A fuel cell is a device that generates electricity by a chemical reaction. Every fuel cell has two electrodes, one positive and one negative, called, respectively, the anode and cathode. The reactions that produce electricity take place at the electrodes. Every fuel cell also has an electrolyte, which carries electrically charged particles from […]

Natural gas is a major source of energy. Liquefied natural gas or LNG is natural gas that has been converted to a liquid form for the ease of storage or transport by cooling natural gas to approximately −162 °C. Afterwards, it is stored at essentially atmospheric pressure. Liquefied natural gas takes up about one six hundredth the volume of […]

Solar Ingot Wafer is a kind of raw materials used for solar cell. Generally, this material mainly by the high-purity polysilicon feedstock crystal or ingot obtained by pulling ingots, after cutting by the steel wire into very thin (200 microns) round or square of the film which is called silicon wafer. The increasing capacity and production of […]

Despite the progress made to date by commercially available lithium ion (Li-ion), advanced lead-acid, flow, and molten salt batteries, the path toward the commercialization of new battery chemistries continues. The next-generation advanced battery chemistries at laboratory-scale research or pilot-scale production levels today include lithium sulfur […]

Electric Propulsion (EP) is a class of space propulsion which makes use of electrical power to accelerate a propellant by different possible electrical and/or magnetic means. An electrically powered spacecraft propulsion system uses electrical energy to change the velocity of a spacecraft. Most of these kinds of spacecraft propulsion systems work […]

WTE (Waste-to-Energy) or energy-from-waste (EfW) is the process of generating energy in the form of electricity and/or heat from the primary treatment of waste. WTE is a form of energy recovery. Most WTE processes produce electricity and/or heat directly through combustion, or produce a combustible fuel commodity, such as methane, methanol, ethanol […]

PV Inverter is one power transfer apparatus, which is used to transfer the DC power generated through PV to AC power. For the reverse process of rectification, the apparatus is so called "inverter".When solar cells are disposed in sunlight, it produces direct curren. However the supply system in the form of DC power has an extremely limited. For […]

Medium Voltage Power Cable is for power transmission and distribution in the 1-35KV voltage circuit in IEC standards. For the UK and South Africa standards, the voltage is about 3.8/6.6-19/33 KV. The Medium Voltage Power Cable industry has a rapid development in the past years. And recently, for the fast development of renewable energy, Medium […]

Telecom Power Systems consist of DC power systems,AC power systems and grounding system. The essential parts of a system are rectifiers, distribution unit and a power system controller. In direct current (DC) power systems, a rectifier converts alternating current (AC) to DC and provides the power necessary to charge batteries. In AC power systems, […]

Solar PV is one kind of device made from crystalline silicon or thin film which converts solar energy into electricity by a process known as the photovoltaic effect. The key indicator for solar PV is conversion efficiency. China is still the biggest market in the global Solar PV market, about 50% market share in 2015, the annual production is more […]