Hengtong: Fast Charging -- The Most Reasonable Solution for EVs
2012-11-02 Source：www.chinabuses.org
Summarize： "The idea of fast charging is the most reasonable solution for the electric vehicles." General Manager Deng Ping of Chongqing Hengtong Electric Bus Power Systems Co., LTD.
www.chinabuses.org: "The idea of fast charging is the most reasonable solution for the electric vehicles." General Manager Deng Ping of Chongqing Hengtong Electric Bus Power Systems Co., LTD.
"First of all, the fast charging mode is more accord with the traditional habit, such as adding oil." Deng Ping said. In Chongqing, there are 25 pure electric buses into operation. And all of them adopt the titanium acid lithium battery suitable for quick charge. The driver could make use of the 10 minutes when the vehicles drive in the station and complete the charging.
Hengtong Fast Charging Bus CKZ6127HBEV
The expensive price of the battery restricts the pure electric bus' promotion. "Titanium acid lithium battery is much more expensive than the mainstream iron phosphate lithium battery." Deng Ping explained," However, the titanium acid lithium battery has the characteristics of quick charging. So, comparing to other pure electric buses, we only need to assembly one-third of the battery pack in the bus. In this way, our pure electric price is RMB 600,000 cheaper than the general price of the pure electric buses."
Deng Ping also talked about the two shortcomings at present in titanium acid lithium batteries. "One is that the energy density is too low. The once charing could only have a small electric storage power, which is only suitable for bus promotion and not suitable for not passenger cars use. The second one is that the monomer battery price is too high." In his view, if there are more and more people and enterprises pay more attention on the research and development of the titanium acid lithium battery, these two technology bottleneck will be quickly solved.
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