Advances in Electrochemical Energy Materials and Technologies

CRC Press
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Electrochemical Energy Advanced Materials and Technologies, 2016, pp. 33 - 53
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Greenhouse gas emissions from consumption of fossil fuels by traditional vehicles are major causes of global warming and worldwide climate change. Rechargeable batteries are widely considered as the promising power source for the next generation of electric vehicles in order to relieve our reliance on fossil fuels. The lithium ion battery is well recognized as the best choice among all different electrochemical power sources, such as fuel cells, solar cells, lead-acid, Nickel-Cadmium and Nickel metal hydride batteries. The research and development (R&D) on the lithium ion batteries has progressed rapidly since it was first commercialized in the 1990s. Rechargeable lithium ion batteries have revolutionized portable electronic devices and have become the dominant power source for mobile phones, laptop computers and digital cameras because of their high energy density.[1,2] However, the charge/discharge process in lithium ion batteries at high current rates can cause a high level of polarization for bulk materials and degrade the electrochemical properties of the batteries. The development of electric vehicles or hybrid electric vehicles demands high power batteries, which can operate under high current conditions. In following sections, we will briefly introduce advances in materials and technologies for lithium ion batteries and lithium oxygen batteries.
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