Patents by Inventor Weimin Jiao
Weimin Jiao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11626613Abstract: The present application provides a battery cell including a first electrode, a second electrode, and a separator disposed therebetween, wherein the separator comprises an extension portion beyond the first electrode and the second electrode at an end portion of the battery cell. The battery cell further includes an adhesive layer including a body and a connecting portion extending from the body. The body is adhered to the extension portion, and the connecting portion is adhered to the extension portion. It is an object of the present application to provide a battery cell that effectively eliminates invalidation resulted from short circuit caused by the separator shrinkage. The present application further provides an electrochemical device and a method of manufacturing thereof.Type: GrantFiled: November 29, 2018Date of Patent: April 11, 2023Assignee: NINGDE AMPEREX TECHNOLOGY LIMITEDInventors: Houlei Cui, Zhiwen Xiao, Weimin Jiao, Guoluo Lin
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Patent number: 11545726Abstract: An electrode assembly including a first electrode plate, a second electrode plate and a separator between the first electrode plate and the second electrode plate. The separator includes an extension portion extending to the outside of the first electrode plate and the second electrode plate in a length direction of the electrode assembly. The extension portion is provided with a glue layer including a first bonding portion extending in a width direction of the electrode assembly. The first bonding portion is parallel to the width direction.Type: GrantFiled: April 20, 2021Date of Patent: January 3, 2023Assignee: NINGDE AMPEREX TECHNOLOGY LIMITEDInventors: Weimin Jiao, Junhui Hou, Houlei Cui, Yinli Lin, Hui Dong, Zhiwen Xiao
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Publication number: 20210242539Abstract: An electrode assembly including a first electrode plate, a second electrode plate and a separator between the first electrode plate and the second electrode plate. The separator includes an extension portion extending to the outside of the first electrode plate and the second electrode plate in a length direction of the electrode assembly. The extension portion is provided with a glue layer including a first bonding portion extending in a width direction of the electrode assembly. The first bonding portion is parallel to the width direction.Type: ApplicationFiled: April 20, 2021Publication date: August 5, 2021Inventors: Weimin JIAO, Junhui Hou, Houlei Cui, Yinli Lin, Hui Dong, Zhiwen Xiao
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Patent number: 11011797Abstract: Embodiments of the present application provide an electrode assembly including a first electrode plate, a second electrode plate and a separator between the first electrode plate and the second electrode plate. The separator includes an extension portion extending to the outside of the first electrode plate and the second electrode plate in a length direction of the electrode assembly. The extension portion is provided with a glue layer including a first bonding portion extending in a width direction of the electrode assembly. The first bonding portion is parallel to the width direction. Embodiments of the present application further provide a battery. The electrode assembly and battery provided in the present application will at least reduce the risk of short circuit of the electrode assembly.Type: GrantFiled: January 3, 2019Date of Patent: May 18, 2021Assignee: NINGDE AMPEREX TECHNOLOGY LIMITEDInventors: Weimin Jiao, Junhui Hou, Houlei Cui, Yinli Lin, Hui Dong, Zhiwen Xiao
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Patent number: 10826131Abstract: The embodiments of present application provides an electrode assembly and a battery comprising a first current collector including a first end portion, a first bending segment, a first starting segment therebetween; a second current collector including a second end portion, a second bending segment, a second starting segment therebetween; the first and second bending segments are regions where the first and second current collectors are bent for the first time respectively, and a first and second electrode tabs are respectively arranged on the first and second starting segments, a distance between the first electrode tab and the first end portion is smaller than a distance between the first electrode tab and the first bending segment, a distance between the second electrode tab and the second end portion is greater than a distance between the second electrode tab and the second bending segment.Type: GrantFiled: October 12, 2018Date of Patent: November 3, 2020Assignee: Ningde Amperex Technology LimitedInventors: Baozhang Li, Weimin Jiao, Zhiwen Xiao, Junhui Hou
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Publication number: 20200036051Abstract: The embodiments of present application provides an electrode assembly and a battery comprising a first current collector including a first end portion, a first bending segment, a first starting segment therebetween; a second current collector including a second end portion, a second bending segment, a second starting segment therebetween; the first and second bending segments are regions where the first and second current collectors are bent for the first time respectively, and a first and second electrode tabs are respectively arranged on the first and second starting segments, a distance between the first electrode tab and the first end portion is smaller than a distance between the first electrode tab and the first bending segment, a distance between the second electrode tab and the second end portion is greater than a distance between the second electrode tab and the second bending segment.Type: ApplicationFiled: October 12, 2018Publication date: January 30, 2020Inventors: Baozhang Li, Weimin Jiao, Zhiwen Xiao, Junhui Hou
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Publication number: 20190252660Abstract: Embodiments of the present application provide an electrode assembly including a first electrode plate, a second electrode plate and a separator between the first electrode plate and the second electrode plate. The separator includes an extension portion extending to the outside of the first electrode plate and the second electrode plate in a length direction of the electrode assembly. The extension portion is provided with a glue layer including a first bonding portion extending in a width direction of the electrode assembly. The first bonding portion is parallel to the width direction. Embodiments of the present application further provide a battery. The electrode assembly and battery provided in the present application will at least reduce the risk of short circuit of the electrode assembly.Type: ApplicationFiled: January 3, 2019Publication date: August 15, 2019Inventors: Weimin Jiao, Junhui Hou, Houlei Cui, Yinli Lin, Hui Dong, Zhiwen Xiao
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Publication number: 20190165353Abstract: The present application provides an electrode assembly comprising a body and a separator extension formed by a separator extending from the body, wherein the separator extension includes a first extension and a second extension, the second extension including a first stack portion and a second stack portion, the second stack portion being folded over onto the first stack portion. The present application further provides a battery and a packaging method of separator of the electrode assembly. The purpose of the present application is to provide an electrode assembly, a battery and a packaging method of electrode assembly separator, which can solve the problem of separator shrinkage during the falling process.Type: ApplicationFiled: November 29, 2018Publication date: May 30, 2019Inventors: Junhui Hou, Weimin Jiao, Houlei Cui, Zhiwen Xiao, Lijian Zhou
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Publication number: 20190165409Abstract: The present application provides a battery cell including a first electrode, a second electrode, and a separator disposed therebetween, wherein the separator comprises an extension portion beyond the first electrode and the second electrode at an end portion of the battery cell. The battery cell further includes an adhesive layer including a body and a connecting portion extending from the body. The body is adhered to the extension portion, and the connecting portion is adhered to the extension portion. It is an object of the present application to provide a battery cell that effectively eliminates invalidation resulted from short circuit caused by the separator shrinkage. The present application further provides an electrochemical device and a method of manufacturing thereof.Type: ApplicationFiled: November 29, 2018Publication date: May 30, 2019Inventors: Houlei Cui, Zhiwen Xiao, Weimin Jiao, Guoluo Lin