How Toyota Has Lowered the Cost of the Hydrogen Fuel Cell | MIT Technology…

10 мая 2015 | Author: | No comments yet »

How Toyota Will Be First a Fuel-Cell Car

Why It Matters

Hydrogen could greatly reduce gas emissions. They emit no dioxide or any other pollution their tailpipes.

Hydrogen . Toyota plans to display new hydrogen fuel-cell concept car at the Motor Show.

Toyota it’s made several to hydrogen fuel cells will make them cheaper, and will allow the to sell a car using the low-pollution in 2015—years before its competitors.

The car be expensive: between $50,000 and But that’s a big improvement over the cost of experimental fuel-cell in years past.

Toyota will display a version of the car—featuring a fuel instead of an engine—this month at the Motor Show. While the car might not outwardly resemble the car, the fuel-cell system will be worth looking at it will likely be similar to the one in the version. Toyota says the system is smaller and uses less of an expensive ingredient—platinum—than versions.

Like a battery, a cell produces electricity. But a battery, it is fed by a tank of hydrogen. the fuel cell, platinum as a catalyst that facilitates between the hydrogen and oxygen, electricity that powers the car and vapor that comes out of the And while batteries in electric can take hours to recharge, a tank can be refilled in about the it takes to fill a conventional gas

However, that advantage is for now because there aren’t places to refuel a hydrogen Other automakers, including Motors, plan to sell vehicles starting around when costs will have come down more, and when there be more places to refuel. governments are funding hydrogen stations.

Toyota WiLL

Although there are challenges to making fuel for mass-market vehicles, automakers say could eventually go a long way meeting ever-stricter fuel and greenhouse gas regulations around the as well as requirements that a fraction of the cars they in places such as California no pollution from their Fuel-cell vehicles might be attractive than battery-powered because, in addition to faster times, they typically a longer driving range “Why Toyota and GM Are Pushing Cars to Market ” and “Ford, and Nissan Commit to Fuel ”).

Fuel-cell vehicles could let consumers take advantage of natural gas in places such as the States, since natural gas is the expensive source of hydrogen. producing hydrogen from gas releases carbon dioxide, the would still be about as much as those from cars today.

Toyota has decreased the amount of platinum in fuel cells and could get the amount down to a level comparable to what cars have in their catalytic says Justin Ward. manager of powertrain system at the Toyota Technical Center in California. Fuel-cell vehicles need catalytic converters they don’t emit

Toyota reduced the amount of by modifying the catalyst to make it effective (the company saying exactly how) and by precise equipment for applying the to ensure that none is “Years ago we were literally spatulas and applying the platinum,” says.

Another reason the is cheaper is that it requires fuel cells to be stacked than previous concept did. Toyota accomplished in part by improving the design of the The electricity-generating reactions inside the take place at two electrodes by a membrane that allows ions to pass from one of the cell to the other. Toyota modified the membrane to allow to pass more freely, increases the amount of power each fuel cell can

Toyota is extending the cars’ between fill-ups by borrowing from its hybrid vehicles. cells, like conventional are at their most efficient they run at a steady rate, than quickly increasing or power output during and braking. So Toyota is adding a to the hydrogen car to provide boosts of for acceleration, reducing the strain on the cell.

Toyota WiLL
Toyota WiLL

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