Method for preparing high-density spherical lithium iron phosphate
Title：
Method for preparing high-density spherical lithium iron phosphate
Application Number：
 200510000167
Application Date：
 2005/01/06
Announcement Date：
 2005/06/29
Pub. Date：
 2007/02/07
Publication Number：
 1632969
Announcement Number：
 1299369
Grant Date：
 2007-2-7
Granted Pub. Date：
 2007-2-7
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 H01M 4/04, H01M 4/58, H01M 4/48, C01B 25/26, C01D 15/00, C01G 1/02, C01G 49/00
Applicant(s)：
 Tsinghua University
Inventor(s)：
 Ying Jierong, Jiang Changyin, Wan Chunrong
Key Words：
 prepare, high-density, spherical, lithium iron phosphate
Abstract：
 This invention discloses a high density ball ferric phosphate lithium process method in energy material process technique, which comprises the following steps: to use ferric nitrate, phosphate chrome and acetic acid lithium as materials and to add deionized water to process solution A; to mix impurity metal compound or carbon source into the solution A; to make solution of hexamethylenetetramine and carbamide to process solution B; to make solution C by adding solution B into solution A; to drop solution C with kerosene and to heat it into gel for deposition; to get the ball dry gel front driver after centrifugal separation; to get the high volume proportion capacity high density ferric phosphate lithium through high temperature process.
Claim：
Priority：
PCT：
LegalStatus：

Recommend this patent:
1 2 3 4 5
Average ( 0 votes):
                                                                          Recommended Patents>>

Relevancy information

Method for preparing high-density spherical ferric lithium phosphate as anode material of lithium-ion battery
Process for preparing high density spherical nickel-cobalt lithium manganate as anode material of lithium ion cell
Method for preparing high-density spherical lithium iron phosphate and lithium iron manganese phosphate


Other Patents of Same Inventor

Process for preparing spherical V2O5 and lithium vanadate as anode material of Li-ion battery
Prepn of Y-containing spherical nickel hydroxide
Nanometer alpha-nickel hydroxide and its preparation
Method for producing ultra-fine LiFePO4/C of lithium ion battery anode material
Method for preparing high-density spherical ferric lithium phosphate as anode material of lithium-ion battery
Process for preparing high density spherical nickel-cobalt lithium manganate as anode material of lithium ion cell
Preparation method of spherical Li4Ti5O12 as lithium ion cell cathode material
Preparation method of multi-element nanometer sulfur anode material for lithium ion battery
Method for preparing high-density spherical lithium iron phosphate and lithium iron manganese phosphate
Microwave and carbothermal reduction process of preparing hgih density spherical composite ferric lithium phosphate material
Tin mixed lithium manganese oxide anode material and method for making same
Process for preparing polyacrylonitrile low temperature pyrolyzed composite metal negative pole material
Method for producing hard carbon lithium metal composite negative pole material for lithium ion battery
Low temperature thermolytic polyacrylonitrile composite tin base cathode material preparation method
Process for preparing carbon-doped spherical Li4Ti5O12
Hard carbon-metal lithium nitride composite cathode materials and method for preparing same
Lithium-iron disulfide anode materials and method for preparing same
Metal particle-cladded active carbon microsphere cathode composite materials and method for preparing same
Method for preparing battery of lithium - iron disulphide
Method for preparing polymer microporous membrane for lithium ion battery electrolyte
Tin-mixed lithium-nickel-manganese-cobalt positive polar material and preparing method
Active-carbon-microball coated metal composition negative polar material and preparing method
Method for preparing anode material of lithium-iron disulphide battery
Method of improving high temperature performance of spherical nickel hydroxide
Process for preparing high density spherical lithium ferric phosphate
Method for preparing high density lithium ferric phosphate by microwave heating



News & Events More>>

Last Update  
2008-4-17
  Selected patents owned by Tsinghua University filed in 2005 are loaded.
2008-3-31
  Selected patents owned by Tsinghua University filed in 2006 and 2007 are load.







Copyright 2008-2015 All Rights Reserved Patent License of China.      Designed by Easygo