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1. 发明授权

EP3392891B1 NONAQUEOUS LITHIUM STORAGE ELEMENT 有权转让
公开(公告)号：EP3392891B1
公开(公告)日：2020-01-08
申请号：EP17741563.5
申请日：2017-01-20
申请人： Asahi Kasei Kabushiki Kaisha
发明人： UMETSU, Kazuteru , KAMIJO, Takeshi , HIRAKAWA, Yuichiro , KUSUZAKA, Keita , OKADA, Nobuhiro , SUETOMI, Taku
IPC分类号： H01G11/06 , H01G11/24 , H01G11/28 , H01G11/64 , H01G11/84 , H01M4/1393 , H01M10/052 , H01M10/0567 , H01M10/0585 , H01G11/34 , H01G11/50 , H01G11/86 , H01M10/0525 , H01G11/26

2. 发明公开

EP3392891A1 NONAQUEOUS LITHIUM STORAGE ELEMENT 有权转让
公开(公告)号：EP3392891A1
公开(公告)日：2018-10-24
申请号：EP17741563.5
申请日：2017-01-20
申请人： Asahi Kasei Kabushiki Kaisha
发明人： UMETSU, Kazuteru , KAMIJO, Takeshi , HIRAKAWA, Yuichiro , KUSUZAKA, Keita , OKADA, Nobuhiro , SUETOMI, Taku
IPC分类号： H01G11/06 , H01G11/24 , H01G11/26 , H01G11/50 , H01G11/70 , H01M4/1393 , H01M10/052 , H01M10/0567 , H01M10/0585
摘要： A lithium storage element contains a positive electrode that contains a lithium compound other than an active material, a negative electrode, a separator, and a nonaqueous electrolytic solution containing lithium ions, for which an active material is applied on both surfaces of a nonporous positive electrode power collector, and a negative electrode active material capable of storing and releasing lithium ions is applied on both surfaces of a nonporous negative electrode power collector. The relationships 0.85 ≤ C x1 /C y1 ≤ 1.15, 0.85 ≤ A x1 /A y1 ≤ 1.15, 0.80 ≤ (A x1 + C x1 )/(A y1 + C y1 ) ≤ 1.20, 0.1 ≤ C x2 (g/m 2 ) ≤ 18, 0.1 ≤ C y2 (g/m 2 ) ≤ 18, 0.60 ≤ C y2 /C x2 ≤ 1.70, and 0.60 ≤ C x2 /C y2 ≤ 1.70 are satisfied, where C x1 is the basis weight of the positive electrode active material layer C x surface, C y1 is the basis weight of the other positive electrode active material layer C y surface, A y1 is the basis weight of the negative electrode active material layer A y surface facing opposite the C y surface, A x1 is the basis weight of the other negative electrode active material layer A x surface, C x2 is the lithium compound amount per area of the C x surface, and C y2 is the lithium compound amount per area of the C y surface.

3. 发明公开

EP3712915A1 NON-AQUEOUS LITHIUM-TYPE ELECTRICITY STORAGE ELEMENT 有权
公开(公告)号：EP3712915A1
公开(公告)日：2020-09-23
申请号：EP18879358.2
申请日：2018-11-13
申请人： ASAHI KASEI KABUSHIKI KAISHA
发明人： KIMURA, Yuima , UMETSU, Kazuteru , HIRAKAWA, Yuichiro , MORITA, Hitoshi , OKADA, Nobuhiro
IPC分类号： H01G11/06 , H01G11/24 , H01G11/26 , H01G11/30 , H01G11/46 , H01G11/54 , H01M4/13 , H01M4/133 , H01M4/36 , H01M4/38 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/58 , H01M4/587 , H01M4/62 , H01M4/64 , H01M10/052
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 7 Li-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.

4. 发明公开

EP3951937A1 METHOD FOR PRODUCING NONAQUEOUS ALKALI METAL ELECTRICITY STORAGE ELEMENT 审中-公开
公开(公告)号：EP3951937A1
公开(公告)日：2022-02-09
申请号：EP20784304.6
申请日：2020-03-23
申请人： Asahi Kasei Kabushiki Kaisha
发明人： HIRAKAWA, Yuichiro , HIRAOKA, Koichi , MORITA, Hitoshi , KIMURA, Yuima , UMETSU, Kazuteru
IPC分类号： H01M4/1393 , H01M4/62 , H01M4/64 , H01M4/66 , H01G11/06 , H01G11/50 , H01G11/68 , H01G11/70 , H01G11/84 , H01G11/86 , H01M10/052 , H01M10/0566 , H01M10/058
摘要： Provided 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, wherein comprising (1) pressurizing the precursor from outside thereof before the voltage application step or during the voltage application step, (2) heating the precursor before the voltage application step or during the voltage application step, (3) carrying out constant voltage charge of the precursor after constant current charge of the precursor in the voltage application step, and wherein (4) a C rate of the constant current charge is 1.0 to 100.0 times as large as an electric discharging capacity (Ah) of the obtained non-aqueous alkali metal electricity storage element, and (5) a voltage value of the constant voltage charge is 4.20 V or more.

5. 发明授权

EP3392892B1 NONAQUEOUS LITHIUM-TYPE POWER STORAGE ELEMENT 有权转让
公开(公告)号：EP3392892B1
公开(公告)日：2020-03-11
申请号：EP17741568.4
申请日：2017-01-20
申请人： Asahi Kasei Kabushiki Kaisha
发明人： KIMURA, Yuima , UMETSU, Kazuteru , MORITA, Hitoshi , OKADA, Nobuhiro , HIRAKAWA, Yuichiro , YAMAHATA, Yusuke
IPC分类号： H01G11/06 , H01G11/24 , H01G11/28 , H01G11/84 , H01M4/1393 , H01M10/052 , H01M10/0567 , H01M10/0585 , H01G11/34 , H01G11/50 , H01G11/86 , H01M10/0525

6. 发明公开

EP3352188A1 NONAQUEOUS LITHIUM-TYPE POWER STORAGE ELEMENT 有权转让
公开(公告)号：EP3352188A1
公开(公告)日：2018-07-25
申请号：EP17741567.6
申请日：2017-01-20
申请人： Asahi Kasei Kabushiki Kaisha
发明人： UMETSU, Kazuteru , HIRAKAWA, Yuichiro , KIMURA, Yuima , MORITA, Hitoshi , OKADA, Nobuhiro
IPC分类号： H01G11/30 , H01G11/06 , H01G11/24 , H01G11/64 , H01M4/1393 , H01M10/052 , H01M10/0567 , H01M10/0585
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. A nonaqueous lithium-type power storage element has a positive electrode containing a lithium compound other than a positive electrode active material, a negative electrode, a separator, and a nonaqueous electrolytic solution containing a lithium ion, wherein: the positive electrode has a positive electrode collector, and a positive electrode active material layer that contains a positive electrode active material and is provided on one surface or both surfaces of the positive electrode collector; the negative electrode has a negative electrode collector, and a negative electrode active material layer that contains a negative electrode active material and is provided on one surface or both surfaces of the negative electrode collector; the relationship 2≤C≤300 is satisfied, where C (ppm) is the concentration of elemental Na and/or K in the positive electrode active material; and the relationship 1.0≤D≤15, 10≤E≤100, 0.2≤C/D≤38, and 0.1≤C/E≤7.2 are satisfied, where D (g/m 2 ) is the basis weight of the lithium compound, exclusive of the positive electrode active material, contained in the positive electrode active material layer on one surface of the positive electrode; and E (g/m 2 ) is the basis weight of the positive electrode active material, contained in the positive electrode active material layer on one surface of the cathode.

7. 发明公开

EP3712916A1 POSITIVE ELECTRODE COATING LIQUID, POSITIVE ELECTRODE PRECURSOR, AND NONAQUEOUS LITHIUM ELECTRIC STORAGE ELEMENT 有权
公开(公告)号：EP3712916A1
公开(公告)日：2020-09-23
申请号：EP18879270.9
申请日：2018-11-13
申请人： Asahi Kasei Kabushiki Kaisha
发明人： UMETSU, Kazuteru , KUSUZAKA, Keita , HIRAKAWA, Yuichiro , OKADA, Nobuhiro
IPC分类号： H01G11/50 , H01G11/06 , H01G11/10 , H01G11/24 , H01G11/46 , H01M4/131 , H01M4/133 , H01M4/136 , H01M4/1391 , H01M4/1393 , H01M4/1397 , H01M4/36 , H01M4/505 , H01M4/525 , H01M4/58 , H01M4/583 , H01M4/62 , H01M8/00
摘要： Provided is a positive electrode precursor having a positive electrode active material layer, wherein the mass proportion A 1 of a carbon material in the positive electrode active material layer accounts for 15-65 mass%, the mass proportion A 2 of a lithium transition metal oxide in the positive electrode active material layer accounts for 5-35 mass%, the mass proportion A 3 of an alkali metal compound in the positive electrode active material layer accounts for 10-50 mass%, A 2 /A 1 is 0.10-2.00, A 1 /A 3 is 0.50-3.00, and the positive electrode active material layer has a peel strength of 0.02-3.00 N/cm.

8. 发明授权

EP3352188B1 NONAQUEOUS LITHIUM-TYPE POWER STORAGE ELEMENT 有权转让
公开(公告)号：EP3352188B1
公开(公告)日：2020-07-29
申请号：EP17741567.6
申请日：2017-01-20
申请人： Asahi Kasei Kabushiki Kaisha
发明人： UMETSU, Kazuteru , HIRAKAWA, Yuichiro , KIMURA, Yuima , MORITA, Hitoshi , OKADA, Nobuhiro
IPC分类号： H01G11/06 , H01M10/66 , H01M4/13 , H01M10/0585 , H01M10/0567 , H01M10/052 , H01M4/1393 , H01G11/58 , H01G11/50 , H01G11/32 , H01G11/30 , H01G11/28 , H01G11/60 , H01G11/62 , H01G11/64

9. 发明公开

EP3736843A1 NONAQUEOUS LITHIUM-TYPE POWER STORAGE ELEMENT 有权
公开(公告)号：EP3736843A1
公开(公告)日：2020-11-11
申请号：EP20181685.7
申请日：2017-01-20
申请人： Asahi Kasei Kabushiki Kaisha
发明人： UMETSU, Kazuteru , HIRAKAWA, Yuichiro , KIMURA, Yuima , MORITA, Hitoshi , OKADA, Nobuhiro
IPC分类号： H01G11/06 , H01G11/28 , H01G11/30 , H01G11/32 , H01G11/50 , H01G11/64 , H01G11/60 , H01G11/84 , H01M4/1393 , H01M10/052 , H01M10/0567 , H01M10/0585 , H01M4/04 , H01M4/133 , H01M4/36 , H01M4/58 , H01M4/66 , H01M10/44 , H01M10/0566 , H01M4/587 , H01M10/0525
摘要： The invention relates to a method of producing a nonaqueous lithium-type storage element.

10. 发明公开

EP3392892A1 NONAQUEOUS LITHIUM-TYPE POWER STORAGE ELEMENT 有权转让
公开(公告)号：EP3392892A1
公开(公告)日：2018-10-24
申请号：EP17741568.4
申请日：2017-01-20
申请人： Asahi Kasei Kabushiki Kaisha
发明人： KIMURA, Yuima , UMETSU, Kazuteru , MORITA, Hitoshi , OKADA, Nobuhiro , HIRAKAWA, Yuichiro , YAMAHATA, Yusuke
IPC分类号： H01G11/06 , H01G11/24 , H01G11/26 , H01G11/30 , H01G11/50 , H01G11/70 , H01M4/1393 , H01M10/052 , H01M10/0567 , H01M10/0585
摘要： A nonaqueous lithium-type power storage element comprising a positive electrode, a negative electrode, a separator, and a nonaqueous electrolytic solution containing lithium ions. The negative electrode has: a negative electrode collector; and a negative electrode active material layer containing a negative electrode active material, said negative electrode active material layer being provided on one surface or both surfaces of the negative electrode collector. The negative electrode active material contains a carbonaceous material capable of storing or releasing lithium ions. Furthermore, the positive electrode has: a positive electrode collector; and a positive electrode active material layer containing a cathode active material, said positive electrode active material layer being provided on one surface or both surfaces of the positive electrode collector. The positive electrode active material contains activated carbon. Also, the positive electrode active material layer contains one or more compounds selected from formulas (1) to (3) in an amount of 1.60 x 10 -4 to 300 x 10 -4 mol/g per unit mass of the positive electrode active material layer. LiX 1 -OR 1 O-X 2 Li (1) LiX 1 -OR 1 O-X 2 R 2 (2) R 2 X 1 -OR 1 O-X 2 R 3 (3) (In the formulas, R 1 R 2 , R 3 X 1 , and X 2 represent groups defined in the specification of the application.)

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