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Top 10 BEV models and power battery information in china in 2021
What is automotive power battery?
The all-electric vehicle (BEV), the ultimate mode of future mobility, is currently and for some time to come powered primarily by lithium batteries, whose battery packs typically consist of:
①Battery cell:
composed of cathode active substance (determine the voltage capacity of the battery), anode active substance, separator (prevent short circuit) and electrolyte stored in the battery case (balance current), to provide energy for charging and discharging.
②Battery module:
the battery cell is connected in a frame to form a “module” to prevent it from being affected by external shock, heat and vibration. This format allows for different battery configurations, increasing the voltage or current output by connecting the batteries in series or parallel.
③Management controller (MC):
there are different levels, namely core management controller (CMC) and module management controller (MMC).
④Battery management system (BMS):
its main function is to use charging and load balancing to prevent deep discharge, overvoltage, rapid discharge, large current consumption damage battery string. BMS also collects information from the MC to monitor various battery parameters (such as battery voltage, temperature, current, number of charge/discharge cycles), calculate the charging status/operating time of the battery, and determine the health of the battery.
⑤Power distribution module (PDM) :
also called the battery connector (BJB), it is a switch, used to connect/disconnect the battery connected to the power electronic devices, through safety fuse, switch, fuse switch, resistor, circuit breaker, relay/contactor, electrical connections and solid state power controller (SSPC) to guide the high current, and to prevent the over current of battery Impact.
⑥Cooling system:
control the temperature of the cell to ensure the safety, functionality (cold start) and performance of the battery pack.
Different kinds of lithium power batteris
Lithium ion battery can be divided into square, cylinder and pouch from the perspective of packaging. From the point of view of cathode materials, it can be mainly divided into ternary and lithium iron phosphate batteries. At present, various types are used as power batteries by various car companies. We won’t go into too much detail here, but if you want to know more about the differences, you can browse our previous articles by clicking on the link above.
There may be a shortage of batteries
Globally, ev battery supply will grow to about 750GWh by 2025, up 20 percent from 200GWh in 2018, according to McKinsey. While this is consistent with demand until 2023, supply shortages could come later if new capacity is not rapidly expanded.
For Europe, supply is expected to grow by about 40 per cent a year, from 15GWh in 2018 to more than 150GWh in 2025. In Europe, shortages could also result if demand grows faster than expected or takes longer to fully utilize planned capacity. Much of the capacity growth in Europe is being driven by Asian battery suppliers building large plants near European main engine plants and by Northvolt building a 32GWh plant in Sweden.
Top 10 BEV models and power Battery information in China in 2021
Hongguang Mini
Sales: 389810
Market share: 15.6%
Technical route: Ternary, lithium iron phosphate
Cell shape: Square, cylinder
Battery enterprise:
Great power, GOTION High-tech, CATL, REPT, Phylion
Tesla Model Y
Sales: 170586
Market share: 6.8%
Technical route: Ternary, lithium iron phosphate
Cell shape: Square, cylinder
Battery enterprise:
CATL
Tesla Model 3
Sales: 151229
Market share: 6.0%
Technical route: Ternary, lithium iron phosphate
Cell shape: Square, cylinder
Battery enterprise:
LG Chem, CATL
BYD Han
Sales: 78715
Market share: 3.1%
Technical route: Lithium iron phosphate
Cell shape: square
Battery enterprise:
BYD
Chery eQ1
Sales: 75170
Market share: 3.1%
Technical route: Ternary, lithium iron phosphate
Cell shape: Square, pouch, cylinder
Battery enterprise:
DFD, GOTION High-tech, Huading Guolian, CATL, RiseSun MengGuLi, EV Energies, Zhongxing High Energy
Benben E-star
Sales: 75135
Market share: 3.0%
Technical route: Ternary, lithium iron phosphate
Cell shape: square
Battery enterprise:
GOTION High-tech, CATL, CALB
Chuanqi Aions
Sales: 71790
Market share: 3.0%
Technical route: Ternary, lithium iron phosphate
Cell shape: Square, pouch
Battery enterprise:
Farasis, CATL, CALB
Xiao Peng P7
Sales: 60133
Market share: 2.9%
Technical route: Ternary, lithium iron phosphate
Cell shape: Square, pouch
Battery enterprise:
EVE, CATL
ORA R1
Sales: 59462
Market share: 2.4%
Technical route: Lithium iron phosphate
Cell shape: Square, pouch
Battery enterprise:
SVOLT, EV Energies, TAFEL, CATL
NETA V
Sales: 46380
Market share: 2.4%
Technical route: Ternary, lithium iron phosphate
Cell shape: Square, pouch
Battery enterprise:
SVOLT, EV Energies, Huading Guolian, CATL