Synthesis of Lithium Nickel Manganese Cobalt As Cathode Material for Li-Ion Battery Using Difference Precipitant Agent by Coprecipitation Method.

Lithium Nickel Manganese Cobalt (LNMC) material has been successfully made using the coprecipitation method with precipitant agent oxalic acid and tartaric acid. The material that has been made is used as a cathode material in lithium ion batteries. Lithium ion batteries are made namely type 18650 full cell battery. Based on FTIR characterization, all precursors of nickel manganese cobalt (NMC) material have functional groups of hydroxide and carbonate. Based on the XRF results, the initial material making up the precursors, namely Ni, Mn and Co, is still present in the precursors. The XRD characterization results show that the material obtained has a LNMC spinel crystal structure which is like in JCPDS data No. 09-0063. The results of SEM show the LNMC precursor material is shaped like a spherical ball with impurities. The NMC cathode material is made into a full cell battery using graphite as the anode. Yield products show synthesis using oxalic acid as the highest yield. Battery test results obtained the best discharge value from LNMC-OA of 12.66 mAh/g. All samples were tested for specific capacity stability by carrying out charge-discharge for 100 cycles. And the results are all samples can still work on the 100th cycle. [ABSTRACT FROM AUTHOR]