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Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc
Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
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release time:2024-04-07 Hits: Popular:AG11 battery
What are the requirements for Nickel Metal Hydride No. 5 battery management systems? Will low temperature affect the life of lithium batteries?
In the 1990s, motorcycles were always started with a foot start lever, which meant that it was very difficult to start the motorcycle with your feet. For some elderly and weak people, it was difficult to start the motorcycle. Later, the Taiwanese invented the starter motor. They installed a DC motor on the engine and directly used the battery to start the engine. They simply installed a button and it started. However, Wuyang Honda, the leader at the time, did not install this accessory for a long time and always used the foot-activated lever. They probably thought that this new thing was not mature enough, so they delayed it for a long time and found that everyone generally accepted this new thing. The startup method was finally improved. A small motorcycle is so cautious. Of course, the Japanese will not easily make changes to a car that requires higher reliability.
The advantage of lithium batteries is their large capacity, but the main body of hybrids is still driven by the engine. From this perspective, the advantages of lithium batteries are not very obvious over nickel-metal hydride. For example, P4 uses lithium batteries, which are only 10 kilograms lighter than nickel-metal hydride batteries. The overall weight reduction is not too much. After Panasonic acquired Sanyo, all nickel-metal hydride technology was in the hands of Panasonic. Toyota has been cooperating with Panasonic on this project. Prius has been on the market for more than 20 years. The product is relatively stable and reliable. I have never heard of battery explosion or recycling. The car After driving until it becomes scrapped, you can only replace the battery once. Of course, there is no need to bother with this matter.
From a safety point of view, no matter how you play with nickel-metal hydride, there will be no fire problems like lithium batteries. Just imagine, hybrid car batteries are usually installed under the seats. If it is a large Nickel Metal Hydride No. 5 battery, if you know the truth , I really won’t feel too peaceful. If there is a collision, even experts like Tesla who combine lithium batteries will have accidents. However, there have been no similar news reports of fires and explosions in the Prius for so many years. It is indeed the credit of the nickel-metal hydride battery.
Hybrid requires repeated charging and discharging of the battery. If the nickel-metal hydride battery is controlled between 40% and 60% of its capacity, it can be charged and discharged tens of thousands of times, and its lifespan is much longer than that of lithium batteries. Ordinary lithium batteries have a charge-discharge cycle of about 500 times, while nickel-metal hydride batteries can do it up to 2,000 times, and vehicle-mounted batteries will of course be even higher.
Lithium batteries have very high requirements on the management system, requiring protection plates and various balancing devices. Problems may arise if the consistency of the cells is slightly different. Toyota's nickel-metal hydride battery packs can connect hundreds of batteries in series at an incredibly low cost without the need for a balancing circuit. This is similar to the current situation where domestic two-wheeled battery vehicles have been using a large number of lead-acid batteries. It is simple and easy to use, and everyone can use it. Liked it.
Low temperature is also a fatal killer of lithium batteries. A friend has tried to power an outdoor Nickel Metal Hydride No. 5 battery for a wireless monitoring system. The Nickel Metal Hydride No. 5 battery provided by the manufacturer is nominally able to work at minus 20 degrees, but it actually cannot work properly at about minus 18 degrees. The battery capacity Only 12%, almost all mobile phones cannot work normally for more than 5 minutes at minus 20 degrees. Many pure electric vehicles that use lithium batteries cannot be used normally in the north because the battery capacity has dropped sharply and they cannot run even if they have to supply power for electric heating.
Cars are durable goods. Ordinary starting batteries must last three years. For new energy vehicles, batteries generally need to be reliable for 10 years and hundreds of thousands of kilometers. It takes a long time for a product to go from research and development to launch. It takes time for road testing to be handed over to consumers, and it will take many years of use for consumers to discover problems. Since nickel-metal hydride batteries are very mature in traditional hybrids and are cheap, they can usually be installed for a few thousand yuan. Yes, the fuel money saved can be recycled by users soon, and consumers have already recognized it. Moreover, the supply chain of the automobile industry cannot be changed immediately, so why do you have to replace lithium batteries?
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