【摘 要】
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The all-lithium salts of heteropoly acid LixXM12O40(HPA-Li)(X=P, Si; M=Mo, W) were obtained via ion exchange and characterized by means of IR and UV spectroscop
【机 构】
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Faculty of Chemistry
论文部分内容阅读
The all-lithium salts of heteropoly acid LixXM12O40(HPA-Li)(X=P, Si; M=Mo, W) were obtained via ion exchange and characterized by means of IR and UV spectroscopies, TG and elemental analyses. The conductivity of the electrolytic solution consisting of Li3PW12O40 and PC/DME mixing solvent(1/2.5, volume ratio) is up to 7.2×10-2 S/cm, being higher than that of LiClO4 as the electrolyte. The all-lithium salts were used as electrolytes in secondary lithium-ion batteries. The discharge capacity of the PAS/Li batteries with Li3PW12O40 electrolyte solutions reaches to 148 (mA*h)/g and the cyclic life is up to 380 times, much better than those of commercialized products with LiClO4 and LiAsF6 as electrolytes.
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