-
11.
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。
-
-
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。
-
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.
-
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。
-
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。
-
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。
-
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。
-
公开(公告)号:KR1020010092552A
公开(公告)日:2001-10-26
申请号:KR1020000014565
申请日:2000-03-22
Applicant: 대한민국(관리청:특허청장, 승계청:경상대학교총장) , 안효준
IPC: C23C14/34
CPC classification number: C23C14/205 , H01M4/385
Abstract: PURPOSE: Hydrogen storage alloys that are coated with hydrogen selective membrane to selectively allow permeation of hydrogen molecular/atom/ion with excluding impurities are provided to prevent poor performance of hydrogen storage alloys according to a prior reaction between hydrogen storage alloys and oxygen/carbon monoxide. The hydrogen storage alloys are expected to exhibit prominent performances in heat pump and thermal storage system. CONSTITUTION: In one embodiment of the present invention, poly ethylene oxide powder is dissolved into acetonitrile, glass-coated, dried in atmosphere and then dried again in a vacuum oven at 60deg.C to obtain a circular transparent PEO polymer film with 95mm in diameter and 14mm in thickness. On the surface of the PEO polymer film TiNi hydrogen storage alloy thin layer is deposited for 1 hr by DC magnetron sputtering method where initial pressure of deposition is about 5x10¬-6 torr, DC voltage is 100watt, sputtering pressure is 2.2x10¬-3 torr, flow rate of Ar is 4 sccm, the distance of target and substrate is 10cm. In the DC magnetron sputtering method a Ti:Ni(60:40, 2inches) substrate is employed as a disc bulk target, wherein temperature of the substrate is kept to be 25deg.C.
Abstract translation: 目的:提供用氢选择性膜涂覆以选择性允许氢分子/原子/离子与排除杂质渗透的储氢合金,以防止储氢合金根据储氢合金和氧/一氧化碳之间的先前反应而导致性能不佳 。 储氢合金预期在热泵和蓄热系统中表现出突出的性能。 构成:在本发明的一个实施方案中,将聚环氧乙烷粉末溶解在乙腈中,玻璃涂布,在大气中干燥,然后在60℃的真空烘箱中再次干燥,得到直径为95mm的圆形透明PEO聚合物膜 厚度为14mm。 在PEO聚合物膜的表面上,通过直流磁控溅射法沉积TiNi储氢合金薄层1小时,其中初始沉积压力为约5×10 -6托,直流电压为100瓦,溅射压力为2.2×10 -3 Torr,Ar的流速为4sccm,目标和底物的距离为10cm。 在直流磁控溅射法中,使用Ti:Ni(60:40,2吋)的基板作为圆盘体靶,其中基板的温度保持在25℃。
-
公开(公告)号:KR1020010026713A
公开(公告)日:2001-04-06
申请号:KR1019990038140
申请日:1999-09-08
Applicant: 경상대학교 생산기술연구소 , 안효준 , 안인섭
Abstract: PURPOSE: A method for manufacturing an alloy using a hydrogen compound is provided in which there is no need to worry about oxidation of metal by preparing a direct reduction environment, amorphous or metastable phase alloy is easily manufactured by transfer of atom short-range of hydrogen storage alloys which is occurred during the hydrogen emission and absorption process, and a particle size of alloy powder can be decreased by using metal hydrides having very strong embrittlement, thereby easily crushing the alloy powder. CONSTITUTION: The method for manufacturing an alloy using a hydrogen compound is characterized in that a metastable phase alloy is manufactured at a lower temperature than a fusion point under the reduction environment by hydrogenation treatment milling metal hydride (MHx) powder and reaction metal (A) powder having a weak binding force with hydrogen, wherein the metal hydride (MHx) are one or more compounds selected from the group consisting of TiH2, ZrH2, LiH2, LaH2, MgH2, VH2, BeH2, CaH2, GdH2, CeH2, ErH2, PdH2, TiFeH2, ZrNiH2 and MgNiH2, and the reaction metal (A) are one or more metals selected from the group consisting of Fe, Ni, Co, Cr, V, Mn, Zn, Cu, Ag, Au, Al, Si and Ge.
Abstract translation: 目的:提供一种使用氢化合物制造合金的方法,其中通过制备直接还原环境不需要担心金属的氧化,非晶或亚稳相合金容易通过转移原子短程氢 通过使用具有非常强的脆性的金属氢化物,可以减少在氢气发射和吸收过程中发生的储存合金和合金粉末的粒度,从而容易地破碎合金粉末。 构成:使用氢化合物的合金的制造方法的特征在于,通过氢化处理研磨金属氢化物(MHx)粉末和反应金属(A),在还原环境下比在熔点低的温度下制造亚稳相合金, 具有与氢结合力弱的粉末,其中金属氢化物(MHx)是一种或多种选自TiH 2,ZrH 2,LiH 2,LaH 2,MgH 2,VH 2,BeH 2,CaH 2,GdH 2,CeH 2,ErH 2,PdH 2 ,TiFeH 2,ZrNiH 2和MgNiH 2,并且反应金属(A)是选自Fe,Ni,Co,Cr,V,Mn,Zn,Cu,Ag,Au,Al,Si和Ge中的一种或多种金属 。
-
-
-
-
-
-
-
-
-