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公开(公告)号：US10367226B2
公开(公告)日：2019-07-30
申请号：US15102816
申请日：2013-12-10
发明人： Jeong Soo Kim , Young Shol Kim , Je Hyun Chae , Won Sang Koh , June Soo Lee
IPC分类号： H01M10/054 , H01M10/0562 , H01M4/134 , H01M4/136 , H01M4/38 , H01M4/40 , H01M4/58 , H01M4/66 , H01M4/80 , H01M10/39 , H01M4/02
摘要： Provided is a Na based secondary battery including: an anode containing sodium or a sodium alloy; a cathode containing a metal halide, which is a halide of at least one metal selected from a group consisting of alkali metals, transition metals, and Groups 12 to 14 metals, and a solvent dissolving the metal halide; and a sodium ion conductive solid electrolyte separating the cathode and the anode from each other.
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公开(公告)号：US09608274B2
公开(公告)日：2017-03-28
申请号：US14309183
申请日：2014-06-19
发明人： Young Shol Kim , Ku Bong Chung , Jeong Soo Kim
IPC分类号： H01M4/66 , H01M4/70 , H01M10/04 , H01M10/054 , H01M10/0568 , H01M4/131 , H01M4/02
CPC分类号： H01M4/663 , H01M4/131 , H01M4/70 , H01M10/0422 , H01M10/054 , H01M10/0568 , H01M2004/021
摘要： Provided is a sodium secondary battery including a graphite felt having a maximum porosity on a surface facing a solid electrolyte and a decreased porosity in a thickness direction, as a cathode current collector impregnated with an electrolyte.
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公开(公告)号：US20160164095A1
公开(公告)日：2016-06-09
申请号：US14904237
申请日：2013-08-16
发明人： Jeong Soo Kim , Young Shol Kim , Je Hyun Chae , Hee Young Sun , Kyu Tae Lee , Seung Hee Woo , Kwang Ho Ha
IPC分类号： H01M4/58 , H01M10/054
CPC分类号： H01B1/06 , C01B25/42 , H01M4/5825 , H01M10/054
摘要： Provided is a cathode active material for a secondary battery, specifically, a cathode active material for a secondary battery including sodium transition metal pyrophosphate satisfying Na3.12−x2Acx1M1ay1M2by2 (P2O7) z, which has an advantage of structural stability due to a strong P—O bond of sodium transition metal phosphate having an olivine structure, and also performs proper intercalation and deintercalation of Na ions having a large ion radius, thereby significantly improving reversibility during charging and discharging, and a charge and discharge rate.
摘要翻译： 本发明提供一种二次电池用正极活性物质，具体地说，涉及一种包含钠过渡金属焦磷酸钠，满足Na3.12-x2Acx1M1ay1M2by2（P2O7）z的二次电池用正极活性物质，其特征在于具有结构稳定性优良， 具有橄榄石结构的过渡金属磷酸钠的O键，并且还对离子半径大的Na离子进行适当的插入和脱嵌，从而显着提高充放电期间的可逆性以及充放电率。
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公开(公告)号：US10218034B2
公开(公告)日：2019-02-26
申请号：US14923020
申请日：2015-10-26
发明人： Seung Ok Lee , Won Sang Koh , Jeong Soo Kim , Dai In Park , Je Hyun Chae , Nam Soon Choi , Jun Yeong Jang
IPC分类号： H01M10/39 , H01M10/054 , H01M10/0567 , H01M4/38
摘要： Provided are an electrolyte for a sodium secondary battery and a sodium secondary battery using the same. More particularly, the sodium secondary battery includes an anode containing sodium, a cathode containing a transition metal, and a sodium ion conductive solid electrolyte provided between the anode and the cathode, wherein the cathode is impregnated in an electrolyte containing a molten sodium salt and an electrolyte additive, the electrolyte additive including an inorganic sodium salt.
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公开(公告)号：US09755270B2
公开(公告)日：2017-09-05
申请号：US14526977
申请日：2014-10-29
发明人： Young Shol Kim , Ku Bong Chung , Jeong Soo Kim , Seung Hwan Jo
CPC分类号： H01M10/054 , H01M4/582 , H01M4/663 , H01M4/806 , H01M10/39
摘要： Provided is a sodium secondary battery including: a sodium ion conductive solid electrolyte separating an anode space and a cathode space from each other; an anode positioned in the anode space and containing sodium; a cathode solution positioned in the cathode space; and a cathode immersed in the cathode solution and including graphite felt formed with open pore channel of which an opening part is formed on a surface of the graphite felt facing the solid electrolyte.
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公开(公告)号：US09553337B2
公开(公告)日：2017-01-24
申请号：US14555852
申请日：2014-11-28
发明人： Je Hyun Chae , Won Sang Koh , Seung Ok Lee , Dai In Park , Jeong Soo Kim , Sai Bhavaraju , Mathew Richard Robins , Alexis L. Eccleston , Ashok V. Joshi
CPC分类号： H01M10/399 , H01M4/381 , H01M2300/0054
摘要： Provided is a sodium secondary battery capable of operating at a low temperature. More particularly, the sodium secondary battery according to the present invention includes: an anode containing sodium; a cathode containing a transition metal and an alkali metal halide; and a sodium ion conductive solid electrolyte provided between the anode and the cathode, wherein the cathode is impregnated in a molten salt electrolyte containing a sodium.metal halogen salt including at least two kinds of halogens.
摘要翻译： 提供能够在低温下操作的钠二次电池。 更具体地，根据本发明的钠二次电池包括：含钠的阳极; 含有过渡金属和碱金属卤化物的阴极; 以及设置在阳极和阴极之间的钠离子传导性固体电解质，其中阴极浸渍在包含至少两种卤素的钠金属卤素盐的熔融盐电解质中。
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7.发明申请Electrolyte for Sodium Secondary Battery and Sodium Secondary Battery Using the Same 审中-公开钠二次电池用电解液和钠二次电池公开(公告)号：US20160240890A1
公开(公告)日：2016-08-18
申请号：US15041323
申请日：2016-02-11
发明人： Dai In Park , Seung Ok Lee , Jeong Soo Kim , Hyung Keun Lee
IPC分类号： H01M10/39
CPC分类号： H01M10/399 , H01M10/39 , H01M2300/002 , H01M2300/0048
摘要： Provided are an electrolyte for a sodium secondary battery, and a sodium secondary battery using the same, and the sodium secondary battery using the electrolyte for a sodium secondary battery according to the present invention may have an excellent cycle characteristic, charge-discharge capacity, and stability, thereby making it possible to be operated without deterioration at a low temperature for a long time.
摘要翻译： 提供了一种钠二次电池用电解液和使用该二次电池的钠二次电池，使用本发明的钠二次电池用电解质的钠二次电池可以具有良好的循环特性，充放电能力， 稳定性，从而可以在低温下长期运行而不劣化。
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公开(公告)号：US20140377637A1
公开(公告)日：2014-12-25
申请号：US14309183
申请日：2014-06-19
发明人： Young Shol Kim , Ku Bong Chung , Jeong Soo Kim
IPC分类号： H01M4/66 , H01M4/70 , H01M10/0568 , H01M10/054 , H01M10/04
CPC分类号： H01M4/663 , H01M4/131 , H01M4/70 , H01M10/0422 , H01M10/054 , H01M10/0568 , H01M2004/021
摘要： Provided is a sodium secondary battery including a graphite felt having a maximum porosity on a surface facing a solid electrolyte and a decreased porosity in a thickness direction, as a cathode current collector impregnated with an electrolyte.
摘要翻译： 本发明提供一种钠二次电池，其包括在浸渍有电解液的阴极集电体上，在面向固体电解质的表面上具有最大孔隙率的石墨毡和厚度方向的孔隙率降低。
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公开(公告)号：US10256510B2
公开(公告)日：2019-04-09
申请号：US15041323
申请日：2016-02-11
发明人： Dai In Park , Seung Ok Lee , Jeong Soo Kim , Hyung Keun Lee
IPC分类号： H01M10/39
摘要： Provided are an electrolyte for a sodium secondary battery, and a sodium secondary battery using the same, and the sodium secondary battery using the electrolyte for a sodium secondary battery according to the present invention may have an excellent cycle characteristic, charge-discharge capacity, and stability, thereby making it possible to be operated without deterioration at a low temperature for a long time.
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公开(公告)号：US10026520B2
公开(公告)日：2018-07-17
申请号：US14904237
申请日：2013-08-16
发明人： Jeong Soo Kim , Young Shol Kim , Je Hyun Chae , Hee Young Sun , Kyu Tae Lee , Seung Hee Woo , Kwang Ho Ha
IPC分类号： H01B1/06 , C01B25/42 , H01M4/58 , H01M10/054
摘要： Provided is a cathode active material for a secondary battery, specifically, a cathode active material for a secondary battery including sodium transition metal pyrophosphate satisfying Na3.12−x2Acx1M1ay1M2by2 (P2O7)z, which has an advantage of structural stability due to a strong P—O bond of sodium transition metal phosphate having an olivine structure, and also performs proper intercalation and deintercalation of Na ions having a large ion radius, thereby significantly improving reversibility during charging and discharging, and a charge and discharge rate.
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