Which is more harmful to lithium-ion batteries or lead-acid batteries?

Lead-acid battery electrolyte is a kind of dilute sulfuric acid, which is harmful to human skin and eyes. Once contacted, rinse with clean water immediately. If it is serious, go to the hospital for diagnosis and treatment. Batteries contain heavy metals such as mercury, lead, cadmium, and nickel, and electrolyte solutions such as acids and alkalis, which are harmful to the human body and the ecological environment to varying degrees. Lithium-ion batteries The lithium-ion batteries we usually see are cylindrical batteries, soft-pack batteries and square batteries, which are generally beautiful in appearance and small pieces. Lithium-ion batteries have high energy density and are often afraid to design large capacity. The energy density of lead-acid batteries is about 40Wh/kg, while lithium-ion batteries have exceeded 150Wh/kg, and only excessive lithium-ion batteries can be used. In the event of an accident, firefighters and extinguishing agents cannot reach and cannot do anything. Isolate the scene in the event of an accident, and allow the battery to react by itself until the energy burns out. The positive lithium cobalt oxide and negative lithium ion-intercalated carbon materials used in mobile phone batteries are irritating once they are directly contacted or eaten by mistake. In particular, the positive electrode contains the heavy metal element cobalt, which is quite toxic. In fact, most battery systems, not just lithium-ion batteries, need to be disassembled. The inside is composed of poisons, because at least one of its poles must have strong oxidizing or reducing properties, and there are very few such substances. Some are harmless to people. Recycling methods The current recycling rate of lead-acid batteries is very high, almost 100% in my country; and with my country’s technological level, the pollution during the recycling process is actually very small. In addition, the current domestic lead-acid battery repair technology is relatively mature, and many users will choose to repair the battery, and prevent the recycling of the battery. And the repaired battery can reach 80% of the normal battery. Lithium-ion battery is still a battery system with poor safety. The energy of lithium-ion batteries is very high. Once encountered in a harsh environment, whether it is too high temperature, mechanical squeeze and puncture, or even overcharge and discharge or even short circuit, the battery is prone to overheating and even burning. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous post: What are the solutions after 18650 battery failure