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Lead-acid battery is not lead-calcium battery, lead-calcium battery is one-time maintenance-free, does not need to add water is lead-calcium battery, lead-acid battery is required to add water maintenance.
1. Lead-acid battery battery is mainly composed of tubular positive plate, negative plate, electrolyte, separator, battery slot, battery cover, pole, liquid injection cover, etc. The electrodes of the vented battery are composed of lead and lead oxides, and the electrolyte is an aqueous solution of sulfuric acid. The main advantages are stable voltage and low price; The disadvantages are low specific energy (i.e. energy stored per kilogram of battery), short service life and frequent routine maintenance.
The life of the old ordinary battery is generally about 2 years, and the height of the electrolyte needs to be checked regularly and distilled water is added. However, with the development of technology, the life of lead-acid batteries has become longer and the maintenance is simpler.
The most obvious feature of a lead-acid battery is that it has a plastic seal on top that can be unscrewed, and there are vents on it. These fill caps are used for filling pure water, inspecting electrolytes, and venting gases. Theoretically, lead-acid batteries need to check the density and level of the electrolyte at each maintenance, and add distilled water if there is a deficiency.
2. The pole group structure of the battery is composed of positive and negative plates with high-temperature overcharge-resistant lead-calcium grids and bag-type polyethylene separators. The positive grid of the product is a rotary mesh grid, and its grid grid is fine-holed. This kind of grid has good processability and good quality.
The battery tray and cover are composed of high-density ethylene propylene copolymer with good high temperature resistance, with less water replenishment times and no saddle at the bottom of the battery tray. The interval between the highest and lowest liquid level marked on the surface of the battery tray is wide, and the minimum liquid level line is marked above the busbar in consideration of safety in use.
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No, the master is maintenance-free is a lead-calcium battery, and the one that adds water in the past is a lead-acid battery. Lead calcium is now used more [car problems, ask the car master. 4S shop professional technician, 10 minutes to solve. 】
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There is no doubt about lead-acid batteries.
As a power battery, it has its advantages in design. The advantage is that it provides a larger open-circuit power supply (compared to lithium batteries). A 12V battery only needs to be made into a battery, and a lithium battery may need to be connected in series to form a battery pack when it is used as a power battery.
For the design of power batteries, lead-acid batteries can be relatively easy to do, while lithium batteries need to encounter many problems in design, later charging, use and maintenance. from the cost of manufacturing.
Above, the current power battery, the former should resist, the latter should be higher. But the latter is the way of the future.
The fatal disadvantage of lead-acid batteries is that the traditional battery is like a large stone weighing about 20 kilograms when installed on a bicycle, and its own weight is loaded with load, so that the driving range is not ideal. Such a heavy battery is charged up and down, which makes people feel sad. The battery is also swollen and unsightly in the car.
The life of the battery itself also annoys consumers, and it will not take long for the battery to be scrapped, and the scrapped battery will also produce serious environmental pollution and excessive quality. With a lithium battery, it is loaded in the front basket of the bicycle, and the driving range is 63 km (load 75 kg) at one time, and the maximum speed is 20 km per hour. The portable battery compartment is only 24 centimeters long and 26 centimeters wide.
Flow-type car body, front and rear shock absorption, dexterous and fast. Only lithium motor vehicle batteries can be assembled into such a lightweight bicycle with less environmental pollution.
I think that in the future, in the market, in terms of choosing the type of power battery, the two will be more competitive. It is possible that the latter will replace the former as the technology continues to mature. On the other hand, lead-acid battery technology is also constantly updated.
For example, the continuous development and maturity of lead cloth technology and thin plate technology will have an impact on the entire power battery market. We can expect that too!
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Lead-acid batteries and lead-acid batteries are exactly the same, there is no difference, but the names are different.
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Worried about choosing a battery? Comparison of advantages and disadvantages of lead-acid batteries and lithium batteries.
Advantages of lead-acid batteries:
1. Good safety performance. Lead-acid batteries are easy to feed, let you fall and beat, repair a little, and you can continue to use.
2. Cheap. Lead-acid battery** is about 1 3 of lithium-ion batteries, which shows that its ** is very low.
3. Reversible repair. Lead-acid batteries can be used strongly, after the use of bad can go to the electric car store to trade in the new, make up the difference in price can be replaced with a new set of batteries, the loss is minimized, is a big benefit for the user. The lead in the battery can also be reused, reducing environmental pollution.
Disadvantages of lead-acid batteries: large weight, limited battery capacity, short life, lead-acid batteries are generally within 400 times of deep charge and deep discharge, and the life span is about three years.
Advantages of lithium-ion batteries:
1: Light weight and small size. The volume of lithium-ion batteries is 2 3 of the volume of lead-acid batteries, and the weight is about 1 3 of the weight of lead-acid batteries.
Lithium-ion batteries of the same volume have a higher capacity than lead-acid batteries, and the reduced weight makes electric vehicles lighter and has an increase in range by about 10%.
2: Long life. The average life of lithium-ion batteries is about 4 years, which is about one year higher than that of lead-acid batteries, with more than 500 times of charge and discharge, no memory of battery use, and strong shock resistance.
3: Overcharge resistance, good charge and discharge resistance. Lithium-ion battery At normal temperature, lithium-ion battery can be charged continuously for 48 hours without accidents such as battery expansion, leakage and rupture, and the capacity is kept above 95%. And under the dedicated charger, it can be charged and discharged quickly.
Disadvantages of lithium-ion batteries:
The production cost of lithium-ion batteries is high, and the labor cost of production equipment accounts for about 40% of the production cost, which is about three times that of lead-acid batteries. Its three times the cost performance is not high, it gives people a flashy feeling, and the lithium-ion battery can not be used, it can only be thrown away, or find a place to bury it, after thousands of years, future generations will dig it out and be an antique.
To sum up: Overall, the cost performance of lead-acid batteries will be higher than that of lithium batteries!
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Lead-acid batteries need to be charged with the original charger, which must match the configured battery. To develop the habit of charging on the same day of use, you need to be fully charged after using it every day, if you wait for the power to run out before charging, it will shorten the battery life due to deep discharge.
Since the charger will generate a certain amount of heat during battery charging, it is recommended to charge in an open and ventilated place, and it is strictly forbidden to cover the charger with foreign objects during charging, otherwise it is easy to damage the charger and the battery, and even cause fire accidents.
Precautions for the use of lead-acid batteries.
It is forbidden to park the electric vehicle for a long time without power: When you will not use the electric vehicle for a period of time, place it on a full charge first, and replenish it once every 1 month.
Deep discharge of the battery once every 1-2 months: the battery will inevitably have some active substances precipitated after being used for a period of time, and if the active substances are not activated in time, it will inevitably cause a certain decrease in the capacity of the battery.
The above content refers to Encyclopedia - Lead-acid batteries.
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A lead-acid battery is a type of battery in which the electrode is mainly made of lead and its oxide, and the electrolyte is sulfuric acid solution. In the discharged state, the main component of the positive electrode is lead dioxide, and the main component of the negative electrode is lead. In the state of charge, the main component of the positive and negative electrodes is lead sulfate.
The battery is mainly composed of tubular positive plates, negative plates, electrolyte, separators, battery slots, battery covers, poles, liquid injection covers, etc.
The most obvious feature of lead-acid batteries is that they have a plastic sealing cover that can be unscrewed at the top, and there is also a vent hole on it. These liquid-filled caps are used to fill pure water, check electrolytes and exhaust gases. Theoretically, lead-acid batteries need to check the density and level of the electrolyte during each maintenance, and add distilled water if there are deficiencies.
However, with the upgrading of battery manufacturing technology, lead-acid batteries have been developed into lead-acid maintenance-free batteries and gel maintenance-free batteries, which do not require electrolyte or distilled water to be added to lead-acid batteries.
Dry-charge lead-acid batteries. Its main feature is that the negative plate has a high power storage capacity, and the obtained power can be stored for about two years when it is completely dry, and it is only necessary to add electrolyte and wait for 20-30 minutes before use. The appearance of the battery is the same as that of an ordinary battery, and the structure of the internal parts and the use effect are basically the same.
The fundamental difference is that the manufacturing process of the negative plates is different, and the negative plates can store the charge obtained during the manufacturing process for a long time in the dry running state.
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Lead-acid batteries are generally used in two-wheelers and three-wheelers.
It is called a lead-acid battery because the electrolyte inside the battery is dilute sulfuric acid.
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The acid contained in the car lead-acid battery is sulfuric acid, its chemical formula is PBSO4, and anhydrous sulfuric acid is a colorless oily liquid, which is highly corrosive and easy to dehydrate. A battery is a device that converts chemical energy directly into electrical energy. It is a rechargeable battery that can be recharged by a reversible chemical reaction.
Commonly known as lead-acid batteries, it is a type of battery and belongs to secondary batteries.
The working principle of automotive lead-acid battery: external electrical energy is used to regenerate internal active substances during charging, and electrical energy is stored in the form of chemical energy. When it needs to be discharged, the chemical energy is converted into electrical energy and output again, such as mobile phone batteries commonly used in daily life.
Use of lead-acid batteries in automobiles:
1) Ensure adequate insulation between and around the battery and the device. Inadequate insulation may result in electric shock, short penetration of the pie path for heating, smoke or combustion.
2) Chargers should be used for charging. Connecting directly to a DC power source may cause the battery to leak, heat, or burn.
3) The battery capacity will slowly decrease due to self-discharge. After long-term storage, please charge the battery before use.
Advantages and disadvantages of automotive lead-acid batteries:
Advantages: stable electromotive force during discharge, stable working voltage, wide range of temperature and current, jujube can be charged and discharged hundreds of times, good storage performance (especially suitable for dry load storage), low cost, wide application.
Disadvantages: small specific energy (stored electrical energy per unit weight), large weight, strong corrosiveness to the environment, short cycle life, large self-discharge, not easy to overdischarge.
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After the addition of calcium to the lead-acid battery, its characteristics and performance may change, mainly in the following aspects:
Charging voltage characteristics: After adding calcium, the charging voltage characteristics of lead-acid batteries will change. Calcium will increase the rate of redox reaction of the battery, reduce the internal resistance and charging voltage of the battery, and make the battery easier to fill when charging.
Discharge capacity characteristics: After adding calcium, the discharge capacity characteristics of lead-acid batteries will also change. Calcium will increase the discharge capacity of the battery, reduce the internal resistance and self-discharge rate of the battery, so that the battery can continue to output current for a longer time when discharged.
Durability: The durability of lead-acid batteries may be enhanced with the addition of calcium. Caltech will reduce the internal resistance of the battery, improve the charging and discharging efficiency of the battery, and make the battery last longer.
Maintenance cost: After adding calcium, the maintenance cost of lead-acid battery may be reduced. Calcium reduces the self-discharge rate of the battery and the formation of sulfuric acid crystals inside the battery, reducing the sulfuric acid concentration of the battery, thereby reducing the maintenance and upkeep required by the battery.
In general, the lead-acid battery after adding calcium may have better charging and discharging characteristics and durability performance, reducing maintenance costs and operation difficulty, but it should be noted that the addition of calcium needs to be carried out under suitable conditions, and excessive calcium may affect the performance and life of the battery. Therefore, in the process of adding calcium, it is necessary to strictly control the amount of calcium and the way of adding it to ensure the stable performance and long life of the battery.
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