulatio

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Wang, Mingyong, Jianfei Wang, Yiling Zhang, Lu Li, Wenkai Zhou, and Zhipeng Lei. "The Influence of Electrode Shape on the Electric and Temperature Fields in an Immersed High-Voltage Electrode Boiler." Energies 18, no. 4 (2025): 825. https://doi.org/10.3390/en18040825.

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The electric and temperature fields formed in the furnace water system by electrodes of different shapes differ to some extent when the immersed high-voltage electrode boiler is in operation. To obtain the distribution of electric and temperature fields in the furnace water when different shapes of electrodes are used in a high-voltage electrode boiler, simulation models of spherical electrodes, planar electrodes, and tangential electrodes are established, respectively. The effects of the electrode structure on the electric and temperature fields in the furnace water were investigated. The sim

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Kim, Hyelim, Siyeon Kim, Daeyoung Lim, and Wonyoung Jeong. "Development and Characterization of Embroidery-Based Textile Electrodes for Surface EMG Detection." Sensors 22, no. 13 (2022): 4746. http://dx.doi.org/10.3390/s22134746.

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The interest in wearable devices has expanded to measurement devices for building IoT-based mobile healthcare systems and sensing bio-signal data through clothing. Surface electromyography, called sEMG, is one of the most popular bio-signals that can be applied to health monitoring systems. In general, gel-based (Ag/AgCl) electrodes are mainly used, but there are problems, such as skin irritation due to long-time wearing, deterioration of adhesion to the skin due to moisture or sweat, and low applicability to clothes. Hence, research on dry electrodes as a replacement is increasing. Accordingl

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Singh, Jagtar, Gurminder Singh, and Pulak M. Pandey. "Electric discharge machining using rapid manufactured complex shape copper electrode with cryogenic cooling channel." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 235, no. 1-2 (2020): 173–85. http://dx.doi.org/10.1177/0954405420949102.

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In this study, a rapid manufacturing process based on the combination of polymer three-dimensional printing and pressureless loose sintering was explored for the fabrication of complex shape electric discharge machining pure copper electrodes with the cryogenic cooling channel. The fabricated electrodes were used to perform electric discharge machining on D2 steel workpiece. The comparative study was performed on material removal and electrode wear rates between the solid copper electrode, rapid manufactured electrode without cryogenic cooling and with cryogenic cooling. Also, the surface char

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Abd Al-Hamza, Sara Mohannad, and Hayder Mohammed Abd Al-Hamed. "Using Of Different Electrocoagulation Cell Configuration Parameters for Treating of Abu-Ghraib Dairy Products Wastewater." IOP Conference Series: Earth and Environmental Science 961, no. 1 (2022): 012059. http://dx.doi.org/10.1088/1755-1315/961/1/012059.

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Abstract One of the most significant issues that people throughout the world will confront in the future years is a lack of clean and safe water. Anthropogenic activities, in particular, are polluting water systems. With rising population, urbanization, and climate change, water reuse has become a requirement in some areas of the globe, putting pressure on the development of effective water treatment methods for a range of contaminants. High biological oxygen demand (BOD), chemical oxygen demand (COD), oil-grease, and other pollutant loads define dairy sector effluent. Improved technology is r

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Song, Chun Feng, Ke Chen, and Zhong Hua Ni. "Analysis of Influence of Optical Electrode Geometry Effects on Manipulation Using Lateral-Field Optoelectronic Tweezers." Advanced Materials Research 194-196 (February 2011): 2444–47. http://dx.doi.org/10.4028/www.scientific.net/amr.194-196.2444.

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The use of photoconductive film improves the flexibility of dielectrophoretic device and the optoelectronic tweezers provides dynamically reconfigurable optical electrode which provides effective technology in the bio-particles parallel manipulation. In this paper, a circle floating electrode and a castellated shape optical electrode are designed in the lateral-field optoelectronic tweezers. The gradient of the square of the electric field is analyzed as the main parameter. The simulation results show that the floating electrode changes the distribution of the electric field and improves the m

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Mikno, Zygmunt, and Szymon Kowieski. "Micro-resistance spot welding of cylindrical battery packets in FEM calculations." Welding Technology Review 91, no. 8 (2019): 43–52. http://dx.doi.org/10.26628/wtr.v91i8.1039.

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   Due to the increasing demand for connecting cells in packets to power electric tools, bicycles and electric cars, the issue of the quality of battery cells with busbars joints with the use of external heat electrodes is particularly important. The paper presents the conditions of the joining process and modelling results using the DC source. Modelling was performed using commercially available Sorpas 3D software. It included checking the influence of the busbar shape, clamping force, electrode material, the shape of electrode face, the length of the tungsten inserts in the

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Li, Jian Hai, Yu Bin Fu, Jia Liu, An Long Li, and Dong Dong Ma. "Effect of Electrode Shape on Power and Internal Resistance in Benthic Microbial Fuel Cell Material on Marine Sediment." Advanced Materials Research 79-82 (August 2009): 2195–98. http://dx.doi.org/10.4028/www.scientific.net/amr.79-82.2195.

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As the electrode structure has a great effect on the performance of the benthic microbial fuel cell (BMFC), several graphite electrodes with different shapes (column, plane disk and tubular shape for example) are designed in this paper. The maximum power density (Pm) of BMFC-c and BMFC-d are 20.2 mW•m-2 and 14.9 mW•m-2 respectively, and the internal resistances are 333 Ω and 598 Ω respectively. Three cells are composed of three different sizes of graphite tubes, and their internal diameter of these electrodes are 2.5 cm (called it as BMFC-I for short); 1.0 cm (BMFC-II) and 0 cm (column shape f

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Uchida, N., M. Moriyama, A. Kawaguchi, et al. "An RF hyperthermia electrode which generates no edge effect." Journal of Clinical Oncology 27, no. 15_suppl (2009): e22229-e22229. http://dx.doi.org/10.1200/jco.2009.27.15_suppl.e22229.

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e22229 Background: For local hyperthermia cancer therapy, radio frequency (RF) capacitive heating with a pair of electrodes is one of the most effective methods. RF hyperthermia with a conventional 2-dimensional square plate electrode produces an ‘edge effect‘ - the focusing of the RF current resulting in focal overheating. We designed and propose a novel hemispherical-shaped RF capacitive heating electrode that generates no edge effect. Methods: A CAD simulation (COMSOL Multiphysics 3.4) was done, and current and specific absorbance ratio (SAR) distributions of both the hemispherical and the

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Chen, Yan, and Li Bao An. "Simulation of Electric Field for Carbon Nanotube Assembly by Dielectrophoresis." Advanced Materials Research 941-944 (June 2014): 421–24. http://dx.doi.org/10.4028/www.scientific.net/amr.941-944.421.

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In the process of carbon nanotube assembly by dielectrophoresis, the geometry and spacing of electrodes are significantly affecting the assembly precision. In the simulation process, we showed the geometrical shape of conical, round and rectangular electrode and compared the electric field distribution with these electrodes. Compared with single electrode pairs, comb electrodes can achieve high-yield manipulation. Simulation results show that when the distance between adjacent electrode pairs is larger than twice electrode width, it will avoid electric field superimposition. A method of using

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ROMEK, Dawid, Jarosław SELECH, Dariusz ULBRICH, et al. "THE IMPACT OF PADDING WELD SHAPE OF AGRICULTURAL MACHINERY TOOLS ON THEIR ABRASIVE WEAR." Tribologia 290, no. 2 (2020): 55–62. http://dx.doi.org/10.5604/01.3001.0014.3740.

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The paper presents laboratory tests results of wear in the abrasive mass of cultivator coulters subjected to coated electrode pad welding. In the first stage of the test, one type of electrode was used and a padding weld was applied to the coulter surface in three different shape variants (perpendicular, parallel to the abrasive mass stream and V-shaped). The lowest abrasive wear was obtained for samples with a padding weld deposited perpendicularly to the abrasive mass stream. Therefore, in the second stage of the research, this padding weld shape was selected and made using three different e

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LIU, Baowang, Fei QI, Dejiang ZHOU, Lanlan NIE, Yubin XIAN, and Xinpei LU. "A novel flexible plasma array for large-area uniform treatment of an irregular surface." Plasma Science and Technology 24, no. 3 (2022): 035403. http://dx.doi.org/10.1088/2058-6272/ac2725.

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Abstract In this work, we demonstrate a flexible multi-pin plasma generator with movable electrodes, which can change the shape of the electrode array freely, and then provide a large-area uniform plasma for the treatment of surfaces of different shapes. Discharge characteristics including U–I waveforms and discharge images and sterilization performance under three different electrode configurations (flat–flat, flat–curve, curve–curve) are investigated. Very similar results are acquired between the flat–flat configuration and the curve–curve configuration, which is much better than that under

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Sirjani, Shokoufeh, Ali Fattah, and Hamid Haratizadeh. "Effect of Electrode Shape on the Performance of ZnO-Based Ethanol Sensor." Journal of Sensors 2024 (April 23, 2024): 1–10. http://dx.doi.org/10.1155/2024/6696108.

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This paper reports the deposition of Zn on glass substrates using the physical vapor deposition (PVD) method, followed by an annealing process to grow ZnO for gas-sensing applications. Surface morphologies were characterized using scanning electron microscopy, which revealed nanowire shape. The diameter of the wire was about 35 nm. In addition, X-ray diffraction analysis demonstrated that the ZnO nanowire possessed a wurtzite structure with an orientation of (002). Three types of resistive gas sensors with a spiral-square and two-comb electrode geometries were designed, fabricated, and tested

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Mohan, Denesh, Farrah Aida Arris, Mohd Shaiful Sajab, and Nurul Nasuha Mansor. "Facile Synthesis of 3D Printed Tailor-Shape Electrode PLA-GnP for Electrochemical Sensing." Engineering Proceedings 4, no. 1 (2021): 34. http://dx.doi.org/10.3390/micromachines2021-09571.

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Additive manufacturing (AM) has made enormous advancements in technology and materials development, and attention is required for the development of functionalized printed materials. AM can assist in manufacturing complex designed tailored-shaped electrodes efficiently for electrochemical sensing in the food industry. Herein, we used commercial fused deposition modeling (FDM) filament and polylactic acid (PLA) for FDM 3D printing of a self-designed electrode with minimal time and cost compared to commercial electrodes. Surface functionalization on the 3D printed PLA electrode was conducted usi

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Huang, Xianhe, Qiao Chen, Wei Pan, Jianguo Hu, and Yao Yao. "Assessing the Mass Sensitivity for Different Electrode Materials Commonly Used in Quartz Crystal Microbalances (QCMs)." Sensors 19, no. 18 (2019): 3968. http://dx.doi.org/10.3390/s19183968.

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Mass sensitivity is vital for quartz crystal microbalance (QCM)-based data analysis. The mass sensitivity distribution of QCMs may differ greatly depending on the shapes, thicknesses, sizes, and materials of the metal electrodes. This is not considered by the Sauerbrey equation, and has a large potential to cause errors in QCM-based data analysis. Many previous works have studied the effects of shape, thickness, and size of metal electrodes on mass sensitivity. However, it is necessary to continue to clarify the relationship between the mass sensitivity and the electrode material of the QCM. I

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Roueini, Maliheh Azimi, and Amal Kabalan. "Numerical Investigation of a Microfluidic Biosensor Based on I-Shaped Micropillar Array Electrodes." Sensors 24, no. 24 (2024): 8049. https://doi.org/10.3390/s24248049.

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Micropillar array electrodes offer several advantages, such as enhanced mass transport, lower detection limits, and the potential for miniaturization, making them instrumental in the design and fabrication of electrochemical biosensors. The performance of these biosensors is influenced by electrode geometry, including parameters like shape and height, which affect surface area and overall sensitivity. In this study, we designed a microfluidic electrochemical biosensor featuring micropillar array electrodes, modeled in COMSOL Multiphysics. We compared the response currents of I-shaped and cylin

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Kim, Hyelim, Soohyeon Rho, Sora Han, Daeyoung Lim, and Wonyoung Jeong. "Fabrication of Textile-Based Dry Electrode and Analysis of Its Surface EMG Signal for Applying Smart Wear." Polymers 14, no. 17 (2022): 3641. http://dx.doi.org/10.3390/polym14173641.

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Ag/AgCl hydrogel electrodes, which are wet electrodes, are generally used to acquire bio-signals non-invasively. Research concerning dry electrodes is ongoing due to the following limitations of wet electrodes: (1) skin irritation and disease when attached for a long time; (2) poor adhesion due to sweat; and (3) considerable cost due to disposable use. Accordingly, electrodes in film, embroidery, and knit forms were manufactured from conductive sheets and conductive yarns, which are typical textile-type dry electrode materials, using different manufacturing methods and conditions. The prepared

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Li, Zhi Yong, Pei Yu Dong, and Yi Gang Wang. "Experiment Study on Micro-Seam in Electrochemical Machining." Key Engineering Materials 584 (September 2013): 15–19. http://dx.doi.org/10.4028/www.scientific.net/kem.584.15.

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In this study, we firstly developed a numerical electrochemical micro-machining (EMM) setup. Furthermore, the effects of five vital process parameters, applied voltage, electrolyte type, electrode shape and diameter, electrode feed rate on micro-seams machining accuracy and process stability were evaluated. The experimental results show that: Wire electrodes machining accuracy is higher than that of sheet electrode. With the wire electrodes diameter decreased from 0.2mm to 0.06mm, micro-seam width is reduced by 36.55%. With the wire electrode feed rate increased from 0.2mm/min to 0.6mmm/min, m

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Katagiri, Takeru, Sogo Kodama, Kotaro Kawahara, Kazuki Umemoto, Takanori Miyoshi, and Tadachika Nakayama. "Response Characteristics of Pressure-Sensitive Conductive Elastomer Sensors Using OFC Electrode with Triangular Wave Concavo-Convex Surfaces." Sensors 24, no. 7 (2024): 2349. http://dx.doi.org/10.3390/s24072349.

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The sensor response of pressure-sensitive conductive elastomers using polymeric materials can be adjusted by altering the type and quantity of fillers used during manufacturing. Another method involves modifying the surface shape of the elastomer. This study investigates the sensor response by altering the surface shape of an electrode using a readily available pressure-sensitive conductive elastomer. By employing an oxygen-free copper electrode with a flat surface (with surface roughness parameters Ra = 0.064 μm and Rz = 0.564 μm) as a baseline, we examined the sensor system’s characteristics

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Zhu, Li, Hui Jiang, Fan Yang, Hanwu Luo, Wenzhen Li, and Jianjun Han. "FEM Analysis and Sensor-Based Measurement Scheme of Current Distribution for Grounding Electrode." Applied Sciences 10, no. 22 (2020): 8151. http://dx.doi.org/10.3390/app10228151.

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The current distribution of the grounding electrode in a high-voltage direct current (HVDC) transmission system affects the state of power equipment in its vicinity, which depends on the soil resistivity and shape of the grounding electrode. In this paper, current distribution in the vicinity of an ±800 kV grounding electrode is investigated by simulation and experiments. Firstly, the model to calculate the current distribution with two typical frozen soils is set up, and simulation models and experimental platforms are established; meanwhile, the finite element method (FEM) is used to calcula

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Xu, Qinwen, Jie Zhou, Yan Liu, et al. "AlN/Al_0.8Sc_0.2N film S₀ mode lamb wave resonator with spurious mode suppression." Journal of Applied Physics 132, no. 8 (2022): 084503. http://dx.doi.org/10.1063/5.0099896.

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High-performance Lamb wave devices have a vast application prospect in modern wireless communication systems. This paper proposes a method of spurious mode suppression by reducing the overlap length of electrodes according to modal shapes. The AlN/Al0.8Sc0.2N composite film is used to achieve a trade-off between electromechanical coupling coefficient [Formula: see text] and Q factor. The finite-element analysis (FEA) is employed to study the performance of the lowest-order symmetric mode (S0) Lamb wave resonators (LWRs), and the FEA result shows a spurious mode in the impedance response. Accor

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Rho, Soohyeon, Hyelim Kim, Daeyoung Lim, and Wonyoung Jeong. "Fabrication and Evaluation of Embroidery-Based Electrode for EMG Smart Wear Using Moss Stitch Technique." Sensors 23, no. 21 (2023): 9012. http://dx.doi.org/10.3390/s23219012.

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Wearable 2.0 research has been conducted on the manufacture of smart fitness wear that collects bio-signals through the wearing of a textile-based electrode. Among them, the electromyography (EMG) suit measures the electrical signals generated by the muscles to check their activity, such as contraction and relaxation. General gel-type electrodes have been reported to cause skin diseases due to an uncomfortable feel and skin irritation when attached to the skin for a long time. Dry electrodes of various materials are being developed to solve this problem. Previous research has reported EMG dete

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Alvarado-González, Montserrat, Edgar Garduño, Ernesto Bribiesca, Oscar Yáñez-Suárez, and Verónica Medina-Bañuelos. "P300 Detection Based on EEG Shape Features." Computational and Mathematical Methods in Medicine 2016 (2016): 1–14. http://dx.doi.org/10.1155/2016/2029791.

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We present a novel approach to describe a P300 by a shape-feature vector, which offers several advantages over the feature vector used by the BCI2000 system. Additionally, we present a calibration algorithm that reduces the dimensionality of the shape-feature vector, the number of trials, and the electrodes needed by a Brain Computer Interface to accurately detect P300s; we also define a method to find a template that best represents, for a given electrode, the subject’s P300 based on his/her own acquired signals. Our experiments with 21 subjects showed that the SWLDA’s performance using our s

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Dr., Maan A. Tawfiq* Asaad Ali Abbas. "EFFECT OF CURRENT AND PULSE ON TIME ON MRR AND EWR FOR DIFFERENT INNER ELECTRODE SHAPE OF EDM PROCESS." Global Journal of Engineering Science and Research Management 5, no. 8 (2018): 13–26. https://doi.org/10.5281/zenodo.1407127.

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Electrical Discharge Machining (EDM) process is a non-traditional cutting for metals removing which is relied upon the basic fact that negligible tool force is produced during the machining process.   The most significant factors of the cutting parameters are the material removal rate (MRR), electrode ware rate (EWR).The impact of various parameters such as (current and pulse-on time) are studied on the MRR, EWR in the present research. Five hollow geometric shapes (cylindrical solid, square, triangle, polygon and finally circular) were run by using EDM machine which used for cutting HSS

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Ertas, Yavuz Nuri, Derya Ozpolat, Saime Nur Karasu, and Nureddin Ashammakhi. "Recent Advances in Cochlear Implant Electrode Array Design Parameters." Micromachines 13, no. 7 (2022): 1081. http://dx.doi.org/10.3390/mi13071081.

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Cochlear implants are neural implant devices that aim to restore hearing in patients with severe sensorineural hearing impairment. Here, the main goal is to successfully place the electrode array in the cochlea to stimulate the auditory nerves through bypassing damaged hair cells. Several electrode and electrode array parameters affect the success of this technique, but, undoubtedly, the most important one is related to electrodes, which are used for nerve stimulation. In this paper, we provide a comprehensive resource on the electrodes currently being used in cochlear implant devices. Electro

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Garba, Elhuseini, Ahmad Majdi Abdul-Rani, Nurul Azhani Yunus, et al. "A Review of Electrode Manufacturing Methods for Electrical Discharge Machining: Current Status and Future Perspectives for Surface Alloying." Machines 11, no. 9 (2023): 906. http://dx.doi.org/10.3390/machines11090906.

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In electrical discharge machining (EDM), the tool electrode is one of the substantial components of the system, and it ensures the success or failure of the EDM process. The electrode’s role is to conduct electrical charges and erode the workpiece to the desired shape. Different electrode materials have different impacts on machining. Certain electrode materials remove metal quickly but wear out rapidly, while others degrade slowly but the material removal is too slow. The choice of the electrode has an influence on both the mechanical properties, such as metal removal rate (MRR), wear rate, s

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Wang, Min-Haw, and Wen-Hao Chang. "Effect of Electrode Shape on Impedance of Single HeLa Cell: A COMSOL Simulation." BioMed Research International 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/871603.

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In disease prophylaxis, single cell inspection provides more detailed data compared to conventional examinations. At the individual cell level, the electrical properties of the cell are helpful for understanding the effects of cellular behavior. The electric field distribution affects the results of single cell impedance measurements whereas the electrode geometry affects the electric field distributions. Therefore, this study obtained numerical solutions by using the COMSOL multiphysics package to perform FEM simulations of the effects of electrode geometry on microfluidic devices. An equival

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Kuwana, Yoshihiko. "Epoxy-Based Multichannel Microelectrode for Insect Biopotential Recording." Journal of Robotics and Mechatronics 18, no. 4 (2006): 499–503. http://dx.doi.org/10.20965/jrm.2006.p0499.

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Microelectrodes are being developed in order to record action biopotentials of insects. Silicon was conventionally used as the electrode material and microelectrodes were fabricated by anisotropic etching and reactive ion etching. Because electrode microprobe shape and size were very difficult to control, we propose a novel pin-shaped multichannel microelectrode. Epoxy-based UV photoresist must be used as the electrode material to facilitate the control of the microelectrode shape and size. Analysis of the electrical properties of this electrode showed that it has properties excellent enough t

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Nguyen, Thanh Tan, Van-Thuc Nguyen, Van Tron Tran, et al. "Insight into Various Casting Material Selections in Rapid Investment Casting for Making EDM Electrodes." Micromachines 16, no. 5 (2025): 595. https://doi.org/10.3390/mi16050595.

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Investment casting is a precision casting technology that can produce complex shapes from various materials, particularly difficult-to-cast and difficult-to-machine metallic alloys. Meanwhile, electrical discharge machining (EDM) is a well-known technique for producing ultra-precise mechanical parts, and electrode quality is crucial. Few studies have explored how rapid prototyping (RP) pattern generation and investment casting influence the final product’s shape, dimensions, and surface roughness. This study investigates EDM electrode fabrication using investment casting and RP-generated epoxy

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Liu, Hui, Ming Gang Wang, Xiao Qing Zhang, and Wei Dong. "Effect of Electrode Tip Shape on Strength and Microstructure in Resistance Spot Welding of AZ31B Magnesium Alloy." Advanced Materials Research 239-242 (May 2011): 2528–32. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.2528.

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The effect of electrode tip shape on strength and microstructure of weld spot in resistance spot welding of AZ31B Mg alloy was studied by experimental investigations. The results show that electrode tip shape which leads to the difference of contact area,current density and temperature at the sheet/ sheet interface have dominant effect on tensile shear strength and microstructure of weld spot. It was found that weld spot had lower strength and smaller deformation by the spherical-flat electrodes compared to the double truncated cone electrodes, and better property of weld joints can be obtaine

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Mukesh, Verma, and Manna Alakesh. "Experimental Investigation of the Effects of Electrode Shape on ECSM Performance during Machining of Alumina Ceramics." International Journal of Engineering and Management Research 8, no. 1 (2018): 65–72. https://doi.org/10.5281/zenodo.3362742.

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Advanced ceramic material like alumina ceramic is continuously gaining the industrial acceptance in various applications such as cutting tools, electrical and thermal insulators, turbine blades, electronic devices etc. due to the superior properties of such ceramic. The alumina ceramic has different superior qualities such as high hardness, refractoriness, wear and corrosion resistance, high temperature withstands capability, low thermal coefficient of expansion etc. But machining of alumina ceramics is very difficult because of its brittleness and electrically nonconductive. Keeping in view,

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