-Which is more cost-effective to use dry batteries or rechargeable batteries, and which is more durable, dry batteries or lithium batteries?

Which is more cost-effective to use dry batteries or rechargeable batteries, and which is more durable, dry batteries or lithium batteries?
author:enerbyte source:本站 click140 Release date: 2024-07-04 09:12:58
abstract:
Lithium batteries: The positive electrode plate is made of ductile carbon, and the negative electrode is made of lithium-ion compounds. Currently, there are two types: lithium cobalt oxide and lithium iron phosphate. There are roughly two types of structures: one is a wound type, and the other is a...

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Lithium batteries: The positive electrode plate is made of ductile carbon, and the negative electrode is made of lithium-ion compounds. Currently, there are two types: lithium cobalt oxide and lithium iron phosphate. There are roughly two types of structures: one is a wound type, and the other is a stacked type. Currently, the main type is a wound type, which is one layer of positive electrode plates and one layer of negative electrode plates, with an insulating and permeable ion separator in the middle. They are then rolled together and placed in a packaging shell or bag; Stacked type refers to the sequence of stacking a layer of positive electrode, a layer of separator, a layer of negative electrode, and a layer of separator with the same shape into a package. The voltage of lithium batteries is generally 3.6V and 3.7V

Dry battery: A chemical battery that generates direct current using a paste like electrolyte (wet battery is a chemical battery that uses liquid electrolyte). It can be roughly divided into two types: primary battery and battery. It is widely used in daily life and is lightweight. They can be used on many electrical appliances.

There are many classifications for both regular and rechargeable batteries

According to what you mean, a regular battery is a primary battery that is not rechargeable. Common types include carbon based batteries, alkaline batteries, and primary lithium batteries, which have the advantages of being inexpensive (compared to secondary batteries, they are actually not much cheaper), long storage time, low self discharge, low weight, and easy to carry. The disadvantage is that it is not rechargeable, has high one-time usage costs, and discarding it can generally pollute the environment. It is suitable for appliances with low power consumption and low usage current.

Rechargeable batteries, also known as secondary batteries, commonly include lead-acid batteries, nickel cadmium batteries, nickel hydrogen batteries, lithium-ion batteries, and lithium iron phosphate batteries. The disadvantage is that they are expensive, and the accompanying charger is even more expensive, with a larger weight and higher self discharge (although secondary lithium batteries are relatively small, they are still relatively large compared to disposable lithium batteries). The advantage is that the average price is more affordable after multiple uses, the discharge current is large, and it is suitable for frequently used and high power consuming appliances.

Simply put, it means two complements. The disadvantage of a primary battery is the advantage of a secondary battery, and the advantage of a primary battery is the disadvantage of a secondary battery. However, the common point is that discarding it will pollute the environment to varying degrees

At present, more than 90% of the household intelligent anti-theft fingerprint locks on the market are powered by dry batteries. According to the manufacturer's introduction, 8 dry batteries can be used for more than a year, and 4 dry batteries can be used for about 8 months. This is good for household use and completely feasible! However, there are now many lithium batteries as power sources in the market! Although this is not a new thing, it has been around for many years and has not become mainstream, I think there are several main reasons:

1. Improper wiring for battery charging;

2. The battery technology itself is not very good;

3. The cost of the battery itself is high;

4. Frequent charging is troublesome;

5. There is no convenient dry battery.

At present, trying to improve power supply is a good thing. Power supply issues are a pain in many industries. If technological innovation is breakthrough, providing more convenient and safe power supply solutions will be a great joy! For the present, Xiaoying does not believe that using lithium batteries is a wise move. How can she say so? Below, Xiaoying will give you the following analysis:

1. Safety of the power supply itself: Samsung is considered a well-known brand, and the explosion of flagship products can be attributed to power supply issues. Other brands have also experienced lithium battery problems, so it seems that the risk of using lithium batteries recklessly is quite high, and there are safety hazards!

2. Convenience: There are no fixed specifications or models for lithium batteries used by lock factories, and there is no unified awareness of industry integration. Ordinary No. 5 dry batteries are everywhere, making it difficult to find lithium batteries with exactly the same specifications.

3. High safety risk: Lithium batteries need to be charged, and if wired, it may not be aesthetically pleasing and there may be leakage. If not wired, it is necessary to plug and unplug for charging, which increases the risk of using 220V power.

4. The quality of the product itself is worrying: many manufacturers say it can last for six months, but the results are mostly two to three months. The new technology materials have not been widely used and promoted, and the actual use is far from ideal.

5. The cost of use is much higher than that of ordinary dry batteries: ordinary dry batteries cost only about 30 yuan per year based on 16 units, and 100 yuan per 3 years. However, currently, lithium batteries in the market are priced at more than 100 yuan for large capacity, reliable quality, and generally, there are too few that are not replaced after 3 years, and the cost of later configuration is relatively high.

6. The existing No. 5 battery: replacing it about once a year is more user-friendly and acceptable, there is no need to be flashy or impractical.

Of course, Xiaoying did not deny innovation, but only believed that before it was fully mature and the technology was still controversial, she would rashly abandon something more reliable and take risks! The pace of research and development cannot stop, but it cannot be promoted! We must respect industry professionalism! We look forward to breakthroughs in new materials and technologies!

Philips shavers are rechargeable

The durability of Philips rechargeable batteries is similar to that of mobile phone batteries, as long as the battery cells are not particularly poor, there is basically no need to consider them. In 3-4 years, it is estimated that your shaver will be replaced with a new one. If you are more frugal, you can actually use a broken battery without repairing it. Because many models support both AC and charging, they can be powered by AC power by plugging in the power cord, regardless of the battery.

The electric shaver consists of a stainless steel mesh cover, an inner blade, a micro electric motor, and a housing. A mesh cover is a fixed outer blade with many holes on it, into which the beard can extend.

A micro electric motor is driven by electrical energy, which drives the inner blade to move and uses the cutting principle to cut off the beard that extends into the hole.

Electric shavers can be divided into two types based on the movement characteristics of the inner blade: rotary and reciprocating. The power sources used include dry batteries, batteries, and AC charging

Philips, Braun, Panasonic, and Gillette are all good. If the beard is soft, the preferred option is a Gillette manual one, which provides good comfort and a clean shave; And manual shaving is also easy to meet your requirements for a beard shape. For large whiskers, you can choose a three blade Philippe or Borang, or choose the Gillette 3 series, mainly for clean shaving and high comfort. Generally, you can choose Philippe and Panasonic two blade shavers. The above brands have been used in their shaving career for more than ten years, and as for whether to choose a rechargeable one, it depends on whether you are at home or on frequent business trips: choose a rechargeable one at home (there are often no extra plugs when staying in hotels, and some often forget to unplug them), and choose a dry battery one for business trips, which is convenient. Moreover, the above brands can be supported by two No. 5 'Nanfu' batteries for more than ten years. Around January, I believe that the two blade dry battery type Philips has the highest cost-effectiveness, and the mall's special price is only 88 yuan. Hehe, anyone who has used it knows!


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