3results about How to "Reduce heat up" patented technology

The utility model relates to battery technology field provides a kind of battery pack temperature maintaining system, comprising: battery pack, the outer surface of the battery pack is equipped with light-absorbing layer;Transparent outer wall, it is set to the outside of the battery pack with the battery surrounding and is equipped to form accommodating cavity, the accommodating cavity is communicated with atmosphere;Temperature pressure suction cavity, the temperature pressure suction cavity is communicated with the accommodating cavity and forms containing space, the non-transparent cooling liquid is accommodated in the containing space;The cooling liquid can flow under the action of air pressure between the temperature pressure suction cavity and the accommodating cavity.This battery pack temperature maintaining system can reduce the energy loss of battery pack in low temperature environment, improve the energy maintaining capacity of battery pack.

The present application relates to the technical field of chemical separation, and discloses a carbon dioxide capture system and process, which comprises an absorption tower, a tower body of the absorption tower being provided with an absorption liquid inlet, a lean gas outlet and a lean liquid inlet at the upper portion, a gas source inlet and a rich liquid outlet at the lower portion, and a cooling device arranged in the absorption tower; an analysis tower, a tower body of the analysis tower being provided with a rich liquid inlet and a CO2 outlet at the upper portion, and a lean liquid outlet at the lower portion; a first pipeline connecting the rich liquid outlet and the rich liquid inlet; a second pipeline connecting the lean liquid outlet and the lean liquid inlet; a lean-rich liquid heat exchanger connected to the first pipeline and the second pipeline; and a baffle heat exchanger arranged on the first pipeline between the lean-rich liquid heat exchanger and the analysis tower. The rich liquid is pre-analyzed before entering the analysis tower, so that the load of the analysis tower is reduced, the analysis efficiency is improved, and the comprehensive energy efficiency of the carbon dioxide capture system is improved.

The invention provides a battery positive electrode tab cutting position optimization method and device and a battery preparation method, and belongs to the technical field of battery safety. The method comprises the following steps: acquiring structural design parameters of prepared different batteries and damage data after being impacted by a heavy object in different charge states; based on the multiple groups of structural design parameters and the corresponding damage data, constructing a cutting position optimization model; obtaining structural design parameters of the to-be-optimized battery; and taking the structural design parameters of the to-be-optimized battery as the input of the cutting position optimization model to obtain the cutting position of the positive tab of the to-be-optimized battery. According to the invention, the optimal cutting position of the positive pole lug of the battery is determined through the structural design parameters to produce and prepare the battery, so that the safety of the battery after being impacted by a heavy object can be effectively improved, and the temperature rise and explosion risk of the battery is reduced.