Patents by Inventor Xinghua Tao
Xinghua Tao 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: 11946342Abstract: A drilling tool includes an outer cylinder; a power rotary shaft arranged in an inner chamber of the outer cylinder; a percussion generator arranged below the power rotary shaft, having a transmission shaft extending in the outer cylinder and can be driven by the power rotary shaft to rotate around its axis, an output main shaft engaged with a lower end of the transmission shaft so as to be driven by the transmission shaft to rotate about its axis and is movable relative to the transmission shaft along an axial direction, and an percussion assembly The percussion assembly is arranged between an annulus formed between the upper end of the output main shaft and the outer cylinder and can generate reciprocating impact along the axial direction on the output main shaft. A drilling bit connected with the output main shaft extending out of the inner chamber of the outer cylinder.Type: GrantFiled: September 11, 2020Date of Patent: April 2, 2024Assignees: China Petroleum & Chemical Corporation, Sinopec Petroleum Engineering Technology Research Institute Co., Ltd.Inventors: Baoping Lu, Haiping Zhang, Mingguang Sun, Jiachang Wang, Yanbin Zang, Xinghua Tao, Lingchao Xuan, Xiaodan Liu, Renlong Zhang, Lishuang Wang
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Patent number: 11920437Abstract: A speed-enhancing drilling tool includes an upstream drill string (10), which has a drive motor and a first driving rod coupled therewith, a downstream drilling bit; and a percussive device connected between the upstream drilling string and the downstream drilling bit. The first driving rod extending axially and the drive motor are configured to drive the first driving rod in rotation. The percussive device has a rotary driving part having an upper end engaged with the first driving rod to rotate together therewith; and a rotary working part having an upper end engaged with a lower end of the rotary driving part and a lower end connected with the downstream drilling bit. The rotary working part can be driven by the rotary driving part to rotate about its axis, and axially movable relative thereto; and a percussion generating part arranged around the rotary working part.Type: GrantFiled: September 11, 2020Date of Patent: March 5, 2024Assignees: China Petroleum & Chemical Corporation, Sinopec Petroleum Engineering Technology Research Institute Co., Ltd.Inventors: Haiping Zhang, Shidong Ding, Mingguang Sun, Jiachang Wang, Yanbin Zang, Xinghua Tao, Lishuang Wang, Xiaodan Liu, Lingchao Xuan, Renlong Zhang
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Patent number: 11870029Abstract: A separator includes: a first porous substrate; and a second porous substrate arranged on at least one surface of the first porous substrate; wherein the elongation at break of the second porous substrate is greater than the elongation at break of the first porous substrate in at least one of the machine and transverse directions of the separator. The separator has a high tensile strength and an elongation at break and good heat resistance, and may improve the safety performance of the energy storage device when the separator is applied to the energy storage device.Type: GrantFiled: March 17, 2021Date of Patent: January 9, 2024Assignee: NINGDE AMPEREX TECHNOLOGY LIMITEDInventors: Wei Cui, Xinghua Tao, Cong Cheng
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Publication number: 20230327290Abstract: A separator and a lithium-ion battery. The separator includes a porous substrate, and a first coating layer arranged on at least one surface of the porous substrate, wherein the first coating layer includes an aromatic polyamide. An aramid coating layer is used; the aromatic polyamide in the aramid coating layer swells or plasticizes under the action of a solvent and a lithium salt in the electrolyte at high temperature or normal temperature, to increase the elongation of the separator, while improving the safety performance of the lithium-ion battery by interaction between the aramid coating layer and the electrode active material or the binder.Type: ApplicationFiled: June 2, 2023Publication date: October 12, 2023Applicant: Ningde Amperex Technology LimitedInventors: Dongyang GUO, Gengjin KONG, Kebing GUO, Xinghua TAO
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Patent number: 11777133Abstract: A separator includes: a first porous substrate; and a second porous substrate arranged on at least one surface of the first porous substrate; wherein the elongation at break of the second porous substrate is greater than the elongation at break of the first porous substrate in at least one of the machine and transverse directions of the separator. The separator has a high tensile strength and an elongation at break and good heat resistance, and may improve the safety performance of the energy storage device when the separator is applied to the energy storage device.Type: GrantFiled: March 17, 2021Date of Patent: October 3, 2023Assignee: NINGDE AMPEREX TECHNOLOGY LIMITEDInventors: Wei Cui, Xinghua Tao, Cong Cheng
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Publication number: 20230261335Abstract: A battery includes a housing including includes a first housing body and a second housing body mounted on the first housing body, and electrically isolated from each other; a battery cell accommodated in the housing and including a first electrode plate, a second electrode plate, and a separator located between the first electrode plate and the second electrode plate; a first conductive member and a second conductive member forming a conductive structure are accommodated in the housing and electrically isolated from each other. The first conductive member electrically connects the first electrode plate and the first housing body. The second conductive member electrically connects the second electrode plate and the second housing body. The first electrode plate, the separator, and the second electrode plate are wound around the conductive structure to form the battery cell.Type: ApplicationFiled: April 19, 2023Publication date: August 17, 2023Applicant: Ningde Amperex Technology LimitedInventors: Qiao ZENG, Xinghua TAO, Zaibin XIE
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Publication number: 20230261250Abstract: An energy storage device includes a separator, the separator includes a porous substrate, and a porous layer arranged on a surface of the porous substrate. The porous layer comprises inorganic particles and a binder, and a ratio of Dv90 of the inorganic particles to the thickness of the porous layer is in a range from 0.3 to 3.0. Excellent adhesion exists between the separator and the electrode according to the present application, which ensures that the energy storage device has good safety performance. Moreover, the rate performance and cycle performance of the energy storage device can be greatly improved due to the existence of inorganic particles in the separator.Type: ApplicationFiled: April 19, 2023Publication date: August 17, 2023Applicant: Ningde Amperex Technology LimitedInventors: Jianjian YI, Xinzhi ZHANG, Zengbin WEI, Xinghua TAO
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Patent number: 11658334Abstract: A separator including a porous substrate and a porous layer. The porous layer is disposed on a surface of the porous substrate and includes inorganic particles and a binder. The porous substrate has an absolute plastic deformation rate in a first direction ranging from about 40% to about 1800%. By using the separator provided in the present application, the safety performance of lithium ion batteries is improved.Type: GrantFiled: February 19, 2021Date of Patent: May 23, 2023Assignee: NINGDE AMPEREX TECHNOLOGY LIMITEDInventors: KeBing Guo, DongYang Guo, GengJin Kong, XingHua Tao
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Patent number: 11575148Abstract: A porous film, including a binder and inorganic particles. The porous film includes pores formed by the binder. The pores at least include a part of the inorganic particles. The inorganic particles have particle sizes that Dv10 is in a range of 0.015 ?m to 3 ?m, Dv50 is in a range of 0.2 ?m to 5 ?m, and Dv90 is in a range of 1 ?m to 10 ?m. Dv10 of the inorganic particles is less than Dv50 of the inorganic particles, and Dv50 of the inorganic particles is less than Dv90 of the inorganic particles, and the inorganic particles have particle sizes that the ratio of Dv90 to Dv10 is in a range of 2 to 100.Type: GrantFiled: October 1, 2020Date of Patent: February 7, 2023Assignee: NINGDE AMPEREX TECHNOLOGY LIMITEDInventors: Jianjian Yi, Xinzhi Zhang, Zengbin Wei, Xinghua Tao
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Publication number: 20230020998Abstract: A drilling tool has an upstream drilling string, a downstream drilling bit, and a percussive device connected between the upstream drilling string and the downstream drilling bit. In a first state, the upstream drilling string is generated with elastic compression by the percussive device, and in a second state, the upstream drilling string releases the elastic compression to apply impacts on the downstream drilling bit through the percussive device. The drilling tool has a prolonged service life and can effectively reduce the drilling cost.Type: ApplicationFiled: September 11, 2020Publication date: January 19, 2023Inventors: Haiping ZHANG, Yanbin ZANG, Guangjun MA, Jiachang WANG, Mingguang SUN, Xinghua TAO, Lingchao XUAN, Xiaodan LIU, Renlong ZHANG
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Publication number: 20230003084Abstract: A speed-enhancing drilling tool includes an upstream drill string (10), which has a drive motor and a first driving rod coupled therewith, a downstream drilling bit; and a percussive device connected between the upstream drilling string and the downstream drilling bit. The first driving rod extending axially and the drive motor are configured to drive the first driving rod in rotation. The percussive device has a rotary driving part having an upper end engaged with the first driving rod to rotate together therewith; and a rotary working part having an upper end engaged with a lower end of the rotary driving part and a lower end connected with the downstream drilling bit. The rotary working part can be driven by the rotary driving part to rotate about its axis, and axially movable relative thereto; and a percussion generating part arranged around the rotary working part.Type: ApplicationFiled: September 11, 2020Publication date: January 5, 2023Inventors: Haiping ZHANG, Shidong DING, Mingguang SUN, Jiachang WANG, Yanbin ZANG, Xinghua TAO, Lishuang WANG, Xiaodan LIU, Lingchao XUAN, Renlong ZHANG
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Publication number: 20220412165Abstract: A drilling tool includes an outer cylinder; a power rotary shaft arranged in an inner chamber of the outer cylinder; a percussion generator arranged below the power rotary shaft, having a transmission shaft extending in the outer cylinder and can be driven by the power rotary shaft to rotate around its axis, an output main shaft engaged with a lower end of the transmission shaft so as to be driven by the transmission shaft to rotate about its axis and is movable relative to the transmission shaft along an axial direction, and an percussion assembly The percussion assembly is arranged between an annulus formed between the upper end of the output main shaft and the outer cylinder and can generate reciprocating impact along the axial direction on the output main shaft. A drilling bit connected with the output main shaft extending out of the inner chamber of the outer cylinder.Type: ApplicationFiled: September 11, 2020Publication date: December 29, 2022Inventors: Baoping LU, Haiping ZHANG, Mingguang SUN, Jiachang WANG, Yanbin ZANG, Xinghua TAO, Lingchao XUAN, Xiaodan LIU, Renlong ZHANG, Lishuang WANG
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Patent number: 11459487Abstract: A gummed paper comprises a first substrate having an uncovered region on an upper surface thereof; and a second substrate, in which in a thickness direction, a projection of the second substrate partially covers a projection of the first substrate, a dyne value of an upper surface of the second substrate is greater than or equal to 40 dyn/cm, and a dyne value of the uncovered region is less than the dyne value of the upper surface of the second substrate.Type: GrantFiled: November 20, 2018Date of Patent: October 4, 2022Assignee: NINGDE AMPEREX TECHNOLOGY LIMITEDInventors: Zhifang Dai, Luran Zhang, Hai Long, Xinghua Tao
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Publication number: 20220200050Abstract: An electrochemical apparatus includes a positive electrode sheet including a positive electrode active material layer; a negative electrode sheet including a negative electrode active material layer; and a separator disposed between the positive electrode sheet and the negative electrode sheet. A mass ratio of fluorine to nitrogen on a surface layer of the positive electrode active material layer is A, a mass ratio of fluorine to nitrogen on a surface layer of the negative electrode active material layer is B, 3?A?50, and 30?B?300.Type: ApplicationFiled: December 23, 2021Publication date: June 23, 2022Applicant: Ningde Amperex Technology LimitedInventors: Chenxi Jiang, Yafei Zhang, Hongming Yu, Xinghua Tao
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Publication number: 20210305582Abstract: A current collector, including an insulation layer and a conductive layer. The insulation layer is a hot melt adhesive layer or a composite film layer formed by laminating a polymer layer and a hot melt adhesive layer; and the conductive layer is disposed on at least one surface of the insulation layer and bonded with the hot melt adhesive layer. The conductive layer is bonded with the hot melt adhesive layer, achieving a relatively strong bonding force between the conductive layer and the insulation layer, so that the conductive layer does not easily peel off. This application further provides an electrode plate and an electrochemical apparatus that use the foregoing current collector.Type: ApplicationFiled: April 14, 2021Publication date: September 30, 2021Inventors: Weihan WANG, Xinghua TAO, Yangping SHENG
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Patent number: 11104827Abstract: A gummed paper includes: a first adhesive layer, configured to adhere to an object; a first substrate, adhered to a surface of the first adhesive layer opposite to the object; a second adhesive layer, adhered to a surface of the first substrate opposite to the first adhesive layer; a second substrate, adhered to a surface of the second adhesive layer opposite to the first substrate; and a plurality of foaming agent particles, distributed in the first adhesive layer.Type: GrantFiled: November 20, 2018Date of Patent: August 31, 2021Assignee: NINGDE AMPEREX TECHNOLOGY LIMITEDInventors: Zhifang Dai, Luran Zhang, Hai Long, Xinghua Tao
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Publication number: 20210203037Abstract: A separator includes: a first porous substrate; and a second porous substrate arranged on at least one surface of the first porous substrate; wherein the elongation at break of the second porous substrate is greater than the elongation at break of the first porous substrate in at least one of the machine and transverse directions of the separator. The separator has a high tensile strength and an elongation at break and good heat resistance, and may improve the safety performance of the energy storage device when the separator is applied to the energy storage device.Type: ApplicationFiled: March 17, 2021Publication date: July 1, 2021Inventors: Wei Cui, Xinghua Tao, Cong Cheng
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Publication number: 20210203036Abstract: A separator includes: a first porous substrate; and a second porous substrate arranged on at least one surface of the first porous substrate; wherein the elongation at break of the second porous substrate is greater than the elongation at break of the first porous substrate in at least one of the machine and transverse directions of the separator. The separator has a high tensile strength and an elongation at break and good heat resistance, and may improve the safety performance of the energy storage device when the separator is applied to the energy storage device.Type: ApplicationFiled: March 17, 2021Publication date: July 1, 2021Inventors: Wei CUI, Xinghua TAO, Cong CHENG
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Publication number: 20210184315Abstract: A separator includes a porous substrate, and a porous layer arranged on a surface of the porous substrate. The porous layer comprises inorganic particles and a binder, and a ratio of Dv90 of the inorganic particles to the thickness of the porous layer is in a range from 0.3 to 3.0. Excellent adhesion exists between the separator and the electrode according to the present application, which ensures that the energy storage device has good safety performance. Moreover, the rate performance and cycle performance of the energy storage device can be greatly improved due to the existence of inorganic particles in the separator.Type: ApplicationFiled: February 18, 2021Publication date: June 17, 2021Inventors: Jianjian Yi, Xinzhi Zhang, Zengbin Wei, Xinghua Tao
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Publication number: 20210184316Abstract: A separator including a porous substrate and a porous layer. The porous layer is disposed on a surface of the porous substrate and includes inorganic particles and a binder. The porous substrate has an absolute plastic deformation rate in a first direction ranging from about 40% to about 1800%. By using the separator provided in the present application, the safety performance of lithium ion batteries is improved.Type: ApplicationFiled: February 19, 2021Publication date: June 17, 2021Inventors: KeBing Guo, DongYang Guo, GengJin Kong, XingHua Tao