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1. 发明申请

US20220393147A1 Non-Aqueous Lithium Power Storage Element 有权
公开(公告)号：US20220393147A1
公开(公告)日：2022-12-08
申请号：US17760802
申请日：2020-10-02
申请人： Asahi Kasei Kabushiki Kaisha
发明人： Kazuaki Takada , Kazuteru Umetsu , Fumiya Nakamura , Yusuke Yamahata , Yuima Kimura , Tadashi Matsushita
IPC分类号： H01M4/133 , H01M10/052 , H01M4/134 , H01M4/38 , H01M4/505 , H01M4/525
摘要： A non-aqueous lithium power storage element that includes a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte, the positive electrode having a positive electrode collector and a positive electrode active material layer that includes active carbon, and the non-aqueous lithium power storage element having configuration (1) and/or (2). (1) The negative electrode includes a negative electrode collector and a negative electrode active material layer (2) The non-aqueous electrolyte contains (A) LiPF6 and/or LiBF4, (B) an imide lithium salt, and (C) an oxalate-complex lithium salt, the ratio of the mass of component (C) to the total mass of components (A) and (B) being 1.0-10.0 mass %.

2. 发明申请

US20190237766A1 Nonaqueous Lithium-Type Power Storage Element 审中-公开
公开(公告)号：US20190237766A1
公开(公告)日：2019-08-01
申请号：US16377407
申请日：2019-04-08
申请人： Asahi Kasei Kabushiki Kaisha
发明人： Kazuteru Umetsu , Yuichiro Hirakawa , Yuima Kimura , Hitoshi Morita , Nobuhiro Okada
IPC分类号： H01M4/62 , H01M10/0567 , H01G11/62 , H01M10/0525 , H01M4/66 , H01M4/587 , H01M10/052 , H01M4/1393 , H01G11/64 , H01G11/30 , H01G11/24 , H01G11/06 , H01M10/0569 , H01M10/0585 , H01G11/28 , H01G11/32 , H01G11/50 , H01G11/52 , H01G11/60 , H01M10/0568
摘要： Provided is a nonaqueous lithium-type power storage element in which a lithium compound is included in positive electrode, wherein energy loss due to voltage decrease under high temperatures and high voltages is reduced, and the high-load charge and discharge cycle characteristics are exceptional.

3. 发明申请

US20180269486A1 Nonaqueous Lithium-Type Power Storage Element 审中-公开
公开(公告)号：US20180269486A1
公开(公告)日：2018-09-20
申请号：US15761084
申请日：2017-01-20
申请人： Asahi Kasei Kabushiki Kaisha
发明人： Kazuteru Umetsu , Yuichiro Hirakawa , Yuima Kimura , Hitoshi Morita , Nobuhiro Okada
IPC分类号： H01M4/62 , H01G11/06 , H01G11/62 , H01G11/52 , H01G11/28 , H01G11/60 , H01G11/32 , H01G11/50 , H01M10/0525 , H01M10/0569 , H01M10/0568 , H01M4/587 , H01M4/1393 , H01M4/66
CPC分类号： H01M4/628 , H01G11/06 , H01G11/28 , H01G11/30 , H01G11/32 , H01G11/50 , H01G11/52 , H01G11/60 , H01G11/62 , H01G11/64 , H01M4/0404 , H01M4/133 , H01M4/1393 , H01M4/364 , H01M4/5825 , H01M4/587 , H01M4/661 , H01M10/0525 , H01M10/0566 , H01M10/0568 , H01M10/0569 , H01M10/0585 , H01M10/44 , H01M2004/021 , H01M2004/028 , H01M2300/0037 , Y02E60/122 , Y02E60/13 , Y02T10/7011
摘要： Provided is a nonaqueous lithium-type power storage element in which a lithium compound is included in positive electrode, wherein energy loss due to voltage decrease under high temperatures and high voltages is reduced, and the high-load charge and discharge cycle characteristics are exceptional.

4. 发明申请

US20170207459A1 Nonaqueous Lithium-Type Power Storage Element 审中-公开
公开(公告)号：US20170207459A1
公开(公告)日：2017-07-20
申请号：US15324419
申请日：2015-07-08
申请人： Asahi Kasei Kabushiki Kaisha
发明人： Nobuhiro Okada , Yuima Kimura , Yusuke Yamahata , Osamu Saito , Kensuke Niimura , Hidefumi Takami
IPC分类号： H01M4/587 , H01G11/24 , H01G11/32 , H01G11/50 , H01M10/0568 , H01G11/62 , H01G11/52 , H01M10/0525 , H01M10/0569 , H01G11/06 , H01G11/60
摘要： A non-aqueous lithium-type power storage element obtained by a non-aqueous liquid electrolyte and an electrode laminate having a negative electrode body, a positive electrode body, and a separator being accommodated in an exterior body, wherein: the negative electrode body includes a negative electrode current collector and a negative electrode active material including a carbon material capable of occluding and releasing lithium ions.

5. 发明授权

US12087507B2 Current separation method, doping method, and doping apparatus of nonaqueous lithium power storage element 有权
公开(公告)号：US12087507B2
公开(公告)日：2024-09-10
申请号：US18011426
申请日：2022-05-30
申请人： Asahi Kasei Kabushiki Kaisha
发明人： Koichi Hiraoka , Yuima Kimura , Ryusuke Okoshi , Yuji Asano , Sumire Jinno , Ryosuke Baba
IPC分类号： H01G11/84 , G01R27/26 , H01G11/06 , H01G11/34 , H01G11/50 , H01G11/52 , H01M4/38 , H01M10/052 , H01M10/0525
CPC分类号： H01G11/84 , G01R27/2605 , H01G11/06 , H01G11/34 , H01G11/50 , H01G11/52 , H01M4/382 , H01M10/052 , H01M10/0525
摘要： An object of the present disclosure is to provide a doping method in which the status of the progress of a main reaction can be estimated in the lithium carbonate decomposition-type doping step of a nonaqueous lithium power storage element. The separation method, the doping method, and the doping apparatus according to the present disclosure include calculating a capacitor current density iC and an electrode reaction current density iR based on voltage and current of a cell that are measured during doping of the cell.

6. 发明授权

US11824203B2 Non-aqueous lithium-type electricity storage element 有权
公开(公告)号：US11824203B2
公开(公告)日：2023-11-21
申请号：US16646213
申请日：2018-11-13
申请人： Asahi Kasei Kabushiki Kaisha
发明人： Yuima Kimura , Kazuteru Umetsu , Yuichiro Hirakawa , Hitoshi Morita , Nobuhiro Okada
IPC分类号： H01M4/66 , H01M4/131 , H01M4/36 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M10/0567 , H01M50/46 , H01M4/02
CPC分类号： H01M4/663 , H01M4/131 , H01M4/366 , H01M4/505 , H01M4/525 , H01M4/661 , H01M10/0525 , H01M10/0567 , H01M50/46 , H01M2004/021 , H01M2004/027 , H01M2004/028 , H01M2220/20
摘要： Provided is a non-aqueous lithium-type electricity storage element which includes a positive electrode current collector having a positive electrode active material layer disposed thereon, wherein, in a solid-state 7Li-NMR spectrum of the positive electrode active material layer, a signal area ratio a/b, which is the ratio of a signal area ratio of component A having a signal at least at −2 to 2.5 ppm to a signal area of component B having a signal at −6 to −2.5 ppm is 1.5 to 20.0.

7. 发明授权

US10002718B2 Lithium ion capacitor 有权
公开(公告)号：US10002718B2
公开(公告)日：2018-06-19
申请号：US15037100
申请日：2014-11-28
申请人： Asahi Kasei Kabushiki Kaisha
发明人： Takeshi Kamijo , Nobuhiro Okada , Yuima Kimura
IPC分类号： H01G11/34 , H01G11/06 , H01G11/24 , H01G11/26 , H01G11/42 , H01G11/50 , H01G11/62 , H01G11/66
CPC分类号： H01G11/34 , H01G11/06 , H01G11/24 , H01G11/26 , H01G11/42 , H01G11/50 , H01G11/62 , H01G11/66 , Y02E60/13 , Y02T10/7022
摘要： This lithium ion capacitor results from housing an electrode laminate body, which comprises a positive electrode, a negative electrode, and a separator, and a non-aqueous electrolyte, which contains a lithium-ion-containing electrolyte, in an external body, wherein the negative electrode has a negative electrode current collector and a negative electrode active material layer containing a negative electrode active material that can occlude and release lithium ions on one or both surfaces of the negative electrode current collector, and the following (i) to (iii) are all satisfied: (i) the negative electrode active material is a carbon composite material containing carbon black and a carbonaceous material; (ii) the negative electrode is doped with lithium ion at between 1,050 mAh/g and 2,500 mAh/g, inclusive, per unit mass of the negative electrode active material; and (iii) the thickness of the negative electrode active material layer is between 10 μm and 60 μm, inclusive, per side.

8. 发明申请

US20160300666A1 Lithium Ion Capacitor 有权
标题翻译：锂离子电容器
公开(公告)号：US20160300666A1
公开(公告)日：2016-10-13
申请号：US15037100
申请日：2014-11-28
申请人： ASAHI KASEI KABUSHIKI KAISHA
发明人： Takeshi Kamijo , Nobuhiro Okada , Yuima Kimura
IPC分类号： H01G11/34 , H01G11/24 , H01G11/66 , H01G11/26 , H01G11/42 , H01G11/06 , H01G11/62
CPC分类号： H01G11/34 , H01G11/06 , H01G11/24 , H01G11/26 , H01G11/42 , H01G11/50 , H01G11/62 , H01G11/66 , Y02E60/13 , Y02T10/7022
摘要： This lithium ion capacitor results from housing an electrode laminate body, which comprises a positive electrode, a negative electrode, and a separator, and a non-aqueous electrolyte, which contains a lithium-ion-containing electrolyte, in an external body, wherein the negative electrode has a negative electrode current collector and a negative electrode active material layer containing a negative electrode active material that can occlude and release lithium ions on one or both surfaces of the negative electrode current collector, and the following (i) to (iii) are all satisfied: (i) the negative electrode active material is a carbon composite material containing carbon black and a carbonaceous material; (ii) the negative electrode is doped with lithium ion at between 1,050 mAh/g and 2,500 mAh/g, inclusive, per unit mass of the negative electrode active material; and (iii) the thickness of the negative electrode active material layer is between 10 μm and 60 μm, inclusive, per side.
摘要翻译：该锂离子电容器是在外部体内容纳包含正极，负极和隔膜的电极层叠体和含有锂离子的电解质的非水电解质，其中，负极具有负极集电体和负极活性物质层，负极活性物质层含有负极活性物质，该负极活性物质可以在负极集电体的一个或两个表面上封闭和释放锂离子，并且（i）〜（iii）都是满意的：（i）负极活性物质是含有碳黑和碳质材料的碳复合材料; （ii）每单位质量的负极活性物质，负极在1,050mAh / g至2,500mAh / g之间掺杂锂离子; 和（iii）负极活性物质层的厚度在每面10μm至60μm之间。

9. 发明授权

US12051782B2 Method for producing non-aqueous alkali metal electricity storage element 有权
公开(公告)号：US12051782B2
公开(公告)日：2024-07-30
申请号：US17439874
申请日：2020-03-23
申请人： Asahi Kasei Kabushiki Kaisha
发明人： Yuichiro Hirakawa , Koichi Hiraoka , Hitoshi Morita , Yuima Kimura , Kazuteru Umetsu
IPC分类号： H01M10/058 , H01M4/04 , H01M10/0525
CPC分类号： H01M10/058 , H01M4/04 , H01M4/0471 , H01M10/0525
摘要： Provided herein is a method for producing a non-aqueous alkali metal electricity storage element, comprising a voltage application step of applying a voltage to a non-aqueous alkali metal electricity storage element precursor comprising a positive electrode precursor, a negative electrode, a separator, and a non-aqueous electrolytic solution, housed in a casing, wherein a positive electrode active material layer of the positive electrode precursor comprises a positive electrode active material and an alkali metal compound other than the positive electrode active material.

10. 发明授权

US10748716B2 Nonaqueous lithium-type power storage element 有权
公开(公告)号：US10748716B2
公开(公告)日：2020-08-18
申请号：US16377407
申请日：2019-04-08
申请人： Asahi Kasei Kabushiki Kaisha
发明人： Kazuteru Umetsu , Yuichiro Hirakawa , Yuima Kimura , Hitoshi Morita , Nobuhiro Okada
IPC分类号： H01G11/84 , H01G11/06 , H01G11/30 , H01G11/64 , H01M10/0585 , H01M4/133 , H01M10/0566 , H01M10/44 , H01M4/36 , H01M4/58 , H01M4/1393 , H01G11/28 , H01G11/32 , H01G11/50 , H01G11/52 , H01G11/60 , H01G11/62 , H01M4/587 , H01M4/62 , H01M4/66 , H01M10/0525 , H01M10/0568 , H01M10/0569 , H01G11/24 , H01M10/052 , H01M10/0567 , H01M4/04 , H01M4/02
摘要： Provided is a nonaqueous lithium-type power storage element in which a lithium compound is included in positive electrode, wherein energy loss due to voltage decrease under high temperatures and high voltages is reduced, and the high-load charge and discharge cycle characteristics are exceptional.

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