Restricted growth of LiMnPO 4 nanoparticles evolved from a precursor seed

Tae Hee Kim, Han Saem Park, Myeong Hee Lee, Sang Young Lee, Hyun Kon Song

Research output: Contribution to journalArticlepeer-review

56 Citations (Scopus)


Herein, we report on a novel precipitation method to enable LiMnPO 4 olivine (LMP) as a cathode material for lithium ion batteries (LIBs) to reach high capacity at high discharge rates. By confining Mn 3(PO 4) 2 precipitation on surface of a precursor seed of Li 3PO 4, the size of LMP particles is limited to less than 100 nm for a smaller dimension. The cathode material delivers discharge capacities of 145 mAh g -1 at 0.1 C, 112 mAh g -1 at 1 C to 62 mAh g -1 at 5 C (comparable with top three performances [1-3]). Even if precipitation is one of the versatile strategies to prepare the cathode material, it has not been reported that such a first-tier high performance is obtained from LMP prepared by precipitation methods. When compared with LMP particles synthesized by a conventional co-precipitation method, the performances are recognized to be considerably enhanced. Also, the surface-confined precipitation process described in this work does not involve a ball milling step with a conductive agent such as carbon black [1,2,4-10] so that a low cost synthesis is feasible.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalJournal of Power Sources
Publication statusPublished - 2012 Jul 15

Bibliographical note

Funding Information:
This work was supported by the Ministry of Education, Science and Technology ( WCU:R31-2008-000-20012-0 and CRC: 2011K000637 ) and the Ministry of Knowledge Economy ( R0000491 and NIPA-2011-C1090-1100-0002 ), Korea.

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering


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