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Tester for lithium cells
Buček, Vojtěch ; Tomíček, Pavel (referee) ; Dvorský, Adam (advisor)
The thesis deals with testing the state of lithium batteries, their aging, and verifying manufacturer-specified parameters. Based on commercial solutions for lithium battery testers, a custom circuit is designed and fabricated to verify the parameters of the measured batteries. The design includes necessary modules, components, and a description of the issues related to measuring lithium cells. The proposed tester allows for transferring measured data to a computer for subsequent processing and interpretation. Current necessary information is displayed in real-time on the screen. By comparing with a laboratory tester, the accuracy of the custom device is determined.
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Welder for lithium batteries
Martinček, Martin ; Jaššo, Kamil (referee) ; Vyroubal, Petr (advisor)
This Bachelor’s Thesis deals with the composition of lithium batteries, lithium cell joining, and the design of a device customised for contacting an 18650-size cylindrical cell. The first part discusses the construction, basic materials of the lithium batteries and their applications. In the next section, an overview of several methods of cell contacting and their comparison with each other is presented. The last section discusses different parts of the design and construction of the device, working on the principle of spot resistance welding.
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Welder for lithium batteries
Martinček, Martin ; Jaššo, Kamil (referee) ; Vyroubal, Petr (advisor)
This Bachelor’s Thesis deals with the composition of lithium batteries, lithium cell joining, and the design of a device customised for contacting an 18650-size cylindrical cell. The first part discusses the construction, basic materials of the lithium batteries and their applications. In the next section, an overview of several methods of cell contacting and their comparison with each other is presented. The last section discusses different parts of the design and construction of the device, working on the principle of spot resistance welding.
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