Risesun Mengguli New Energy Science & Technology Co., Ltd

Guizhou Meiling Power Sources Co., Ltd.

Citic Guoan Mengguli New Energy Technology Co., Ltd.

Ningning Wu

Hongwei Zhao

Licheng Tang

Yongzhi Mao

Changxin Guo

Lu Qi

Hua Xu

Hao Guo

Bin Shi

Ting Chen

Zai Yue

Xiaotao Chen

Xiangli Lei

The present disclosure relates to a battery system with adjustable heating rate and control method thereof, the battery system comprises a battery pack, a heating plate, a power control module, and a battery management system; when the temperature of the battery pack is lower than the preset self-heating switch-on temperature, the power control module is turned on, and the battery management system transmits the collected status information of the battery pack to the power control module, the power control module adjusting the current on-off time and switching frequency of the heating plate through a PWM signal to adjust the heating power and heating rate, to realize self-heating of the battery; when the temperature of the battery pack reaches the preset self-heating switch-off temperature, the power control module is turned off to stop heating; wherein, the power control module further includes a current adjustment module, a current acquisition module, and a heating control module. The present disclosure can realize the beneficial effects of fast heating rate, long driving range, and fast charging at low temperature of the power battery system.

Battery system with adjustable heating rate and control method thereof

A lithium ion battery with an internal heating device including a cell provided inside the battery, a first cell tab and a second cell tab provided at the upper end of the cell, and the first cell tab and the second cell tab respectively connected to the cell, a heat generating device inside the cell and including a first layer of heating sheet respectively connected to a first tab of the first layer and a second tab of the first layer extending outside of the cell, a control switch composed of a first control switch and a second control switch, wherein an external equipment and the second control switch form a first branch, the first and second cell tabs and the cell form a second branch, and the first and second tabs, the first layer, and the first control switch form a third branch.

Lithium ion battery with an internal heating device

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Beijing, China

Ningning Wu