Synthesis of a new-style nano magnetic lithium ion sieves
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Synthesis of a new-style nano magnetic lithium ion sieves
CIESC JournalIssue 7, (2011)
作者机构:
浙江海洋学院石油化工学院
作者简介:
基金信息:
DOI:
CLC:
Online First:05 July 2011,
Published:05 July 2011
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竺柏康. Synthesis of a new-style nano magnetic lithium ion sieves[J]. CIESC Journal, 2011, (7).
DOI:
竺柏康. Synthesis of a new-style nano magnetic lithium ion sieves[J]. CIESC Journal, 2011, (7).DOI:
Synthesis of a new-style nano magnetic lithium ion sieves
摘要
Abstract
Nano Fe3O4/MnCO3+Li2CO3 precursor was prepared by synchronizing explosive nucleation of Fe3O4 and fast coating of MnCO3+Li2CO3 in a mini-channel impinging stream reactor. Subsequently
the precursor was heat-treated at 450℃ and immersed in dilute hydrochloric acid to obtain nano magnetic lithium ion sieves (LIS) composed of Fe3O4/HxMnyO4. The main factors affecting explosive nucleation and fast coating processes were investigated and optimized. The as-prepared products were characterized by BET
TEM
EDX
and XRD. The mean particle size of nano magnetic LIS was about 40 nm
specific magnetism was 27.581 emu·g-1
and coercive intensity was 138.64 G. Compared with ordinary LIS
nano LIS film had obvious advantages in solid phase diffusion
and promised unique capacity in lithium uptake from seawater.