Chapter 279: Fuel Cell!
The team led by 58 Reading Victor now has more than 70 people, and in the past two years, it has made great breakthroughs in the research and development of electrode materials, proton exchange membranes, catalysts and hydrogen storage materials for hydrogen fuel cells.
Especially in the research and development of proton exchange membranes, the Soviet Union has carried out decades of research and development in this area, accumulated a lot of experience, and Viktor led the team to prepare the proton exchange membrane with a relatively mature process.
At present, only DuPont of the United States and a domestic company in Japan have mastered the technology of high-grade proton exchange membranes, and the products of this Japanese company are not sold abroad, and although the Soviet Union has also mastered this preparation method, it has only been used in military fields such as aerospace and submarines for a long time, and there are no civilian products at all.
This time, the R&D team also applied for a technical patent for proton exchange membranes, but the cost of the proton exchange membranes prepared now is very high, and there is still a long way to go if they are to be used in the field of civilian products.
However, to Yang Jie's surprise, the preparation of the catalyst was greatly beyond his expectations, and now platinum is a very expensive material used in the preparation of catalysts at home and abroad, and the team led by Victor was inspired by the chemical growth method for the preparation of microspheres, and also used this method to prepare cobalt-iridium alloy materials that replace platinum as catalyst materials.
As a reborn, Yang Jie knew that in his previous life, it took almost ten years for scientists to find a material that could replace platinum as a catalyst, although he did not know the proportion of iridium cobalt alloy as a catalyst, but Victor was an expert in this area.
At his suggestion, Victor and others spent almost two years doing hundreds of experiments to find the formula ratio of iridium cobalt alloy, and finally achieved the same catalytic efficiency as platinum, and the price of iridium was only half of platinum.
At present, the preparation of platinum catalyst is made into an alloy with a carrier material, and then drawn and woven into a net, made into a mesh with a ball or honeycomb, and then prepared by immersion after loading platinum material and then reducing the preparation, which is very complex, and the efficiency of the catalyst will also be affected by the process problems when preparing it, while the chemical culture and growth method makes the effective area and pore structure of the iridium cobalt alloy on the carrier very good, and the preparation time is also shortened from several months to less than a week.
Of course, Yang Jie was overjoyed by this result, the cost of proton exchange membranes is very expensive, but the use of platinum catalysts accounts for 70% of the cost of fuel cells, and now it has been reduced to one-third, which means that the cost has been reduced by half at once.
According to the previous production cost of fuel cells, it takes 1.5 million to produce a 100 kilowatt fuel cell, and now the cost has been reduced by half, requiring 750,000, but with the increase in production, as long as more than 1,000 units are produced a year, the cost will drop to six to eighty percent, and if the annual output of 100,000 units, the cost will drop to one-tenth of the original.
Victor is now leading the team to make a 5,000-watt fuel cell that is running at full power, has been running for almost six months, the temperature has been maintained at more than 70 degrees, the voltage shown is very stable, there is no sign of attenuation, and the current of the fuel cell is 500 amperes.
In order to test the lifetime of the proton exchange membrane, the fuel cell will be tested until the life of the proton exchange membrane is exhausted.
"Yang Shao, this test process is very long, and it will take about a year to know if the proton exchange membrane can meet your goal of 10,000 hours without the performance of the proton exchange membrane degrading. ”
Victor said cautiously.
No way, for this test, four kilograms of hydrogen will be consumed every hour, that is, more than 40 cubic meters of hydrogen, according to the current two yuan per cubic meter, 100 yuan will be consumed in an hour, and hydrogen alone has consumed 500,000 yuan in the past six months, plus the consumption of instruments and equipment and materials and personnel expenses, more than 200 million yuan have been smashed in two years.
And there are still a lot of problems to be solved before these technologies are commercialized, and it will take at least a few years before they can be commercialized.
Because this young boss wants to give priority to the use of fuel cells in cars, even if the life of the proton exchange membrane can be the same as the service life of the current vehicle, there are still many problems to be solved, such as the time for fuel cell start-up needs to be shortened, how to realize the lightweight of hydrogen storage containers, how to realize hydrogen refueling, how to further improve the conversion efficiency of fuel cells, even if the power of fuel cells reaches the power of automobile engines, the car platform equipped with fuel cells also needs to be redesigned, drive motors need to be designed, and various control software needs to be writtenIt is necessary to design a new automotive platform from beginning to end, and after the platform comes out, it will have to go through at least two or three years of testing, and there are many problems that need to be solved in the middle, and this series of research and development will be smashed into at least two billion yuan.
Victor now gets an annual salary of five or six hundred thousand yuan a year, but this research and development has not seen economic benefits for the time being, and he is also a little worried that this young boss will suddenly give up if he gets impatient one day.
Yang Jie also saw Victor's worries, and said with a smile: "Don't worry, I have identified the technical route of hydrogen and oxygen fuel cells, and the company will continue to support this project until the fuel cell technology is commercialized." ”
"You have now made a breakthrough in the iridium cobalt alloy catalyst, this technology can be used in the current automobile exhaust treatment device, and it can be industrialized immediately, although this technology company will not apply for a patent to the state as a secret, but the company will issue rewards to everyone according to the market size. In addition, the patent of perfluorinated proton exchange membrane technology can also be used in industrial sewage treatment and medicine, and it is also very promising for fuel cells. ”
Victor and others were surprised in their eyes, and when they developed these, they basically considered how to improve the performance of fuel cells in all aspects, and rarely considered taking out these individual technologies for use in many fields.
Yang Jie knows that now China is also making efforts in fuel cells, and the country has also invested part of the funds, and there are almost several companies and several research institutes and universities are developing fuel cells, but the country has invested less than hundreds of millions of dollars in this over the years, and these universities and R&D institutions cannot share technology with each other, more to consider the completion of national tasks, and the commercialization capacity of scientific and technological achievements is very poor.
Not to mention, the domestic fuel cell technology is better than the god company is now also preparing to develop a 5,000-watt stack, as if a few years later, the cumulative operation of only 500 hours to complete the task assigned by the state, and later the fuel cell on a prototype car for testing, the prototype car ran to more than 6,000 kilometers when the performance of the fuel cell attenuated, according to the scrapping standard of a car to run at least 400,000 kilometers, the life of the proton exchange membrane should reach at least 10,000 hours, according to the domestic level, the life of the proton exchange membrane can only be achieved 2,000 hoursDuPont in the United States and the company in Japan are now able to do 10,000 hours, and the gap is very obvious.
The fuel cells before the Soviet Union were basically used in submarines, especially in the technology of perfluorinated proton exchange membranes, which were not much behind the United States and Japan, and the life span had reached 6,000 hours in the past.
In the past two years, Victor has also improved the preparation technology of the proton exchange membrane, and he is very confident that he can do a good job of more than 10,000 hours of life, but the test results can only get accurate data until the trial fuel cell is continuously tested and the fuel cell cannot work.
With the technological breakthroughs in various aspects, Victor needs to do a few more fuel cells like this, and continue to run and test them. 58 Read
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