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公开(公告)号：US11742491B2
公开(公告)日：2023-08-29
申请号：US16755436
申请日：2018-10-02
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Kazuki Hosoda , Takahiro Kitahara , Manabu Fujisawa , Takashi Iguchi , Kazuya Asano , Chihiro Shinoda
IPC: H01M4/62 , H01M4/13 , H01M10/05 , C08F214/22 , C08F214/26 , C08F220/04 , H01M4/131 , H01M10/0525 , H01M4/02
CPC classification number: H01M4/623 , C08F214/22 , C08F214/26 , C08F220/04 , H01M4/131 , H01M10/0525 , H01M2004/021
Abstract: A binder for a secondary battery containing a fluorine-containing polymer (A) and polyvinylidene fluoride (B). The fluorine-containing polymer (A) contains a polymerized unit based on vinylidene fluoride, a polymerized unit based on tetrafluoroethylene, and a polymerized unit based on a monomer (2-2) represented by the following formula (2-2):
wherein R5, R6, and R7 are each independently a hydrogen atom or a C1-C8 hydrocarbon group; R8 is a C1-C8 hydrocarbon group; and Y1 is an inorganic cation or an organic cation. Also disclosed is an electrode mixture and an electrode for a secondary battery including the binder, and a secondary battery including the electrode.-
公开(公告)号：US20220416250A1
公开(公告)日：2022-12-29
申请号：US17896199
申请日：2022-08-26
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Takashi Iguchi , Takahiro Kitahara , Ryouichi Yano , Kazuya Asano , Kanako Arai
IPC: H01M4/62 , C08F214/22 , H01M4/525 , H01M4/505 , H01M10/0525
Abstract: Provided is a polyvinylidene fluoride comprising: vinylidene fluoride unit; and a pentenoic acid unit represented by formula (1): CH2═CH— (CH)2—COOY wherein Y represents at least one selected from the group consisting of an inorganic cation and an organic cation, a content of vinylidene fluoride unit is 95.0 to 99.99 mol % based on all monomer units of the polyvinylidene fluoride, and a content of the pentenoic acid unit is 0.01 to 5.0 mol % based on all monomer units of the polyvinylidene fluoride.
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公开(公告)号：US20150017532A1
公开(公告)日：2015-01-15
申请号：US14374003
申请日：2013-01-24
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Takashi Iguchi , Takahiro Kitahara , Takuji Ishikawa , Toshiki Ichisaka , Kazunobu Uchida , Tomoyuki Fukatani , Manabu Fujisawa , Kenji Ichikawa
IPC: H01M4/62 , C08F114/22 , C08L27/16 , H01M10/0525
CPC classification number: H01M4/623 , C08F114/22 , C08F214/22 , C08F214/225 , C08L27/16 , C08L2205/025 , C09D127/16 , H01M4/0404 , H01M4/043 , H01M4/13 , H01M10/0525 , H01M2004/027 , H01M2004/028 , Y02E60/122
Abstract: A binder, including a fluoropolymer, the fluoropolymer including a polymerization unit based on vinylidene fluoride and a polymerization unit based on a monomer having an amide group represented by —CO—NRR′ (R and R′ are the same as or different from each other and each represent a hydrogen atom or an alkyl group optionally having a substituent group) or an amide bond represented by —CO—NR″— (R″ represents a hydrogen atom, an alkyl group optionally having a substituent group, or a phenyl group optionally having a substituent group) and having a solution viscosity of 10 to 20,000 mPa·s. Also disclosed is a positive electrode mixture and a negative electrode mixture containing the binder, a positive electrode, a negative electrode and a lithium ion secondary cell.
Abstract translation: 包含氟聚合物的粘合剂，包含基于偏二氟乙烯的聚合单元的含氟聚合物和基于由-CO-NRR'表示的具有酰胺基的单体的聚合单元（R和R'彼此相同或不同） 并且各自表示氢原子或任选具有取代基的烷基）或由-CO-NR“ - （R”表示氢原子，任选具有取代基的烷基或任选具有取代基的苯基）表示的酰胺键 具有取代基），溶液粘度为10〜20,000mPa·s。 还公开了含有粘合剂，正极，负极和锂离子二次电池的正极混合物和负极混合物。
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Patent Agency Ranking
公开(公告)号：US20150137028A1
公开(公告)日：2015-05-21
申请号：US14402241
申请日：2013-05-20
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Toshiki Ichisaka , Takashi Iguchi , Tomoyuki Fukatani , Kazunobu Uchida , Takuji Ishikawa , Norimasa Uesugi , Takahiro Kitahara
CPC classification number: H01M4/623 , H01M4/139 , H01M4/525 , H01M4/625 , Y02E60/122
Abstract: The present invention aims to provide an electrode mixture which shows little change in viscosity even after 24 hours from the preparation of the mixture and enables production of an electrode having a high electrode density and excellent flexibility and is capable of giving excellent electric properties to the resulting cell. The present invention relates to an electrode mixture including a powdery electrode material; a binder; and an organic solvent, the binder including polyvinylidene fluoride and a fluorine-containing polymer including a polymer unit based on vinylidene fluoride and a polymer unit based on tetrafluoroethylene, the fluorine-containing polymer including the polymer unit based on vinylidene fluoride in an amount of 80.0 to 90.0 mol % based on all the polymer units, the polyvinylidene fluoride having a number average molecular weight of 150,000 to 1,400,000.
Abstract translation: 本发明的目的在于提供即使在从混合物制备24小时后粘度变化不大的电极混合物，能够制造电极密度高，柔软性优异的电极，能够得到优异的电性能 细胞。 本发明涉及包含粉末电极材料的电极混合物; 粘合剂 和有机溶剂，所述粘合剂包括聚偏二氟乙烯和包含基于偏二氟乙烯的聚合物单元的含氟聚合物和基于四氟乙烯的聚合物单元，所述含氟聚合物包含基于偏二氟乙烯的聚合物单元的量为80.0 至90.0mol％，聚偏二氟乙烯的数均分子量为150,000至1,400,000。
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公开(公告)号：US09444104B2
公开(公告)日：2016-09-13
申请号：US14402251
申请日：2013-05-20
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Toshiki Ichisaka , Takashi Iguchi , Tomoyuki Fukatani , Kazunobu Uchida , Takuji Ishikawa , Norimasa Uesugi , Takahiro Kitahara
CPC classification number: H01M4/623 , H01M4/139 , H01M4/525 , H01M4/625 , Y02E60/122
Abstract: The present invention aims to provide an electrode mixture which shows little change in viscosity even after 24 hours from the preparation of the mixture and enables production of an electrode having a high electrode density and excellent flexibility and is capable of giving excellent electric properties to the resulting cell. The present invention relates to an electrode mixture including a powdery electrode material; a binder; and an organic solvent, the binder including a fluorine-containing polymer including a polymer unit based on vinylidene fluoride and a polymer unit based on tetrafluoroethylene, the fluorine-containing polymer including the polymer unit based on vinylidene fluoride in an amount of 80.0 to 89.0 mol % based on all the polymer units, and the organic solvent being N-methyl-2-pyrolidone and/or N,N-dimethylacetamide.
Abstract translation: 本发明的目的在于提供即使在从混合物制备24小时后粘度变化不大的电极混合物，能够制造电极密度高，柔软性优异的电极，能够得到优异的电性能 细胞。 本发明涉及包含粉末电极材料的电极混合物; 粘合剂 和有机溶剂，所述粘合剂包括包含基于偏二氟乙烯的聚合物单元的含氟聚合物和基于四氟乙烯的聚合物单元，所述含氟聚合物包含基于偏二氟乙烯的聚合物单元，其量为80.0至89.0mol 基于所有聚合物单元的％，有机溶剂为N-甲基-2-吡咯烷酮和/或N，N-二甲基乙酰胺。
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公开(公告)号：US09444103B2
公开(公告)日：2016-09-13
申请号：US14402241
申请日：2013-05-20
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Toshiki Ichisaka , Takashi Iguchi , Tomoyuki Fukatani , Kazunobu Uchida , Takuji Ishikawa , Norimasa Uesugi , Takahiro Kitahara
CPC classification number: H01M4/623 , H01M4/139 , H01M4/525 , H01M4/625 , Y02E60/122
Abstract: The present invention aims to provide an electrode mixture which shows little change in viscosity even after 24 hours from the preparation of the mixture and enables production of an electrode having a high electrode density and excellent flexibility and is capable of giving excellent electric properties to the resulting cell. The present invention relates to an electrode mixture including a powdery electrode material; a binder; and an organic solvent, the binder including polyvinylidene fluoride and a fluorine-containing polymer including a polymer unit based on vinylidene fluoride and a polymer unit based on tetrafluoroethylene, the fluorine-containing polymer including the polymer unit based on vinylidene fluoride in an amount of 80.0 to 90.0 mol % based on all the polymer units, the polyvinylidene fluoride having a number average molecular weight of 150,000 to 1,400,000.
Abstract translation: 本发明的目的在于提供即使在从混合物制备24小时后粘度变化不大的电极混合物，能够制造电极密度高，柔软性优异的电极，能够得到优异的电性能 细胞。 本发明涉及包含粉末电极材料的电极混合物; 粘合剂 和有机溶剂，所述粘合剂包括聚偏二氟乙烯和包含基于偏二氟乙烯的聚合物单元的含氟聚合物和基于四氟乙烯的聚合物单元，所述含氟聚合物包含基于偏二氟乙烯的聚合物单元的量为80.0 至90.0mol％，聚偏二氟乙烯的数均分子量为150,000至1,400,000。
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公开(公告)号：US09343744B2
公开(公告)日：2016-05-17
申请号：US14374003
申请日：2013-01-24
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Takashi Iguchi , Takahiro Kitahara , Takuji Ishikawa , Toshiki Ichisaka , Kazunobu Uchida , Tomoyuki Fukatani , Manabu Fujisawa , Kenji Ichikawa
IPC: H01M4/62 , C08F214/22 , C08F114/22 , C08L27/16 , H01M10/0525 , C09D127/16 , H01M4/04 , H01M4/13 , H01M4/02
CPC classification number: H01M4/623 , C08F114/22 , C08F214/22 , C08F214/225 , C08L27/16 , C08L2205/025 , C09D127/16 , H01M4/0404 , H01M4/043 , H01M4/13 , H01M10/0525 , H01M2004/027 , H01M2004/028 , Y02E60/122
Abstract: A binder, including a fluoropolymer, the fluoropolymer including a polymerization unit based on vinylidene fluoride and a polymerization unit based on a monomer having an amide group represented by —CO—NRR′ (R and R′ are the same as or different from each other and each represent a hydrogen atom or an alkyl group optionally having a substituent group) or an amide bond represented by —CO—NR″— (R″ represents a hydrogen atom, an alkyl group optionally having a substituent group, or a phenyl group optionally having a substituent group) and having a solution viscosity of 10 to 20,000 mPa·s. Also disclosed is a positive electrode mixture and a negative electrode mixture containing the binder, a positive electrode, a negative electrode and a lithium ion secondary cell.
Abstract translation: 包含氟聚合物的粘合剂，包含基于偏二氟乙烯的聚合单元的含氟聚合物和基于由-CO-NRR'表示的具有酰胺基的单体的聚合单元（R和R'彼此相同或不同） 并且各自表示氢原子或任选具有取代基的烷基）或由-CO-NR“ - （R”表示氢原子，任选具有取代基的烷基或任选具有取代基的苯基）表示的酰胺键 具有取代基），溶液粘度为10〜20,000mPa·s。 还公开了含有粘合剂，正极，负极和锂离子二次电池的正极混合物和负极混合物。
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公开(公告)号：US20150137029A1
公开(公告)日：2015-05-21
申请号：US14402251
申请日：2013-05-20
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Toshiki Ichisaka , Takashi Iguchi , Tomoyuki Fukatani , Kazunobu Uchida , Takuji Ishikawa , Norimasa Uesugi , Takahiro Kitahara
CPC classification number: H01M4/623 , H01M4/139 , H01M4/525 , H01M4/625 , Y02E60/122
Abstract: The present invention aims to provide an electrode mixture which shows little change in viscosity even after 24 hours from the preparation of the mixture and enables production of an electrode having a high electrode density and excellent flexibility and is capable of giving excellent electric properties to the resulting cell. The present invention relates to an electrode mixture including a powdery electrode material; a binder; and an organic solvent, the binder including a fluorine-containing polymer including a polymer unit based on vinylidene fluoride and a polymer unit based on tetrafluoroethylene, the fluorine-containing polymer including the polymer unit based on vinylidene fluoride in an amount of 80.0 to 89.0 mol % based on all the polymer units, and the organic solvent being N-methyl-2-pyrolidone and/or N,N-dimethylacetamide.
Abstract translation: 本发明的目的在于提供即使在从混合物制备24小时后粘度变化不大的电极混合物，能够制造电极密度高，柔软性优异的电极，能够得到优异的电性能 细胞。 本发明涉及包含粉末电极材料的电极混合物; 粘合剂 和有机溶剂，所述粘合剂包括包含基于偏二氟乙烯的聚合物单元的含氟聚合物和基于四氟乙烯的聚合物单元，所述含氟聚合物包含基于偏二氟乙烯的聚合物单元，其量为80.0至89.0mol 基于所有聚合物单元的％，有机溶剂为N-甲基-2-吡咯烷酮和/或N，N-二甲基乙酰胺。
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