7[8]Bauman,Willam C.Composition for the lithium values from brine and process of making/using saidcomposition[P].U.S.Patent:6280693,2001.
8[9]Hideki Koyanaka,et al.Quantitative correlation between Li absorption and H content in manganese oxide spinelλ-MnO2,Journal of Electroanalytical Chemical,2003,559:77-81,
9[10]Ramesh Chitrakar,et al.A New Type of Manganese Oxide (MnO2 · 0.5H2O) Derived from Li1.6 Mn1.6 O4 and Its Lithium Ion-Sieve Properties,Chem.Mater.2000,12:3151 -3157.
10[11]Sato,etc,The Surface Structure of the Proton-Exchanged Lithium Manganese Oxide Spinels and Their Lithium-Ion Sieve Properties,Journal of solid state chemistry,1997,131:84 -91.
