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1 | TW201933666A |
Method for preparing porous composite material used in anode of lithium-ion battery which is beneficial to the application of power storage and power supply equipment such as long-term and stable electronic products and transportation
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Publication/Patent Number: TW201933666A | Publication Date: 2019-08-16 | Application Number: 107101528 | Filing Date: 2018-01-16 | Inventor： Yang, Chun-cheng Wu, Yi-xuan Wu, Zong-han Yang min yan | Assignee: MING CHI UNIVERSITY OF TECHNOLOGY | IPC: H01M10/052 | Abstract: A method for preparing porous composite material used in anode of lithium-ion battery comprises the steps of (a) self-assembling a mixture and dispersing it in a solvent so as to obtain a first dispersion liquid containing silicon/carbon composite material, wherein the mixture comprises a silicon-containing nanometer particle, graphene oxide, a cationic surfactant and a carbon-containing precursor; (b) grinding the first dispersion liquid to obtain a second dispersion liquid; (c) mixing a carbon-containing nanosphere and the second dispersion liquid to obtain a mixed liquid; (d) spray drying the mixed liquid to obtain a composite microsphere; and (e) sintering the composite microsphere in the presence of a reducing gas. The porous composite material prepared by the method helps to provide a high specific capacity for lithium-ion battery, better long-term charging/discharging stability and higher electronic conductivity so as to be applied in anode of lithium-ion battery. | ||
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2 | TWI632719B |
Method for preparing porous composite material used in anode of lithium-ion battery which is beneficial to the application of power storage and power supply equipment such as long-term and stable electronic products and transportation
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Publication/Patent Number: TWI632719B | Publication Date: 2018-08-11 | Application Number: 107101528 | Filing Date: 2018-01-16 | Inventor： Yang, Chun-cheng Wu, Yi-xuan Wu, Zong-han Yang min yan | Assignee: MING CHI UNIVERSITY OF TECHNOLOGY | IPC: H01M10/052 | Abstract: A method for preparing porous composite material used in anode of lithium-ion battery comprises the steps of (a) self-assembling a mixture and dispersing it in a solvent so as to obtain a first dispersion liquid containing silicon/carbon composite material, wherein the mixture comprises a silicon-containing nanometer particle, graphene oxide, a cationic surfactant and a carbon-containing precursor; (b) grinding the first dispersion liquid to obtain a second dispersion liquid; (c) mixing a carbon-containing nanosphere and the second dispersion liquid to obtain a mixed liquid; (d) spray drying the mixed liquid to obtain a composite microsphere; and (e) sintering the composite microsphere in the presence of a reducing gas. The porous composite material prepared by the method helps to provide a high specific capacity for lithium-ion battery, better long-term charging/discharging stability and higher electronic conductivity so as to be applied in anode of lithium-ion battery. |
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