Analysis on the advantages and disadvantages of various types of electric vehicle batteries

Today for the analysis of the advantages and disadvantages of various types of electric vehicle batteries, lead-acid batteries, or lithium batteries good this is everyone will consider when to buy electric cars a problem. From a security perspective, lead-acid battery there is no organic electrolyte, general won't happen explosion accidents such as fire; And the lithium battery has certain sealed space, and contains organic matter, in the case of incorrect use may happen explosion accidents such as fire. Therefore, security, lead-acid battery is better than that of lithium battery. In terms of energy density, one kilogram of lithium battery contains energy, is a 3 - one kilogram of lead-acid batteries 4 times. That is to say, under the condition of the same weight, lithium battery can run farther than lead-acid batteries. As a result, the energy density, lithium battery is better than that of lead-acid batteries. From the point of view, the service life of lithium-ion battery with a set of good quality, cycle number can reach 1000 times or so, lead-acid battery is only about a third of lithium-ion batteries. Therefore, the service life of the lithium battery is better than that of lead-acid batteries. In addition, the lithium battery according to different materials, also can be divided into lithium iron phosphate batteries, ternary lithium batteries, manganese acid lithium battery. Lithium battery materials, features will be different, generally summarized as follows: security: lithium manganese acid lithium iron phosphate > > ternary lithium; Life: lithium iron phosphate > > ternary lithium manganese acid lithium; > > capacity: the ternary lithium iron phosphate lithium manganese acid lithium; Price: lithium iron phosphate > > ternary lithium manganese acid lithium. Therefore, whether than lead acid battery and lithium battery, or different materials compared to lithium batteries, they all have their own advantages and disadvantages, we can't simply use a 'good' or 'bad' to define.