As an 18650 Battery Factory, share with you. In recent years, the rapid
development of new energy vehicles in China has driven the strong demand for
power lithium batteries. Cathode materials are the most critical raw materials
in lithium batteries. In the current market, power battery cathode materials
have three characteristics: system diversification, personalized demand, and
The first characteristic is the system diversity. At present, the positive materials of power batteries on the market mainly include lithium manganate, lithium iron phosphate, nickel-cobalt lithium manganate and nickel-cobalt binary material systems. Different material systems have their own characteristics and have their own application fields and market demands.
SANYO Lithium Ion Battery
Lithium manganate system has the characteristics of low cost, high platform, excellent safety performance, etc. It occupies a large share in the fields of replacing lead-acid batteries and low-speed logistics vehicles. However, this material has a low volume specific capacity and poor high-temperature cycling, which limits its application in commercial vehicles and logistics vehicles.
Lithium iron phosphate battery is the most widely used power battery material in the Chinese market. The high safety and cycle stability of this material make it occupy a certain position in commercial vehicles, special vehicles and other applications.
The nickel-cobalt lithium manganate and nickel-cobalt binary materials have increased their share in the power market in recent years. The world-famous Tesla electric vehicle has opened a new era of ternary electric vehicles. Based on the constant pursuit of volume specific energy, more and more electric logistics vehicles and passenger vehicles choose to use such materials.
Personalized demand is the second characteristic of positive materials for power batteries. In the early stages of market development, new energy vehicles are in full bloom, and the requirements for power batteries and materials are also different. At present, power battery products have a variety of systems such as soft packs, aluminum shells, and cylinders. The performance requirements of each system and their application requirements in various battery factories are also different. Car manufacturers focus on the differences in battery management system support and application environments, and there are also large differences in battery performance requirements. For example, some manufacturers have strict requirements on the high-temperature cycle of the battery, some manufacturers pay more attention to the low-temperature cycle life, and some manufacturers pay more attention to the fast charging performance.
The change in the market is the third characteristic of positive materials for power batteries. The “encounter” of the ternary battery in 2016 can be described as ups and downs, which are sometimes denied and sometimes sought after. For the first time, the new subsidy policy proposes to use battery energy density as a reference indicator on product technical requirements. In the development direction of higher energy density, high-nickel ternary materials will undoubtedly become a hot spot for R&D and industrialization in the future.
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