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Topic Review
Biography
Topic Review
Electricity Usage Settlement System Based on Cryptocurrency Instrument
The development of digital techniques, including blockchain-based mechanisms, has meant that an increased interest in blockchain-based solutions is to be expected. Blockchain and similar approaches are characterised by decentralisation, so they are concurrent with the trends of the transforming power sector. Decentralised energy generation based on a high proportion of prosumer installations requires the implementation of a new settlement system for grid activities related to electricity use. The first projects of such systems based on a dedicated cryptocurrency have emerged. Based on these, the general concept of such a system with its own cryptocurrency called CCE is presented, including variants implementing net-metering and net-billing.
452
09 Jun 2023
Topic Review
Electrification of Offshore Oil and Gas Production
Subsea oil and gas (O&G) exploration demands significantly high power to supply the electrical loads for extraction and pumping of the oil and gas. The energy demand is usually met by fossil fuel combustion-based platform generation, which releases a substantial volume of greenhouse gases including carbon dioxide (CO2) and methane into the atmosphere.
634
14 Aug 2023
Topic Review
Electrification of Transportation in Islands
Electric vehicles (EVs) represent an important socio-economic development opportunity for islands and remote locations because they can lead to reduced fuel imports, electricity storage, grid services, and environmental and health benefits. This entry presents an overview of opportunities, challenges, and examples of EVs in islanded power systems, and is meant to provide background to researchers, utilities, energy offices, and other stakeholders interested in the impacts of electrification of transportation. The impact of uncontrolled EV charging on the electric grid operation is discussed, as well as several mitigation strategies.
569
16 Aug 2021
Topic Review
Electro-Thermal Modeling of Electric Motor Drive
Electro-thermal modeling is a process of creating a mathematical model to simulate the electrical and thermal behavior of an electric motor drive system. This modeling technique is used to predict the performance of the motor under different operating conditions and to optimize its design for efficiency and reliability. Electric motor drives are used in a wide range of applications, including industrial machinery, electric vehicles, and renewable energy systems. However, these systems can suffer from decreased efficiency and reliability due to the impact of temperature on their performance. Electro-thermal modeling is used to address these issues by accurately simulating the motor's behavior under different temperature conditions. The modeling process involves using software tools to create a mathematical model that includes the electrical and thermal properties of the motor. This model can then be used to simulate the motor's behavior under different loads and temperatures, allowing engineers to predict the motor's performance and optimize its design. One key advantage of electro-thermal modeling is that it allows engineers to identify potential issues in the motor's design and operation before they occur in the real world. By analyzing the motor's behavior under different conditions, engineers can identify areas where the motor is operating inefficiently or experiencing excessive temperatures. They can then modify the motor's design or operating conditions to improve its efficiency and reliability. Thus, electro-thermal modeling is an essential tool for designing and optimizing electric motor drive systems. By accurately simulating the motor's behavior under different conditions, engineers can create more efficient, reliable, and long-lasting motor systems that meet the needs of various applications.
893
04 May 2023
Topic Review
Electroactive Polymers
Electroactive polymers (EAPs) are a versatile class of electrically deformable polymers. These polymers have the ability to deform when excited by electrical potentials due to their inherent electro-mechanical properties. The piezoelectric couplings in EAPs provide them with unique capabilities that are of significant interest in actuators and soft robotics.
3.2K
12 Oct 2021
Topic Review
Electrocardiogram Sensor
It is well-known that cardiovascular disease is one of the major causes of death worldwide nowadays. Electrocardiogram (ECG) sensor is one of the tools commonly used by cardiologists to diagnose and detect signs of heart disease with their patients. Since fast, prompt and accurate interpretation and decision is important in saving the life of patients from sudden heart attack or cardiac arrest, many innovations have been made to ECG sensors. However, the use of traditional ECG sensors is still prevalent in the clinical settings of many medical institutions.
3.3K
10 Feb 2021
Topic Review
Electrocatalysts for Hydrogen Production
Among the various fuel sources, hydrogen is often referred to as the “fuel of the future”, with a high energy density of 140 MJ kg−1, which is more than twice that of conventional solid fuels (50 MJ kg−1). Typically, electrocatalysts are chosen based on their specific characteristics such as particle size, pore structure, good electrical conductivity with high surface area, and corrosion stability under oxidizing conditions.
311
26 Sep 2023
Topic Review
Electrocatalytic CO
2
Reduction to Formate and Formic acid
The electrocatalytic CO2 reduction reaction (CO2RR) to formic acid has gained significant attention as a potential environmentally friendly approach to reducing CO2 emissions and producing carbon-neutral liquid fuels. However, several challenges must be addressed to achieve the production of high-purity and high-concentration formic acid through CO2RR. One major challenge is the formation of a formate mixture instead of pure formic acid in conventional reactors. This requires costly downstream purification and concentration processes to obtain pure formic acid.
503
19 Jun 2023
Topic Review
Electrocatalytic Reactions for Converting CO2 to Value-Added Products
Carbon dioxide (CO2) emissions are an important environmental issue that causes greenhouse and climate change effects on the earth. Nowadays, CO2 has various conversion methods to be a potential carbon resource, such as photocatalytic, electrocatalytic, and photo-electrocatalytic. CO2 conversion into value-added products has many advantages, including facile control of the reaction rate by adjusting the applied voltage and minimal environmental pollution. The development of efficient electrocatalysts and improving their viability with appropriate reactor designs is essential for the commercialization of this environmentally friendly method.
285
28 Jun 2023
Topic Review
Electrochemical Applications in Buildings
The integration of distributed renewable energy technologies (such as building-integrated photovoltaics (BIPV)) into buildings, especially in space-constrained urban areas, offers sustainable energy and helps offset fossil-fuel-related carbon emissions. However, the intermittent nature of these distributed renewable energy sources can negatively impact the larger power grids. Efficient onsite energy storage solutions capable of providing energy continuously can address this challenge. Traditional large-scale energy storage methods like pumped hydro and compressed air energy have limitations due to geography and the need for significant space to be economically viable. In contrast, electrochemical storage methods like batteries offer more space-efficient options, making them well suited for urban contexts.
329
29 Dec 2023
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