Series-parallel connection switching device, battery pack and vehicle
A switching device and parallel connection technology, which is applied to battery pack components, secondary battery repair/maintenance, secondary battery charging/discharging, etc., can solve the problems of poor switching effect of series-parallel switching devices
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[0033] In order to make the application more clearly understood by those skilled in the technical field to which the application belongs, the technical solutions of the application are described in detail below with reference to the accompanying drawings and through specific embodiments.
[0034] The solid-state lithium battery realizes the series-parallel switching of multiple battery modules in two different modes of charging and working through the series-parallel switching device to match the voltages in the two different modes of charging and working. The rotating body fits and rotates, and friction will occur between the pole lugs and the rotating body, which will lead to the wear of the pole lugs. The electrical connection between the resistor and the electrical connection position is unstable before and after switching, and there may be an open circuit problem in severe cases, resulting in the battery module not being able to be charged in the charging mode, unable to w...
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