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According to the experimental data, after the Gomez team added a carbon aerogel made of durian kernels to the supercapacitor, its mass energy density reached 82 5 watt-hour kgs, which is much better compared to the traditional supercapacitor of 10 to 20 Wh kg, but the mass energy density of the battery of pure electric vehicles in the automotive market is currently about 350 Wh kg. In addition, supercapacitors themselves are prone to electrolyte leakage, and are only suitable for shortcomings such as DC circuits.
However, based on their unique properties, some component manufacturers have also supplemented supercapacitors and lithium batteries. According to the research in the field of hybrid energy storage by the School of Electrical Engineering of Guangxi University and Fuzhou University, the amount of electricity can be distributed through a logic threshold control strategy. In short, supercapacitors are considered reservoirs.
When the motor is in drive or braking mode, the lithium battery pack bears the demand for the basic drive or braking absorbed power, and the excess power should be borne by the supercapacitor module.
In order to reduce the loss of battery life caused by the adjustment of the state of the supercapacitor, with the development of battery technology, our requirements for energy consumption have moved away from the initial stage of atmospheric environmental management, and then to the advanced stage of how to use energy more intensively and optimistically.
From whether electric vehicles need multiple gearboxes to the hybrid of today's power batteries, I believe that with the promotion of science and technology, new energy will continue to develop and iterate at a progressive pace. The advantages of supercapacitors are indeed very good, but its shortcomings are also very prominent, the voltage of the supercapacitor that charges and discharges quickly is lower than that of the battery pack, and it cannot store too much energy, and the energy density is only 1/10 of that of lithium batteries.
On the question of whether superfruits can be used as batteries and can it replace traditional lithium batteries, here we are today.
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No. Because the current generated by superfruits is not very large and is not very stable, it cannot replace traditional lithium batteries.
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No, because the amount of power supplied is too small to meet people's needs.
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Yes, because it is also good to be electrified, it can be replaced.
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The voltage of the fruit battery is very small, and the fruit battery cannot be charged, so the fruit battery is impossible to become a new alternative to the lithium battery.
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The team of Gomes, a chemical engineer at the University of Sydney, discovered by chance that the world's smelliest fruit can be turned into a supercapacitor. Supercapacitors are a way to store electrical energy and can be fully charged in another 30 seconds. Stinky fruits such as durian and jackfruit can be used to make supercapacitors, so these stinky fruits may replace lithium-ion batteries in the future.
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I don't think it's possible because the raw materials are relatively expensive and can't afford it, and the power generation is not sustainable.
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Yes, but the difficulty is still relatively large, and it is impossible to completely replace it.
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A fruit battery is a trolley battery that inserts a chemically different metal into the fruit, so that a galvanic cell can be formed due to the acidic electrolyte in the fruit.
The principle of power generation of fruit battery is: the electrochemical activity of the two metal sheets is not the same, among which the more active metal sheet can replace the hydrogen ions of the acidic substances in the fruit, due to the positive charge, the whole system of Tanwu needs to remain stable (or the electric field is generated, and the electric field causes the following results), so in the case of the galvanic cell, the electrons maintain the stability of the system from the loop, so theoretically the current is directly related to the concentration of fruit acid, (If it is to be expressed as a functional relationship, then this function is actually related to ionic strength and quantitative relationship, and has a qualitative relationship with ion concentration), in this case, if the length of the loop changes, it will inevitably cause the loop to change, so it will also cause the voltage to change.
1.You may have reversed the polarity of the LED, i.e. the positive and negative electrodes are reversed. Invert the LED and observe if it emits light.
2.The light emitted by LEDs can be very dim. Place the LEDs in a darker room and get your eyes to adjust to the dimer light before the experiment.
3.Make sure all connections are reliable: make sure that the connection between the wire clamp and the coin and screw, as well as the coin and screw, is secure.
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Advantages, stable voltage and long duration. Disadvantages, low voltage, used fruit is contaminated and toxic, there is a certain insecurity, and it is also wasteful!
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Waste! The voltage is small!
Not easy to carry!
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It can be connected in series with different fruit batteries.
1. The purpose of the experiment is to use various fruits to make fruit batteries, and compare the relationship between the pH value of fruits and the voltage generated.
2. Experimental requirements: master the use of voltmeter.
3. Experimental principle: The battery needs to use two metals to make it a positive electrode and a negative electrode, and between them there are conductive substances such as hydrochloric acid or lye, which are generally decomposed and called electrolytes. Electrolytes can free metal ions, and generally speaking, any metal that comes into contact with the electrolyte will release electrons and become positively charged ions.
The reaction formula of the fruit battery is as follows:
Anode (cathode): Zn(S) Zn2+(AQ)+ 2E- or Ni(S) Ni2+(AQ) +2E-
Cathode (negative electrode): 2H+(AQ) +2E- H2(G).
4. Experimental equipment and equipment: measuring equipment: voltmeter, ammeter, wire, clip, PH test strip.
Battery components: oranges, lemons, apples.
Plates: copper sheets, zinc sheets.
5. Experimental steps: (1) take 2 different fruits with similar weight (error less than 2 grams) respectively, cut them in half, measure the pH value of each fruit, and take the average value of the same fruit to obtain the pH value of each fruit;
2) As shown in the figure below, zinc and copper sheets are inserted at both ends of these fruits, and the four-petal fruits are connected in series and connected with the light-emitting diode;
3) Measure the voltage of these fruits in series and the current through the light-emitting diode respectively.
7. Experimental conclusion: under the same quality of different fruits, the lower the pH value, the higher the voltage generated.
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When the nine-year students of Runzhou Middle School were learning the circuit, they made their own fruit batteries, they inserted copper and iron sheets into oranges, and inserted small electric lamps into the copper and iron sheets, and the small electric lamps glowed: in order to further affect the factors affecting the voltage of fruit batteries, the students made conjectures, which:
Xiao Wang guessed that the voltage of the fruit battery is related to the type of fruit;
Xiao Zhang guessed that the voltage of the fruit battery is related to the depth of the copper and iron sheets inserted into the fruit;
Xiao Li Jianxue conjecture: The voltage of the fruit battery is related to the distance between the copper and iron sheets
Please choose any of the above conjectures to carry out **, and complete the following questions
1) Write out the protocol
Verification: Xiao Wang guessed that the voltage of the fruit battery is related to the type of fruit;
1. Insert the copper sheet and iron sheet into the orange at equal depth and equal distance, and insert the small electric lamp into the copper sheet and the early state iron sheet to observe the light of the small electric lamp.
2. Insert the copper sheet and iron sheet into the apple at equal depth and equal distance, and insert the small electric lamp into the copper and iron sheets to observe the light of the small electric lamp.
3. Insert the copper sheet and iron sheet into the pineapple at equal depth and equal distance, and insert the small electric lamp into the copper sheet and the iron sheet to observe the light of the small electric lamp.
2) Design a ** for recording experimental data
Fruit Small bulb brightness.
Orange. Apple.
Pineapple. 3) Before measuring the voltage of the fruit battery, you must first judge the positive and negative poles of the battery Please write out the method of judging the positive and negative electrodes with a voltmeter
Connect the wires on the copper sheet to the positive binding post of the voltmeter.
Test the wire on the iron sheet with the negative binding post of the voltmeter.
Observe the deflection direction of the voltmeter pointer, if it deviates to the right, the copper sheet is positive;
If it deviates to the left, it means that the iron piece is positive.
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I've ever done four apples in tandem that are volcanic or so. So I conclude that it is.
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