LR6 alkaline battery

　　Lithium battery: Lithium battery contains liquid lithium ion battery and polymer battery.

　　Polymer battery cell: Polymer battery cell is also a type of lithium-ion battery cell, which is different from the 18650 DC liquid electrolyte battery cell. The polymer uses a colloidal electrolyte, so it is also a lithium-ion battery, but it is also different from the 18650 battery cell. Polymer batteries are widely used. Currently, many mobile terminals are powered by polymer batteries, especially mobile phones and mobile chargers.

　　Comparison of the advantages and disadvantages of LR6 alkaline battery and polymer LR6 alkaline battery.

　　The advantage of LR6 alkaline battery lies in their high charge and discharge output power. Under the same working voltage, the limit current exceeds that of polymer lithium battery cells. In other words, LR6 alkaline battery have good output characteristics and high power, and can be used in some equipment that requires a large amount of current in an instant to ensure reliability.

　　The disadvantage of LR6 alkaline battery is their small capacity, which is generally around 800MAH. Moreover, LR6 alkaline battery are unstable under short-circuit faults and extreme external environments, and are very prone to explosion. When a lithium-ion battery explodes due to a short-circuit fault, the plastic shell on its surface is destructive.

　　The advantages of polymer batteries lie in their long battery life and large capacity. The volume of polymer lithium battery is 20% larger than that of lithium battery with the same volume, and it has strong endurance when the current output is stable. In addition, the surface of the polymer lithium battery is a soft material used as the outer box. If a short circuit fault causes the battery to bulge, it will not explode and will always crack, so it is safe.

　　Polymer LR6 alkaline battery should be more stable.

　　Why are polymer LR6 alkaline battery more stable than LR6 alkaline battery? This starts with the structure of the two. A lithium battery is a rechargeable lithium battery that moves between the positive and negative stages with the help of a lithium-ion battery. During the battery charging process, Li is intercalated and deintercalated back and forth between the two levels: when the battery is charging, Li is deintercalated from the positive stage and placed in the negative stage through the lithium battery electrolyte, and the negative stage is in a lithium-rich state; during charging and discharging The other way around.

　　Currently, there are two raw materials for manufacturing LR6 alkaline battery, one is lithium cobalt oxide and the other is lithium iron phosphate. The cathode material of LR6 alkaline battery currently on the market is generally lithium cobalt oxide, so LR6 alkaline battery are also called lithium cobalt oxide batteries. In addition, there is also a lithium battery made of lithium iron phosphate. Lithium iron phosphate has poor physical properties, short charging cycles, easy swelling, and poor performance. Consumer electronic devices generally do not use LR6 alkaline battery made of lithium iron phosphate.

　　However, batteries made of lithium cobalt oxide have a stable structure, a higher specific volume than lithium iron phosphate, and are more expensive than lithium iron phosphate but have a higher safety factor. Therefore, most consumer electronics use lithium cobalt oxide. Raw materials for rechargeable batteries.

　　Before mobile chargers became popular, the LR6 alkaline battery that everyone often came into contact with were laptop batteries. Maybe you can think of it, laptop batteries are rectangular, and LR6 alkaline battery are cylindrical. How to contact the two? The answer is how the power circuit is connected (in series or series). This is what we usually call a 6-cell rechargeable battery.

　　When buying a laptop, the salesperson may tell you to use genuine laptop batteries as much as possible and never buy fake batteries. However, a genuine laptop battery can cost several thousand yuan, while a counterfeit rechargeable battery with the same capacitor may cost only one or two hundred yuan, and the price difference is huge. What's the difference between the two? The answer depends on the design of the rechargeable battery and power circuit.

　　The cost of a good rechargeable battery is at least twice the price of a bad battery. The double price is for a longer lifespan and safer battery structure. In addition, the power circuit will be carefully designed and maintained during the design to maximize the safety of the battery. Counterfeit manufacturers don't do that. They use cost to reduce product costs as much as possible without causing serious quality damage, sell at lower prices, and gain market share.

　　As the power product of lithium battery cells, LR6 alkaline battery are prone to short circuit failure without circuit protection. The design of the overcurrent protection circuit is to maximize the protection of the lithium battery from extreme hazards such as explosion during overshoot.

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