What is the difference between dry batteries and water batteries for electric vehicles?

Introduction What is the difference between dry batteries and water batteries for electric vehicles? Water battery, also called maintenance-free battery: Maintenance-free batteries are now confused, particularly for motorcycles (certain low-end car manufacturers

What is the difference between dry batteries and water batteries for electric vehicles?

Water battery, also called maintenance-free battery: Nowadays, the concept of maintenance-free battery is confusing, especially for motorcycles (some low-end car manufacturers also do it). The maintenance-free battery mentioned by the manufacturer simply means that after adding the electrolyte for the first time, do not add any more for the next 1-3 years of use. (The normal lifespan of household batteries is 2 years, while joint venture brands have a slightly longer lifespan).

In fact, it is a water battery. Best of all, it's a sealed lead acid battery. It cannot be said at all that this is a truly maintenance-free battery. This type of battery is actually inexpensive and of average quality. In the past, domestically produced batteries used a white and somewhat transparent casing, and one could see the electrolyte inside, but handholding people are smarter (in fact, they learned from these joint ventures); ) and use opaque boxes. Packed in a black case, ordinary consumers can't see the inside anyway. So they are sold as dry batteries, labeled as premium products and sold at a premium price. Especially those so-called original joint venture batteries, Guangyang, Uni-President, etc. You need to add water for the first use, it's a water battery! There is nothing to defend!

Dry battery, whose scientific name is sealed lead acid battery, regulated by valve. It is also today's mainstream cars and motorcycles that regularly use maintenance-free batteries. This type of battery can be used directly after being installed in the car without adding water. There is no need to check the electrolyte during use, do not add water and open ein no case the sealing cover. This type of battery has an extremely low discharge capacity and is suitable for long-term storage. This is a truly maintenance-free battery, and its lifespan will be longer. The recycling cost of used batteries is high and the production cost of enterprises is high, so the price is relatively high. However, many traders are not willing to sell it because the profit might be lower.

As lithium metal is too reactive, dangerous to charge, and easy to explode, it is used as a primary battery.

Lithium primary battery is a high-energy chemical primary battery, commonly known as lithium battery. Metallic lithium is used as a negative electrode, solid salts or salts dissolved in organic solvents are used as electrolytes, and metal oxides or other solid or liquid oxidants are used as electrolytes.nt used as positive electrode active materials. The most common are batteries used in motherboards, watches, electronic calculators, cameras, etc., also called lithium batteries. They are not rechargeable.

Seawater batteries should be stored in the battery box without salt water for stable storage. When used, the electromotive force is generated by the injection of salt water. It is clear from this mechanism that seawater batteries are primary batteries that can produce electricity but cannot be charged.

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