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1.发明公开公开(公告)号：US20240351911A1
公开(公告)日：2024-10-24
申请号：US18682434
申请日：2022-04-29
申请人： GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD. , HUNAN BRUNP RECYCLING TECHNOLOGY CO., LTD. , HUNAN BRUNP EV RECYCLING CO., LTD.
发明人： Bin Li , Changdong Li , Weijian Liu , Xingyu Wu , Dingshan Ruan , Yong Cai
IPC分类号： C01G51/00
CPC分类号： C01G51/50 , C01P2004/03 , C01P2004/51 , C01P2004/61 , C01P2006/40 , C01P2006/80
摘要： Disclosed in the present invention is a method for surface modification of a lithium transition metal oxide positive electrode material, including: adding a first additive, a second additive, and a lithium transition metal oxide to water to obtain a first slurry, the first additive being a lithium-containing phosphate, and the second additive being an acidic solution of a Y3+ or Al3+ salt; dropwise adding a third additive to the firs slurry to obtain a second slurry, the third additive being an acidic solution of a TiO2+ or ZrO2+ salt; dropwise adding a fourth additive to the second slurry to obtain a third slurry, the fourth additive being an acidic solution of a AlO2− salt; and performing centrifugation and drying on the third slurry to obtain an intermediate product, mixing the intermediate product with a large-particle positive electrode material, and performing sintering to obtain a surface-modified lithium transition metal oxide material.
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2.发明公开公开(公告)号：US20230322636A1
公开(公告)日：2023-10-12
申请号：US18210097
申请日：2023-06-15
申请人： GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD. , HUNAN BRUNP RECYCLING TECHNOLOGY CO., LTD. , HUNAN BRUNP EV RECYCLING CO., LTD.
发明人： Bin Li , Dingshan Ruan , Shenghe Tang , Ling Li , Xingyu Wu , Changdong Li
IPC分类号： C04B41/89 , C04B35/80 , C04B35/64 , C04B41/52 , C04B41/50 , C04B41/45 , C04B41/00 , F27D5/00
CPC分类号： C04B41/89 , C04B35/80 , C04B35/64 , C04B41/522 , C04B41/5059 , C04B41/5027 , C04B41/5024 , C04B41/4596 , C04B41/4539 , C04B41/4543 , C04B41/0072 , C04B41/4578 , C04B41/524 , F27D5/0012 , C04B2235/3826 , C04B2235/3222 , C04B2235/3248 , C04B2235/3463 , C04B2235/5224 , C04B2235/9669
摘要： Disclosed are a sagger for sintering lithium composite transition metal oxide and a preparation method thereof. The sagger includes a substrate layer and a shallow layer on a surface of the substrate layer, and a coating layer. The substrate layer is prepared from the following raw materials: silicon carbide, magnesia-alumina spinel, aluminum oxide-magnesium oxide-yttrium oxide composite fiber, zircon powder and a binding agent; the shallow layer is prepared from the following raw materials: silicon carbide, magnesia-alumina spinel, aluminum oxide-titanium oxide composite fiber, yttrium oxide-zirconium oxide composite fiber and a binding agent; and the coating layer is prepared from the following raw materials: silicon carbide, magnesia-alumina spinel, magnesium oxide, zirconium oxide fiber, lithium composite transition metal oxide powder and a binding agent. The sagger of the present disclosure has properties of good corrosion resistance and a small coefficient of thermal expansion.
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公开(公告)号：US20240343582A1
公开(公告)日：2024-10-17
申请号：US18684834
申请日：2022-11-15
申请人： GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD. , HUNAN BRUNP RECYCLING TECHNOLOGY CO., LTD. , HUNAN BRUNP EV RECYCLING CO., LTD.
发明人： Maohua Feng , Changdong Li , Xingyu Wu , Dingshan Ruan , Baoye Liu
CPC分类号： C01B32/05 , H01M4/587 , C01P2004/03 , C01P2004/32 , C01P2004/62 , C01P2006/12 , C01P2006/40 , H01M2004/027
摘要： The present disclosure discloses a method for preparing a porous microsphere carbon negative electrode material and an application thereof, the method comprising steps of: mixing plant fiber with a halogenated lithium salt to obtain a mixed solid, heating the mixed solid and introducing an oxidizing gas to obtain a pre-dissociated product; mixing the pre-dissociated product with a dissociation solution and heating for reaction to obtain a dissociated cellulose solution; and adding a hybrid to the dissociated cellulose solution to obtain a hybrid solution, spray-drying the hybrid solution to obtain a microsphere precursor, and heating the microsphere precursor in an inert atmosphere to obtain the porous microsphere carbon negative electrode material.
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公开(公告)号：US20240063389A1
公开(公告)日：2024-02-22
申请号：US18385416
申请日：2023-10-31
申请人： GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD. , HUNAN BRUNP RECYCLING TECHNOLOGY CO., LTD. , HUNAN BRUNP EV RECYCLING CO., LTD.
发明人： Xingyu Wu , Changdong Li , Maohua Feng , Dingshan Ruan , Bin Li , Qianyi Tan
CPC分类号： H01M4/587 , C01B32/05 , C01P2002/72 , C01P2004/03 , C01P2006/12 , C01P2006/40 , H01M2004/027
摘要： The present disclosure discloses a preparation method of a hard carbon (HC) anode material and use thereof. The preparation method includes the following steps: mixing a substance A, a first alcohol liquid, and an oxidant to obtain a peroxide gel of the substance A, and dissolving a substance B in a second alcohol liquid to obtain an amino-containing solution; mixing the peroxide gel of the substance A with the amino-containing solution to allow a reaction to obtain a post-reaction slurry; and lyophilizing the post-reaction slurry to obtain a dry powder, subjecting the dry powder to calcination in a protective atmosphere to obtain a calcined material, soaking the calcined material in an acid liquid, and water-washing and drying to obtain the HC anode material.
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公开(公告)号：US20230411596A1
公开(公告)日：2023-12-21
申请号：US18229186
申请日：2023-08-02
申请人： GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD. , HUNAN BRUNP RECYCLING TECHNOLOGY CO., LTD. , HUNAN BRUNP EV RECYCLING CO., LTD.
发明人： Xingyu Wu , Changdong Li , Dingshan Ruan , Linlin Mao , Maohua Feng , Bin Li
IPC分类号： H01M4/1391 , H01M10/0525 , H01M10/0587 , H01M50/536 , H01M4/131 , H01M4/04 , H01M50/105
CPC分类号： H01M4/1391 , H01M10/0525 , H01M10/0587 , H01M50/105 , H01M4/131 , H01M4/0416 , H01M4/0435 , H01M50/536
摘要： The invention belongs to the technical field of batteries, and discloses a preparation method and application of a lithium cobalt oxide soft-pack battery. The preparation method comprises the following steps: preparation of a lithium cobalt oxide positive electrode; preparation of a graphite negative electrode; preparation of an aluminum plastic film; screening and tab welding the positive and negative electrode, then winding core and packing, injecting an electrolyte to a resulting pack, perform first sealing, formation, second sealing; followed by capacity grading to obtain the lithium cobalt oxide soft pack battery. The preparation method for the lithium cobalt oxide soft-pack battery in a laboratory environment at room temperature provided by the present invention has simple operation and low environmental requirements, can be used in laboratories without dry room conditions, and reduces research and development cost and laboratory maintenance cost.
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6.发明公开公开(公告)号：US20230382763A1
公开(公告)日：2023-11-30
申请号：US18230198
申请日：2023-08-04
申请人： GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD. , HUNAN BRUNP RECYCLING TECHNOLOGY CO., LTD. , HUNAN BRUNP EV RECYCLING CO., LTD.
发明人： Bin Li , Changdong Li , Shenghe Tang , Weijian Liu , Dingshan Ruan , Zhenpeng Xu , Xingyu Wu
IPC分类号： C01G53/00 , H01M10/0525
CPC分类号： C01G53/50 , H01M10/0525 , C01P2006/40 , C01P2002/74 , C01P2004/03
摘要： The invention belongs to the technical field of lithium ion battery materials, and discloses a fast ionic conductor coated lithium-transition metal oxide material having a chemical formula of (1−x)Li1+a (Ni(1−m−n)ConMnm) 1−bMbO2·xLicAldTieM′fM″g (PO4)3 and a preparation method thereof. The fast ionic conductor coated lithium-transition metal oxide material of the present invention has lower impedance, excellent cycle performance and safety performance under high voltage, especially when the charging voltage is greater than 4.62V, 4.65V, or higher. The Lithium-transition metal oxide can be obtained by a primary calcination, and the final product of lithium-transition metal oxide material coated with fast ionic conductor can be obtained by a secondary calcination.
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公开(公告)号：US11876209B2
公开(公告)日：2024-01-16
申请号：US18007261
申请日：2021-07-29
申请人： GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD. , HUNAN BRUNP RECYCLING TECHNOLOGY CO., LTD. , HUNAN BRUNP VEHICLES RECYCLING CO., LTD.
发明人： Bin Li , Dingshan Ruan , Linlin Mao , Shenghe Tang , Xingyu Wu , Changdong Li
IPC分类号： H01M4/04 , H01M4/525 , H01M10/0525 , H01M4/505 , H01M4/02
CPC分类号： H01M4/0452 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M2004/028
摘要： Disclosed are a pre-lithiated lithium ion positive electrode material, a preparation method therefor and use thereof. The lithium ion positive electrode material has a chemical formula of Li2O/[A(3-x)Mex]1/3-LiAO2, wherein A comprises M, and wherein M is at least one of Ni, Co, and Mn; and wherein Me is at least one of Ni, Mn, Al, Mg, Ti, Zr, Y, Mo, W, Na, Ce, Cr, Zn or Fe; and wherein 0
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