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Please contact Customer Service at Email address: Forgot email? Password: Forgot password? First time user? Forgot password? Forgot email? Still unable to sign in? This module serves to manage the electrical and thermal load of the battery. It is very important that the battery cells charge and discharge at the same rate, to ensure thermal stability and a long life for the battery pack. A single cell module was removed from the battery pack and then disassembled to release a single SBZ6 battery cell for further analysis, as shown in Figure 4 and Figure 5.
The SBZ6 battery cell was then carefully discharged prior to performing an analysis of the internal structure of the battery cell.
An optical cross-sectional image of the internal structure of the SBZ6 battery cell is shown in Figure 6. Further discussion of lithium ion battery technology can be found in our recent article published by EEPower. The area shown in Figure 6 is near the edge of the battery cell.
The separator and Al cathode electrode extend further than the Cu anode electrode, and the separators ensure complete electrical separation of the anode and cathode active materials. A more detailed SEM cross-sectional view of the cell structures is presented in Figure 7. Our analysis found the cathode active material to be formed with LiNiMnCoO2 particles, while the anode active layer is formed using graphite. The separator comprises an organic film coated on one side with a metal oxide.
First, it results in a lower cost, since cobalt is expensive and second, substituting Ni gives a higher operating voltage, which leads to higher efficiency. This power module provides the 3-phase AC power required to drive the electric motor of the drive unit. Hybrid and EV automotive technologies depend on a wide range of power electronics and Li ion battery technologies.
By contrast, modern hybrid and EV vehicles, and even conventional gas-powered cars, are awash with sophisticated electronics. TechInsights provides reverse engineering and analysis services that address products in the power electronics market.
Our Power Semiconductor subscription provide insights into emerging power semiconductor products as they enter mass production in high-volume applications.
For more information please contact us at info techinsights. A Review of the Chevy Bolt Powertrain. Latest Posts From Our Blogs. TechInsights quick teardown answers some of these questions.
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