Shandong Weineng Environmental Protection Power Co., Ltd. and other low-temperature lithium iron phosphate lithium ion power batteries, recently passed the expert appraisal organized by the Science and Technology Department of Shandong Province. Yang Yusheng, an academician of the Chinese Academy of Engineering, said that the new battery developed this time can maintain its performance at room temperature at a low temperature of minus 40 degrees Celsius. The low temperature performance is obviously superior to similar products at home and abroad, and can be widely used in electric motors with high battery safety requirements. In the fields of automobiles, buses, mining engineering vehicles, military and aerospace, the technology level is internationally leading.

It is understood that the national "863" plan electric vehicle major project expert group expert Xiao Chengwei said that "active balance" (to transfer the excess energy of the battery to the low) is the project's biggest bright spot, its balanced charging efficiency of 90%, It can effectively promote the industrial application of low temperature batteries. Sun Zechang, a professor at Tongji University, believes that the project products have reached the domestic leading level in terms of high-current energy transfer active balancing technology, modular management technology, online detection and fault diagnosis technology.