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Trans Tech Publications, Materials Science Forum, (852), p. 691-697

DOI: 10.4028/www.scientific.net/msf.852.691

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Development and Adsorption Properties for a Novel Lithium Ion-Sieve

Journal article published in 2016 by Shan Yang, Ma Li Zhou, Jia Qi Wu, Jiang Nan Shen, Cong Jie Gao
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

The lithium ion-sieve precursor was prepared with LiOH and Mn (CH3COO)2 as the starting reagents, H2O2 as the oxidant and ethanol solution (volume percent 2.5%) as solution by combination of sol-gel, hydrothermal and low-temperature solid state methods, and then changed into lithium ion-sieve after eluting Li+ by the mixture of HCl and Na2S2O8 solution. The influence of synthetic conditions on the structures and adsorption properties of lithium ion-sieve was investigated in detail. The results suggest that the pure phase lithium ion-sieve can be synthesized when Li/Mn molar ratio is 3/1, 3.2mL H2O2 is added after LiOH and Mn (CH3COO)2 react for 36h and the heat treatment way of programmed temperature from 410°C (2h) to 510°C (3h) is adopted in the progress of solid state reaction. The loss rate of dissolved Mn is less than 2.5% during pickling Li+. And the highest adsorption capacity can achieve 20.5mg/g.