Explosion -proof lithium ion battery

The utility model provides an explosion -proof lithium ion battery, this lithium ion battery include shell, electrode subassembly, electrolyte, apron subassembly, electrode subassembly includes positive pole, negative pole, is located separator and dabber between positive pole and the negative pole, the dabber inserts electrode subassembly's the shape of center in order to support electrode subassembly, the dabber is the hollow tube, wherein is being provided with electromagnetic component, is punctureing the component, punctureing the component and being made by magnetic material, it sets upin the hollow tube of dabber, and with the apron subassembly is relative, be in under the abnormal conditions at the battery, drive through electromagnetic component puncture the component in the hollow tube for let out pressing plate movable. The current dabber of make full use of has found the explosion -proof equipment who improves the lithium cell security, through the accurate battery internal state that detects of s