Patents by Inventor Ze ZHONG
Ze ZHONG 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).
-
Patent number: 12230803Abstract: The present application discloses a secondary battery, a method for preparing the same, a copolymer and an apparatus. The secondary battery includes a binder for binding a first substance and a second substance, the binder including a copolymer, wherein the copolymer comprises at least a first monomer unit represented by formula (I), a second monomer unit represented by formula (II), and a third monomer unit represented by formula (III): The secondary battery provided by the present application can effectively increase the boding force between the first substance and the second substance by including a specific binder, thereby improving the electrochemical performance of the secondary battery.Type: GrantFiled: May 17, 2022Date of Patent: February 18, 2025Assignee: Contemporary Amperex Technology (Hong Kong) LimitedInventors: Ze Zhong, Hao Dong
-
Patent number: 11978905Abstract: The present application discloses a secondary battery, an apparatus comprising the secondary battery, a process for the preparation of the secondary battery, and a binder composition. The secondary battery comprises a binder for bonding a first substance and a second substance, the binder comprising a polymer obtained by crosslinking a binder composition, wherein the binder composition comprises a cross-linkable polymer matrix and a cross-linking agent, the cross-linkable polymer matrix comprises one or more of monomer units represented by formula (I), and the cross-linking agent comprises a compound represented by formula (II). The secondary battery provided by the present application has an effectively improved cycle life.Type: GrantFiled: May 17, 2022Date of Patent: May 7, 2024Assignee: Contemporary Amperex Technology Co., LimitedInventor: Ze Zhong
-
Publication number: 20240128464Abstract: Disclosed are a current collector, an electrode plate, and a battery. The current collector includes a substrate and a conductive coating layer coated on the surface of the substrate, where the conductive coating layer includes alternately arranged raised parts and recessed parts. A plurality of recessed parts are arranged on the conductive coating layer, which may increase the component of the coated active material without increasing the overall thickness, significantly increase the bonding strength of the active material and the conductive coating layer, and improve the conductivity; it can effectively inhibit the thickness expansion of the electrode plate, and solve the problem that the bonding strength of the carbon-containing layer and the active material in the prior art needs to be improved.Type: ApplicationFiled: May 18, 2023Publication date: April 18, 2024Applicant: ZHUHAI COSMX BATTERY CO., LTD.Inventors: Shuanghu ZHANG, Yuanhong LYU, Pan ZHU, Ze ZHONG, Jichun XIE
-
Publication number: 20220285687Abstract: The present application discloses a secondary battery, a method for preparing the same, a copolymer and an apparatus. The secondary battery includes a binder for binding a first substance and a second substance, the binder including a copolymer, wherein the copolymer comprises at least a first monomer unit represented by formula (I), a second monomer unit represented by formula (II), and a third monomer unit represented by formula (III): The secondary battery provided by the present application can effectively increase the boding force between the first substance and the second substance by including a specific binder, thereby improving the electrochemical performance of the secondary battery.Type: ApplicationFiled: May 17, 2022Publication date: September 8, 2022Applicant: Contemporary Amperex Technology Co., LimitedInventors: Ze Zhong, Hao Dong
-
Publication number: 20220278331Abstract: The present application discloses a secondary battery, an apparatus comprising the secondary battery, a process for the preparation of the secondary battery, and a binder composition. The secondary battery comprises a binder for bonding a first substance and a second substance, the binder comprising a polymer obtained by crosslinking a binder composition, wherein the binder composition comprises a cross-linkable polymer matrix and a cross-linking agent, the cross-linkable polymer matrix comprises one or more of monomer units represented by formula (I), and the cross-linking agent comprises a compound represented by formula (II). The secondary battery provided by the present application has an effectively improved cycle life.Type: ApplicationFiled: May 17, 2022Publication date: September 1, 2022Applicant: Contemporary Amperex Technology Co., LimitedInventor: Ze ZHONG
-
Patent number: 10858551Abstract: A bonding agent includes: structural units represented by Formula I, Formula II, Formula III, and Formula IV: where each of R1, R2, R3, and R4 is independently selected from the group consisting of hydrogen, and C1-8 straight-chain or branched alkyl groups substituted or not substituted by a substituting group, each of R5, R6, and R7 is independently selected from the group consisting of hydrogen, and C1-6 straight-chain or branched alkyl groups substituted or not substituted by a substituting group, R8 is selected from C1-15 alkyl groups substituted or not substituted by a substituting group, each of R9, R10, and R11 is independently selected from the group consisting of hydrogen, and C1-6 straight-chain or branched alkyl groups substituted or not substituted by a substituting group.Type: GrantFiled: August 28, 2018Date of Patent: December 8, 2020Assignee: NINGDE AMPEREX TECHNOLOGY LIMITEDInventors: Ze Zhong, Chengdong Sun, Huihui Liu, Xinghui Wang, Zengbin Wei
-
Patent number: 10240073Abstract: The present disclosure relates to a lithium-ion battery bonding agent and a lithium-ion battery comprising the same. The bonding agent may be a polymer comprising structural units represented by Formula I, Formula II, Formula III, and Formula IV, and has an average molecular weight of 500,000 to 1.2 million. The bonding agent may be incorporated into at least one of a positive film, a negative film, a separator, and an electrolyte in the battery. The bonding agent can significantly improve the flexibility of the positive film, avoid processability and battery performance issues caused by the electrode film being too brittle, and help improve the compact density and battery energy density.Type: GrantFiled: October 18, 2016Date of Patent: March 26, 2019Assignee: NINGDE AMPEREX TECHNOLOGY LIMITEDInventors: Ze Zhong, Chengdong Sun, Huihui Liu, Xinghui Wang, Zengbin Wei
-
Publication number: 20190067685Abstract: The present disclosure provides a negative electrode slurry, a negative electrode plate and an electrochemical energy storage device. The negative electrode slurry comprises a solvent and a solid component dispersed in the solvent. The solid component comprises a negative electrode active material, a water-soluble binder and a dispersant. The negative electrode active material comprises a carbon-type active material. The dispersant comprises an A dispersant and a B dispersant, the A dispersant is a cellulose-type dispersant, the B dispersant is at least one of poly(acrylic acid)-type dispersant, polyacrylate-type dispersant and polyacrylamide-type dispersant.Type: ApplicationFiled: July 27, 2018Publication date: February 28, 2019Inventors: Zhongsi Zhu, Ze Zhong, Chengdong Sun, Yi Zheng, Lingyun Feng, Hang Zhou, Long Wang
-
Publication number: 20180362813Abstract: A bonding agent includes: structural units represented by Formula I, Formula II, Formula III, and Formula IV: where each of R1, R2, R3, and R4 is independently selected from the group consisting of hydrogen, and C1-8 straight-chain or branched alkyl groups substituted or not substituted by a substituting group, each of R5, R6, and R7 is independently selected from the group consisting of hydrogen, and C1-6 straight-chain or branched alkyl groups substituted or not substituted by a substituting group, R8 is selected from C1-15 alkyl groups substituted or not substituted by a substituting group, each of R9, R10, and R11 is independently selected from the group consisting of hydrogen, and C1-6 straight-chain or branched alkyl groups substituted or not substituted by a substituting group.Type: ApplicationFiled: August 28, 2018Publication date: December 20, 2018Inventors: Ze Zhong, Chengdong Sun, Huihui Liu, Xinghui Wang, Zengbin Wei
-
Publication number: 20170204308Abstract: The present disclosure relates to the field of lithium-ion battery materials, and specifically relates to a lithium-ion battery bonding agent and a lithium-ion battery comprising said bonding agent. The bonding agent is a polymer comprising structural units represented by Formula I, Formula II, Formula III, and Formula IV, and has a number average molecular weight of 500,000 to 1.2 million. The present disclosure further relates to a lithium-ion battery, comprising a positive film, a negative film, a separator, and an electrolyte, the positive film comprising the bonding agent according to the present disclosure. The bonding agent according to the present disclosure can significantly improve the flexibility of a positive film, avoid processability and battery performance issues caused by the electrode film being too brittle, and help improve the compact density and battery energy density.Type: ApplicationFiled: October 18, 2016Publication date: July 20, 2017Inventors: Ze ZHONG, Chengdong SUN, Huihui LIU, Xinghui WANG, Zengbin WEI
-
Patent number: 9507884Abstract: A modeling system and modeling method based on a logical relation, including an operation task integrating module, a task interpreter, a graph layout correcting module, a graph wiring correcting module and a database model increment correcting module, wherein the database model increment correcting module includes a graph increment calculating unit and a model increment calculating unit. The system, through description of the logical relation and based on support of the automatic wiring technology, realizes the graph-model integrated generation of a new grid model of the power system which is based on the description of the logical relation; the grid model is completely defined and modified on “one net”, which is different from the original way that the power system model is established on countless net graphs, thereby helping the grid operation manager to accurately and rapidly establish and modify the grid model of the full system.Type: GrantFiled: August 1, 2013Date of Patent: November 29, 2016Assignee: QINGDAO POWER SUPPLY COMPANY OF SHANDONG ELECTRIC POWER GROUP CORPORATIONInventors: Jian Ying Li, Sheng Chuan Zhao, Yuan Long Liu, Lu Dong Luo, Qiang Wang, Yuan Zhang, Wen Gang Wang, Chao Wang, Rui Peng Zhang, Li Wang, Ze Zhong Wang, Gong Pu Wang, Xin Yang, Hui Yang
-
Publication number: 20140039865Abstract: A modeling system and modeling method based on a logical relation, including an operation task integrating module, a task interpreter, a graph layout correcting module, a graph wiring correcting module and a database model increment correcting module, wherein the database model increment correcting module includes a graph increment calculating unit and a model increment calculating unit. The system, through description of the logical relation and based on support of the automatic wiring technology, realizes the graph-model integrated generation of a new grid model of the power system which is based on the description of the logical relation; the grid model is completely defined and modified on “one net”, which is different from the original way that the power system model is established on countless net graphs, thereby helping the grid operation manager to accurately and rapidly establish and modify the grid model of the full system.Type: ApplicationFiled: August 1, 2013Publication date: February 6, 2014Applicant: QINGDAO POWER SUPPLY COMPANY OF SHANDONG ELECTRIC POWER GROUP CORPORATIONInventors: Jian Ying LI, Sheng Chuan ZHAO, Yuan Long LIU, Lu Dong LUO, Qiang WANG, Yuan ZHANG, Wen Gang WANG, Chao WANG, Rui Peng ZHANG, Li WANG, Ze Zhong WANG, Gong Pu WANG, Xin YANG, Hui YANG
-
Patent number: D1073881Type: GrantFiled: January 11, 2025Date of Patent: May 6, 2025Inventor: Li Ze Zhong