Papers by Keyword: Spinel-Type Metal Compound

Abstract: [LiMn_1.25O₃] was prepared by a solid state reaction crystallization method. And it was a spinel-type metal compound. The solid state reaction with this material was investigation by X-ray, saturation capacity of exchange, and Kd measurement. The results showed that the Li⁺ extraction/insertion be progressed mainly by an ion-exchange mechanism. The acid treated samples had an ion exchange capacity of 4.0mmol/g for Li⁺.

Abstract: Compound [Li_0.5Mn_1.375O₃] was a spinel-type metal compound and was prepared by a solid state reaction crystallization method. The results showed that the Li⁺ extraction/insertion be progressed mainly by an ion-exchange mechanism. The characterization results showed that the exchange capacity of Li⁺ was 2.8mmol/g for Li⁺. Li_0.5Mn_1.375O₃ is an ion-memory inorganic ion exchanger of Li⁺. It had a memorial ion-sieve property for Li⁺.

Abstract: LiMn_0.75Ti_0.5O₃ was prepared by a solid state reaction crystallization method. The acid treatments of LiMn_0.75Ti_0.5O₃ caused Li²⁺ extractions of more than 75%, while the dissolutions of Mn⁴⁺ and Ti⁴⁺ were less than 13%. The experimental results have proved that the acid-treated sample has a capacity of exchange 4.1mmol·g-1 for Li⁺ in the solution.

Abstract: Compound [Li₂MnO₃], a spinel-type metal compound, was prepared by a solid state reaction crystallization method. The results showed that the Li⁺ extraction/insertion be progressed mainly by an ion-exchange mechanism. Results of column test indicated, that the exchange capacity obtained from tests for Li⁺ in 0.1mol/L HNO₃ solution is 7.0 mmol•g^-1.It had a memorial ion-sieve property for Li⁺

Abstract: Inorganic ion exchanger Li2Mn0.75Ti0.25O3 is synthesized. It was prepared by a solid state reaction crystallization method. The results showed that the Li+ extraction/insertion be progressed mainly by an ion-exchange mechanism. The acid treated samples had an ion exchange capacity of 7.4 mmol•g-1 for Li+. It had a memorial ion-sieve property for Li+.

Abstract: Compound [Li₂Mn_0.5Ti_0.5O₃], a spinel-type metal compound, was prepared by a solid state reaction crystallization method. The Li⁺ extraction/insertion with this material were investigated by X-ray and Kd measurement. The chemical analysis showed that the Li⁺ extraction/insertion be progressed mainly by an ion-exchange mechanism. The acid treated samples had an ion exchange capacity of 7.7mmol/g for Li⁺.

Abstract: LiMn_0.25TiO₃was prepared by a solid state reaction crystallization method. The results showed that the Li⁺ extraction/insertion be progressed mainly by an ion-exchange mechanism. The acid treated samples had an ion exchange capacity of in 0.1mol /L HNO₃ solution is 4.3mmol/g for Li⁺. It had a memorial ion-sieve property for Li⁺.

Abstract: A spinel-type metal compound [LiMn_0.5Ti_0.75O₃], was prepared by a solid state reaction crystallization method. The Li⁺ extraction/insertion with this material were investigated by X-ray and Kd measurement. The results showed that the Li+ extraction/insertion be progressed mainly by an ion-exchange mechanism. The acid treated samples had an ion exchange capacity of 4.2mmol/g for Li⁺.

Abstract: Spinel-type etal oxides, Lithium -manganese oxide Li₄Mn_0.5O₃ was prepared by a solid state reaction crystallization method. The results showed that the Li⁺ extraction/insertion be progressed mainly by an ion-exchange mechanism. The acid treated samples had an ion exchange capacity of 12.7mmol/g for Li⁺.

Abstract: Spinel-type metal compound [LiMnTi0.25O3], was prepared by a solid state reaction crystallization method. LiMnTi0.25O3 can be used to separate Li+ in the aqueous solution. The results showed that the Li+ extraction/insertion be progressed mainly by an ion-exchange mechanism. The acid treated samples had an ion exchange capacity of 4.0mmol/g for Li+