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Chapter 578: Thoughts on Solar Cells

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When Matt and Edwards were studying solar energy technology a long time ago, they had always been concerned about how to improve the efficiency of solar energy conversion.

In fact, the issue of solar energy conversion efficiency has always been the biggest problem plaguing the entire field of solar energy research.

In the earliest days, the solar cell materials used by people were all special coatings, which absorbed the thermal energy of the sun and then converted this thermal energy into kinetic energy.

Later, scientists converted this thermal energy into chemical energy, stored it, and then converted it into kinetic energy.

For more than a hundred years, human scientists have done a lot of research on the research and conversion of solar energy and used various means to achieve their goals.

It was not until the 1950s and 1960s of the last century, with new breakthroughs in chemical science and physical science, that human scientific research on solar energy truly became a reality.

Especially with the breakthroughs made in the field of batteries and materials science, human scientists have made greater progress in the field of solar energy conversion.

Since the 1970s and 1980s, human scientists have begun trying to use silicon wafers as materials for a new generation of solar converters.

Because silicon wafers are semiconductor materials, their electrical conductivity is not particularly good, but they have unique advantages in absorbing solar energy and then storing it, as well as in numerical control management.

Therefore, in recent decades, silicon wafers have increasingly become an important part of solar energy conversion technologies and methods. They are widely used in solar photovoltaics for research in this area.

However, although silicon wafers are increasingly being made into various photovoltaic materials for solar energy conversion, in terms of solar energy conversion efficiency, they have not improved the current solar energy conversion rate much.

The current solar converters manufactured by humans, even if they use the best silicon wafers as photovoltaics, the general conversion rate is controlled between 19% and 22%.

It's still quite difficult to do something higher.

Matt and Edwards also discovered this problem, so they analyzed the silicon wafers currently used on solar panels from various angles. Various methods emerged in endlessly.

After several tests, they finally discovered that the reason why the currently used silicon wafers have never been able to achieve higher solar energy conversion rates is mainly related to the internal physical molecular structure of these currently used silicon wafers.

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The molecular structure of the silicon wafers currently used determines that they cannot quickly capture the yellow photons in the solar pipeline, but can only capture the red photons.

The energy carried by red photons is obviously much smaller than the energy carried by yellow photons.

Generally speaking, it takes the energy of two or more red photons to equal the energy of one yellow photon.

So how can the silicon chip capture more yellow photons instead of red photons?

Or how can the red photons captured by the silicon wafer be more effectively converted into yellow photons with greater energy?

So the two scientists conducted countless simulation experiments on computers, and finally came to the conclusion that if they want to make silicon wafers more efficient in the problem of solar energy conversion, they can attack them more quickly and effectively.

To capture the more energetic yellow photons in solar energy, the physical molecular structure inside the silicon wafer must be adjusted.

Let each silicon crystal molecule be arranged at an angle of 60 degrees, so that three silicon crystal molecules can form a solid equilateral triangle. In this way, when sunlight hits the silicon wafer, every three silicon crystal molecules will

By forming a solid triangular layout, you can quickly capture the yellow photons with the most energy in the sun's rays, and the yellow photons will not directly break through this stable triangle because they carry too much energy.

Energy is consumed.

In this way, when the yellow photon hits this stable triangle, the energy it carries will quickly impact the equilateral triangle, which will then cause the peripheral electrons of the silicon crystal molecules themselves to overflow, and then pass through

Effectively guide these electrons into a battery for storage.

Or the electric energy formed by these electrons can be directly input into the power grid, or directly used for heating, or converted into kinetic energy, etc. In this way, the purpose of improving the solar energy conversion rate can be achieved.

Moreover, such an equilateral triangle arrangement structure of silicon crystal molecules can also quickly convert the captured relatively weak red photons into yellow photons when there is insufficient light, because when two or more red photons

, consisting of hitting a silicon wafer

When inside the equilateral triangle structure, because the energy is weak and cannot break through the equilateral triangle structure of the silicon wafer, they will quickly combine into a yellow photon due to the vibration of the same spectrum, thereby quickly converting the energy into

Electrons move above the silicon wafer.

In this way, the efficiency of photoelectric conversion can be greatly improved.

After rough calculations, if such a silicon wafer can be made, then after using this silicon wafer as a solar photovoltaic, the photoelectric conversion efficiency of solar energy will be at least doubled compared to what it is now!

What is this concept? This means that the conversion efficiency of this new type of solar panel will increase to between 38% and 44%.

If such a silicon wafer is used to make the kind of thin-film solar cell that Matt and Edwards just developed, and if such a thin-film solar cell is glued to the roof of a car.

Then a hybrid car that uses such a solar-charged battery will most likely have a battery life of more than 80 or even 100 kilometers in battery-driven mode. Of course, this is under very good sunlight conditions.

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Don’t underestimate the 80 to 100 kilometers. For now, the best hybrid car in the world is Toyota’s Prius. However, the battery life of the current Prius is only more than 20 kilometers.

Just kilometers.

Even if it was later upgraded to the third generation product and the lithium battery was replaced extensively, its ultimate battery life could not exceed 40 kilometers.

Later, the battery life of a hybrid vehicle launched by BYD was reported to be more than 50 kilometers. As soon as this data came out, it was already amazing.

And if such solar cells are used, coupled with increasingly mature lithium batteries and kinetic energy recovery systems, then as long as Jin Xiaoqiang and the others can increase the battery life of their hybrid vehicles to even more than 80 kilometers,

That would definitely exist like a milestone.

Moreover, the fuel consumption of such a model is definitely amazing. Even in a congested city, the fuel consumption is estimated to be only a few points per 100 kilometers.

However, please note that the fuel consumption of just over 5.00 per 100 kilometers is achieved by driving on congested urban roads.

Don’t look at the current Huayang Power’s Captain America’s fuel consumption per 100 kilometers, which is about 5.0 liters per 100 kilometers, which is comparable to Toyota’s Prius. But to know such fuel consumption, you have to drive for a while on the highway, and then after running for a while.

The comprehensive fuel consumption obtained after driving through congested roads in the city.

Moreover, this data must be generated by professional drivers. If an ordinary person wants to generate such data, it is almost impossible.

If ordinary consumers get such a car, the fuel consumption per 100 kilometers they drive will definitely not be lower than a six-point upgrade.

Therefore, the comprehensive fuel consumption per 100 kilometers published by ordinary cars is not very accurate. This is an unspoken rule agreed by Quanta Automobile manufacturers and consumers.

Consumers will not compete too much with car manufacturers on these issues. Generally, they will follow the fuel consumption per 100 kilometers announced by the car manufacturer, and then increase the fuel consumption by one liter or a few liters. This is the fuel consumption of this car.

The true fuel consumption per 100 kilometers of a car has become common knowledge recognized by everyone.

So if a hybrid car using such a solar cell can really achieve a real city fuel consumption of 5.0 liters per 100 kilometers, then the data performance of this car will undoubtedly be amazing.

By then, in the era of hybrid power, this car will definitely be an amazing product.

But the premise is that this kind of solar cell must be developed before the era of hybrid cars.

The key here is how to change the internal molecular arrangement of the silicon wafers used as solar photovoltaics.

If it were before, Jin Xiaoqiang would have been helpless. He had only a limited knowledge of solar energy, and he knew nothing about the manufacturing of silicon wafers.

But things were different now, especially after he learned that the nanomolecule cells on his hands were best at changing the molecular arrangement of other substances and then highlighting a certain aspect of that substance's characteristics.

Imagine that in the future, when silicon wafers are manufactured, especially the raw materials for silicon crystals, when the fine sand is cleaned, screened, and then sent to the silicon crystal culture and growth furnace, I secretly sprinkle a certain proportion of the raw materials on those raw materials.

The nanobiological cells that have received their own instructions are then refined into silicon wafers in a culture furnace, which have attractive characteristics. So, isn't the manufacturing of this kind of solar cell already within reach?

Thinking of this, Jin Xiaoqiang felt a little impatient. What he most urgently wanted to see now was that the solar energy research institute be established as soon as possible, so that he could verify his inference...

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