专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20150263347A1 CARBON MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME, AND NEGATIVE ELECTRODE USING CARBON MATERIAL AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 审中-公开
标题翻译：用于非水电解质二次电池的碳材料及其制造方法，以及使用碳材料和非电解电解质二次电池的负极
公开(公告)号：US20150263347A1
公开(公告)日：2015-09-17
申请号：US14424723
申请日：2013-08-30
申请人： KUREHA CORPORATION , KURARAY CO., LTD. , KURARAY CHEMICAL CO., LTD.
发明人： Makoto Imaji , Kenta Aoki , Yasuhiro Tada , Naohiro Sonobe , Junichi Arima , Kenichi Koyakumaru , Hideharu Iwasaki , Kiyoto Otsuka , Jiro Masuko , Hajime Komatsu , Shinya Tago
IPC分类号： H01M4/583 , H01M10/05 , C01B31/02
CPC分类号： H01M4/587 , C01B32/05 , C01P2002/72 , C01P2006/10 , C01P2006/12 , C01P2006/40 , C01P2006/80 , H01M4/583 , H01M10/05 , H01M10/0525 , H01M2004/021 , H01M2004/027 , H01M2220/20
摘要： The object of the present invention is to provide a carbonaceous material which is obtainable from plant-derived char and has a decreased specific surface area. Further, the object of the present invention is to provide a non-aqueous electrolyte secondary battery having excellent dedoping capacity (discharge capacity), non-dedoping capacity (irreversible capacity), and charge-discharge efficiency.The object can be solved by a carbonaceous material for non-aqueous electrolyte secondary batteries characterized in that the carbonaceous material is obtained by heat-treating plant-derived char which is demineralized in gas-phase, and carbon precursor (i.e. non-graphitizable carbon precursor, graphitizable carbon, or mixture thereof) or volatile organic compound under a non-oxidizing gas atmosphere; and a specific surface area determined by a BET method is 10 m2/g or less. Further, the object can be solved by a carbonaceous material for non-aqueous electrolyte secondary batteries characterized in that the carbonaceous material is obtained by heating plant-derived char, and hydrocarbon compound having 1 to 20 carbon atoms; and a specific surface area determined by a BET method is 15 m2/g or less.
摘要翻译：本发明的目的是提供一种可从植物来源的炭获得并具有降低的比表面积的碳质材料。此外，本发明的目的是提供一种具有优异的去掺杂能力（放电容量），非去掺杂能力（不可逆容量）和充放电效率的非水电解质二次电池。该目的可以通过用于非水电解质二次电池的碳质材料来解决，其特征在于，通过热处理在气相中脱矿质的植物来源的碳，以及碳前体（即不可石墨化的碳前体，可石墨化碳或其混合物）或挥发性有机化合物; 通过BET法测定的比表面积为10m 2 / g以下。此外，该目的可以通过用于非水电解质二次电池的碳质材料来解决，其特征在于，通过加热植物来源的炭和碳原子数1〜20的烃化合物而获得碳质材料; 通过BET法测定的比表面积为15m 2 / g以下。

2. 发明授权

US10573891B2 Carbon material for nonaqueous electrolyte secondary battery and method for manufacturing same, and negative electrode using carbon material and nonaqueous electrolyte secondary battery 有权
公开(公告)号：US10573891B2
公开(公告)日：2020-02-25
申请号：US15409242
申请日：2017-01-18
申请人： KURARAY CO., LTD.
发明人： Makoto Imaji , Kenta Aoki , Yasuhiro Tada , Naohiro Sonobe , Junichi Arima , Kenichi Koyakumaru , Hideharu Iwasaki , Kiyoto Otsuka , Jiro Masuko , Hajime Komatsu , Shinya Tago
IPC分类号： H01M4/587 , C01B32/05 , H01M4/583 , H01M10/05 , H01M10/0525 , H01M4/02
摘要： The object of the present invention is to provide a carbonaceous material which is obtainable from plant-derived char and has a decreased specific surface area. Further, the object of the present invention is to provide a non-aqueous electrolyte secondary battery having excellent dedoping capacity, non-dedoping capacity, and charge-discharge efficiency. The object can be solved by a carbonaceous material for non-aqueous electrolyte secondary batteries characterized in that the carbonaceous material is obtained by heat-treating plant-derived char which is demineralized in gas-phase, and carbon precursor or volatile organic compound under a non-oxidizing gas atmosphere; and a specific surface area determined by a BET method is 10 m2/g or less.

3. 发明授权

US10381637B2 Carbonaceous material for negative electrodes of nonaqueous electrolyte secondary batteries 有权
公开(公告)号：US10381637B2
公开(公告)日：2019-08-13
申请号：US15030258
申请日：2014-10-10
申请人： KURARAY CO., LTD.
发明人： Akira Koshima , Taketoshi Okuno , Kenichi Koyakumaru , Hideharu Iwasaki , Kenta Aoki , Makoto Imaji , Yasuhiro Tada , Naohiro Sonobe
IPC分类号： H01M4/133 , H01M4/583 , H01M4/36 , H01M10/0525 , H01M4/587 , H01M10/052 , H01M4/02
摘要： Provided is a less hygroscopic carbonaceous material that is obtained from a plant-derived carbonaceous raw material and that, when used as a negative electrode material for a nonaqueous electrolyte secondary battery, allows the battery to exhibit good battery characteristics. Provided is a carbonaceous material for negative electrodes of nonaqueous electrolyte secondary batteries. This carbonaceous material is a particulate carbonaceous material containing carbonaceous particles. The carbonaceous material has a BET specific surface area of 1 m2/g or more and less than 20 m2/g. Each of the carbonaceous particles of the carbonaceous material has a core and a skin covering the core. The core contains a calcined product of a plant-derived carbonaceous raw material. The skin is made of a material that has higher electron emission ability upon irradiation with an electron beam than a material of the core.

4. 发明授权

US10967115B2 Toxin separator 有权
公开(公告)号：US10967115B2
公开(公告)日：2021-04-06
申请号：US16969590
申请日：2019-01-10
申请人： Kureha Corporation
发明人： Makoto Imaji , Kaori Kikuchi , Yoshiharu Itoh
IPC分类号： A61M1/36 , B01J20/28 , A61M1/34 , B01J20/20 , B01D15/38
摘要： Provided are a toxin separator and the like which are capable of selectively separating toxin present in a biological fluid by binding to protein, from the toxin and the protein. The toxin separator of the present invention also includes activated carbon of which a pore volume of pores having a pore diameter from 1.4 to 35 nm as measured by a nitrogen adsorption method is 0.06 cm3/g or greater.

5. 发明授权

US09991517B2 Carbonaceous material for non-aqueous electrolyte secondary battery anode, non-aqueous electrolyte secondary battery anode, non-aqueous electrolyte secondary battery, and vehicle 有权
公开(公告)号：US09991517B2
公开(公告)日：2018-06-05
申请号：US15300304
申请日：2015-03-27
申请人： Kureha Corporation
发明人： Makoto Imaji , Kayoko Okada , Yasuhiro Tada , Naohiro Sonobe , Mayu Komatsu
IPC分类号： H01M4/587 , H01M10/0525 , C01B31/02 , H01M4/02
CPC分类号： H01M4/587 , C01B32/05 , C01P2004/61 , C01P2006/10 , C01P2006/12 , C01P2006/40 , H01M10/0525 , H01M2004/021 , H01M2004/027 , H01M2220/20 , Y02E60/122 , Y02T10/7011
摘要： Provided is a carbonaceous material for a non-aqueous electrolyte secondary battery anode having high discharge capacity per unit volume and excellent storage characteristics.The carbonaceous material for a non-aqueous electrolyte secondary battery anode of the present invention has a true density (ρBt) determined by a pycnometer method using butanol of not less than 1.55 g/cm3 and less than 1.75 g/cm3 and a discharge capacity of an anode at 0.05 V to 1.5 V in terms of a lithium reference electrode standard of not less than 180 mAh/g. Furthermore, the slope 0.9/X (Vg/Ah) of a discharge curve calculated from a discharge capacity X (Ah/g) and a potential difference of 0.9 (V) corresponding to 0.2 V to 1.1 V in terms of a lithium reference electrode standard is not greater than 0.75 (Vg/Ah), and an absorbed moisture quantity after storage for 100 hours in a 25° C. 50% RH air atmosphere is not greater than 1.5 wt %.

6. 发明申请

US20150188137A1 CARBONACEOUS MATERIAL FOR ANODE OF NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND METHOD FOR MANUFACTURING THE SAME 审中-公开
标题翻译：非水电解质二次电池阳极用碳材料及其制造方法
公开(公告)号：US20150188137A1
公开(公告)日：2015-07-02
申请号：US14420385
申请日：2013-08-30
申请人： Kureha Corporation , Kureha Battery Materials Japan Co., Ltd.
发明人： Mayu Komatsu , Yasushi Ebihara , Takashi Wakahoi , Yasuhiro Tada , Naohiro Sonobe , Mao Suzuki , Kayoko Okada , Akitoshi Hatamochi , Makoto Imaji , Yasufumi Ikeyama , Shota Kobayashi
IPC分类号： H01M4/587 , B01D11/02 , C01B31/02 , H01M4/133 , H01M4/62
CPC分类号： H01M4/587 , B01D11/02 , C01B32/05 , H01M4/622 , H01M10/0525 , H01M10/0567 , H01M2220/20 , H01M2300/0025 , Y02E60/122 , Y02P70/54 , Y02T10/7011
摘要： The object of the present invention is to provide a carbonaceous material for an anode of a nonaqueous electrolyte secondary battery which uses a plant-derived organic material as a raw material, has high purity so that alkali metals such as the potassium element and alkali earth metals such as the calcium element are sufficiently removed by de-mineral treatment, and has excellent discharge capacity and efficiency, a novel manufacturing method capable of efficiently mass-producing the carbonaceous material, and a lithium ion secondary battery using the carbonaceous material.The problem described above can be solved by a carbonaceous material for an anode of a nonaqueous electrolyte secondary battery obtained by carbonizing a plant-derived organic material, the atom ratio (H/C) of hydrogen atoms and carbon atoms according to elemental analysis being at most 0.1, the average particle size Dv50 being from 2 to 50 μm, the average interlayer spacing of the 002 planes determined by powder X-ray diffraction being from 0.365 nm to 0.400 nm, the potassium element content being at most 0.5 mass %, and the calcium element content being at most 0.02 mass %.
摘要翻译：本发明的目的是提供一种以植物来源的有机材料为原料的非水电解质二次电池的负极用碳质材料，其纯度高，使得碱金属如钾元素和碱土金属例如通过脱矿石处理充分除去钙元素，并且具有优异的排出能力和效率，能够有效地大量生产碳质材料的新型制造方法和使用该碳质材料的锂离子二次电池。上述问题可以通过将植物来源的有机材料碳化获得的非水电解质二次电池的阳极用碳质材料，根据元素分析的氢原子和碳原子的原子比（H / C）为平均粒径Dv50为2〜50μm，通过粉末X射线衍射测定的002平面的平均层间距离为0.365nm〜0.400nm，钾元素含量为0.5质量％以下，钙元素含量为0.02质量％以下。

7. 发明申请

US20150180020A1 CARBONACEOUS MATERIAL FOR ANODE OF NANAQUEOUS ELECTROLYTE SECONDARY BATTERY, PROCESS FOR PRODUCING THE SAME, AND ANODE AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY OBTAINED USING THE CARBONACEOUS MATERIAL 审中-公开
标题翻译：用于阳极电解质二次电池阳极的碳质材料，其制造方法以及使用碳质材料获得的阳极和非电解电解质二次电池
公开(公告)号：US20150180020A1
公开(公告)日：2015-06-25
申请号：US14420412
申请日：2013-08-30
申请人： Kureha Corporation , Kureha Battery Materials Japan Co., Ltd.
发明人： Mayu Komatsu , Yasushi Ebihara , Takashi Wakahoi , Yasuhiro Tada , Naohiro Sonobe , Mao Suzuki , Kayoko Okada , Akitoshi Hatamochi , Makoto Imaji , Yasufumi Ikeyama , Shota Kobayashi , Kenta Aoki
IPC分类号： H01M4/133 , C01B31/02 , H01M4/587
CPC分类号： H01M4/133 , C01B32/05 , H01M4/587 , H01M10/0525 , H01M10/0567 , H01M2220/20 , H01M2300/0025 , Y02E60/122 , Y02P70/54 , Y02T10/7011
摘要： The object of the present invention is to provide a carbonaceous material for an anode of a nonaqueous electrolyte secondary battery which uses a plant-derived organic material as a raw material, has high purity so that alkali metals such as the potassium element are sufficiently removed by de-mineral, and has excellent cycle characteristics, and to provide a lithium ion secondary battery using the carbonaceous material.The carbonaceous material for an anode of a nonaqueous electrolyte secondary battery is a carbonaceous material obtained by carbonizing a plant-derived organic material, the atom ratio of hydrogen atoms and carbon atoms (H/C) according to elemental analysis being at most 0.1, the average particle size Dv50 being from 2 to 50 μm, the average interlayer spacing of the 002 planes determined by X-ray diffraction being from 0.365 nm to 0.400 nm, the potassium element content being at most 0.5 mass %, the calcium element content being at most 0.02 mass %, and the true density determined by a pycnometer method using butanol being at least 1.44 g/cm3 and less than 1.54 g/cm3.
摘要翻译：本发明的目的是提供一种以植物来源的有机材料为原料的非水电解质二次电池的负极用碳质材料，其纯度高，使得钾元素等碱金属被充分地除去。脱矿物质，并且具有优异的循环特性，并提供使用碳质材料的锂离子二次电池。非水电解质二次电池的负极用碳质材料是通过碳化植物来源的有机材料得到的碳质材料，根据元素分析的氢原子和碳原子的原子比（H / C）为0.1以下，平均粒径Dv50为2〜50μm，通过X射线衍射测定的002面平均层间距为0.365nm〜0.400nm，钾元素含量为0.5质量％以下，钙元素含量为最大0.02质量％，并且通过使用丁醇的比重瓶法测定的真密度为至少1.44g / cm 3且小于1.54g / cm 3。

8. 发明授权

US09812711B2 Carbonaceous material for non-aqueous electrolyte secondary battery anode, non-aqueous electrolyte secondary battery anode, non-aqueous electrolyte secondary battery, and vehicle 有权
公开(公告)号：US09812711B2
公开(公告)日：2017-11-07
申请号：US15300312
申请日：2015-03-27
申请人： Kureha Corporation
发明人： Makoto Imaji , Kayoko Okada , Yasuhiro Tada , Naohiro Sonobe , Mayu Komatsu
IPC分类号： H01M4/587 , H01M10/0525 , C01B31/02 , H01M4/02
CPC分类号： H01M4/587 , C01B32/05 , C01P2002/76 , C01P2004/61 , C01P2004/62 , C01P2006/40 , H01M4/133 , H01M4/583 , H01M10/0525 , H01M2004/021 , H01M2004/027 , H01M2220/20 , Y02E60/122 , Y02T10/7011
摘要： To provide a carbonaceous material for a non-aqueous electrolyte secondary battery anode that yields an anode for a non-aqueous electrolyte secondary battery having excellent input/output characteristics, and a non-aqueous electrolyte secondary battery having high discharge capacity per unit volume, and a non-aqueous electrolyte secondary battery and a vehicle comprising this non-aqueous electrolyte secondary battery anode.The carbonaceous material for a non-aqueous electrolyte secondary battery anode of the present invention has a number average particle size of from 0.1 to 2.0 μm, a value of a number average particle size divided by a volume average particle size of not greater than 0.3, an average interlayer spacing d002 of an (002) plane determined by X-ray diffraction of from 0.340 to 0.390 nm, and an atomic ratio (H/C) of hydrogen and carbon of not greater than 0.10.

9. 发明申请

US20150340693A1 CARBONACEOUS MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY NEGATIVE ELECTRODE 审中-公开
标题翻译：非水电解质二次电池负极电极用碳材料
公开(公告)号：US20150340693A1
公开(公告)日：2015-11-26
申请号：US14654619
申请日：2014-02-19
申请人： KUREHA CORPORATION
发明人： Makoto Imaji , Yasuhiro Tada , Naohiro Sonobe
IPC分类号： H01M4/587 , H01M10/0525
摘要： An object of the present invention is to provide a carbonaceous material for a negative electrode for producing a nonaqueous electrolyte secondary battery capable of rapid charge and discharge and having excellent rate characteristics (output characteristics) while maintaining a large discharge capacity.The problem described above can be solved by a carbonaceous material for a nonaqueous electrolyte secondary battery negative electrode of the present invention obtained by heat-treating a non-graphitizable carbon precursor which is pulverized and contains from 13 to 80 wt. % of a volatile component. With the present invention, it is possible to provide a carbonaceous material for a nonaqueous electrolyte secondary battery negative electrode, whereby a nonaqueous electrolyte secondary battery having a large charge-discharge capacity and having excellent rate characteristics can be produced.
摘要翻译：本发明的目的是提供一种用于制造能够快速充放电并且具有优异的速率特性（输出特性）同时保持大放电容量的非水电解质二次电池的负极用碳质材料。上述问题可以通过将本发明的非水电解质二次电池用负极用碳质材料进行热处理而得到，该碳质材料通过将粉碎后含有13〜80重量％的不可石墨化碳前体进行热处理而得到。％挥发性组分。通过本发明，可以提供一种用于非水电解质二次电池负极的碳质材料，由此可以制造具有大的充放电容量并且具有优异的速率特性的非水电解质二次电池。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式