China has been experiencing a rapid increase in battery-powered personal transportation since the late 1990s due to the strong growth of the electric bike and scooter (i.e. e-bike) market. Annual sales in China reached 17millionbikesyear-1 in 2006. E-bike growth has been in part due to improvements in rechargeable valve-regulated lead-acid (VRLA) battery technology, the primary battery type for e-bikes. Further improvements in technology and a transition from VRLA to lithium-ion (Li-ion) batteries will impact the future market growth of this transportation mode in China and abroad.Battery performance and cost for these two types are compared to assess the feasibility of a shift from VRLA to Li-ion battery e-bikes. The requirements for batteries used in e-bikes are assessed. A widespread shift from VRLA to Li-ion batteries seems improbable in the near future for the mass market given the cost premium relative to the performance advantages of Li-ion batteries. As both battery technologies gain more real-world use in e-bike applications, both will improve. Cell variability is a key problematic area to be addressed with VRLA technology. For Li-ion technology, safety and cost are the key problem areas which are being addressed through the use of new cathode materials.


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    Titel :

    Lead-acid and lithium-ion batteries for the Chinese electric bike market and implications on future technology advancement


    Beteiligte:
    Weinert, J.X. (Autor:in) / Burke, A.F. (Autor:in) / Wei, Xuezhe (Autor:in)

    Erschienen in:

    Journal of Power Sources ; 172 , 2 ; 938-945


    Erscheinungsdatum :

    2007


    Format / Umfang :

    8 Seiten, 30 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




    LEAD-ACID AND LITHIUM-ION BATTERIES FOR THE CHINESE ELECTRIC BIKE MARKET AND IMPLICATIONS ON FUTURE TECHNOLOGY ADVANCEMENT

    Andrew, B. / Jonathan, W. / European Association for Battery, Hybrid and Fuel Cell Electric Vehicles. Vehicles | British Library Conference Proceedings | 2007



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