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公开(公告)号：KR100404145B1
公开(公告)日：2003-10-30
申请号：KR1020010007131
申请日：2001-02-13
IPC: H01M10/05
CPC classification number: H01M10/052 , H01M10/0565
Abstract: 본 발명은 본 발명은 리튬유황전지용 고체고분자전해질 및 그의 제조방법에 관한 것으로 PVC(Polyacrylonitride)와 PMMA(Polymethyl-methacylate)중 선택된 어느하나의 고분자와; EC(Ethylene carbonate)와 PC(Propylene carbonate) 중 선택된 어느하나의 가소제와; 이온전도성을 높이기 위한 리튬염으로 구성되어 있고, 여기에 상기 가소제 함량비(plasticizer content = wt. of plasticizer / wt. of polymer)는 1.40에서 3.26의 비인 리튬유황전지용 고체고분자전해질이며, 상기의 리튬유황전지용 고체고분자전해질은 PVC(Polyacrylonitride)와 PMMA(Polymethyl methacylate)중 선택된 어느하나의 고분자를 제공하는 단계와; EC(Ethylene carbonate)와 PC(Propylene carbonate) 중 선택된 어느하나의 가소제를 제공하는 단계와; 이온전도성을 높이기 위한 리튬염를 제공하는 단계와; 상기 고분자,가소제와 리튬염을 균질하게 혼합시키기 위하여 애트리터형 볼밀링기를 제공하는 단계와; 상기 애트리터형 볼밀링기에서 상기 고분자,가소제와 리튬염을 혼합한 후 용매제를 사용하여 혼합용액을 제조하기 위한 볼밀링 단계와; 상기 볼밀링하여 형성된 혼합액을 건조하여 박막을 형성하는 단계로 제조한다.
따라서 본 발명은 리튬유황전지에 적합한 상온형 고체고분자전해질를 가소제와 고분자의 중량비로서 조사하여 적정비를 찾아내고, 또한, 상온에서의 방전특성을 개선시키기 위해, PMMA계 고체고분자전해질을 제조하여, 이를 리튬유황전지에 응용한 결과 방전용량은 986㎃h/g.sulfur로서 기존의 연구결과보다 우수한 방전용량을 얻었으며, 그밖에 기계적 강도와 높은 이온전도도를 동시에 만족할 수 있는 전해질의 제조가 가능한 매우 뛰어난 효과가 있다.Abstract translation: 目的：提供适用于高容量锂硫电池的固体聚电解质及其制造方法，其减少聚电解质的制造时间而不降低聚电解质的能力。 构成：锂硫电池的固体聚电解质由选自PVC（聚丙烯氮化物）和PMMA（聚甲基丙烯酸甲酯）的聚合物组成。 和选自EC（碳酸亚乙酯）和PC（碳酸亚丙酯）的增塑剂中的任何一种; 和用于增加离子传导性的锂盐。 增塑剂含量为1.40-3.26。 聚电解质通过以下步骤制备：（i）提供选自PVC和PMMA的任何一种聚合物; （ii）提供任选一种选自EC和PC的增塑剂; （iii）提供锂盐以提高离子电导率; （iv）提供磨碎机类型的球磨机以均匀混合聚合物，增塑剂和锂盐; （v）在球磨机中混合聚合物，增塑剂和锂盐，并使用溶剂形成混合溶液; 和（vi）将混合溶液干燥以形成薄膜。
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公开(公告)号：KR100337806B1
公开(公告)日：2002-05-23
申请号：KR1020000014565
申请日：2000-03-22
Applicant: 대한민국(관리청:특허청장, 승계청:경상대학교총장) , 안효준
IPC: C23C14/34
Abstract: 본 발명은 수소 내의 불순물에 의한 수소 저장 합금의 성능 저하를 방지하기 위하여 수소 분자, 원자 또는 이온만을 선택적으로 투과시킬 수 있는 수소 분리막이 수소 저장 합금 표면에 적층된 수소 저장 합금을 제공하기 위한 것이다.
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公开(公告)号：KR1020020019789A
公开(公告)日：2002-03-13
申请号：KR1020000053103
申请日：2000-09-07
Applicant: 대한민국(관리청:특허청장, 승계청:경상대학교총장) , 안효준
Inventor： 안효준 , 김기원 , 최대철 , 김창호 , 이문구 , 한지성 , 오상민 , 신준호 , 허보영 , 박철완 , 류호석 , 강근영 , 권현성 , 안주현 , 김준홍 , 한상철 , 이재영
IPC: H01M10/05
CPC classification number: H01M10/0565 , H01M10/052
Abstract: PURPOSE: Provided is a polymer electrolyte having improved mechanical strength, which is produced by adding a porous material having channels capable of the migration of ions to an ion conductive polymer. CONSTITUTION: The process comprises the steps of: stirring the ion conductive polymer selected from the group consisting of polyethylene oxide, polyacrylonitrile, and polyvinylidene fluoride for about 12 hours; impregnating a thin film of the porous material with the stirred ion conductive polymer and drying at an ordinary temperature, wherein the film type porous material is fabric, paper, or a polymer such as polypropylene and polyurethane; redrying the polymer electrolyte at 60deg.C for 12 hours under vacuum.
Abstract translation: 目的：提供具有改善的机械强度的聚合物电解质，其通过将具有能够离子迁移的通道的多孔材料添加到离子导电聚合物中而制备。 方案：该方法包括以下步骤：将选自聚环氧乙烷，聚丙烯腈和聚偏氟乙烯的离子导电聚合物搅拌约12小时; 用搅拌离子导电聚合物浸渍多孔材料的薄膜并在常温下干燥，其中薄膜型多孔材料是织物，纸或聚合物如聚丙烯和聚氨酯; 在60℃下将聚合物电解质在真空下重新搅拌12小时。
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公开(公告)号：KR100316587B1
公开(公告)日：2001-12-12
申请号：KR1019990017811
申请日：1999-05-18
Applicant: 대한민국 (경상대학교 총장) , 안효준
IPC: H01M4/60
Abstract: 본발명은높은방전용량을가지는리튬전지용유황함유양전극과그 제조방법및 그양전극을구비하는리튬전지에관한것으로, 결정질유황, 비결정질유황, CS(C:탄소, S;유황), MS(M:천이금속, S:유황)중에서선택되는하나이상의유황기저성분 10 내지 40중량%, 바람직하게는 10 내지 20중량%와, 금속및 탄소중 하나이상으로이루어지는전기전도물질및 PEO(PolyEthyleneOxide), PAN(Polyacrylo -nitrile), PVDF(Polyvinylidenefluoride)중에서선택되는하나이상의고분자전해질로이루어지는혼합물을본 발명에의한애트리터형고에너지볼밀내부에넣고, 약 1시간이내동안혼합함으로써제조된다. 이렇게제조된유황함유리튬전지용양전극은비교적짧은혼합시간을필요로하면서도유황양전극의이론방전용량인 1675mAh/g(S)의약 90%를상회하는높은방전용량을가지며, 따라서본 발명에의한양전극을구비하는리튬전지의경우우수한방전특성을가지게된다.
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公开(公告)号：KR100433702B1
公开(公告)日：2004-05-31
申请号：KR1020010007129
申请日：2001-02-13
Applicant: 안효준
IPC: H01M4/60
Abstract: PURPOSE: Provided are methods for producing a sulfur electrode of ultrahigh capacity, shelf stable lithium sulfur battery and electrolyte, having increased mechanical strength by comprising a ceramic powder and a metal powder. CONSTITUTION: The anode of ultrahigh capacity, shelf stable sulfur battery is produced by the steps of (i) providing an electrode material consisting of 10-60 wt% of sulfur, 10-30 wt% of carbon, 10-55 wt% of PEO(polyethylene oxide), 3-10 wt% of Li-salt; and (ii) mixing the electrode material using high energy ball mill. The electrolyte of ultrahigh capacity, shelf stable sulfur battery is produced by the steps of (i) providing any one of polymer selected from polyvinylidene fluoride(PVdF), PAN(polyacrylonitride) and PMMA(polymethyl-methacrylate); (ii) providing any one of plasticizer selected from EC(ethylene carbonate), PC(propylene carbonate), TG(tetra(ethylene glycol)dimethyl ether), NMP(1-methyl-2-pyrrolidinone) and DEC(diethyl carbonate); (iii) providing a lithium salt for increasing ion conductivity; and (iv) adding a metal oxide to the mixture in order to impart mechanical strength to the mixture.
Abstract translation: 目的：提供一种通过包含陶瓷粉末和金属粉末来制造具有增加的机械强度的超高容量，耐储存锂硫电池和电解质的硫电极的方法。 构成：超高容量耐贮存硫电池的阳极通过以下步骤制备：（i）提供由10-60重量％的硫，10-30重量％的碳，10-55重量％的PEO （聚环氧乙烷），3-10wt％的Li盐; 和（ii）使用高能球磨机混合电极材料。 （i）提供选自聚偏二氟乙烯（PVdF），PAN（聚丙烯腈）和PMMA（聚甲基丙烯酸甲酯）中的任何一种聚合物的步骤; （ii）提供选自EC（碳酸亚乙酯），PC（碳酸亚丙酯），TG（四（乙二醇）二甲醚），NMP（1-甲基-2-吡咯烷酮）和DEC（碳酸二乙酯）中的任一种增塑剂; （iii）提供锂盐以增加离子电导率; 和（iv）向混合物中加入金属氧化物以赋予混合物机械强度。
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Patent Agency Ranking
公开(公告)号：KR1020020066782A
公开(公告)日：2002-08-21
申请号：KR1020010007129
申请日：2001-02-13
Applicant: 안효준
IPC: H01M4/60
Abstract: PURPOSE: Provided are methods for producing a sulfur electrode of ultrahigh capacity, shelf stable lithium sulfur battery and electrolyte, having increased mechanical strength by comprising a ceramic powder and a metal powder. CONSTITUTION: The anode of ultrahigh capacity, shelf stable sulfur battery is produced by the steps of (i) providing an electrode material consisting of 10-60 wt% of sulfur, 10-30 wt% of carbon, 10-55 wt% of PEO(polyethylene oxide), 3-10 wt% of Li-salt; and (ii) mixing the electrode material using high energy ball mill. The electrolyte of ultrahigh capacity, shelf stable sulfur battery is produced by the steps of (i) providing any one of polymer selected from polyvinylidene fluoride(PVdF), PAN(polyacrylonitride) and PMMA(polymethyl-methacrylate); (ii) providing any one of plasticizer selected from EC(ethylene carbonate), PC(propylene carbonate), TG(tetra(ethylene glycol)dimethyl ether), NMP(1-methyl-2-pyrrolidinone) and DEC(diethyl carbonate); (iii) providing a lithium salt for increasing ion conductivity; and (iv) adding a metal oxide to the mixture in order to impart mechanical strength to the mixture.
Abstract translation: 目的：提供超高容量，耐贮存的锂硫电池和电解质的硫电极的制造方法，其通过包含陶瓷粉末和金属粉末而具有增加的机械强度。 构成：超高容量的阳极，储存稳定的硫电池通过以下步骤生产：（i）提供由10-60重量％的硫，10-30重量％的碳，10-55重量％的PEO组成的电极材料 （聚环氧乙烷），3-10重量％的Li-盐; 和（ii）使用高能球磨机混合电极材料。 通过以下步骤生产超高容量，稳定的硫电池的电解质：（i）提供选自聚偏二氟乙烯（PVdF），PAN（聚丙烯·氮化物）和PMMA（聚甲基丙烯酸甲酯）中的任何一种; （ii）提供选自EC（碳酸亚乙酯），PC（碳酸亚丙酯），TG（四（乙二醇）二甲醚），NMP（1-甲基-2-吡咯烷酮）和DEC（碳酸二乙酯）的任何一种增塑剂; （iii）提供锂盐以提高离子电导率; 和（iv）向混合物中加入金属氧化物以赋予混合物机械强度。
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公开(公告)号：KR1020000074102A
公开(公告)日：2000-12-05
申请号：KR1019990017811
申请日：1999-05-18
Applicant: 대한민국 (경상대학교 총장) , 안효준
IPC: H01M4/60
Abstract: PURPOSE: A high capacity sulfur anode for a lithium battery, a method for manufacturing the sulfur anode, and a lithium battery using the sulfur anode are provided to reduce the manufacturing cost and the manufacturing time of a lithium battery. CONSTITUTION: A sulfur anode for a lithium battery is comprised of a mixture of an active material comprised of a sulfur-based substance and a polymer electrolyte which is used as an electric ion conductive material and an ion conductive material. The sulfur-based substance is selected from a crystal sulfur, a non-crystal sulfur, CS, and MS. C is carbon, S is sulfur, and M is a transition metal. The weight of the sulfur-based substance is ten to forty weight percent. The sulfur anode has a discharging capacity of more than ninety percent.
Abstract translation: 目的：提供用于锂电池的高容量硫阳极，硫阳极的制造方法和使用硫阳极的锂电池，以降低锂电池的制造成本和制造时间。 构成：用于锂电池的硫阳极包括由用作电离子导电材料和离子导电材料的硫基物质和聚合物电解质组成的活性材料的混合物。 硫基物质选自结晶硫，非结晶硫，CS和MS。 C是碳，S是硫，M是过渡金属。 硫系物质的重量为10〜40重量％。 硫阳极的放电容量大于百分之九十。
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公开(公告)号：KR100398468B1
公开(公告)日：2003-09-19
申请号：KR1020010007130
申请日：2001-02-13
IPC: H01M4/60
Abstract: PURPOSE: Provided are a high capacity sulfur cathode for lithium secondary battery having excellent discharge capacity, and a method for producing the same. CONSTITUTION: The sulfur cathode for lithium battery consists of mixture of an active material consisting of sulfur-based components, and an electrolyte used as battery conducting material and ion conductor. The sulfur cathode comprises 60-80 wt% of sulfur-based components with respect to 100 wt% of the mixture. The sulfur cathode has a discharge capacity of 70% or more of theorical discharge capacity(1675 mAh/sulfur(g)). The sulfur cathode further comprises 5-20 wt% of PEO(polyethylene oxide) and 3-17 wt% of carbon in order to increase physical strength, electrical conductivity, and ion conductivity.
Abstract translation: 目的：提供一种放电容量优异的锂二次电池用高容量硫阴极及其制造方法。 构成：用于锂电池的硫阴极由包含硫基组分的活性物质和用作电池导电材料和离子导体的电解质的混合物组成。 相对于100重量％的混合物，硫阴极包含60-80重量％的硫基组分。 硫阴极的放电容量为理论放电容量的70％以上（1675mAh /硫（g））。 为了增加物理强度，电导率和离子电导率，硫阴极还包含5-20重量％的PEO（聚环氧乙烷）和3-17重量％的碳。
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公开(公告)号：KR1020020066784A
公开(公告)日：2002-08-21
申请号：KR1020010007131
申请日：2001-02-13
IPC: H01M10/05
CPC classification number: H01M10/052 , H01M10/0565
Abstract: PURPOSE: Provided are a solid polyelectrolyte suitable for high capacity lithium sulfur battery, and a method for producing the same which reduce manufacturing time of polyelectrolyte without degrading a capability of polyelectrolyte. CONSTITUTION: The solid polyelectrolyte for lithium-sulfur battery consists of any one of polymer selected from PVC(polyacrylonitride) and PMMA(polymethyl-methacrylate); and any one of plasticizer selected from EC(ethylene carbonate) and PC(propylene carbonate); and a lithium salt for increasing an ion-conductivity. The plasticizer content is 1.40-3.26. The polyelectrolyte is produced by the steps of (i) providing any one of polymer selected from PVC and PMMA; (ii) providing any one of plasticizer selected from EC and PC; (iii) providing a lithium salt for increasing an ion-conductivity; (iv) providing an attritor type of ball mill in order to homogeneously mixing the polymer, plasticizer and lithium salt; (v) mixing the polymer, plasticizer and lithium salt in the ball mill and forming a mixed solution using solvent; and (vi) drying the mixed solution to form a thin film.
Abstract translation: 目的：提供适用于高容量锂硫电池的固体聚电解质及其制造方法，其减少聚电解质的制造时间而不降低聚电解质的能力。 构成：锂硫电池的固体聚电解质由选自PVC（聚丙烯氮化物）和PMMA（聚甲基丙烯酸甲酯）的聚合物组成。 和选自EC（碳酸亚乙酯）和PC（碳酸亚丙酯）的增塑剂中的任何一种; 和用于增加离子传导性的锂盐。 增塑剂含量为1.40-3.26。 聚电解质通过以下步骤制备：（i）提供选自PVC和PMMA的任何一种聚合物; （ii）提供任选一种选自EC和PC的增塑剂; （iii）提供锂盐以提高离子电导率; （iv）提供磨碎机类型的球磨机以均匀混合聚合物，增塑剂和锂盐; （v）在球磨机中混合聚合物，增塑剂和锂盐，并使用溶剂形成混合溶液; 和（vi）将混合溶液干燥以形成薄膜。
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公开(公告)号：KR1020020066783A
公开(公告)日：2002-08-21
申请号：KR1020010007130
申请日：2001-02-13
IPC: H01M4/60
Abstract: PURPOSE: Provided are a high capacity sulfur cathode for lithium secondary battery having excellent discharge capacity, and a method for producing the same. CONSTITUTION: The sulfur cathode for lithium battery consists of mixture of an active material consisting of sulfur-based components, and an electrolyte used as battery conducting material and ion conductor. The sulfur cathode comprises 60-80 wt% of sulfur-based components with respect to 100 wt% of the mixture. The sulfur cathode has a discharge capacity of 70% or more of theorical discharge capacity(1675 mAh/sulfur(g)). The sulfur cathode further comprises 5-20 wt% of PEO(polyethylene oxide) and 3-17 wt% of carbon in order to increase physical strength, electrical conductivity, and ion conductivity.
Abstract translation: 目的：提供具有优异放电容量的锂二次电池的高容量硫阴极及其制造方法。 构成：用于锂电池的硫阴极包括由硫基组分组成的活性材料和用作电池导电材料和离子导体的电解质的混合物。 硫阴极相对于100重量％的混合物包含60-80重量％的硫基组分。 硫阴极的放电容量为理论放电容量的70％以上（1675mAh /硫（g））。 硫阴极还包含5-20重量％的PEO（聚环氧乙烷）和3-17重量％的碳，以增加物理强度，导电性和离子传导性。
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