科研之友
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摘要
The pulverization phenomenon in the cyclic test of lithium ion battery often hinders the working life of electrodes. Inspired by the similarity of pulverization phenomenon resulting in the decrescent material size and nanoengineering fabricating nano-sized material to increase the electrochemical activity, the pulverization phenomenon is tried to be utilized to improve the electrochemical property and the cyclic life of electrode material, which is called as active process. But, the ternary metal oxide with severe pulverization phenomenon can hardly achieve this active process. Here, to overcome this question, the novel litchi-like core-shell Bi2WO6-C and Bi2MoO6-C composite are designed as anode and show unexpected cyclic life and electrochemical properties compared to those of pristine Bi2WO6 and Bi2MoO6. The preconditions of taking full advantage of pulverization phenomenon are proposed.
