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1.发明授权公开(公告)号：US11177502B2
公开(公告)日：2021-11-16
申请号：US16249687
申请日：2019-01-16
Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
Inventor： Ho Sung Kim , Tae Won Kim , Duck Rye Chang , Jong Ho Lee , Kyeong Wan Kim , Min Young Kim
IPC: H01M10/0562 , H01M10/0525 , C04B35/486 , C04B35/626 , C04B35/50 , C04B35/64
Abstract: The method for manufacturing a solid electrolyte using an LLZ material for a lithium-ion battery comprises the steps of: providing a starting material in which lanthanum nitrate [La(NO3)3.6H2O] and zirconium nitrate [ZrO(NO3)2.6H2O] are mixed at a mole ratio of 3:2; forming an aqueous solution by dissolving the starting material; forming a precipitate by putting ammonia, which is a complex agent, and sodium hydroxide, which adjusts the pH of a reactor, into the aqueous solution, mixing the same, and then co-precipitating the mixture; forming a primary precursor powder by cleaning, drying and pulverizing the precipitate; forming a secondary precursor powder by mixing lithium powder [LiOH.H2O] with the primary precursor powder and ball-milling the mixture so as to solidify the lithium; and forming a solid electrolyte powder by heat-treating the secondary precursor powder.
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公开(公告)号：US10886560B2
公开(公告)日：2021-01-05
申请号：US16072571
申请日：2016-11-15
Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
Inventor： Ho Sung Kim , Min-Young Kim , Seung Hoon Yang , Da-Hye Kim , Kyeong Joon Kim , Seung Woo Choi , Jinsub Lim , Duck Rye Chang
IPC: H01M10/0562 , H01M10/052 , H01M4/62 , H01M10/058 , H01M4/505 , H01M4/525
Abstract: The present invention relates to an all-solid-state lithium secondary battery and a method of manufacturing the same. The all-solid-state lithium secondary battery includes a cathode, an anode, and a composite solid electrolyte layer between the cathode and the anode, wherein first and second LLZOs contained respectively in the cathode and the composite solid electrolyte layer are each independently aluminum-doped or undoped LLZO, and the battery of the invention can exhibit improved discharge capacity and cycle characteristics because both the cathode and the composite solid electrolyte layer contain a conductive polymer, a lithium salt and an inorganic ceramic solid electrolyte. The method of the invention enables the all-solid-state lithium secondary battery to be manufactured in a non-sintering manner, thus reducing manufacturing costs and controlling interfacial reactions between active materials, between solid electrolyte particles, and between an electrolyte and an electrode, thereby further reducing the internal resistance of the battery.
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Patent Agency Ranking
3.发明授权公开(公告)号：US09478993B2
公开(公告)日：2016-10-25
申请号：US14353279
申请日：2012-10-19
Applicant: Korea Institute of Industrial Technology
Inventor： Ho Sung Kim , Ju Hee Kang , Ik Hyun Oh , Seong Jae Boo , Duck Rye Chang , Tae Won Kim , Sung Hee Park , Kyeong Wan Kim
CPC classification number: H02J7/00 , C01D15/02 , H01M4/0402 , H01M4/505 , H01M4/525 , H01M10/052 , Y02E60/122 , Y02P70/54 , Y02T10/7011
Abstract: The present invention relates to the manufacture of a high capacity electrode by synthesizing an excellent Li2MnO3-based composite material Li(LixNiyCozMnwO2) to improve the characteristics of an inactive Li2MnO3 material with a specific capacity of about 460 mAh/g. Here, a manufacturing method of a cathode material for a lithium secondary battery uses a Li2MnO3-based composite material Li(LixNiyCozMnwO2) by reacting a starting material wherein a nickel nitrate solution, a manganese nitrate solution and a cobalt nitrate solution are mixed, with a complex agent by co-precipitation.
Abstract translation: 本发明涉及通过合成优异的Li 2 MnO 3基复合材料Li（Li x Ni y Co z Mn n O 2 O 2）来制造高容量电极，以改善比电容为约460mAh / g的无活性Li 2 MnO 3材料的特性。 这里，锂二次电池用正极材料的制造方法使用混合有硝酸镍溶液，硝酸锰溶液和硝酸钴溶液的原料与Li2MnO3系复合材料Li（Li x Ni y Co z Mn n O 2 O 2） 复合剂通过共沉淀。
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4.发明申请METHOD FOR PRODUCING ANODIC COMPOSITE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR PRODUCING ELECTRODE USING SAME, AND METHOD FOR CHARGING AND DISCHARGING ELECTRODE 有权用于生产锂二次电池的阳极复合材料的方法，使用其制造电极的方法，以及用于充电和放电的方法公开(公告)号：US20150380720A1
公开(公告)日：2015-12-31
申请号：US14766874
申请日：2013-08-20
Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
Inventor： Ho Sung Kim , Sun Woo Yang , Kyeong Wan Kim , Chae Hwan Jeong , Tae Won Kim , Duck Rye Chang , Min Young Kim
CPC classification number: H01M4/0471 , C01G53/50 , C01P2002/72 , C01P2006/40 , H01M2/1653 , H01M4/0404 , H01M4/0435 , H01M4/131 , H01M4/1391 , H01M4/382 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/0427 , H01M10/052 , H01M10/44 , H01M2004/027 , Y02T10/7011
Abstract: This disclosure synthesizes an anodic composite material Li(LixNiyCozMnwO2+α) of Li2MnO3 series whose theoretical capacity is a level of about 460 mAh/g, and to produce an electrode of a high capacity using the synthesized anodic composite material. Also provided is a method for charging and discharging the electrode. Here, the method for producing an anodic composite material for a lithium secondary battery includes the steps of: mixing a nickel nitrate solution, a manganese nitrate solution, and a cobalt nitrate solution to produce a starting material solution; and mixing the starting material solution with a complexing agent so as to produce an anodic composite material Li(LixNiyCozMnwO2+α) of Li2MnO3 series by means of coprecipitation.
Abstract translation: 本公开内容合成了理论容量为约460mAh / g的Li2MnO3系列的阳极复合材料Li（LixNiyCozMnwO2 +α），并使用合成的阳极复合材料制造高容量的电极。 还提供了一种用于充电和放电电极的方法。 这里，用于制造锂二次电池用阳极复合材料的方法包括以下步骤：将硝酸镍溶液，硝酸锰溶液和硝酸钴溶液混合以制备原料溶液; 并将原料溶液与络合剂混合，通过共沉淀法制备Li2MnO3系列的阳极复合材料Li（Li x Ni y Co z Mn O 2 +α）。
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公开(公告)号：US10020488B2
公开(公告)日：2018-07-10
申请号：US14766874
申请日：2013-08-20
Applicant: Korea Institute of Industrial Technology
Inventor： Ho Sung Kim , Sun Woo Yang , Kyeong Wan Kim , Chae Hwan Jeong , Tae Won Kim , Duck Rye Chang , Min Young Kim
IPC: H02J7/00 , H01M4/04 , H01M4/505 , H01M4/525 , H01M4/1391 , H01M10/052 , C01G53/00 , H01M4/131 , H01M4/485 , H01M10/44 , H01M4/38 , H01M10/04 , H01M4/02 , H01M2/16
CPC classification number: H01M4/0471 , C01G53/50 , C01P2002/72 , C01P2006/40 , H01M2/1653 , H01M4/0404 , H01M4/0435 , H01M4/131 , H01M4/1391 , H01M4/382 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/0427 , H01M10/052 , H01M10/44 , H01M2004/027 , Y02T10/7011
Abstract: This disclosure synthesizes an anodic composite material Li(LixNiyCozMnwO2+α) of Li2MnO3 series whose theoretical capacity is a level of about 460 mAh/g, and to produce an electrode of a high capacity using the synthesized anodic composite material. Also provided is a method for charging and discharging the electrode. Here, the method for producing an anodic composite material for a lithium secondary battery includes the steps of: mixing a nickel nitrate solution, a manganese nitrate solution, and a cobalt nitrate solution to produce a starting material solution; and mixing the starting material solution with a complexing agent so as to produce an anodic composite material Li(LixNiyCozMnwO2+α) of Li2MnO3 series by means of coprecipitation.
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6.发明申请SOLID ELECTROLYTE FOR ALL SOLID-STATE LITHIUM-ION BATTERY AND MANUFACTURING METHOD THEREFOR 审中-公开用于所有固态锂离子电池的固体电解质及其制造方法公开(公告)号：US20160380304A1
公开(公告)日：2016-12-29
申请号：US14902488
申请日：2014-06-27
Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
Inventor： Ho Sung Kim , Tae Won Kim , Duck Rye Chang , Jong Ho Lee , Kyeong Wan Kim , Min Young Kim
IPC: H01M10/0562 , C04B35/64 , C04B35/626 , H01M10/0525 , C04B35/50
CPC classification number: H01M10/0562 , C04B35/486 , C04B35/50 , C04B35/6261 , C04B35/6264 , C04B35/62645 , C04B35/64 , C04B2235/3203 , C04B2235/3227 , C04B2235/3248 , C04B2235/6567 , C04B2235/761 , C04B2235/762 , C04B2235/764 , C04B2235/765 , C04B2235/80 , H01M10/0525 , H01M2300/0077 , Y02T10/7011
Abstract: The method for manufacturing a solid electrolyte using an LLZ material for a lithium-ion battery comprises the steps of: providing a starting material in which lanthanum nitrate [La(NO3)3.6H2O] and zirconium nitrate [ZrO(NO3)2.6H2O] are mixed at a mole ratio of 3:2; forming an aqueous solution by dissolving the starting material; forming a precipitate by putting ammonia, which is a complex agent, and sodium hydroxide, which adjusts the pH of a reactor, into the aqueous solution, mixing the same, and then co-precipitating the mixture; forming a primary precursor powder by cleaning, drying and pulverizing the precipitate; forming a secondary precursor powder by mixing lithium powder [LiOH.H2O] with the primary precursor powder and ball-milling the mixture so as to solidify the lithium; and forming a solid electrolyte powder by heat-treating the secondary precursor powder.
Abstract translation: 使用锂离子电池用LLZ材料制造固体电解质的方法包括以下步骤：提供硝酸镧[La（NO 3）3·6H 2 O]和硝酸锆[ZrO（NO 3）2·6H 2 O]为原料的原料 以3：2的摩尔比混合; 通过溶解原料形成水溶液; 通过将作为复合剂的氨和将反应器的pH调节的氢氧化钠加入到水溶液中，使其混合，然后使该混合物共沉淀而形成沉淀物; 通过清洗，干燥和粉碎沉淀物形成初级前体粉末; 通过将锂粉末[LiOH·H 2 O]与初级前体粉末混合并对混合物进行球磨以使锂固化，形成二次前体粉末; 并通过热处理二次前体粉末形成固体电解质粉末。
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7.发明申请公开(公告)号：US20140306664A1
公开(公告)日：2014-10-16
申请号：US14353279
申请日：2012-10-19
Applicant: Korea Institute of Industrial Technology
Inventor： Ho Sung Kim , Ju Hee Kang , Ik Hyun Oh , Seong Jae Boo , Duck Rye Chang , Tae Won Kim , Sung Hee Park , Kyeong Wan Kim
CPC classification number: H02J7/00 , C01D15/02 , H01M4/0402 , H01M4/505 , H01M4/525 , H01M10/052 , Y02E60/122 , Y02P70/54 , Y02T10/7011
Abstract: The present invention relates to the manufacture of a high capacity electrode by synthesizing an excellent Li2MnO3-based composite material Li(LixNiyCozMnwO2) to improve the characteristics of an inactive Li2MnO3 material with a specific capacity of about 460 mAh/g. Here, a manufacturing method of a cathode material for a lithium secondary battery uses a Li2MnO3-based composite material Li(LixNiyCozMnwO2) by reacting a starting material wherein a nickel nitrate solution, a manganese nitrate solution and a cobalt nitrate solution are mixed, with a complex agent by co-precipitation.
Abstract translation: 本发明涉及通过合成优异的Li 2 MnO 3基复合材料Li（Li x Ni y Co z Mn n O 2 O 2）来制造高容量电极，以改善比电容为约460mAh / g的无活性Li 2 MnO 3材料的特性。 这里，锂二次电池用正极材料的制造方法使用混合有硝酸镍溶液，硝酸锰溶液和硝酸钴溶液的原料与Li2MnO3系复合材料Li（Li x Ni y Co z Mn n O 2 O 2） 复合剂通过共沉淀。
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