https://safirsoft.com Can we use big batteries to power our train?

New analysis shows economic conditions are on the verge of collapse.

With the rapid development of electric vehicles, we will likely reach a point where carbon emissions from a form of transportation can be eliminated. But cleaning the remaining main patterns - plains, trains and ships - seems more difficult. New analysis shows we have a pretty good idea of ​​how to improve one of them.

This study, conducted by California-based researchers, investigates the potential for electrification of rail transport. He understands that the technology is almost ready and, under the right conditions, the economy is on the verge of collapse. In addition, placing giant batteries on freight cars can provide interesting side benefits. In a typical year, these locomotives produce about 35 million tons of carbon dioxide, and the rest of the pollutants they produce are estimated to cause 1,000 premature deaths and $6.5 billion in health damage. Cases. Options to reduce train emissions include electrifying the entire system with overhead wires, but this requires significant upfront costs and ongoing maintenance costs. An alternative might be to fuel fuel cells with hydrogen. This solution is potentially relatively inexpensive, but requires significant hydrogen production capacity, which ideally includes water splitting using renewable electricity. This capacity will likely take years to materialize. Advertising

The last option is to use batteries that can be integrated with the existing system. Most diesel locomotives use diesel to run an electric generator, which then feeds the engines. Changing wiring may allow locomotives to accept an external source of energy, such as batteries.

Scientists considered this possibility a few years ago, but it was ruled out for technical and economic reasons. Since then, batteries have grown exponentially, and their prices have fallen by 87% in the past decade. The researchers behind this new study concluded that it's worth looking at again: Battery on wheels In the United States, a typical freight vehicle averages 241 kilometers per day. a job. So the researchers made the battery big enough to go that distance as part of a large freight train (four locomotives, 100 freight wagons, and about 7,000 tons of cargo). They found that lithium iron phosphate allowed each of the four locomotives to be serviced by a freight wagon configured as a giant battery. The battery occupies only 40% of the volume of a typical boxcar and is seven tons less than the weight applied to existing ramps.

Due to direct energy efficiency, the train consumes only half of it. The energy consumed by the internal combustion engine that drives an internal generator. And while the above-average flight doesn't operate on a single charge, freight trains usually stop several times a day to change crew and refuel, providing an opportunity to increase the range with some fast freight. And if a longer rest period can be obtained, battery-powered vehicles can be replaced.

While the system does not require new locomotives, the batteries and rechargeable infrastructure it does create significant upfront costs. The researchers combined all of these costs and then calculated the price of the electricity needed to make the total price of the product competitive with diesel.

Can we use big batteries to power our train?
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