October 24, BMW Brilliance Battery Center opened in Shenyang, the center will produce a new generation of BMW battery pack, and will be mounted on the new BMW 5 Series plug-in hybrid models, which will be the next month's Guangzhou Auto Show On the official debut, and listed next year; the same time, according to car cloud understanding, BMW will soon launch the new domestic X3 models, will also contain a hybrid version, the preparatory work has been included in the plan, if no accident, the new X3 hybrid models also Will use the battery pack produced by the battery center.
BMW Brilliance Battery Center
Energy density ranks first in the industry power battery pack
The BMW in the new power battery center put into operation a new generation of power battery pack, in addition to electronic control system and cooling system, the other parts are achieved in the domestic R & D and production.The battery pack uses a unique dual-module design, a The battery pack contains four dual modules, a single module contains 12 batteries (Ningde era to provide batteries, the core energy density of 165 watts / kg), so the entire battery pack used a total of 96 batteries By the Ningde era with the development of BMW); in a very compact internal mechanical design, the total capacity of the battery pack reached 13 kWh (350 volts, six full hours of household electricity filled), only 117.2 kg, the energy density Generation 5 series plug-in hybrid upgrade 70%, reached 111 watts / kg.
BMW Group currently used high-voltage power battery production process is divided into two stages.First of all, in the highly automated process, the standard specifications of the lithium-ion batteries after automatic inspection, the combination of a larger battery module in the second stage , The battery module and connector, control unit and cooling unit together in the aluminum shell, assembled as a complete high-voltage power battery.This production model has two decisive advantages: First, the standardization module to ensure uniform quality in production Standard, and widely adapted to the BMW new energy models to lay the foundation, the modular concept can also quickly respond to customer needs; Second, the size of aluminum shell, shape and the number of modules can be used in accordance with the various models of BMW models.
12 batteries form a single module
In addition, the battery pack can achieve an instant 93 kW and 46 kW high power output, and designed 15% of battery redundancy to ensure that the vehicle at any level of power can be achieved under the eBoost function for the vehicle in the high-performance state to provide A steady stream of explosive power to meet the BMW model driving mode function needs.
In the security, covering the battery research and development, production, testing in one of the Brilliance BMW Power Battery Center for the development of the battery, battery batteries, battery packs and vehicle three levels of a total of 9-layer security strategy, including the collision Such as puncture, fire, soaking, squeezing, flip, etc., to meet the stringent quality standards of BMW in the world in extreme environmental testing in China, even in the cold weather at minus 30 ℃, The battery can still provide power output, to ensure the excellent performance of vehicle performance.
Battery pack within the cell structure, No. 8 label attached to the middle of the battery control tank
'Industrial 4.0' design concept also implemented in the center of China's high-voltage power battery production set a new standard.In the large data, IPM integrated process management system can be traced back from the battery components to the power battery put into use the whole process, Even including tightening torque information for quality management. Automatic laser welding provides high accuracy and stable welding quality, increasing the strength of the module frame and the reliability of the electrode connection to ensure battery performance and safety. Conducted optical inspection, responsible for testing the abnormal trend of welding, verify and optimize the welding quality, to prevent the occurrence of quality defects.
The entire working environment of the production process has a strict cleanliness and temperature and humidity control. Plasma cleaning technology applications to ensure that the surface cleanliness of the components and enhance the surface tension, so that between the components of the insulation foil and glue can be better attached to Metal surface. In the final stage of the production of the dual module, the fully enclosed workstations are more strictly controlled than the relative humidity of less than 31% to ensure the quality of the glue. The sucker structure on the robotic arm is also a major highlight of the automatic production line Crawl and transfer cell components, will not carry impurities, but also to avoid the possibility of manual operation possible.
New 5 Series plug-in hybrid models are expected to receive new energy subsidies
The new battery pack produced by the new power battery factory, located in front of the rear axle of the new 5 Series Li models, under the body, across the drive shaft, from the photo, the battery pack and the entire bottom of the vehicle shape to do a very good Match, integration is very high, not only does not take up the space of the trunk, but also reduces the center of gravity of the body.
If you use e-drive pure electric drive vehicles, the new 5 Series plug-in hybrid (530Le) can provide 61 km of pure electric mileage, can also accelerate the vehicle to 140 km / h, with a 2.0 liter double Turbocharged turbocharged engine and high efficiency motor, the whole system maximum output power of 185 kilowatts, integrated torque up to 420 Nm.
According to the BMW revealed that the current models have been included in the Ministry of Industry, "new energy vehicles to promote the use of recommended models directory", will be listed in early 2018 and is expected to enjoy the central and local preferential policies. And, in the future new 5 series of mixed version Will also be limited by the limited edition models equipped with wireless charging technology for customers to bring more convenient charging experience.
In addition, in the power battery recycling, BMW Brilliance and local battery recycling company Bangpu Group to reach a co-operation, all of the Connaught 1E waste batteries will be dismantled and recovered from Hunan Bangpu, the overall recycling rate can reach 98.5% (government On the battery recycling harmless treatment is to reach 95%).
BMW Brilliance Battery Center is the third BMW Group and the first complete outside of Germany, the first complete power battery center, battery research and development, production and testing in one with innovative and internal custom production process, to further enhance the BMW Brilliance in the new Energy vehicles in the field of strength.Currently, BMW Brilliance is developing, battery solutions, technological innovation, brand and product, charging and infrastructure and electric travel services and other six aspects of active construction of a complete new energy ecosystem.
In addition to battery production, this power battery center also integrates R & D, quality, laboratory, procurement and supply chain management and other functions. Strong production capacity, to achieve the power battery safety, durability and performance of the best combination A solid foundation, while products can be faster to market.
BMW Group plans to 2025, pure electric and plug-in hybrid models will reach the company's total sales of automotive products from 15% to 25% .2016, electric vehicles accounted for about 2.6% of the global sales of BMW Group, in some EU countries Electric car sales accounted for even as high as 20%; which, BMWi3 has become one of the world's three best-selling pure electric vehicles in this year, BMW Group plans to achieve 100,000 new energy models annual sales target.
In the Chinese market, BMW Brilliance has produced four new energy vehicles, including Connaught 1E pure electric vehicles, BMW530Le and the sale of the Connaught 60H and BMWX1 plug-in hybrids.According to Brilliance BMW president and CEO Wei Lande introduction , The new BMW 5 Series plug-in hybrid models will be in November at the Guangzhou auto show on the world's first, the new car in the new Dadong factory production.
BMW Brilliance has started research and development of new energy vehicles since 2011 and has set up a high-voltage power battery laboratory, which will further expand the competitive advantage of BMW Brilliance in the new energy sector. At the same time, the realization of traditional energy vehicles and new energy Car collinear production. BMW Brilliance Shenyang engine factory also changed its name to powertrain factory.