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1 | EP3770996A1 |
METHOD FOR MANUFACTURING LITHIUM IRON PHOSPHATE/CARBON COMPOSITE CATHODE MATERIAL FOR SECONDARY LITHIUM ION BATTERY
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Publication/Patent Number: EP3770996A1 | Publication Date: 2021-01-27 | Application Number: 19187933.7 | Filing Date: 2019-07-23 | Inventor： Wang, Ruey-yu Chen, Seiko Yang, Chun-chen Pien, Chieh-yi | Assignee: Formosa Plastics Transport Corporation | IPC: H01M4/04 | Abstract: A method for manufacturing a lithium iron phosphate/carbon composite cathode material for a secondary lithium ion battery includes the steps of preparing a mixture solution which includes a lithium source, an iron source, a phosphate source, and a carbon precursor combination in a liquid medium; subjecting the mixture solution to a spray drying treatment to obtain a particulate powdery material; and sintering the particulate powdery material. The carbon precursor combination includes a porous graphene oxide-based additive and a first carbon precursor, which is different from the porous graphene oxide-based additive. | |||
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2 | TWI671264B |
Process for producing spinel-lnmo material and use the same
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Publication/Patent Number: TWI671264B | Publication Date: 2019-09-11 | Application Number: 106114702 | Filing Date: 2017-05-03 | Inventor： Wang, Ruey Yu Yang, Chun Chen Wu, Zong Han You, Cheng En Li, Jun Rui | Assignee: FORMOSA PLASTICS TRANSPORT CORPORATION | IPC: H01M10/0525 | Abstract: A process for producing hight voltage LiNi0.5Mn1.5O4 (spinel-LNMO) cathode material is disclosed by a solid-state method or a spray dry method, particularly to have the spinel-LNMO modified in advace in the course of synthesizing process; resulted in that the spinel-LNMO cathode material can not only significantly improve conductivity of the active materials of spinel-LNMO, but also markedly solve the low electronic conductivity problem of the spinel-LNMO material, as well as improve the obtained spinel-LNMO cathode material exhibited excellent in high power characteristics and having very good cycling charge/discharge performances, and suited for making as a secondary lithium ion battery cathode. | |||
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3 | TW201843111A |
Process for producing spinel-lnmo material and use the same
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Publication/Patent Number: TW201843111A | Publication Date: 2018-12-16 | Application Number: 106114702 | Filing Date: 2017-05-03 | Inventor： Wang, Ruey Yu Yang, Chun Chen Wu, Zong Han You, Cheng En Li, Jun Rui | Assignee: FORMOSA PLASTICS TRANSPORT CORPORATION | IPC: C01G53/00 | Abstract: A process for producing hight voltage LiNi0.5Mn1.5O4 (spinel-LNMO) cathode material is disclosed by a solid-state method or a spray dry method, particularly to have the spinel-LNMO modified in advace in the course of synthesizing process; resulted in that the spinel-LNMO cathode material can not only significantly improve conductivity of the active materials of spinel-LNMO, but also markedly solve the low electronic conductivity problem of the spinel-LNMO material, as well as improve the obtained spinel-LNMO cathode material exhibited excellent in high power characteristics and having very good cycling charge/discharge performances, and suited for making as a secondary lithium ion battery cathode. |
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