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A device known as a fuel cell produces electricity through a chemical reaction. The anode and cathode electrodes are each present in a fuel cell. At the electrodes, chemical processes occur that result in electricity.
A catalyst that quickens the processes at the electrodes and an electrolyte that transports electrically charged particles from one electrode to the other are also components of every fuel cell.
The primary fuel for fuel cells is hydrogen, but oxygen is also necessary. The fact that fuel cells produce power with so little pollution is one of their main selling points.
A large portion of the hydrogen and oxygen needed to produce electricity eventually mix to make water, which is a harmless byproduct.
Proton-conducting polymer membranes are used as the electrolyte in polymer electrolyte membrane (PEM) fuel cells, also known as proton exchange membrane fuel cells. Usually, the fuel is hydrogen.
In order to adapt their output to changing power demands, these cells work at relatively low temperatures. The best fuel cells to use to power cars are PEM fuel cells.
They can also be utilized to generate stationary power. They cannot, however, directly burn hydrocarbon fuels like natural gas, liquefied natural gas, or ethanol because of their low operating temperature.
For usage in a PEM fuel cell, these fuels need to be transformed into hydrogen in a fuel reformer.
The Global Fuel cell membrane market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
White Cement and Construction Materials PSC received a USD 101.10 million investment from cement manufacturer UltraTech Cement for a 29.39 percent equity stake in the UAE-based RAK Cement Co.
An integrated cement factory with a 1.2 million tone per year capacity is being built in Georgia, Eastern Europe, by Pioneer Cement Industries (“Pioneer Cement”), a subsidiary of Asyut Cement Company SAOG (RCC), based in Oman.
A group of scientists from Pennsylvania State University and MIT have been working to create innovative membranes with enhanced features for use in batteries, fuel cells, and other energy conversion and storage systems.
The team has created a material specifically made for the demands of advanced fuel cells after years of work on a novel method of making membranes through a distinct layer-by-layer assembly.
Advanced fuel cells are devices that can convert fuel to electricity without combustion, thereby avoiding the emission of any pollutants, though they still release carbon dioxide.
The actual properties of this substance have now been determined through laboratory research, and they support the predictions and highlight the material’s potential. The journal Chemistry of Materials just published a paper on the findings.
Both batteries and fuel cells use electrolytes, which are substances that are rich in ions (atoms or molecules with a net electrical charge), which facilitate the flow of an electric current through them.
This substance is sandwiched between two electrodes, one of which as a positive electrode (referred to as the cathode) and the other as a negative electrode (referred to as the anode), in both batteries and fuel cells.
In contrast to batteries, which only have one channel, fuel cells have channels on both sides that transfer oxygen or air over the cathode and a fuel (often hydrogen or methanol) over the anode.
Because of this, fuel cells can continue to generate energy indefinitely as long as fuel and air are available.
The electrolyte membrane in a fuel cell also serves as a barrier to prevent gasoline from moving from one side of the cell to the other.
Such migration can significantly reduce efficiency by contaminating the cell.
The fact that the novel membranes created by the MIT-developed technique are particularly effective at preventing the migration of methanol fuel is a significant benefit.
Because they effectively convert fuel to electricity without combusting, direct-methanol fuel cells are seen as a viable source of clean energy.
As a result, they don’t release any pollutants into the atmosphere. Additionally, unlike certain fuel cells that use hydrogen, methanol is a liquid that is simple to store and carry in regular tanks.