Patents by Inventor Sing Ming Tony Wong
Sing Ming Tony Wong 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: 10665842Abstract: Provided herein is a separator used for an electrochemical device such as a lithium-ion battery. The separator disclosed herein comprises a porous base material, and a protective porous layer coated on one or both surfaces of the porous base material disclosed herein, wherein the protective porous layer comprises an organic binder and an inorganic filler, and wherein the inorganic filler comprises a whisker-type material selected from the group consisting of Al2O3, SiO2, TiO2, ZrO2, BaOx, ZnO, CaCO3, TiN, AlN, MTiO3, K2O·nTiO2, Na2O·mTiO2, and combinations thereof, wherein x is 1 or 2; M is Ba, Sr or Ca; n is 1, 2, 4, 6 or 8; and m is 3 or 6. Also provided herein is a lithium-ion battery including the separator disclosed herein. The separator disclosed herein is excellent in terms of safety, ion permeability, and cycle characteristics.Type: GrantFiled: May 30, 2019Date of Patent: May 26, 2020Assignee: GRST INTERNATIONAL LIMITEDInventors: Sing Ming Tony Wong, Sing Hung Eric Wong, Peihua Shen, Yuen Hung, Kam Piu Ho, Ranshi Wang
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Publication number: 20190288257Abstract: Provided herein is a separator used for an electrochemical device such as a lithium-ion battery. The separator disclosed herein comprises a porous base material, and a protective porous layer coated on one or both surfaces of the porous base material disclosed herein, wherein the protective porous layer comprises an organic binder and an inorganic filler, and wherein the inorganic filler comprises a whisker-type material selected from the group consisting of Al2O3, SiO2, TiO2, ZrO2, BaOx, ZnO, CaCO3, TiN, AlN, MTiO3, K2O.nTiO2, Na2O.mTiO2, and combinations thereof, wherein x is 1 or 2; M is Ba, Sr or Ca; n is 1, 2, 4, 6 or 8; and m is 3 or 6. Also provided herein is a lithium-ion battery including the separator disclosed herein. The separator disclosed herein is excellent in terms of safety, ion permeability, and cycle characteristics.Type: ApplicationFiled: May 30, 2019Publication date: September 19, 2019Inventors: Sing Ming Tony Wong, Sing Hung Eric Wong, Peihua Shen, Yuen Hung, Kam Piu Ho, Ranshi Wang
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Patent number: 10361414Abstract: Provided herein is a separator used for an electrochemical device such as a lithium-ion battery. The separator disclosed herein comprises a porous base material, and a protective porous layer coated on one or both surfaces of the porous base material disclosed herein, wherein the protective porous layer comprises an organic binder and an inorganic filler, and wherein the inorganic filler comprises a whisker-type material selected from the group consisting of Al2O3, SiO2, TiO2, ZrO2, BaOx, ZnO, CaCO3, TiN, AlN, MTiO3, K2O.nTiO2, Na2O.mTiO2, and combinations thereof, wherein x is 1 or 2; M is Ba, Sr or Ca; n is 1, 2, 4, 6 or 8; and m is 3 or 6. Also provided herein is a lithium-ion battery including the separator disclosed herein. The separator disclosed herein is excellent in terms of safety, ion permeability, and cycle characteristics.Type: GrantFiled: May 24, 2017Date of Patent: July 23, 2019Assignee: GRST International LimitedInventors: Sing Ming Tony Wong, Sing Hung Eric Wong, Peihua Shen, Yuen Hung, Kam Piu Ho, Ranshi Wang
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Patent number: 10263234Abstract: Provided herein is a separator used for an electrochemical device such as a lithium-ion battery. The separator disclosed herein comprises a porous base material, a first protective porous layer coated on one side of the porous base material, and a second protective porous layer coated on the other side of the porous base material, wherein the first protective porous layer comprises an organic binder and a first inorganic filler, and wherein the second protective porous layer comprises an organic binder and a second inorganic filler different from the first inorganic filler. Also provided herein is a lithium-ion battery including the separator disclosed herein. The separator disclosed herein is excellent in terms of safety, ion permeability, and cycle characteristics.Type: GrantFiled: May 24, 2017Date of Patent: April 16, 2019Assignee: GRST International LimitedInventors: Sing Ming Tony Wong, Sing Hung Eric Wong, Peihua Shen, Yuen Hung, Kam Piu Ho, Ranshi Wang
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Patent number: 10135055Abstract: Provided herein is a separator used for an electrochemical device such as a lithium-ion battery. The separator disclosed herein comprises a porous base material, and a protective porous layer coated on one or both surfaces of the porous base material disclosed herein, wherein the protective porous layer comprises an organic binder and an inorganic filler, and wherein a difference in tensile strength of the separator along the TD direction and MD direction is about 15% or less. Also provided herein is a lithium-ion battery including the separator disclosed herein. The separator disclosed herein is excellent in terms of safety, ion permeability, and cycle characteristics.Type: GrantFiled: May 24, 2017Date of Patent: November 20, 2018Assignee: GRST INTERNATIONAL LIMITEDInventors: Sing Ming Tony Wong, Sing Hung Eric Wong, Peihua Shen, Yuen Hung, Kam Piu Ho, Ranshi Wang
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Publication number: 20170346063Abstract: Provided herein is a separator used for an electrochemical device such as a lithium-ion battery. The separator disclosed herein comprises a porous base material, a first protective porous layer coated on one side of the porous base material, and a second protective porous layer coated on the other side of the porous base material, wherein the first protective porous layer comprises an organic binder and a first inorganic filler, and wherein the second protective porous layer comprises an organic binder and a second inorganic filler different from the first inorganic filler. Also provided herein is a lithium-ion battery including the separator disclosed herein. The separator disclosed herein is excellent in terms of safety, ion permeability, and cycle characteristics.Type: ApplicationFiled: May 24, 2017Publication date: November 30, 2017Inventors: Sing Ming Tony Wong, Sing Hung Eric Wong, Peihua Shen, Yuen Hung, Kam Piu Ho, Ranshi Wang
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Publication number: 20170346058Abstract: Provided herein is a separator used for an electrochemical device such as a lithium-ion battery. The separator disclosed herein comprises a porous base material, and a protective porous layer coated on one or both surfaces of the porous base material disclosed herein, wherein the protective porous layer comprises an organic binder and an inorganic filler, and wherein the inorganic filler comprises a whisker-type material selected from the group consisting of Al2O3, SiO2, TiO2, ZrO2, BaOx, ZnO, CaCO3, TiN, AlN, MTiO3, K2O.nTiO2, Na2O.mTiO2, and combinations thereof, wherein x is 1 or 2; M is Ba, Sr or Ca; n is 1, 2, 4, 6 or 8; and m is 3 or 6. Also provided herein is a lithium-ion battery including the separator disclosed herein. The separator disclosed herein is excellent in terms of safety, ion permeability, and cycle characteristics.Type: ApplicationFiled: May 24, 2017Publication date: November 30, 2017Inventors: Sing Ming Tony Wong, Sing Hung Eric Wong, Peihua Shen, Yuen Hung, Kam Piu Ho, Ranshi Wang
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Publication number: 20170346062Abstract: Provided herein is a separator used for an electrochemical device such as a lithium-ion battery. The separator disclosed herein comprises a porous base material, and a protective porous layer coated on one or both surfaces of the porous base material disclosed herein, wherein the protective porous layer comprises an organic binder and an inorganic filler, and wherein a difference in tensile strength of the separator along the TD direction and MD direction is about 15% or less. Also provided herein is a lithium-ion battery including the separator disclosed herein. The separator disclosed herein is excellent in terms of safety, ion permeability, and cycle characteristics.Type: ApplicationFiled: May 24, 2017Publication date: November 30, 2017Inventors: Sing Ming Tony Wong, Sing Hung Eric Wong, Peihua Shen, Yuen Hung, Kam Piu Ho, Ranshi Wang