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公开(公告)号:EP3352283A1
公开(公告)日:2018-07-25
申请号:EP16857373.1
申请日:2016-10-14
发明人: HIDAKA, Tomoya , SAKATA, Hideo , TAKAHASHI, Kenzou , ARIMA, Hiroyuki , YAMAZAKI, Shigeaki , KUWAJIMA, Yoshiko , KINOSHITA, Shinichi
IPC分类号: H01M10/0567 , C07C31/36 , C07C31/42 , C07C43/12 , C07C69/96 , C07C255/04 , C07C255/46 , C07C305/04 , C07F5/04 , C07F9/09 , C07F9/6593 , H01G9/20 , H01G11/62 , H01G11/64 , H01M10/0568 , H01M10/0569
CPC分类号: H01M10/0525 , C07C31/36 , C07C31/42 , C07C43/12 , C07C69/96 , C07C255/04 , C07C255/46 , C07C305/04 , C07F5/04 , C07F9/09 , H01G9/20 , H01G11/62 , H01G11/64 , H01M4/382 , H01M4/622 , H01M4/661 , H01M10/0567 , H01M10/0568 , H01M10/0569 , H01M2004/027 , H01M2004/028 , Y02E60/13
摘要: The present invention provides an electrolytic solution capable of providing an electrochemical device (e.g., a lithium ion secondary battery) or a module that is less likely to generate gas even in high-temperature storage and has high capacity retention even after high-temperature storage. The present invention relates to an electrolytic solution which may contain a compound represented by Y 21 R 21 C-CY 22 R 22 wherein R 21 and R 22 may be the same as or different from each other, and are each H, an alkyl group, or a halogenated alkyl group; Y 21 and Y 22 may be the same as or different from each other, and are each - OR 23 or a halogen atom; and R 23 is H, an alkyl group, or a halogenated alkyl group.
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公开(公告)号:EP4007031A1
公开(公告)日:2022-06-01
申请号:EP22152219.6
申请日:2018-09-13
IPC分类号: H01M10/0567 , H01G11/64 , H01M10/052 , H01M10/0568
摘要: The invention provides a method for producing lithium ethyl sulfate comprising reacting diethyl sulfate with lithium carbonate to provide lithium ethyl sulfate.
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3.
公开(公告)号:EP3651255A1
公开(公告)日:2020-05-13
申请号:EP18848321.8
申请日:2018-07-12
发明人: NAKAMURA, Hisako , YAMAZAKI, Shigeaki , TAKAHASHI, Kenzou , SUZUKI, Yuuki , YAMAUCHI, Akiyoshi , HAYASHI, Kotaro
IPC分类号: H01M10/0568 , H01M10/052 , H01M10/0566
摘要: The invention provides an electrolyte solution capable of providing a lithium ion secondary battery having low resistance and excellent cycle characteristics. The electrolyte solution for a lithium ion secondary battery contains a compound (1) represented by the following formula (1):
wherein R 1 and R 2 are each independently a C1-C4 alkyl group optionally containing an ether bond.-
公开(公告)号:EP3627609A1
公开(公告)日:2020-03-25
申请号:EP18823462.9
申请日:2018-05-30
IPC分类号: H01M10/0567 , H01G9/035 , H01G11/60 , H01G11/64 , H01M10/0569
摘要: The invention provides an electrolyte solution that can hardly increase the resistance of an electrochemical device such as a lithium ion secondary battery even after the electrochemical device is stored at high temperature in comparison with that before the storage. The electrolyte solution contains tris(trimethylsilyl) phosphite and at least one fluorinated saturated cyclic carbonate (1) selected from the group consisting of pentafluoropropylethylene carbonate and heptafluoroisobutylethylene carbonate.
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公开(公告)号:EP3598559A1
公开(公告)日:2020-01-22
申请号:EP18780464.6
申请日:2018-03-01
IPC分类号: H01M10/0567 , H01G9/035 , H01G11/06 , H01G11/64 , H01M2/10 , H01M10/0525 , H01M10/0568
摘要: The invention provides an electrolyte solution that can give improved initial resistance and storage characteristics to an electrochemical device. The electrolyte solution contains a solvent and a compound (1) represented by the following formula (1), wherein R 1 is a C1-C5 linear or branched non-fluorinated alkyl group optionally containing an ether bond.
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公开(公告)号:EP2511923A1
公开(公告)日:2012-10-17
申请号:EP10835847.4
申请日:2010-11-26
发明人: TAKAHASHI, Kenzou , KOH, Meiten , KOYAMA, Mai , MIYANAGA, Emi
IPC分类号: H01G9/038
CPC分类号: H01G9/038 , H01G11/60 , H01G11/62 , H01G11/64 , H01M10/0567 , H01M10/0568 , H01M10/0569 , H01M2300/0025 , Y02E60/13
摘要: An object of the present invention is to provide an electric double layer capacitor which has a high withstand voltage, and is resistant to degradation and excellent in long term reliability. Disclosed is an electrolytic solution for an electric double layer capacitor including a solvent (I) for dissolving an electrolyte salt and an electrolyte salt (II), wherein the solvent (I) for dissolving an electrolyte salt includes a sulfolane compound and a fluorine-containing chain ether. Also disclosed is an electric double layer capacitor using the electrolytic solution.
摘要翻译: 本发明的目的在于提供耐电压性高,耐劣化,长期可靠性优异的双电层电容器。 本发明公开了一种用于双电层电容器的电解液,其包含用于溶解电解质盐的溶剂(I)和电解质盐(II),其中用于溶解电解质盐的溶剂(I)包括环丁砜化合物和含氟 链状醚。 还公开了使用电解液的双电层电容器。
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公开(公告)号:EP3780231A1
公开(公告)日:2021-02-17
申请号:EP19803680.8
申请日:2019-03-18
发明人: KUWAJIMA, Yoshiko , HIDAKA, Tomoya , KINOSHITA, Masakazu , SUZUKI, Yuuki , SHIMOOKA, Toshiharu , NAKAMURA, Hisako , YAMADA, Takaya , YAMAZAKI, Shigeaki , YAMAUCHI, Akiyoshi , HAYASHI, Kotaro , YAMAMOTO, Yoshihiro , TAKAHASHI, Kenzou
IPC分类号: H01M10/0567 , H01G11/64 , H01M10/052
摘要: The disclosure provides an electrolyte solution capable of improving the output characteristics of an electrochemical device at initial stage and after high-temperature storage as well as the high-temperature cycle characteristics of the device. The electrolyte solution contains a compound (1) represented by the formula (1) (wherein M 101 is P or P=O; R 101 is a group such as a C1-C11 alkylsilyloxy group; n101 is an oxidation number of M 101 minus 1 or an oxidation number of M 101 minus 3; and R 102 to R 104 are each individually a group such as a C1-C11 alkyl group) and a compound (11) represented by, for example, the formula (11-1) (wherein R 111 and R 112 are the same as or different from each other and are each an atom or group such as a hydrogen atom; and R 113 is a group such as an alkyl group free from a fluorine atom).
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公开(公告)号:EP3731329A1
公开(公告)日:2020-10-28
申请号:EP19747870.4
申请日:2019-01-09
发明人: KUWAJIMA, Yoshiko , YAMAUCHI, Akiyoshi , SUZUKI, Yuuki , HAYASHI, Kotaro , NAKAMURA, Hisako , YAMADA, Takaya , SHIMOOKA, Toshiharu , YAMAMOTO, Yoshihiro , YAMAZAKI, Shigeaki , TAKAHASHI, Kenzou
IPC分类号: H01M10/0567 , C07C69/533 , C07C233/09 , C07C233/13 , C07D295/185 , H01G11/64 , H01M10/052
摘要: The disclosure provides an electrolyte solution capable of improving the high-temperature storage characteristics and cycle characteristics of an electrochemical device. The electrolyte solution contains at least one selected from the group consisting of a compound represented by the following formula (1-1) (wherein R 101 is a group such as an optionally fluorinated C1-C7 alkyl group and optionally contains a substance such as O in the structure) and a compound represented by the following formula (1-2) (wherein R 102 and R 103 are (i) each individually H, F, or a group such as an optionally fluorinated C1-C7 alkyl group, or (ii) hydrocarbon groups binding to each other to form a 5-membered or 6-membered hetero ring with a nitrogen atom; and R 102 and R 103 each optionally contain a substance such as O in the structure).
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公开(公告)号:EP3694041A1
公开(公告)日:2020-08-12
申请号:EP18876381.7
申请日:2018-10-26
发明人: KUWAJIMA, Yoshiko , HAYASHI, Kotaro , NAKAMURA, Hisako , YAMADA, Takaya , SUZUKI, Yuuki , YAMAZAKI, Shigeaki , YAMAUCHI, Akiyoshi , TAKAHASHI, Kenzou
IPC分类号: H01M10/0567 , C07C69/36 , H01G11/64 , H01M10/052
摘要: The invention provides an electrolyte solution capable of improving the high-temperature storage characteristics and cycle characteristics of an electrochemical device. The electrolyte solution contains at least one selected from the group consisting of a compound represented by the following formula (1-1) (wherein Rf 111 s are the same as or different from each other and are each a C2-C4 fluorinated alkenyl group), a compound represented by the following formula (1-2) (wherein R 121 is a C1-C4 alkyl group; and Rf 121 is a C2-C4 fluorinated alkenyl group), and a compound represented by the following formula (1-3) (wherein Rf 131 is a C1-C3 fluorinated alkyl group; and R 131 is a C6-C12 aryl group).
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10.
公开(公告)号:EP3691016A1
公开(公告)日:2020-08-05
申请号:EP18869721.3
申请日:2018-09-13
IPC分类号: H01M10/0567 , H01G11/64 , H01M10/052 , H01M10/0568
摘要: The invention provides an electrolyte solution capable of providing an electrochemical device that has a low internal resistance and excellent cycle characteristics and that is less likely to generate gas. The electrolyte solution contains lithium ethyl sulfate and ethyl sulfate. The lithium ethyl sulfate is present in an amount of 0.1 to 2.0% by mass relative to the electrolyte solution. The lithium ethyl sulfate and the ethyl sulfate give a mass ratio of the lithium ethyl sulfate to the ethyl sulfate of 80 to 1500.
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