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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：KR1020030009568A
公开(公告)日：2003-02-05
申请号：KR1020010030720
申请日：2001-06-01
Inventor： 박철완 , 이영경 , 류호석 , 강근영 , 권현성 , 신준호 , 김형주 , 김종화 , 임영택 , 정강국 , 안주현 , 안효준 , 김기원 , 이재영 , 허보영 , 임수근
IPC: H01M4/24
Abstract: PURPOSE: Provided is a novel sodium/sulfur cell which overcomes problems associated with stability and limited working temperature which are disadvantages of existing sodium/sulfur cell working in liquid state. CONSTITUTION: The sodium/sulfur cell consists of a solid sodium anode; a solid polymer electrolyte consisting of 10-98 wt% of ion conductor, 1-3 wt% of sodium salt, and 1-60 wt% of glymic solvents; and a solid sulfur anode consisting of 10-80 wt% of sulfur, 1-50 wt% of carbon, 1-50 wt% of polyethylene oxide, and 1-10 wt% of sodium salt. The sodium anode is selected from the group consisting of sodium metal, sodium powder, sodium alloy, sodium compound, and carbon containing sodium ion. The sulfur cathode is selected from the group consisting of active sulfur, organic sulfur compound, and alloy containing sulfur.
Abstract translation: 目的：提供一种新型的钠/硫电池，其克服了与稳定性和有限工作温度相关的问题，这是在液态工作的现有钠/硫电池的缺点。 构成：钠/硫电池由固体钠阳极组成; 由10-98重量％的离子导体，1-3重量％的钠盐和1-60重量％的糖溶液组成的固体聚合物电解质; 和由10-80重量％硫，1-50重量％碳，1-50重量％聚环氧乙烷和1-10重量％钠盐组成的固体硫阳极。 钠阳极选自金属钠，钠粉，钠合金，钠化合物和含钠离子的碳。 硫阴极选自活性硫，有机硫化合物和含硫合金。
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公开(公告)号：KR100402109B1
公开(公告)日：2003-10-17
申请号：KR1020010030720
申请日：2001-06-01
Inventor： 박철완 , 이영경 , 류호석 , 강근영 , 권현성 , 신준호 , 김형주 , 김종화 , 임영택 , 정강국 , 안주현 , 안효준 , 김기원 , 이재영 , 허보영 , 임수근
IPC: H01M4/24
Abstract: 본 발명의 신규한 나트륨/유황전지에 관한 것으로, 고상의 나트륨음극; 이온전도체, 나트륨염, 글리미계 용매로 이루어진 고체고분자전해질; 및 고상의 유황양극으로 이루어지며, 본 발명의 나트륨/유황전지는 액체상태에서 작동하는 기존의 나트륨/유황전지의 단점인 안전성과 300℃이상의 제한된 작동온도를 개선한 나트륨/유황전지에 관한 것으로 전지의 작동온도가 100℃이하의 온도이며 상온에서도 작동하는 우수한 뛰어난 효과가 있다.
Abstract translation: 目的：提供一种新型的钠/硫电池，它克服了现有钠/硫电池在液态下工作的缺点，即稳定性和工作温度受限的问题。 构成：钠/硫电池由固体钠阳极组成; 由10-98重量％的离子导体，1-3重量％的钠盐和1-60重量％的甘氨酸溶剂组成的固体聚合物电解质; 和由10-80重量％的硫，1-50重量％的碳，1-50重量％的聚环氧乙烷和1-10重量％的钠盐组成的固体硫阳极。 钠阳极选自金属钠，钠粉，钠合金，钠化合物和含钠离子的碳。 硫阴极选自活性硫，有机硫化合物和含硫合金。
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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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Patent Agency Ranking
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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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：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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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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