Title:
DOPED IRON PHOSPHATE, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/242184
Kind Code:
A1
Abstract:
The present invention relates to the technical field of battery materials, and disclosed are doped iron phosphate, and a preparation method therefor and an application thereof. The doped iron phosphate has a particle size of 2.5-3.5 μm, tap density of 0.71-0.8 g/cm3 and a specific surface area of 8.56-9.3 m2/g. According to the present invention, battery-grade iron phosphate with uniform distribution of doping elements can be prepared, condition components are easy to control, and industrial production is facilitated; the doped iron phosphate has the particle size of 2.5-3.5 μm and the tap density of 0.71-0.8 g/cm3. The problems of difficulty in doping and difficulty in improving the compaction caused by doping during the synthesis of lithium iron phosphate are avoided.
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Inventors:
DUAN JINLIANG (CN)
LI CHANGDONG (CN)
XIA YANG (CN)
RUAN DINGSHAN (CN)
CHEN RUOKUI (CN)
QIAO YANCHAO (CN)
LI CHANGDONG (CN)
XIA YANG (CN)
RUAN DINGSHAN (CN)
CHEN RUOKUI (CN)
QIAO YANCHAO (CN)
Application Number:
PCT/CN2021/142927
Publication Date:
November 24, 2022
Filing Date:
December 30, 2021
Export Citation:
Assignee:
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD (CN)
HUNAN BRUNP RECYCLING TECH CO LTD (CN)
HUNAN BRUNP VEHICLES RECYCLING CO LTD (CN)
HUNAN BRUNP RECYCLING TECH CO LTD (CN)
HUNAN BRUNP VEHICLES RECYCLING CO LTD (CN)
International Classes:
C01B25/37
Foreign References:
| CN113460987A | 2021-10-01 | |||
| CN111908441A | 2020-11-10 | |||
| CN102311109A | 2012-01-11 | |||
| CN108511700A | 2018-09-07 | |||
| CN112289991A | 2021-01-29 | |||
| CN106185857A | 2016-12-07 | |||
| CN102976302A | 2013-03-20 | |||
| CN110911680A | 2020-03-24 | |||
| CN104332628A | 2015-02-04 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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