1992年7月毕业于华东师范大学化学系，获理学硕士学位。2004年6月毕业于江南大学食品学院，获工学博士学位

1992年7月至1996年7月，中国人民解放军第9759工厂工程师。1996年7月至今，江南大学化学与材料工程学院（原无锡轻工大学化学系）讲师、副教授、教授。

1、高性能锂同位素绿色萃取分离新体系构建及作用机制研究（国家自然科学基金） 4、高性能锂二次电池离子液体电解质设计与合成（国家自然科学基金） 3、新型有机硅咪唑离子液体构建及在稀散金属资源湿法冶金中的应用基础研究（国家自然科学基金） 4、食品致敏原分子检测技术研究（国家科技支撑计划项目） 5、真菌毒素友好型有机硅离子液体介导免疫检测技术（国家高科技发展计划“863”）

1、Li Ruiyi, Xia Qianfang, Li Zaijun*, Sun Xiulan, Liu Junkang, electrochemical immunosensor for ultrasensitive detection of microcystin-lr based on graphene-gold nanocomposite/functional conducting polymer/gold nanoparticle/ionic liquid composite film with electrodeposition, Biosensors and Bioelectronics, 2013, 44, 235-24. 2、Yan Lin, Li Ruiyi, Li Zaijun*, Liu Junkang, Fang Yinjun, Wang Guangli, Gu Zhiguo, three-dimensional activated reduced graphene oxide nanocup/nickel aluminium layered double hydroxides composite with super high electrochemical and capacitance performances, Electrochimica Acta, 2013, 95, 146-154. 3、Niu Yulian, Li Ruiyi, Li Zaijun*, Fang Yinjun, Liu Junkang, high-performance supercapacitors materials prepared via in situ growth of nial-layered double hydroxide nanoflakes on well-activated graphene nanosheets, Electrochimica Acta, 2013, 94, 360-366. 4、Xu Jingjing, Li Zaijun*, Gu Zhiguo, Wang Guangli and Liu Junkang, green and efficient extraction strategy to lithium isotope separation with double ionic liquids as the medium and ionic associated agent, Journal of Radioanalytical and Nuclear Chemistry, 2013, 295, 2103-2110. 5、Yan Tao, Li Zaijun*, Li Ruiyi, Ning Qi, Kong Hui, Niu Yulian, Liu Junkang, nickel-cobalt double hydroxides microspheres with hollow interior and hedgehog-like exterior structures for supercapacitors, Journal of Materials Chemistry, 2012, 22, 44, 23587-23592. 6、Zhou Linting, Li Ruiyi, Li Zaijun*, Xia Qianfang, Fang Yinjun, Liu Junkang, an immunosensor for ultrasensitive detection of aflatoxin b1 with an enhanced electrochemical performance based on graphene/conducting polymer/gold nanoparticles/the ionic liquid composite film on modified gold electrode with electrodeposition, Sensors and Actuators B-Chemical, 2012, 174, 359-365. 7、Li Zaijun*, Xia Qianfang, recent advances on synthesis and application of graphene as novel sensing materials in analytical chemistry, Reviews in Analytical Chemistry, 2012, 31(1), 57-81. 8、Gu Zhiguo, Yang Shuping, Li Zaijun*, Sun Xiulan, Wang Guangli, Fang Yinjun, Liu Junkang, an ultrasensitive hydrogen peroxide biosensor based on electrocatalytic synergy of graphene-gold nanocomposite, CdTe-CdS core-shell quantum dots and gold nanoparticles, Analytica Chimica Acta, 2011, 701(1), 75-80. 9、Sun Xiulan, Li Zaijun*, Cai Yan, Wei Zhilei, Fang Yinjun, Ren Guoxiao, Huang Yaru, electrochemical impedance spectroscopy for analytical determination of paraquat in meconium samples using an immunosensor modified with fullerene, ferrocene and ionic liquid, Electrochimica Acta, 2011, 56, 1117-1122. 10、Wei Zhilei, Sun Xiulan, Li Zaijun*, Fang Yinjun, Ren Guoxiao, Huang Yaru, Liu Junkang, highly sensitive deoxynivalenol immunosensor based on a glassy carbon electrode modified with a fullerene/ferrocene/ionic liquid composite, Microchimica Acta, 2011,172, 365-371.

1、李在均，王仕芳，杨杰，方云，倪邦庆，丁玉强，程志翔，陈光华，一种从盐湖卤水中提取锂的方法 2、李在均，黄亚茹，孙秀兰，方银军，任国晓，彭齐萍，以离子液体作为绿色介质制备生物传感器的方法 3、李在均，孙秀兰，胡骥，溴代苯并噻唑类发光试剂及制备方法 4、李在均， 黄亚茹，方银军，单海霞，任国晓，一种离子液体及制备方法及在生物转酯合成中的应用 5、李在均，高效乳化器