AC To DC On Bard Chargers OBC 6.6KW 96V

Dimension of 6.6KW On Board Chargers

Input / Output Connectors Definition of the OBC 6.6KW 96V

The AC To DC On Bard Chargers OBC 6.6KW 96V  can charge lithium iron phosphate batteries and ternary lithium batteries. What are the differences in the optimization of these two batteries?

The first is cost. The cost of lithium iron phosphate batteries is generally more than 20% lower than the cost of ternary lithium. The cost of an electric vehicle with a battery capacity of 70 degrees can save more than 20,000 yuan. At the same time, the negative electrode material of ternary lithium battery requires the use of scarce resources. Cobalt is not only expensive and highly volatile, but most of the world's production comes from Congo, which has problems with illegal child labor and poor mining working conditions.

Then there is the cycle life. The cycle life of lithium iron phosphate batteries is also significantly higher than that of ternary lithium batteries. According to research reports, the cycle life of lithium iron phosphate batteries can reach up to 9,000 times, while the maximum cycle life of ternary lithium batteries can only reach 2,500 times. If we assume that an electric vehicle can run 500 kilometers on a full charge. An electric vehicle using ternary lithium can run up to 1.25 million kilometers, while an electric vehicle using lithium iron phosphate can theoretically run 4.5 million kilometers.

Finally, there is safety. The thermal safety of ternary lithium is worse than that of lithium iron phosphate. When a short circuit or other situation occurs, the battery temperature rises sharply. The self-heat release of ternary lithium exceeds 500 joules per gram, while that of lithium iron phosphate is less than 150 joules per gram. At the same time, ternary lithium batteries will release oxygen when they are thermally decomposed. Greater heat release and oxygen release will increase the risk of thermal runaway.

It should be noted that the above advantages and disadvantages are all aimed at the lithium iron phosphate and ternary lithium materials themselves, and there are many links from battery materials to battery packs and finally to electric vehicles, so there are many Optimized space.

What can be seen at present is that if the disadvantages of energy density and low temperature can be overcome, the other three advantages of iron phosphate, safety, cost and cycle life, are very attractive.

Applications of the 6.6kw On Board Chargers(OBC)

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