-
公开(公告)号：KR101451905B1
公开(公告)日：2014-10-23
申请号：KR1020120129470
申请日：2012-11-15
Applicant: 한국에너지기술연구원
CPC classification number: Y02E60/128
Abstract: 본 발명은 리튬-공기 전지용 양극 촉매, 그의 제조방법 및 그를 포함하는 리튬-공기 전지에 관한 것이다. 본 발명의 리튬-공기 전지용 양극 촉매의 제조방법은, 탄소나노섬유 전구체 및 금속산화물 전구체를 용매와 혼합하여 전기방사용액을 제조하는 제1 단계; 상기 제1 단계에서 제조된 전기방사용액을 전기방사(electrospinning)하여 금속산화물-탄소나노섬유 복합체를 형성하는 제2 단계; 및 상기 제2 단계에서 형성된 금속산화물-탄소나노섬유 복합체를 열처리하는 제3 단계를 포함하는 것을 특징으로 한다.
본 발명의 제조 방법에 따라 제조된 리튬-공기 전지의 양극 촉매에 따르면, 리튬-공기 전지 양극에서의 산소 반응을 촉진시켜 충전 및 방전 과전압을 낮추고 에너지 효율을 향상시킬 수 있다.Abstract translation: 锂 - 空气电池用正极催化剂，其制造方法以及使用该锂空气电池的锂 - 空气电池技术领域本发明涉及锂 - 本发明的锂空气电池用阴极催化剂的制造方法包括：第一工序，通过将碳纳米纤维前体和金属氧化物前体与溶剂混合来制备电纺丝液; 静电纺丝第一步制备的静电纺丝溶液以形成金属氧化物 - 碳纳米纤维复合材料的第二步骤; 以及第三步骤，对在第二步骤中形成的金属氧化物 - 碳纳米纤维复合材料进行热处理。
-
公开(公告)号：KR1020140065515A
公开(公告)日：2014-05-30
申请号：KR1020120129470
申请日：2012-11-15
Applicant: 한국에너지기술연구원
CPC classification number: Y02E60/128 , B01J37/08 , B01J37/348 , H01M4/90 , H01M12/08
Abstract: The present invention relates to a cathode catalyst for a lithium-air battery, a method for producing the same, and a lithium-air battery comprising the same. The method for producing a cathode catalyst for a lithium-air battery is characterized by comprising: a first step of mixing precursors of carbon nanofibers and precursors of metal oxides with a solvent to produce a solution of electrospinning; a second step of electrospinning the solution of electrospinning produced in the first step to form a metal oxide-carbon nanofiber complex; and a third step of treating the metal oxide-carbon nanofiber complex formed in the second step by heat. According to the cathode catalyst for a lithium-air battery produced by the method of the present invention, the oxygen reaction is accelerated in a cathode of a lithium-air battery to lower charging and discharging overvoltage and raise energy efficiency.
Abstract translation: 本发明涉及一种用于锂空气电池的阴极催化剂及其制造方法，以及包含该阴极催化剂的锂空气电池。 锂 - 空气电池用阴极催化剂的制造方法的特征在于，包括：将碳纳米纤维的前体和金属氧化物的前体与溶剂混合以产生静电纺丝溶液的第一步骤; 在第一步骤中产生的静电纺丝溶液静电纺丝形成金属氧化物 - 碳纳米纤维复合体的第二步骤; 以及通过加热处理在第二步骤中形成的金属氧化物 - 碳纳米纤维络合物的第三步骤。 根据本发明的方法制造的锂空气电池用阴极催化剂，在锂空气电池的阴极中加速氧反应，能够降低充放电过电压，提高能量效率。
-
公开(公告)号：KR101391700B1
公开(公告)日：2014-05-07
申请号：KR1020120046887
申请日：2012-05-03
Applicant: 한국에너지기술연구원
IPC: H01M4/90 , H01M12/06 , B01J23/755 , B01J23/10
Abstract: 본발명은리튬-공기전지용양극촉매및 그제조방법, 이를이용한리튬-공기전지에관한것으로, 더욱상세하게는전지의충-방전저장용량을향상시키고, 충-방전사이클수명을증가시킬수 있는양극촉매및 그제조방법, 이를이용한리튬-공기전지에관한것이다. 상기양극촉매는층상페로브스카이트(layered perovskite) 구조로써, 란탄및 니켈산화물을포함하는것을특징으로한다. 상기층상페로브스카이트를포함하는양극촉매를활용하여리튬-공기전지용양극을제조하고, 이를이용해리튬-공기전지를제공한다. 이는리튬-공기전지의충-방전저장용량을높이고, 충-방전사이클수명을향상시킬수 있다.
-
公开(公告)号：KR1020130123621A
公开(公告)日：2013-11-13
申请号：KR1020120046887
申请日：2012-05-03
Applicant: 한국에너지기술연구원
IPC: H01M4/90 , H01M12/06 , B01J23/755 , B01J23/10
CPC classification number: H01M4/9033 , H01M4/134 , H01M4/96 , H01M10/0568 , H01M10/0569 , H01M12/08 , H01M2300/0025 , H01M2300/0028 , Y02E60/128
Abstract: The present invention relates to a cathode catalyst for a lithium-air battery, a manufacturing method thereof, and a lithium-air battery comprising the same and, in particular, to a cathode catalyst capable of improving the storing capacity of a battery for charging and discharging electricity and increasing the cycle lifetime of charging and discharging electricity, a method thereof and a lithium-air battery comprising the same. The cathode catalyst has a layered perovskite structure and includes lanthanum and nickel oxide. A cathode for a lithium-air battery is produced by using the cathode catalyst including the layered perovskite and the lithium-air battery is provided by using the cathode. The storing capacity of a lithium-air battery for charging and discharging electricity can be increased and the cycle lifetime of charging and discharging electricity can be improved. [Reference numerals] (AA) Example 2;(BB) Example 1;(CC) Comparative example 2
Abstract translation: 本发明涉及一种用于锂空气电池的阴极催化剂及其制造方法，以及包含该锂 - 空气电池的锂空气电池，特别涉及能够提高充电用电池的蓄电容量的阴极催化剂， 放电和增加充放电的循环寿命，其方法和包含该充电电池的锂空气电池。 阴极催化剂具有层状钙钛矿结构，并且包括镧和氧化镍。 通过使用包括层状钙钛矿的阴极催化剂制造锂空气电池用阴极，利用阴极提供锂空气电池。 可以增加用于充电和放电的锂空气电池的存储容量，并且可以提高充放电的循环寿命。 （AA）实施例2（BB）实施例1;（CC）比较例2
-
-
-
Search Results
4
records
(took 0.014 seconds)
