Cuprous oxide/porous carbon composite material as lithium ion battery cathode material and preparation method thereof
A lithium-ion battery, cuprous oxide technology, applied in battery electrodes, circuits, electrical components, etc., can solve the problems of poor conductivity, fast capacity decay, unsatisfactory rate performance, etc., achieve high rate performance, avoid chalking and failure. , the effect of excellent cycle stability
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[0027] A method for preparing a cuprous oxide / porous carbon composite material as a lithium ion battery negative electrode material, the specific preparation steps are as follows:
[0028] 1) Dissolve 1g of copper sulfate in 80mL of deionized water, and magnetically stir to fully dissolve it;
[0029] 2) Add 0.8 g of porous carbon into the solution obtained in step 1), and ultrasonically disperse for 30 minutes to fully disperse the porous carbon in the solution;
[0030] 3) Add 0.72g of sodium hydroxide and 0.65g of glucose into the solution obtained in step 2), the reaction temperature is 80°C, continue to stir for 15 minutes, then stop stirring, age for 60min, and stand to obtain a precipitate;
[0031] 4) washing the precipitate obtained in step 3) with deionized water, suction filtering until the pH of the filtrate is neutral, drying the suction filtration product at 120° C. for 4 hours in vacuum to obtain a cuprous oxide / porous carbon composite material with a nanoporous...
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