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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1
EP3774663A1
O3/P2 MIXED PHASE SODIUM-CONTAINING DOPED LAYERED OXIDE MATERIALS
Publication/Patent Number: EP3774663A1 Publication Date: 2021-02-17 Application Number: 19717595.3 Filing Date: 2019-04-08 Inventor: Barker, Jeremy   Heap, Richard   Assignee: Faradion Ltd.   IPC: C01G53/00
2
CN112262109A
O3/P2混合相含钠掺杂层状氧化物材料
Substantial Examination
Publication/Patent Number: CN112262109A Publication Date: 2021-01-22 Application Number: 201980037358.2 Filing Date: 2019-04-08 Inventor: J·巴克   R·希普   Assignee: 法拉典有限公司   IPC: C01G53/00 Abstract: 本发明涉及O3/P2混合相含钠掺杂层状氧化物材料,其包含具有O3型结构的第一相和具有P2型结构的第二相的混合物;其中所述O3:P2混合相含钠掺杂层状氧化物材料具有以下通式:NaAMMMMMO。本发明还提供了用于制备这样的O3/P2混合相含钠掺杂层状氧化物材料的方法,以及其用途应用。
3
CN109071264B
含过渡金属的氢氧化物和含锂复合氧化物的制造方法
Grant
Publication/Patent Number: CN109071264B Publication Date: 2021-02-02 Application Number: 201780009569.6 Filing Date: 2017-02-03 Inventor: 酒井智弘   Assignee: 住友化学株式会社   IPC: C01G53/00 Abstract: 本发明提供含过渡金属的氢氧化物,它是含锂复合氧化物的前体,通过将由其获得的含锂复合氧化物用作正极活性物质,能够得到放电容量和循环特性优良的锂离子二次电池。该含过渡金属的氢氧化物是含锂复合氧化物的前体,由BJH法求得对数微分细孔比表面积相对于细孔径的分布,在分布整体的对数微分细孔比表面积的合计值100%中,细孔径在10nm以上的对数微分细孔比表面积的合计值的比例在23%以上。
4
CN112299494A
一种镍钴氢氧化物材料的制备方法
Substantial Examination
Publication/Patent Number: CN112299494A Publication Date: 2021-02-02 Application Number: 202011180989.0 Filing Date: 2020-10-29 Inventor: 许开华   乐绪清   刘郁   任云强   吴雨晴   师树临   邓安志   Assignee: 格林爱科(荆门)新能源材料有限公司   IPC: C01G53/00 Abstract: 本发明公开了一种镍钴氢氧化物材料的制备方法,步骤包括:将硫酸镍溶液、硫酸钴溶液配制混合溶液,然后将混合溶液、氢氧化钠溶液、氨水同时通入反应器中进行共沉淀反应,并限制反应条件,持续搅拌陈化,最后经洗涤、固液分离、干燥、烘干得到镍钴氢氧化物材料。采用本发明的方法,可以有效防止镍钴氢氧化物大颗粒开裂,提高产品质量。
5
CN112429783A
掺锆三元前驱体废料溶解液除锆的方法
Public
Publication/Patent Number: CN112429783A Publication Date: 2021-03-02 Application Number: 202011325589.4 Filing Date: 2020-11-24 Inventor: 王博宇   刘增威   王文平   张大伟   Assignee: 贵州中伟资源循环产业发展有限公司   IPC: C01G53/00 Abstract: 本发明提供一种掺锆三元前驱体废料溶解液除锆的方法,涉及锂离子电池领域。掺锆三元前驱体废料溶解液除锆的方法,包括:将包括碱性物质和所述掺锆三元前驱体废料溶解液在内的原料混合得到混合溶液,进行第一反应,然后进行后处理得到三元溶液和含锆渣;所述掺锆三元前驱体废料溶解液的原料包括掺锆三元前驱体废料,所述掺锆三元前驱体废料中铁元素和铝元素的含量小于等于0.03wt%,所述混合溶液的pH为2.5‑7。本申请提供的掺锆三元前驱体废料溶解液除锆的方法,能够有效去除三元前驱体废料中的锆,同时减少镍的损失,降低回收成本。
6
EP3774661A1
METHODS FOR PREPARING POSITIVE ELECTRODE MATERIAL FOR RECHARGEABLE LITHIUM ION BATTERIES
Publication/Patent Number: EP3774661A1 Publication Date: 2021-02-17 Application Number: 19710682.6 Filing Date: 2019-03-13 Inventor: Paulsen, Jens   Kumakura, Shinichi   Yang, Taehyeon   Kim, Dae-hyun   Yang, Hyejeong   Assignee: Umicore   Umicore Korea Ltd.   IPC: C01G53/00
7
CN109437337B
一种具有项链结构的棒组成的烟花状钴酸镍材料及其制备方法与应用
Grant
Publication/Patent Number: CN109437337B Publication Date: 2021-03-02 Application Number: 201811417560.1 Filing Date: 2018-11-26 Inventor: 周国伟   张玮倩   辛王鹏   胡婷婷   宫庆华   Assignee: 齐鲁工业大学   IPC: C01G53/00 Abstract: 本公开涉及一种具有项链结构的棒组成的烟花状NiCoO材料及其制备方法与应用,包括以下步骤:β‑CD为结构导向剂,通过调节溶剂中环糊精的量来控制阴阳离子表面活性剂的聚集状态,以阴阳离子表面活性剂聚集体为软模板,以Ni(NO)·6HO、Co(NO)·6HO为金属源,尿素为沉淀剂,以水为溶剂,采用溶剂热法和煅烧过程制备得到了项链结构组成的烟花状NiCoO材料。本发明制备的烟花状NiCoO材料分散均匀,比表面积高达141.61mg。
8
EP3780177A1
NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
Publication/Patent Number: EP3780177A1 Publication Date: 2021-02-17 Application Number: 19780995.7 Filing Date: 2019-02-20 Inventor: Saitou, Motoharu   Ogasawara, Takeshi   Aoki, Yoshinori   Tsuji, Tomoki   Assignee: Panasonic Intellectual Property Management Co., Ltd.   IPC: H01M4/525 Abstract: A non-aqueous electrolyte secondary battery according to one embodiment includes a positive electrode, a negative electrode, and a non-aqueous electrolyte. The positive electrode has lithium composite oxide particles containing 80 mol% or more but less than 100 mol% of Ni with respect to the total number of moles of metal elements excluding Li. The lithium composite oxide particles include particles (32) having a stair-like structure in which three or more layers of a flat surface (30) having a periphery length of 1 µm or more are layered.
9
EP3778491A1
LITHIUM COMPOSITE METAL COMPOUND, LITHIUM-SECONDARY-BATTERY POSITIVE ELECTRODE ACTIVE MATERIAL, LITHIUM-SECONDARY-BATTERY POSITIVE ELECTRODE, LITHIUM SECONDARY BATTERY, AND LITHIUM COMPOSITE METAL COMPOUND PRODUCTION METHOD
Publication/Patent Number: EP3778491A1 Publication Date: 2021-02-17 Application Number: 19775658.8 Filing Date: 2019-02-28 Inventor: Inoue, Masashi   Maeda, Yusuke   Assignee: SUMITOMO CHEMICAL COMPANY LIMITED   Tanaka Chemical Corporation   IPC: C01G53/00 Abstract: Provided are a lithium composite metal compound having excellent cycle characteristics in the case of being used as battery materials, a positive electrode active material for a lithium secondary battery using the same, a positive electrode using the same, and a non-aqueous electrolyte secondary battery using the same. The lithium composite metal compound is represented by Composition Formula (I), in which physical property values of pores that are obtained from measurement of nitrogen adsorption and desorption isotherms at a liquid nitrogen temperature satisfy requirements (1) and (2).
10
EP3296267B1
SPHERICAL OR SPHERICAL-LIKE LITHIUM ION BATTERY CATHODE MATERIAL, PREPARATION METHOD AND APPLICATION THEREOF
Publication/Patent Number: EP3296267B1 Publication Date: 2021-01-27 Application Number: 17175187.8 Filing Date: 2017-06-09 Inventor: Zhou, Chaoyi   Wang, Lijuan   Peng, Peng   Yin, Zhu'an   Mei, Ming   Li, Lu   Huang, Xin   Xiang, Qianxin   Assignee: Guizhou Zhenhua E-CHEM Inc.   IPC: C01G53/00
11
CN112424125A
用于加工富镍电极活性材料的方法
Public
Publication/Patent Number: CN112424125A Publication Date: 2021-02-26 Application Number: 201980043180.2 Filing Date: 2019-06-17 Inventor: C·埃尔克   T·莱策尔特   M·赫尔茨勒   C·苏林   Assignee: 巴斯夫欧洲公司   IPC: C01G53/00 Abstract: 用于改性根据通式LiTMO的电极活性材料的方法,其中TM包含Ni和至少一种选自Co和Mn的过渡金属,以及任选地至少一种选自Al、Ba和Mg的金属,以及任选地一种或多种除Ni、Co和Mn之外的过渡金属的组合,其中至少75摩尔%的TM为Ni,且x为‑0.05至0.2,所述方法包括以下步骤:(a)用pH值为至少5且至多14的含水介质处理所述LiTMO,(b)通过固液分离由经处理的LiTMO中移除所述含水介质,其中步骤(a)和(b)以最大3分钟的时间差开始。此外,本发明涉及富镍电极活性材料。
12
CN108622944B
一种pH值及粘合剂调控的具软磁性和丙酮气体敏感性的铁酸铜镍材料的制备及应用
Grant
Publication/Patent Number: CN108622944B Publication Date: 2021-02-05 Application Number: 201810456285.8 Filing Date: 2018-05-14 Inventor: 孙礼   郝文涛   倪青   曹恩思   张雍家   郭建琴   Assignee: 太原理工大学   IPC: C01G53/00 Abstract: 本发明属气敏传感材料技术领域,为解决铁酸铜镍的饱和磁化强度、剩余磁化强度的比较提升问题,提供一种pH值及粘合剂调控的具软磁性和丙酮气体敏感性的铁酸铜镍材料的制备及应用。采用溶胶‑凝胶法,以硝酸铁、硝酸铜和硝酸镍为原料,去离子水为溶剂,用氨水调节溶液pH值,按化学元素摩尔比称取原料,配置成溶胶,于水浴锅中不断搅拌至形成干凝胶,排除有机物,得到NiCuFeO前驱体粉末,经过干燥、粉碎、研磨、煅烧系列过程最终可获得NiCuFeO纳米粉体样品。通过pH值和粘合剂调控的复合作用有效的改良了铁酸铜镍材料的饱和磁化强度和剩余磁化强度,同时能有效检测丙酮气体。
13
US10903492B2
Method of producing nickel-cobalt composite hydroxide and method of producing positive electrode active material for non-aqueous electrolyte secondary battery
Publication/Patent Number: US10903492B2 Publication Date: 2021-01-26 Application Number: 16/597,416 Filing Date: 2019-10-09 Inventor: Yoshida, Hideki   Sonoo, Masato   Kitagawa, Takahiro   Assignee: NICHIA CORPORATION   IPC: H01M4/525 Abstract: A method of producing a nickel-cobalt composite hydroxide includes: preparing a first solution containing nickel ions and cobalt ions; preparing a second solution containing tungsten ions and having a pH of 10 or more; preparing a third solution containing a complex ion-forming factor; preparing a liquid medium having a pH in a range of 10 to 13.5; supplying the first solution, the second solution, and the third solution separately and simultaneously to the liquid medium to obtain a reacted solution having a pH in a range of 10 to 13.5; and obtaining the nickel-cobalt composite hydroxide containing nickel, cobalt, and tungsten from the reacted solution.
14
CN111362317B
一种LiNiCoMnO的制备方法
Grant
Publication/Patent Number: CN111362317B Publication Date: 2021-02-02 Application Number: 202010113542.5 Filing Date: 2020-02-24 Inventor: 江奇   彭俊棋   卢晓英   Assignee: 西南交通大学   IPC: C01G53/00 Abstract: 本发明涉及三元正极材料制备技术领域,公开了一种LiNiCoMnO的制备方法,包括以下步骤:S1.称取Ni(OH)·HO、CoO和MnSO·HO,得到初反应物,备用;S2.取草酸与溶剂Ⅰ混合均匀,得到混合溶液,备用;S3.取PVP、溶剂Ⅱ和初反应物混合均匀,经加热处理,得到悬浮液Ⅰ;S4.在搅拌状态下,向悬浮液Ⅰ中滴加混合溶液,经搅拌处理,得到悬浮液Ⅱ;S5.所述悬浮液Ⅱ经抽滤、洗涤和真空干燥处理,得到前驱体;S6.取LiOH·HO与前驱体混合,经研磨处理,得到混合物;S7.所述混合物经一次煅烧、冷却和研磨处理,得到中间产物;S8.所述中间产物经再次煅烧和冷却处理,得到LiNiCoMnO;本发明通过PVP对晶体形貌进行调控,并利用液相辅助的均匀混合,达到了控制颗粒形貌和尺寸和提升材料电化学性能的效果。
15
US2021032122A1
METHODS FOR PREPARING PARTICLE PRECURSOR, AND PARTICLE PRECURSOR PREPARED THEREBY
Publication/Patent Number: US2021032122A1 Publication Date: 2021-02-04 Application Number: 17/043,623 Filing Date: 2019-06-11 Inventor: Yonemoto, Bryan   Zhang, Xiao   Assignee: Microvast Power Systems Co., LTD.   IPC: C01G53/00 Abstract: The invention relates to a method for preparing core-shell structured particle precursor under a co-precipitation reaction. In this method, by controlling the feeding of different types of anion compositions and/or cation compositions, and adjusting the pH to match with the species, precipitated particles are deposited to form a precipitated particle slurry, filtering, and drying the precipitated particle slurry to yield the particle precursor. The invention also provides a particle precursor which includes a core-shell structure. The shell is made of gradient anions and/or cations. Such particle precursor can be used to prepare cathode of lithium-ion battery.
16
CN109160545B
一种镍钴锰酸锂前驱体合成装置
Grant
Publication/Patent Number: CN109160545B Publication Date: 2021-01-05 Application Number: 201810819596.6 Filing Date: 2018-07-24 Inventor: 许开华   闫梨   Assignee: 格林美股份有限公司   IPC: C01G53/00 Abstract: 本发明适用于正极材料制备设备领域,提供一种镍钴锰酸锂前驱体合成装置,设置上料筒和预热料筒,提前将各反应原料压入一定量至预热存料筒内通过加热网盘预热,无需对整个存贮原料箱进行加热,耗能少,当各原料进入到混合腔内时,混合液体温度能够保持一定温度,混合腔内也有加热管可以对混合液体进行升温达到反应温度条件,有利于反应快速进行,节省反应时间,同时保证了合成沉淀质量。
17
CN112399963A
通过热处理并入金属的有机聚合物制造的无机纳米材料
Public
Publication/Patent Number: CN112399963A Publication Date: 2021-02-23 Application Number: 201980028420.1 Filing Date: 2019-04-26 Inventor: B·k·勒塞尔   Assignee: 纳诺黛恩公司   IPC: C01G45/12 Abstract: 一种形成无机纳米材料的方法,通过热处理并入金属的有机聚合物以去除有机物而留下无机纳米材料,其中,可以通过有机单体与含金属的前体的聚合物合成反应来形成并入金属的有机聚合物前体;并通过将含金属的前体与至少一种有机单体合并以获得混合物并引发该混合物的聚合反应,从而形成并入金属的有机聚合物前体。
18
EP3767717A1
LITHIUM METAL COMPOSITE OXIDE POWDER, POSITIVE ELECTRODE ACTIVE SUBSTANCE FOR LITHIUM SECONDARY BATTERY, POSITIVE ELECTRODE, AND LITHIUM SECONDARY BATTERY
Publication/Patent Number: EP3767717A1 Publication Date: 2021-01-20 Application Number: 19766519.3 Filing Date: 2019-03-13 Inventor: Kuroda, Tomoya   Imanari, Yuichiro   Assignee: SUMITOMO CHEMICAL COMPANY LIMITED   IPC: H01M4/525 Abstract: A lithium metal composite oxide powder including: secondary particles that are aggregates of primary particles, and single particles that are present independently of the secondary particles, wherein the lithium metal composite oxide is represented by composition formula (I), and the single particles have an average crushing strength exceeding 80 MPa:         Li[Lix(Ni(1-y-z-w)CoyMn7Mw)1-x]O2     (1) wherein M is one or more metal elements selected from the group consisting of Fe, Cu, Ti, Mg, Al, W, B, Mo, Nb, Zn, Sn, Zr, Ga, La and V, -0.1 ≦ x ≦ 0.2, 0 ≦ y ≦ 0.4, 0 ≦ z ≦ 0.4, and 0 ≦ w ≦ 0.1.
19
EP3770121A1
LITHIUM-CONTAINING METAL OXIDE, POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERIES, AND LITHIUM SECONDARY BATTERY
Publication/Patent Number: EP3770121A1 Publication Date: 2021-01-27 Application Number: 19772016.2 Filing Date: 2019-03-22 Inventor: Nagao, Daisuke   Kageura, Jun-ichi   Maeda, Yusuke   Assignee: SUMITOMO CHEMICAL COMPANY LIMITED   Tanaka Chemical Corporation   IPC: C01G53/00 Abstract: A lithium composite metal oxide containing a secondary particle that is an aggregate of primary particles, in which, when a cross-sectional image of the secondary particle is acquired, and the cross-sectional image is observed, a content proportion of reference primary particles present in a central part of the secondary particle is 20% or more and 50% or less, and a content proportion of reference primary particles present in a surface part of the secondary particle is 30% or more and 100% or less.
20
US2021020931A1
ELECTRODE ACTIVE COMPOSITIONWITH REDUCED AMOUNT OF COBALT
Publication/Patent Number: US2021020931A1 Publication Date: 2021-01-21 Application Number: 16/516,249 Filing Date: 2019-07-18 Inventor: Huang, Guiqing   Mo, Boshan   Mo, Youde   Assignee: , Guangxi Nowphene Energy Storage Technologies Co., Ltd   Boston Global Technologies, LLC   IPC: H01M4/505 Abstract: The present invention provides an electrode active composition represented by formula (I). Li1+xMnaNibO2+x.LiyCoyO2y.D*C (I), wherein x>0, 0<y<0.1, a+b=1, 1.2≤a/b≤3.0; and D and C are optional dopants and coating agents that contain no cobalt element. The active compositions of Formula (I) exhibit electrochemical properties comparable to those with a higher cobalt amount, such as NCM523 electrode material (LiNi0.5Co0.2Mn0.3O2).
Total 500 pages