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公开(公告)号：US10312551B2
公开(公告)日：2019-06-04
申请号：US15261942
申请日：2016-09-10
Applicant: Microvast Power Systems Co., Ltd.
Inventor： Zhuoqun Zheng , Dawei Shen , Jian Qiu , Yunhua Nie , Xiaozhen Zhao , Danyi Li
IPC: H01M10/42 , H01M10/0568 , H01M10/0525 , H01M10/0569
Abstract: The present invention relates to a preparation method of ionic liquids, particularly to a one-step reaction method used for synthesizing quaternary ammonium compounds or quaternary phosphonium compounds. In the method, a nitrogenous or phosphorous compound, a proton compound, and a carbonate ester are added into a reactor simultaneously to synthesize corresponding the quaternary ammonium ionic liquid or the quaternary phosphonium ionic liquid through said one-step reaction, i.e., ‘one-pot method’ reaction, during which three reactants are involved. The present invention also provides a lithium ion secondary battery comprising the ionic liquid prepared by above-mentioned preparation method. The ionic liquid preparation method of the present invention can widen the choice range of raw materials needed when preparing ionic liquids, and further widen the synthesized ionic liquid species.
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公开(公告)号：US10411301B2
公开(公告)日：2019-09-10
申请号：US15413396
申请日：2017-01-23
Applicant: Microvast Power Systems Co., Ltd.
Inventor： Zhuoqun Zheng , Dawei Shen , Zhenyu Fei
IPC: H01M4/02 , H01M10/0568 , C07C211/63 , C07D207/06 , C07D207/20 , C07D295/037 , H01M10/0525 , C07C311/09 , H01M10/0569
Abstract: The present disclosure provides an ionic liquid and a preparation method thereof, in particular, the present disclosure provides an ionic liquid whose halogen anions content and moisture content are low, and a method for preparing the same. The total content of halogen anions in the ionic liquid is less than 10 ppm, and moisture content in the ionic liquid is less than 50 ppm. The ionic liquid prepared by the method of the present disclosure is suitable for electrochemical systems which have high requirements for moisture content, such as lithium ion secondary batteries and electrochemical supercapacitors.
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Patent Agency Ranking
公开(公告)号：US20170077557A1
公开(公告)日：2017-03-16
申请号：US15261942
申请日：2016-09-10
Applicant: Microvast Power Systems Co., Ltd.
Inventor： Zhuoqun Zheng , Dawei Shen , Jian Qiu , Yunhua Nie , Xiaozhen Zhao , Danyi Li
IPC: H01M10/42 , H01M10/0568 , H01M10/0569 , H01M10/0525
CPC classification number: H01M10/4235 , H01M4/525 , H01M10/0525 , H01M10/0567 , H01M10/0568 , H01M10/0569 , H01M2300/0028
Abstract: The present invention relates to a preparation method of ionic liquids, particularly to a one-step reaction method used for synthesizing quaternary ammonium compounds or quaternary phosphonium compounds. In the method, a nitrogenous or phosphorous compound, a proton compound, and a carbonate ester are added into a reactor simultaneously to synthesize corresponding the quaternary ammonium ionic liquid or the quaternary phosphonium ionic liquid through said one-step reaction, i.e., ‘one-pot method’ reaction, during which three reactants are involved. The present invention also provides a lithium ion secondary battery comprising the ionic liquid prepared by above-mentioned preparation method. The ionic liquid preparation method of the present invention can widen the choice range of raw materials needed when preparing ionic liquids, and further widen the synthesized ionic liquid species.
Abstract translation: 本发明涉及离子液体的制备方法，特别涉及用于合成季铵化合物或季鏻化合物的一步反应方法。 在该方法中，同时向反应器中加入含氮或磷化合物，质子化合物和碳酸酯，以通过所述一步反应合成对应的季铵离子液体或季鏻离子液体，即“ 锅法“反应，其中涉及三种反应物。 本发明还提供一种锂离子二次电池，其包含通过上述制备方法制备的离子液体。 本发明的离子液体制备方法可以拓宽制备离子液体所需的原料的选择范围，进一步拓宽合成的离子液体种类。
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公开(公告)号：US20150166587A1
公开(公告)日：2015-06-18
申请号：US14565250
申请日：2014-12-09
Applicant: Microvast Power Systems Co.,Ltd.
Inventor： Zhuoqun Zheng
IPC: C07F9/54 , H01M10/0525 , H01M10/0566 , C07C303/40 , C07C51/41
CPC classification number: C07F9/5407 , C07F9/5442 , C07F9/65688 , H01M10/0525 , H01M10/0566 , H01M2300/0025 , Y02E60/122
Abstract: A two-step pathway for preparing high pure quaternary phosphonium salts is disclosed. In the first step, hydrogen phosphide (PH3) or a higher phophine reacts with a protonic compound to produce a phosphonium salt, which then reacts with a carbonic acid diester to produce a quaternary phosphonium salt in the second step. On one hand, hydrogen phosphide (PH3) and higher phophines, including primary phosphines, secondary phosphines, and tertiary phosphines, after neutralization with protonic compound, become sufficiently reactive and can be alkylated by carbonic acid diester to form quaternary phosphonium cations. On the other hand, as an anion-exchange procedure is completely avoided, the process not only gives quaternary phosphonium salts of high purity, but also gives people freedom to design the cation and the anion of a quaternary phosphonium salt synchronously by choosing a preferred phosphine and a protonic compound that can supply a desired anion.
Abstract translation: 公开了制备高纯度季鏻盐的两步途径。 在第一步中，磷化氢（PH3）或较高的磷光与质子化合物反应产生鏻盐，然后在第二步中与磷酸二酯反应产生季鏻盐。 一方面，在用质子化合物中和后，磷化氢（PH3）和高级磷，包括伯膦，仲膦和叔膦，变得足够的反应性，可以通过碳酸二酯烷基化形成季鏻阳离子。 另一方面，由于完全避免了阴离子交换过程，因此该方法不仅可以提供高纯度的季鏻盐，而且可以让人们通过选择优选的膦来同时自由地设计季鏻盐的阳离子和阴离子 以及可以提供所需阴离子的质子化合物。
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公开(公告)号：US10763539B2
公开(公告)日：2020-09-01
申请号：US16041694
申请日：2018-07-20
Applicant: Microvast Power Systems Co., Ltd.
Inventor： Zhangbo Liu , Xingzhi Mei , Jinjie Chen , Yi Fang , Zhuoqun Zheng , Yuehui Yin , Wenjuan Liu Mattis
IPC: H01M10/0525 , H01M10/058 , H01M4/36 , H01M4/13 , H01M2/16
Abstract: A method for preparing an inorganic solid electrolyte composite slurry includes: mixing an inorganic solid electrolyte powder with a first solvent and wet grinding an obtained mixture to form a preparatory slurry A; mixing a binder with a second solvent to form a preparatory slurry B; mixing the preparatory slurry A with the preparatory slurry B to obtain the inorganic solid electrolyte composite slurry. The inorganic solid electrolyte composite slurry prepared by the present disclosure effectively solves the problem that it is difficult to reduce the inorganic solid electrolyte powder particle size in the preparation process, or it is difficult to fully dry the inorganic solid electrolyte powder after sand milling. The present disclosure further provides an inorganic solid electrolyte composite slurry prepared by the method, an application of the inorganic solid electrolyte composite slurry, and a lithium-ion battery having the inorganic solid electrolyte composite slurry.
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公开(公告)号：US10319996B2
公开(公告)日：2019-06-11
申请号：US14815944
申请日：2015-07-31
Applicant: Microvast Power Systems Co., LTD.
Inventor： Zhuoqun Zheng , Jian Qiu , Xiaozhen Zhao , Yunhua Nie
Abstract: The present invention discloses a cathode material for lithium ion secondary battery. The cathode material is in the form of powder particles. The powder particle includes a bulk portion and a coating portion coated on the outer surface of the bulk portion. The bulk portion is formed of at least one first cathode material which is a lithium-nickel based composite oxide. The first cathode material has electrochemical activity and has high charging-discharging specific capacity at a charged voltage of 4.2V versus Li/Li+. The coating portion is formed of at least one second cathode material. The second cathode material has no electrochemical activity or has low charging-discharging specific capacity at a charged voltage of 4.2V versus Li/Li+. Lithium ion secondary battery using the cathode material has high energy density, cycling stability, security, and output power.
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公开(公告)号：US09365596B2
公开(公告)日：2016-06-14
申请号：US14565250
申请日：2014-12-09
Applicant: Microvast Power Systems Co.,Ltd.
Inventor： Zhuoqun Zheng , Dawei Shen , Yunhua Nie , Jian Qiu , Yumei Zhang
IPC: C07F9/54 , C07F9/6568 , H01M10/0566 , H01M10/0525
CPC classification number: C07F9/5407 , C07F9/5442 , C07F9/65688 , H01M10/0525 , H01M10/0566 , H01M2300/0025 , Y02E60/122
Abstract: A two-step pathway for preparing high pure quaternary phosphonium salts is disclosed. In the first step, hydrogen phosphide (PH3) or a higher phosphine reacts with a protonic compound to produce a phosphonium salt, which then reacts with a carbonic acid diester to produce a quaternary phosphonium salt in the second step. On one hand, hydrogen phosphide (PH3) and higher phosphines, including primary phosphines, secondary phosphines, and tertiary phosphines, after neutralization with protonic compound, become sufficiently reactive and can be alkylated by carbonic acid diester to form quaternary phosphonium cations. On the other hand, as an anion-exchange procedure is completely avoided, the process not only gives quaternary phosphonium salts of high purity, but also gives people freedom to design the cation and the anion of a quaternary phosphonium salt synchronously by choosing a preferred phosphine and a protonic compound that can supply a desired anion.
Abstract translation: 公开了制备高纯度季鏻盐的两步途径。 在第一步中，磷化氢（PH3）或高级膦与质子化合物反应产生鏻盐，然后在第二步中与铯盐与碳酸二酯反应生成季鏻盐。 一方面，在用质子化合物中和之后，磷化氢（PH 3）和高级膦（包括伯膦，次膦和叔膦）变得足够的反应性，并且可以被碳酸二酯烷基化以形成季鏻阳离子。 另一方面，由于完全避免了阴离子交换过程，因此该方法不仅可以提供高纯度的季鏻盐，而且可以让人们通过选择优选的膦来同时自由地设计季鏻盐的阳离子和阴离子 以及可以提供所需阴离子的质子化合物。
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