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。

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

Inventor： 류호석 ,  강근영 ,  권현성 ,  박철완 ,  최대철 ,  한지성 ,  이문구 ,  김창호 ,  신준호 ,  김준홍 ,  안주현 ,  안효준 ,  김기원 ,  이재영

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。

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

Inventor： 류호석 ,  강근영 ,  권현성 ,  박철완 ,  최대철 ,  한지성 ,  이문구 ,  김창호 ,  신준호 ,  김준홍 ,  안주현 ,  안효준 ,  김기원 ,  이재영

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。

公开(公告)号：KR100398468B1

公开(公告)日：2003-09-19

申请号：KR1020010007130

申请日：2001-02-13

Applicant: 임수근 ,  안효준

Inventor： 박철완 ,  류호석 ,  강근영 ,  권현성 ,  최대철 ,  한지성 ,  김창호 ,  신준호 ,  김형주 ,  김준홍 ,  안주현 ,  안효준 ,  김기원 ,  이재영 ,  허보영

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。

公开(公告)号：KR1020020066783A

公开(公告)日：2002-08-21

申请号：KR1020010007130

申请日：2001-02-13

Applicant: 임수근 ,  안효준

Inventor： 박철완 ,  류호석 ,  강근영 ,  권현성 ,  최대철 ,  한지성 ,  김창호 ,  신준호 ,  김형주 ,  김준홍 ,  안주현 ,  안효준 ,  김기원 ,  이재영 ,  허보영

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。