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1.发明申请公开(公告)号：US20160064735A1
公开(公告)日：2016-03-03
申请号：US14424903
申请日：2013-08-30
发明人： Yasuhiro TADA , Yasushi EBIHARA , Mayu KOMATSU , Jiro MASUKO , Hajime KOMATSU , Naohiro SONOBE , Junichi ARIMA , Akimi OGAWA , Shinya TAGO , Kenichi KOYAKUMARU , Hideharu IWASAKI , Kiyoto OTSUKA
CPC分类号： H01M4/587 , C01B32/05 , H01M4/133 , H01M2004/027 , H01M2220/20
摘要： The object of the present invention is to provide a manufacturing method of carbonaceous material for a negative electrode of non-aqueous electrolyte secondary batteries, wherein the carbonaceous material is obtained from plant-derived char as a source, potassium is sufficiently removed, and an average particle diameter thereof is small; and a carbonaceous material for a negative electrode of non-aqueous electrolyte secondary batteries.The object can be solved by a method for manufacturing a carbonaceous material having an average particle diameter of 3 to 30 μm, for a negative electrode of non-aqueous electrolyte secondary batteries comprising the steps of: (1) heating plant-derived char having an average particle diameter of 100 to 10000 μm at 500° C. to 1250° C. under an inert gas atmosphere containing halogen compound to demineralize in a gas-phase, (2) pulverizing a carbon precursor obtained by demineralization in a gas-phase, (3) calcining the pulverized carbon precursor at 1000° C. to 1600° C. under an non-oxidizing gas atmosphere.
摘要翻译： 本发明的目的是提供一种非水电解质二次电池用负极碳质材料的制造方法，其特征在于，所述碳质材料以植物来源的炭源为源，钾被充分除去， 其粒径小; 以及非水电解质二次电池的负极用碳质材料。 该目的可以通过一种非水电解质二次电池的负极制造平均粒径为3〜30μm的碳质材料的方法来解决，其特征在于，包括以下步骤：（1）加热具有 平均粒径为100〜10000μm，在含有卤素化合物的惰性气体气氛下，在气相中脱矿质，（2）粉碎气相中脱矿质得到的碳前体， （3）在非氧化气体气氛下，在1000℃〜1600℃下煅烧粉碎碳前体。
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公开(公告)号：US20170125811A1
公开(公告)日：2017-05-04
申请号：US15409242
申请日：2017-01-18
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 , H01M10/0525
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, 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.
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3.发明申请CARBONACEOUS MATERIAL FOR NEGATIVE ELECTRODES OF NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES 审中-公开非水电解质二次电池负极电极的碳质材料公开(公告)号：US20160268590A1
公开(公告)日：2016-09-15
申请号：US15030258
申请日：2014-10-10
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
CPC分类号： H01M4/133 , H01M4/366 , H01M4/583 , H01M4/587 , H01M10/052 , H01M10/0525 , H01M2004/027 , H01M2220/30
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.
摘要翻译： 提供从植物来源的碳质原料获得的吸湿性较小的碳质材料，并且当用作非水电解质二次电池的负极材料时，允许电池呈现良好的电池特性。 本发明提供一种非水电解质二次电池用负极碳质材料。 这种含碳材料是含碳质颗粒的颗粒状碳质材料。 碳质材料的BET比表面积为1m 2 / g以上且小于20m 2 / g。 碳质材料的每个碳质颗粒具有芯和覆盖芯的表皮。 核心包含植物来源的碳质原料的煅烧产物。 皮肤由在电子束照射时具有比芯的材料更高的电子发射能力的材料制成。
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公开(公告)号：US20170162874A1
公开(公告)日：2017-06-08
申请号：US15300382
申请日：2015-03-27
申请人： Kureha Corporation
IPC分类号： H01M4/587 , H01M4/62 , H01M10/0525 , H01M4/36
CPC分类号： H01M4/587 , C01B32/05 , C01P2006/10 , C01P2006/40 , C01P2006/80 , H01G11/24 , H01G11/38 , H01G11/42 , H01G11/50 , H01M4/364 , H01M4/622 , H01M10/0525 , H01M2004/021 , H01M2004/027 , H01M2220/20 , Y02E60/122 , Y02E60/13 , Y02T10/7011 , Y02T10/7022
摘要： A carbonaceous material for a negative electrode of a non-aqueous electrolyte secondary battery with high energy density relative to volume and excellent cycle characteristics is provided. The negative electrode material for a non-aqueous electrolyte secondary battery of the present invention includes a carbon material mixture including, as an active material, a plurality of non-graphitic carbon materials. The carbon material mixture has a true density (ρBt) determined by a pycnometer method using butanol of 1.60 g/cm3 or greater and 2.05 g/cm3 or less, an atom ratio (H/C) of hydrogen atoms to carbon atoms determined by elemental analysis of 0.10 or less, and a discharge capacity at from 0 to 0.1 V based on a lithium reference electrode of 80 mAh/g or greater and 230 mAh/g or less.
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公开(公告)号：US20170141380A1
公开(公告)日：2017-05-18
申请号：US15300326
申请日：2015-03-31
申请人： Kureha Corporation
发明人： Kenta AOKI , Shota KOBAYASHI , Tatsuya YAGUCHI , Hiroshi IMOTO , Yasuhiro TADA , Naohiro SONOBE
IPC分类号： H01M4/133 , H01M4/587 , H01M10/0562 , H01M10/0525 , H01M10/0565
CPC分类号： H01M4/133 , H01M4/587 , H01M10/0525 , H01M10/0562 , H01M10/0565 , H01M2004/027 , H01M2220/20 , Y02E60/122
摘要： An object of the present invention is to provide an all-solid battery having high energy density.The problem can be solved by a negative electrode for an all-solid battery comprising: a carbonaceous material having a true density of from 1.30 g/cm3 to 1.70 g/cm3 determined by a butanol method, a specific surface area of from 0.5 to 50.0 m2/g, an average particle size Dv50 of from 1 to 50 μm, and a combustion peak T (° C.) according to differential thermal analysis and a butanol true density ρBt (g/cm3) satisfying the following formula (1): 300≦T−100×ρBt≦570 (1) and a solid electrolyte.
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公开(公告)号：US20230197956A1
公开(公告)日：2023-06-22
申请号：US17995551
申请日：2021-02-26
申请人： Kureha Corporation
发明人： Naohiro SONOBE
IPC分类号： H01M4/587 , H01M4/36 , H01M4/1393 , C08G8/10 , C01B32/05
CPC分类号： H01M4/587 , C01B32/05 , C08G8/10 , H01M4/366 , H01M4/1393 , H01M2004/027
摘要： The method of producing a carbonaceous material for a negative electrode of a nonaqueous electrolyte secondary battery includes (1) an addition condensation step of subjecting a raw material mixture composed of phenols containing 50 mass% or greater of phenol and an aldehyde to addition condensation in the presence of a sodium-based basic catalyst at less than 5 mass% relative to the raw material mixture to produce a resol type phenol resin; (2) a heat treating step of subjecting the resol type phenol resin to a main heat treatment at a temperature of from 950° C. to 1500° C. in a non-oxidizing gas atmosphere to produce a heat-treated carbon; and (3) a coating step of coating the heat-treated carbon with pyrolytic carbon to produce a carbonaceous material.
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7.发明申请公开(公告)号：US20170143763A1
公开(公告)日：2017-05-25
申请号：US15426367
申请日：2017-02-07
申请人： Kureha Corporation
发明人： Naohiro SONOBE , Takashi WAKAHOI , Takahiro AKITA
CPC分类号： A61K33/44 , A61K9/0053 , A61K9/16 , A61K45/06 , B01J20/20 , B01J20/28004 , B01J20/28011 , B01J20/28066 , B01J20/28071
摘要： An object of the present invention is to provide an orally administered adsorbent capable of adsorbing large quantities of tryptophan or indoxyl sulfate in the presence of bile acid. Accordingly, the above object can be solved by an orally administered adsorbent characterized by containing surface-modified spherical activated carbon having bulk density from 0.30 g/mL to 0.46 g/mL, a specific surface area determined by the Brunauer-Emmett-Teller (BET) method of not less than 1900 m2/g, total acidic group content from 0.30 meq/g to 1.20 meq/g, and total basic group content from 0.20 meq/g to 0.9 meq/g.
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公开(公告)号：US20170141394A1
公开(公告)日：2017-05-18
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
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 %.
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9.发明申请ORALLY ADMINISTERED ADSORBENT, THERAPEUTIC AGENT FOR RENAL DISEASE, AND THERAPEUTIC AGENT FOR LIVER DISEASE 审中-公开ORALLY ADMISISED ADSORBENT，治疗药物治疗肾病，以及肝病治疗药物公开(公告)号：US20150352150A1
公开(公告)日：2015-12-10
申请号：US14760879
申请日：2014-02-24
申请人： KUREHA CORPORATION
CPC分类号： A61K31/785 , A61K9/14 , A61K33/44 , B01J20/20 , B01J20/28004 , B01J20/28019 , B01J20/28064 , B01J20/28066
摘要： An object of the present invention is to provide surface-modified spherical activated carbon exhibiting excellent adsorption capacity for uremic substances in the body, and particularly -aminoisobutyric acid.Accordingly, provided is an orally administered adsorbent comprising surface-modified spherical active carbon containing not less than 0.5 wt % of nitrogen atoms, having a specific surface area determined by the Brunauer-Emmett-Teller (BET) method of 800 m2/g to 3000 m2/g, having an average particle size of 0.01 mm to 1 mm, and having a total acidic group content of not less than 0.30 meq/g.
摘要翻译： 本发明的目的是提供对体内尿毒症物质具有优异吸附能力的表面改性球形活性炭，特别是氨基异丁酸。 因此，提供一种口服给药的吸附剂，其包含含有不少于0.5重量％的氮原子的表面改性的球形活性炭，具有通过Brunauer-Emmett-Teller（BET）法测定的比表面积为800m 2 / g至3000 平均粒径为0.01mm〜1mm，总酸性含量为0.30meq / g以上。
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公开(公告)号：US20210234147A1
公开(公告)日：2021-07-29
申请号：US16972424
申请日：2019-06-06
发明人： Naohiro SONOBE , Mayu KOMATSU , Koji MIWA , Kokei UENO
IPC分类号： H01M4/04 , H01M4/66 , H01M10/0525
摘要： There are provided a method capable of producing a large amount of a carbonaceous material for a negative electrode of a non-aqueous electrolyte secondary battery from a carbon precursor impregnated with an alkali metal element or an alkali metal compound, and an apparatus for performing such production.
The method for producing a carbonaceous material for a negative electrode of a non-aqueous electrolyte secondary battery according to the present invention includes a heat treatment step of feeding a carbon precursor containing an elemental alkali metal and/or an alkali metal compound, heating the carbon precursor in a temperature range from 1000° C. to 1500° C. in a non-oxidizing gas atmosphere to produce a carbonaceous material, and discharging the carbonaceous material; and an exhaust gas treatment step of contacting a non-oxidizing exhaust gas containing a gas and a flying carbonaceous matter evolved in the heat treatment step with water or an aqueous solution to treat the exhaust gas.
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