The Applications And Prospect Of Ionic Liquids In Electrochemistry Field As Electrolyte

Lithium-ion batteries become the most widely used secondary batteries, oweing to its high energy density, high voltage and long cycling life, since it has been developed successfully by SONY corporation in 1991. It is well known that there are two major problems of energy crisis and environmental pollution in the new century. So the urgent need is to develop high power and high-capacity lithium-ion batteries to meet the requirements of the energy saving environmental electric vehicles or hybrid vehicles and energy storage battery. It is the focus research that develop the high specific energy, cheap, safe and reliable lithium-ion battery as a new generation of chemical power in recent years. After nearly two decades development, lithium-ion batteries are used in mobile phones, laptop computers, digital cameras and other portable electronic devices widely. But until now, lithium-ion batteries can not meet the requirements of lithium-ion power battery, it's main issue is lack of security and stability, exothermic reactions of lithium-ion batteries containing organic electrolyte include the decomposition of electrolyte and electrolyte and Electrode reaction, in the initial stage of thermal runaway. the accelerating of exothermic have accelerated the increasing of heat, These solvents can make pressure increase dramatically in battery of internal as a result of containing volatile dissolvent in organic electrolytes. It can lead to explosion of battery Therefore, it is particularly important that the new system replace volatile and combustible electrolytes.Ionic liquid can be used as the ideal battery electrolyte.The most attractive features are: wide range of liquid stable, strong solvency, lower vapor pressure, high conductivity, strong catalytic activity, etc. The existence of these advantages make their broad application prospects .In recent years, synthesis and application of ionic liquids have become a hot topic. Until now, there are two centuries in the development of ionic liquids. There are also many synthesis and industrialization of ionic liquids But the article of application of the ionic liquids as electrolytes in electrochemical synthesis were very few. This article is review article about the field of the ionic liquids as electrolytes in electrochemical applications and prospects.