What is the difference between lithium battery and dry battery?

The water battery is good. Because the life of the water battery is longer, the current intensity is better.

Water battery introduction:

1. The principle

The thin film technique is used to separate hydrogen from the water, and the hydrogen also chemically reacts to become water upon discharge.

2. Development

Since the 1990s, research on aluminum-water batteries has been officially launched due to the increased demand for high-energy, long-life energy that can be used in seawater. By the first decade of this century, more complete batteries have been successfully manufactured. At the Shanghai International Disaster Reduction Exhibition, which opened on October 10, 2012, some water battery-powered featured products have emerged.

3. Use

Using single water as a raw material, it is possible to generate electricity by injecting a predetermined amount of water into a "water battery", and it is possible to generate electricity from a battery, whether it is tap water, soy sauce, beverage, or sea water.

4. Features

The same size of water fuel cell can provide 8 times the power of methanol fuel cell, which means that the water fuel cell can be made very small to fit the size of the phone. Compared with lithium-ion batteries, water-fuel batteries have comparable charging times and more capacity. Therefore, the standby time of mobile phones can be extended to weeks or even one or two months, and the talk time can be calculated without hours.

The dry battery you said is actually called "maintenance free battery"

In fact, the electrochemical reaction in the general lead sulfate battery is inseparable from water. Whether it is a sealed maintenance-free battery or a gel battery, water is required to complete charging and discharging. Therefore, all lead sulfate batteries are water batteries, but only different ways of storing water

1, the most common one is the so-called water battery. The battery plate is soaked in dilute sulfuric acid. During the charging and discharging process, the water will volatilize. It is necessary to periodically add distilled water and remove the impurity powder deposited on the bottom.

2, sealed maintenance-free battery, using paper with dilute sulfuric acid as the reaction carrier of the plate, the advantage is that it can also be used in reverse. When the battery is not charged and discharged very strongly, the battery is not very hot, the battery remains certain. Sealing, to avoid water volatilization, but when the battery temperature is relatively high, there is still a certain amount of water running out, the battery needs to add a small amount of distilled water after a period of use, and because there is no flowing solution in the battery, so from the pole The material that is peeled off on the board does not deposit to the bottom causing a short circuit in the battery. However, these substances will always cover the surface of the plate, until too much, the battery storage and discharge capacity will not work, and it is not easy to clean up, so some people say that the maintenance-free battery cannot maintain the battery.

If you don't have the experience to judge when to add water and clean up the battery impurities, then it is recommended that you use a sealed maintenance-free battery, and use a battery when the battery is poor.

However, from the perspective of service life, the water supply battery is longer and the current intensity is better. I used a battery to add water, filter it, and charge it with a smart rechargeable battery. It has been used for 8 years, and it has been started with battery, the storage performance is not much different from the new one.

Advantages of water and battery: instant high current discharge capability, strong power and strong load capacity.

Disadvantages of water and battery: poor endurance, poor deep discharge capability, and poor deep cycle life.

Dry battery, that is, valve-regulated sealed maintenance-free battery, has the advantages of no maintenance in normal use, strong deep discharge capability, strong endurance and long deep cycle life. The disadvantage is: the instantaneous large current discharge capability is poor, it is not suitable for high power discharge, and there is a risk of thermal runaway.

The key is whether there is water in the battery that can flow. This is the most leaky when the tilt or side is placed. In fact, there are many minor differences in electrical performance. For example, water batteries have a higher power supply capacity than dry batteries in a short period of time. Advantages of water and battery: instant high current discharge capability, strong power and strong load capacity. Disadvantages of water and battery: poor endurance, poor deep discharge capability, and poor deep cycle life. Dry battery, that is, valve-regulated sealed maintenance-free battery, has the advantages of no maintenance in normal use, strong deep discharge capability, strong endurance and long deep cycle life. The disadvantage is: the instantaneous large current discharge capability is poor, it is not suitable for high power discharge, and there is a risk of thermal runaway.

Maintenance-free battery: The maintenance-free battery is now confused with the concept. Especially for motorcycles (some low-end car manufacturers do the same). The manufacturer said that the maintenance-free battery is only after you add the electrolyte for the first time, do not add electrolyte in the next 1-3 years of use. (The domestic battery has a normal life span of 2 years, and the joint venture brand is slightly longer). In fact, this is the water battery. The better one is the sealed lead-acid battery, which cannot be said to be a true maintenance-free battery. In fact, these batteries are low in cost and generally in quality. In the past, domestic batteries used a white transparent outer casing, and the electrolyte inside was visible. Now they are all smart (in fact, they are learning from those joint ventures). Black shell packaging, anyway, the average consumer cannot see the inside, just sell the battery, and sell high-priced trademarks. Especially those so-called original joint venture batteries: Guangyang, Tongyi and so on. The first time you use it, you need to add water that is the water battery! Nothing to argue!

Dry battery, scientific name valve controlled sealed lead-acid battery. It is also the current mainstream car and motorcycle using regular maintenance-free batteries. This battery can be used directly after being sold, without adding water. In the process of use, it is not necessary to check the electrolyte, do not add water, and under no circumstances can the sealing cover be opened. This type of battery has a very low discharge capacity and is suitable for long-term storage. This is the real maintenance-free battery, the service life will be longer, the recycling cost of the used battery is high, and the production cost of the enterprise is high, so the price is relatively high. However, many businesses are not willing to sell, and may have lower profits.

Electric bicycles and electric motorcycles have become important means of transportation for large, medium and small cities and are generally accepted by people. Since electric vehicles are generally more expensive than conventional bicycles, the service life has become a major concern. In fact, the battery is one of the core components of the electric bicycle, and the service life of the battery largely determines the service life of the electric vehicle. In this regard, Chaowei battery said that strengthening the maintenance of the battery will extend the service life of the battery. It is understood that the batteries used in electric vehicles are lead-acid batteries! The dry battery is a pit person!

Also send you some information: electric car start

The starting current of the electric vehicle is very large, especially the electric motor of the high-power motor, and the starting current is larger. The high current is very harmful to the battery plate. The best way is to start the electric car before riding.

Battery discharge

After the battery is used for a period of time, some active substances will inevitably sink. If the active substances are not activated in time, it will inevitably have some impact on the capacity of the battery. Therefore, when using electric vehicles frequently, it is necessary to make batteries for each season depth discharge once.

The page contains the contents of the machine translation.