One-pot mechanical synthesis of porous composite particles for lithium ion batteries without heat assistance

2014 Fiscal Year Final Research Report

• Project/Area Number: 24360315
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Partial Multi-year Fund
• Section: 一般
• Research Field: Metal making engineering
• Research Institution: Osaka University
• Principal Investigator: NAITO Makio 大阪大学, 接合科学研究所, 教授 (40346135)
• Co-Investigator(Kenkyū-buntansha): ABE Hiroya 大阪大学, 接合科学研究所, 准教授 (50346136)
• Project Period (FY): 2012-04-01 – 2015-03-31
• Keywords: 省エネルギー / セラミックス / リチウムイオン二次電池 / 正極材料 / ナノ粒子 / 複合粒子

Outline of Final Research Achievements

This research aimed at developing the one-pot mechanical process to synthesize cathode nanoparticles and prepare the nanoporous composite cathode particles with the synthesized nanoparticles and carbon nanoparticles for lithium ion batteries. As a result, lithium iron phosphate / carbon nanoporous composite particles were successfully synthesized by the proposed method without any heat assistance and atmosphere control. This method also achieved the synthesis of spinel particles composed of lithium, nickel and manganese. The obtained coin cells made by these composite particles exhibited high discharge capacity and favorable cycle performance.

Free Research Field

微粒子工学