Nanometer LiMn_2O_4 powders were synthesized by sol-gel method using citric acid as chelating agent, which take nitrate and acetate as main raw materials respectively.

• 本文以硝酸盐和醋酸盐为原料,采用柠檬酸络合法制备了正尖晶石结构LiMn_2O_4 纳米粉体;