Invention Grant
- Patent Title: Ferrous phosphate powders, lithium iron phosphate powders for li-ion battery, and methods for manufacturing the same
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Application No.: US14705618Application Date: 2015-05-06
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Publication No.: US09884765B2Publication Date: 2018-02-06
- Inventor: Lih-Hsin Chou , Bing-Kai Chen , Hsin-Hsu Chu , Yueh-Ting Yang
- Applicant: National Tsing Hua University
- Applicant Address: TW Hsinchu
- Assignee: NATIONAL TSING HUA UNIVERSITY
- Current Assignee: NATIONAL TSING HUA UNIVERSITY
- Current Assignee Address: TW Hsinchu
- Agency: Muncy, Geissler, Olds & Lowe, P.C.
- Priority: TW100121234A 20110617
- Main IPC: C01B25/45
- IPC: C01B25/45 ; C01B25/37 ; H01M4/58 ; H01M10/0525 ; H01B1/06
Abstract:
Ferrous (II) phosphate (Fe3(PO4)2) powders, lithium iron phosphate (LiFePO4) powders for a Li-ion battery and methods for manufacturing the same are provided. The lithium iron phosphate powders are represented by the following formula (II): LiFe(1-a)MaPO4 (II) wherein, M, and a are defined in the specification, the lithium iron phosphate powders are composed of plural flake powders, the length of each of the flake powders is 0.1-10 μm, and a ratio of the length and the thickness of each of the flake powder is in a range from 11 to 400.
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