Preparation method of counter opal structure liFePO4 powder
Title：
Preparation method of counter opal structure liFePO4 powder
Application Number：
 200410096700
Application Date：
 2004/12/07
Announcement Date：
 2005/05/25
Pub. Date：
 2006/10/11
Publication Number：
 1618731
Announcement Number：
 1278929
Grant Date：
 2006-10-11
Granted Pub. Date：
 2006-10-11
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 C01B 25/45
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Tang Zilong, Lu Junbiao, Zhang Zhongtai
Key Words：
 Preparation method, counter opal structure, liFePO4 powder
Abstract：
 A process for preparing the LiFePO4 powder with reverse opal structure used as positive electrode of battery includes preparing the polylatex particles suspension A from styrene, perspex and acrylic acid and the clear solution B from bihydrated ferrous oxalate, lithium carbonate and ammonium bidydrogen phosphate, dropping B into A while stirring, ultrasonic dispersing, baking, fining, pretreating and sintering.
Claim：
Priority：
PCT：
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2008-4-17
  Selected patents owned by Tsinghua University filed in 2005 are loaded.
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