Otaku Engineer in Great Tang Dynasty

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"Master, this thing is a battery? Would you like to connect a light bulb and try it?"

Workshop, in a laboratory.

When Fu Bo heard Li Zexuan say that the boxy thing in front of him was the first lead-acid battery in the world, he was slightly startled and couldn't help but say.

Li Zexuan nodded and said, "Of course I have to try! Fubo, please let someone bring a light bulb with a lower power and some wires over here!"

When the lead-acid battery is just made, it does not need to be charged. It can be used directly because it is full of chemical energy. The so-called charging is to use external electrical energy to regenerate the internal active material (lead sulfate) and store the electrical energy as chemical energy. , At this moment, the battery has not been discharged, and there is no active substance (lead sulfate) in the electrolyte, so naturally there is no need to charge it!

"Okay! Young master, wait a moment!"

Faber left with a smile.

After a while, Fu Bo brought Song Xiaosi several bulbs of different sizes and some copper wires. Li Zexuan peeled off the rubber at both ends of the wires, and connected one end of the two wires to the positive pole of the battery. The other end is connected to the positive and negative screws at the end of the bulb, and the moment the wire hits the end of the bulb, the bulb suddenly turns on!

"It's bright! It's really bright! It seems that the power supply capacity of this lead-acid battery should be stronger than the voltaic battery you made earlier, Master, because this kind of bulb voltaic battery can't light at all!"

Seeing this, Fu Bo couldn't help but exclaimed.

In terms of electricity, he is also half knowledgeable. Although his words are not as professional as Wang Ji's, he understands the general meaning of it!

"Oh! Your lead-acid battery has really succeeded, Mr. Shan? My dear, you can actually light such a big light bulb. What is the output voltage of this lead-acid battery?"

It was said that Cao Cao and Cao Cao arrived. After Wang Ji came out of the steel plant, he planned to come and have a look. He couldn't help but ask in surprise when he saw this scene as soon as he stepped into the laboratory.

Compared to Faber, his questions are obviously more professional!

Li Zexuan replied with a smile: "In this lead-acid battery, the voltage of one battery pack is about two volts, and there are a total of six battery packs connected in series, with a voltage of about twelve volts, which is naturally higher than that of a voltaic battery! The continuous discharge capacity of this lead-acid battery is also much stronger than that of the voltaic battery. Just this small light bulb can light up for twelve hours without any problem! And after the power is used up, it can be charged and fully charged. Then it can be used again!"

"Voltage of twelve volts? Continue to light the lamp for twelve hours? Can it be charged after the power is used up?"

Wang Ji was really shocked. He had also used voltaic batteries made by Li Zexuan before. Each voltaic battery only had about one volt of electricity, and the electricity was not long-lasting. It will be out of power in two hours!

Today's batteries are far superior to voltaic batteries in terms of output voltage and long-lasting power supply, and lead-acid batteries can be recharged after they are used up, unlike voltaic batteries, which can only be thrown away after the electricity is used up. Lost!

These incomparable and incredible advantages made Wang Ji doubt his life!

"Master, can you tell Wang the principle of charging and discharging of this lead-acid battery? This is the first time this old man has heard that the battery can be charged and recycled~!"

After a while, Wang Ji recovered from his shock, looked at Li Zexuan expectantly, and asked.

Although it was getting late, Li Zexuan knew that if he didn't explain the principle of lead-acid battery charging and discharging to Wang Ji today, according to the old guy's temperament, he probably wouldn't be able to sleep tonight. Li Zexuan took out a blank piece of rice paper, and began to explain while writing the chemical equation on it with a pencil:

"Mr. Wang, the anode plate of this battery is made of lead dioxide, the cathode plate is made of lead, the electrolyte is prepared dilute sulfuric acid, and there is a separator in the electrolyte, which separates the electrolyte between the two electrodes to prevent The electrodes are short-circuited. When discharging, the lead of the cathode plate interacts with the electrolyte to generate lead sulfate and water, and discharge electric energy; when charging, under the action of external electric energy, the lead sulfate reacts with the acid in the water to generate velvety lead and sulfuric acid. , to store electrical energy..."

It took nearly half an hour to explain the charging and discharging principle of the battery to Wang Ji. During this period, Wang Ji raised many technical questions, and Li Zexuan patiently answered them one by one. !

"Shan Chang, this lead battery is really amazing, especially now that we have a hydropower station in Lantian County and the Yanhuang Academy is powered on, the role of this battery is even more obvious! After the electricity is used up outside, it can be used again. The electricity from the hydropower station is used for charging, it is perfect! It is absolutely perfect! For the whimsy of the mountain chief, the old man really admires the five bodies!"

Wang Ji's eyes became brighter and brighter, and his gaze towards the lead-acid battery became more and more fiery. At this moment, he suddenly remembered that he was here to find Li Zexuan for business purposes, and hurriedly said: "Oh! At the factory, vanadium steel has already been produced, and this old man has done experiments in private, and this vanadium steel is indeed much harder than ordinary steel, do you want to take a look?"

Li Zexuan looked at the pitch-black sky outside and couldn't help asking, "Uncle Fu, what time is it now?"

After traveling for so long, Li Zexuan still does not have the ability to accurately judge the time anytime, anywhere. He estimates that he will not be able to exercise this skill in his lifetime. He can only "control the time" completely after he invents the clock later.

"Master, you should have just arrived at Hai by now.

Time! "

Fu Bo was silent for a moment, then replied.

It's nine o'clock in the evening!

He actually worked in the workshop from one or two o'clock in the afternoon until nine o'clock in the evening, without even having dinner in between!

Not only did he not eat dinner, Fu Bo and Wang Ji also didn't eat it!

"Don't watch it! Don't watch it! I'll see it tomorrow! It's getting late today, Mr. Wang and Uncle Fu, this man is iron, and rice is steel, everyone go back to eat and rest early! The body is what we invent and create new things. capital!"

At this point in time, Wang Ji, a workaholic, still wants to drag him to "work" in a steel plant. Li Zexuan would not have done so after being beaten to death. He has a wife and children at home, oh, there are no children yet, but Then you can't go back too late to make your daughter-in-law worry, right? Therefore, he waved his hand and said to Wang Ji and Uncle Fu.

"Haha! What the young master said is that the old man should go first! I'm too old, but I can't bear it!"

Faber said with a smile.

Wang Ji was unwilling, but seeing Uncle Fu also said the same, he had no choice but to disapprove, so he had to clean up and go out of the workshop with Li Zexuan to Yunshan!

He is now living in the teacher's dormitory of the academy, not the Yunshan Academy, because his title has not yet reached the professor level!

However, judging from Wang Ji's research on chemistry and his recent achievements, it's probably only a matter of time before he applauds the professors of the academy!

"Xiang Gong, are you back? Haven't you eaten yet? My concubine is going to warm up the food for you!"

Back in the other courtyard, Han Yuxi heard the movement at the door, and hurriedly greeted her from the house and said.

Obviously, she has not slept and waited for Li Zexuan to come back!

"Miss, why are you still not sleeping so late? It's all my husband's fault. I was busy in the workshop and forgot the time, and I forgot to send someone to tell you!"

Li Zexuan said apologetically.

"Master, don't say that!"

Han Yuxi said hurriedly: "You are busy with important things in the workshop. Besides, when it's time for your child, the concubine is not sleepy! Okay, let's not talk about it, the concubine is going to have a hot meal with the husband~!"

Li Zexuan embraced Han Yuxi, kissed her on the forehead lightly, and said, "My lady is so considerate, it's as good as a gift for my husband in a few days~!"

Han Yuxi asked curiously, "What good thing?"

Li Zexuan smiled mysteriously and said, "Keep it a secret for now, but it must be a big surprise!"

…………………………

the next day.

After Li Zexuan had breakfast, he went to the workshop again.

It is said that he has now sat in the position of the prince of the country. It is reasonable to say that he does not have to work so hard. Even if he eats, drinks and has fun every day, with the great foundation he has created before, he can guarantee a lifetime of worry-free food and clothing!

When he first crossed over, Li Zexuan thought so, as long as he could be a prince, he would eat and die for the rest of his life, but sometimes, only when you really sit in that position will you understand your responsibilities !

Li Zexuan is now the head of Yanhuang Academy, the true master of tens of thousands of people in Lantian County, and the helm of the entire "Yanhuang Group". There are countless students behind him who are learning from him and making progress; countless people rely on him. There are countless craftsmen who are using his innovative technical tools to liberate productivity; there are countless businessmen who rely on him to get rich and realize their own value!

He can't stop!

As a prince of his country, he was created by the invention of engineering, so he has the obligation to carry forward engineering in this era, and for him, creating some modern things in ancient times is also his fun, he thought, And I am willing to make this Tang Dynasty with him more advanced and powerful!

When he came to the steelmaking plant of the workshop, Wang Ji was already waiting here. These two days are the weekends of the academy, so Wang Ji can devote himself to "scientific research" even if he has no classes in the academy!

"Look at Shan Chang! This is vanadium steel! This is vanadium steel refined according to the three different vanadium-doped ratios provided by you, Shan Chang!"

Wang Ji pointed to the steel piled on the ground and said to Li Zexuan.

"Yeah! Use these vanadium steels to make swords and armor first, and then try the effect!"

Li Zexuan nodded and said.

The proportion of vanadium in vanadium steel is generally not high, about 0.025%-0.059%. Different vanadium-containing proportions have different hardness of vanadium steel. Which proportion is most suitable for making swords and which is the most suitable To make armor, this all needs to be tested!

In addition, adding a certain proportion of vanadium to the steel can create rebar for the skeleton of reinforced concrete building components!

Compared with ordinary steel, rebar has very good solidity and toughness, and is suitable for use as a steel skeleton in large engineering projects, which can significantly improve engineering strength and earthquake resistance!

"Okay! Wait a minute, then the Chief!"

Wang Ji nodded in response.

There are all kinds of craftsmen in the workshop, and there is naturally no shortage of skilled blacksmiths. Wang Ji sent these vanadium steel to the blacksmith workshop and instructed the blacksmith to use these three proportions of vanadium steel to make three sets of swords and armor respectively. The blacksmith workshop Immediately it started to get busy!

"Shan Chang, do you think that the sword made of vanadium steel can really be sharp and cut like mud? There is also armor, armor made of vanadium steel will definitely be better than the armor used by my Tang soldiers. To be strong?"

The temperature in the blacksmith workshop was too high, and Wang Ji was too old to resist. After he asked the craftsman, he left the workshop, found Li Zexuan, and asked.

Li Zexuan smiled slightly, nodded and said:

"Although I dare not say that it cuts iron like mud, if an ordinary iron sword encounters a sword made of vanadium steel, it will definitely suffer great damage! As for the armor, I am even more confident about it. Armor, under the same conditions, its superiority is absolutely beyond doubt!"

Vanadium alloying can greatly improve the strength of carbon steel, especially under the process conditions of quenching and tempering, the performance improvement is more obvious. In a previous life, an accidental event prompted the use of vanadium in automotive steel. It is said that Henry Ford I was watching a car race when a French car was crashed, and when examining the wreckage of the car he found a Swedish-made crankshaft much less damaged than expected.

After testing, it was found that the steel contained vanadium. Therefore, Ford uses vanadium alloy steel to make key components of Ford vehicles to better resist vibration and fatigue on the road. He once famously said, "If there were no vanadium, there would be no cars."

Since a very small amount of vanadium can make steel obtain excellent properties, people have a very vivid evaluation of the role of vanadium in steel at that time - vanadium is a vitamin in steel.

It can be seen that using vanadium steel to make armor is not absolutely invulnerable, but it can definitely resist most cold weapon damage!

"It's really amazing. Who would have thought that just adding a little vanadium to steel can improve the performance of steel so much. It's incredible!"

Wang Ji muttered to himself.

"Haha! Mr. Wang, please wait, I'm going to draw a drawing, I'm going to make something new!"

Li Zexuan knew that building swords and armor would not be accomplished in a short time, and would take at least half a day, so he said to Wang Ji.

Wang Ji heard the words, his eyes lit up and said: "Oh? The mountain chief has another good idea? I don't know what new things are going to be built this time?"

"Haha! You'll know in a while, Mr. Wang! After the sword and armor are finished, remember to have someone come over and notify me!"

Li Zexuan didn't say it clearly, and said with a slight smile for the teacher.

When Wang Ji saw this, it was not easy to ask questions, so he could only answer.

Li Zexuan returned to his office in the workshop and began to draw drawings. At noon, Song Xiaosi brought him food. After he finished eating, he continued to draw drawings. There is already a thick stack of drawings on the entire desk. It can be seen that what he wants to build this time is not simple!

"Captain, the sword and armor are ready! Take a look!"

Around Shen Shi, Wang Ji brought two workshop servants, three pairs of swords and armor, and came to Li Zexuan's office, saying excitedly.

"Oh~? How does it work? Has Mr. Wang tried it?"

Li Zexuan put down his pen, stood up, and asked with a smile.

"I have tried it! I have tried it! This sword is really as the mountain chief said, an ordinary iron sword can be easily cut off by it! It's too sharp! As for this armor, bows and arrows can't penetrate it, it's just too strong. Stronger!"

Wang Ji said ecstatically.

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