WO2011136551A2 - Batterie lithium-air - Google Patents

Batterie lithium-air Download PDF

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Publication number
WO2011136551A2
WO2011136551A2 PCT/KR2011/003067 KR2011003067W WO2011136551A2 WO 2011136551 A2 WO2011136551 A2 WO 2011136551A2 KR 2011003067 W KR2011003067 W KR 2011003067W WO 2011136551 A2 WO2011136551 A2 WO 2011136551A2
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WIPO (PCT)
Prior art keywords
lithium
active material
air battery
electrode active
positive electrode
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PCT/KR2011/003067
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English (en)
Korean (ko)
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WO2011136551A3 (fr
Inventor
선양국
정훈기
Original Assignee
한양대학교 산학협력단
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority claimed from KR1020110039061A external-priority patent/KR101338142B1/ko
Application filed by 한양대학교 산학협력단 filed Critical 한양대학교 산학협력단
Priority to CN201180031041.1A priority Critical patent/CN102948006B/zh
Priority to US13/643,163 priority patent/US20130089796A1/en
Publication of WO2011136551A2 publication Critical patent/WO2011136551A2/fr
Publication of WO2011136551A3 publication Critical patent/WO2011136551A3/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M12/00—Hybrid cells; Manufacture thereof
    • H01M12/08—Hybrid cells; Manufacture thereof composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present disclosure relates to a lithium air battery.
  • Lithium air batteries which are recently developed as a power source for portable electronic devices and electric vehicles, exhibit a significantly higher energy density than lithium ion batteries as they are brought into contact with air, and thus have advantages of miniaturization and light weight. to be.
  • the lithium air battery is used by injecting an electrolyte solution into a battery cell including a positive electrode including a positive electrode active material for oxidizing and reducing lithium and a negative electrode including a negative electrode active material capable of intercalating and deintercalating lithium.
  • Lithium metal is mainly used as the negative electrode active material, which causes a rapid explosion reaction when it comes in contact with moisture and rapidly oxidizes when it comes in contact with air, and loses its activity.
  • One aspect of the present invention is to provide a lithium air battery that can be commercialized and large-sized with improved stability.
  • One aspect of the present invention is a positive electrode including a current collector and a positive electrode active material layer disposed on the current collector and including a positive electrode active material; A negative electrode including a negative electrode active material; And an electrolyte solution, and the positive electrode active material includes lithium peroxide (Li 2 O 2 ), lithium oxide (Li 2 O), lithium hydroxide (LiOH), or a combination thereof, and the negative electrode active material is an alloy of lithium metal, lithium It provides a lithium air battery comprising a material that can be dope and undoped, a transition metal oxide or a combination thereof.
  • the cathode active material layer may further include a conductive material including a carbonaceous material, a metal powder, a metal fiber, or a combination thereof, and the carbonaceous material may include natural graphite, artificial graphite, carbon black, acetylene black, ketjen black, Carbon fibers, carbon nanotubes or a combination thereof may be included.
  • the cathode active material layer may further include a catalyst, wherein the catalyst is tricobalt tetraoxide (Co 3 O 4 ), manganese dioxide (MnO 2 ), cerium dioxide (CeO 2 ), platinum (Pt), gold (Au), silver ( Ag), ferric trioxide (Fe 2 O 3 ), triiron tetraoxide (Fe 3 O 4 ), nickel monoxide (NiO), copper oxide (CuO), perovskite-based catalysts, or combinations thereof.
  • the catalyst may be included in 1 to 50% by weight based on the total amount of the positive electrode active material layer.
  • the cathode active material may be included in an amount of 5 to 50 wt% based on the total amount of the cathode active material layer.
  • the alloy of the lithium metal is lithium and Na, K, Rb, Cs, Fr, Be, Mg, Ca, Sr, Si, Sb, Pb, In, Zn, Ba, Ra, Ge, Al, Sn or combinations thereof It may include an alloy of a metal containing, the material that can be doped and undoped lithium, Si, Si containing alloys, Si-C composites, SiO x (0 ⁇ x ⁇ 2), Sn, Sn containing alloys, Sn-C composite, SnO 2 or a combination thereof, and the transition metal oxide may include vanadium oxide, lithium vanadium oxide, titanium oxide or a combination thereof.
  • the lithium air battery may include a swazelok type, a coin form, or a pouch form.
  • Example 1 is a graph showing charge and discharge characteristics of a lithium air battery according to Example 1;
  • FIG. 2 is a graph showing charge and discharge characteristics of the lithium air battery according to Example 2.
  • FIG. 3 is a graph showing charge and discharge characteristics of a lithium air battery according to Comparative Example 1.
  • FIG. 4 is a graph showing charge and discharge characteristics of a lithium air battery according to Comparative Example 2.
  • a lithium air battery includes a battery cell including a positive electrode, a negative electrode facing the positive electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolyte solution impregnating the positive electrode, the negative electrode, and the separator. do.
  • the positive electrode includes a current collector and a positive electrode active material layer formed on the current collector.
  • the positive electrode active material layer includes a positive electrode active material.
  • the current collector may be aluminum (Al), nickel (Ni), iron (Fe), titanium (Ti), stainless steel, etc., but is not limited thereto.
  • Examples of the shape of the current collector include a foil shape, a plate shape, a mesh (or grid) shape, a foam (or sponge) shape, and the like, and among these, a foam (or sponge) shape excellent in current collection efficiency may be mentioned. .
  • Lithium peroxide (Li 2 O 2 ), lithium oxide (Li 2 O), lithium hydroxide (LiOH) or a combination thereof may be used as the cathode active material, and among them, lithium peroxide (Li 2 O 2 ) may be used.
  • the positive electrode active material such as Li 2 O 2 is decomposed to generate lithium ions, which move to the negative electrode, and when the discharge occurs, the positive electrode active material such as Li 2 O 2 is improved, thereby improving stability of the lithium air battery. can do.
  • the cathode active material may be included in an amount of 5 to 50 wt% based on the total amount of the cathode active material layer.
  • the positive electrode active material is included in the content range, it is possible to implement a stable lithium air battery during charging and discharging.
  • the cathode active material layer may further include at least one of a conductive material, a catalyst, and a binder.
  • the conductive material is used to impart conductivity to the electrode. Any conductive material may be used as long as it is an electron conductive material without causing chemical change in the battery. Specific examples of the conductive material may include a carbon-based material, a metal powder, a metal fiber, or a combination thereof.
  • the carbonaceous material may have a porous structure and a large specific surface area. Examples of the carbon-based material may include natural graphite, artificial graphite, carbon black, acetylene black, ketjen black, carbon fiber, carbon nanotube, or a combination thereof.
  • a metal such as copper, nickel, aluminum, or silver may be used.
  • the conductive material may be included in an amount of 30 to 50 wt% based on the total amount of the cathode active material layer. When the conductive material is included in the content range, it is possible to implement a stable lithium air battery during charging and discharging.
  • the catalyst is supported on the conductive material and serves to help the decomposition of the cathode active material, and specific examples thereof include tricobalt tetraoxide (Co 3 O 4 ), manganese dioxide (MnO 2 ), cerium dioxide (CeO 2 ), and platinum (Pt). , Gold (Au), silver (Ag), ferric trioxide (Fe 2 O 3 ), triiron tetraoxide (Fe 3 O 4 ), nickel monoxide (NiO), copper oxide (CuO), perovskite catalyst Or a combination thereof.
  • the catalyst may be included in an amount of 1 to 50 wt% based on the total amount of the cathode active material layer.
  • the catalyst is included in the content range, it is possible to implement a stable lithium air battery during charging and discharging as the cathode active material is smoothly decomposed.
  • the binder adheres positively to the positive electrode active material particles, and also adheres the positive electrode active material to the current collector, and specific examples thereof include polyvinyl alcohol, carboxymethyl cellulose, hydroxypropyl cellulose, diacetyl cellulose, polyvinyl chloride, Carboxylated polyvinylchloride, polyvinylfluoride, polymers including ethylene oxide, polyvinylpyrrolidone, polyurethane, polytetrafluoroethylene, polyvinylidene fluoride, polyethylene, polypropylene, styrene-butadiene rubber , Acrylated butadiene rubber, epoxy resin, nylon, and the like, but is not limited thereto.
  • the binder may be included in an amount of 5 to 30 wt% based on the total amount of the cathode active material layer. When the binder is included in the content range, it is possible to implement a stable lithium air battery during charging and discharging.
  • the positive electrode is designed by exposing to air when manufacturing a lithium air battery. As the positive electrode is exposed to air, oxygen generated by the decomposition of the positive electrode active material may escape to the outside of the battery, thereby preventing the electrolyte from being oxidized due to the generated oxygen. In addition, when a small spark occurs, it can be exploded due to oxygen, which can be prevented, and can also prevent the volume expansion of the battery due to oxygen.
  • the negative electrode includes a current collector and a negative electrode active material layer formed on the current collector.
  • the negative electrode active material layer includes a negative electrode active material.
  • the current collector may be copper foil, nickel foil, stainless steel foil, titanium foil, nickel foam (foam), copper foam, a polymer substrate coated with a conductive metal, or a combination thereof, but is not limited thereto.
  • the negative electrode active material may be an alloy of lithium metal, a material capable of doping and undoping lithium, a transition metal oxide, or a combination thereof.
  • a lithium air battery according to an embodiment using the negative electrode active material it can significantly increase the stability compared to the case of using lithium metal.
  • alloy of the lithium metal lithium and Na, K, Rb, Cs, Fr, Be, Mg, Ca, Sr, Si, Sb, Pb, In, Zn, Ba, Ra, Ge, Al, Sn, or a combination thereof Alloys of the metals including can be used.
  • Examples of materials capable of doping and undoping lithium include Si, Si-C composites, SiO x (0 ⁇ x ⁇ 2), and Si-Y alloys (wherein Y is an alkali metal, an alkaline earth metal, and a group 13 to 16 element). , Transition metals, rare earth elements or combinations thereof, not Si), Sn, Sn-C composites, SnO 2 , Sn-Y alloys (wherein Y is an alkali metal, an alkaline earth metal, an element of Group 13-16, a transition metal) , Rare earth elements or combinations thereof, and not Sn), and at least one of these and SiO 2 may be mixed and used.
  • the negative electrode active material When used in a lithium air battery, it has a higher theoretical capacity than the carbon-based material, and the theoretical density is also higher than that of the carbon-based material, thereby making it possible to manufacture a lithium air battery having an excellent energy density.
  • the negative electrode active materials a material capable of doping and undoping the lithium may be used, and more preferably, a Si-C composite or a Sn-C composite may be used.
  • a material capable of doping and undoping the lithium may be used, and more preferably, a Si-C composite or a Sn-C composite may be used.
  • the negative electrode active material is used in a lithium air battery, it is possible to manufacture a lithium air battery having a lower voltage band and having a large energy density due to relatively high capacity and stable life characteristics.
  • the transition metal oxide may include vanadium oxide, lithium vanadium oxide, titanium oxide, or a combination thereof, but is not limited thereto.
  • the negative active material may be included in an amount of 30 to 95 wt% based on the total amount of the negative electrode active material layer.
  • the negative electrode active material is included in the content range, it is possible to implement a stable lithium air battery during charging and discharging.
  • the negative electrode active material layer may further include at least one of a conductive material and a binder.
  • the conductive material is used to impart conductivity to the electrode. Any conductive material may be used as long as it is an electron conductive material without causing chemical change in the battery. Specific examples of the conductive material include carbon-based materials, metal powders and metal fibers, or a combination thereof.
  • the carbonaceous material may include natural graphite, artificial graphite, carbon black, acetylene black, ketjen black, carbon fiber, or a combination thereof, and the metal powder and metal fiber may be metals such as copper, nickel, aluminum, silver, and the like. It may be used. Moreover, you may use together 1 type, or 1 or more types of conductive materials, such as a polyphenylene derivative.
  • the conductive material may be included in an amount of 1 to 50 wt% based on the total amount of the anode active material layer. When the conductive material is included in the content range, it is possible to implement a stable lithium air battery during charging and discharging.
  • the binder adheres positively to the positive electrode active material particles, and also adheres the positive electrode active material to the current collector, and specific examples thereof include polyvinyl alcohol, carboxymethyl cellulose, hydroxypropyl cellulose, diacetyl cellulose, polyvinyl chloride, Carboxylated polyvinylchloride, polyvinylfluoride, polymers including ethylene oxide, polyvinylpyrrolidone, polyurethane, polytetrafluoroethylene, polyvinylidene fluoride, polyethylene, polypropylene, styrene-butadiene rubber , Acrylated butadiene rubber, epoxy resin, nylon, and the like, but is not limited thereto.
  • the binder may be included in an amount of 3 to 30 wt% based on the total amount of the anode active material layer. When the binder is included in the content range, it is possible to implement a stable lithium air battery during charging and discharging.
  • the positive electrode and the negative electrode are prepared by mixing each active material, conductive material and binder in a solvent to prepare an active material composition, and applying the composition to a current collector.
  • the positive electrode is designed by exposing to air when manufacturing a lithium air battery.
  • N-methylpyrrolidone may be used as the solvent, but is not limited thereto.
  • the separator may be a single film or a multilayer film, for example, may be made of polyethylene, polypropylene, polyvinylidene fluoride, or a combination thereof.
  • the electrolyte may be a solid electrolyte or a liquid electrolyte.
  • polyethylene oxide polypropylene oxide, polyacrylonitrile, polyvinylidene fluoride, or a combination thereof may be used.
  • liquid electrolyte a non-aqueous organic solvent can be used.
  • the non-aqueous organic solvent serves as a medium through which ions involved in the electrochemical reaction of the cell can move.
  • the non-aqueous organic solvent may be selected from carbonate, ester, ether, ketone, alcohol and aprotic solvents.
  • Examples of the carbonate solvent include dimethyl carbonate (DMC), diethyl carbonate (DEC), dipropyl carbonate (DPC), methylpropyl carbonate (MPC), and ethylpropyl carbonate ( ethylpropyl carbonate (EPC), methylethyl carbonate (MEC), ethylmethyl carbonate (EMC), ethylene carbonate (EC), propylene carbonate (PC), butylene carbonate , BC) and the like can be used.
  • DMC dimethyl carbonate
  • DEC diethyl carbonate
  • DPC dipropyl carbonate
  • MPC methylpropyl carbonate
  • EPC ethylpropyl carbonate
  • MEC methylethyl carbonate
  • EMC ethylmethyl carbonate
  • EMC ethylene carbonate
  • PC propylene carbonate
  • BC butylene carbonate
  • the ester solvent may be, for example, methyl acetate, ethyl acetate, n-propyl acetate, dimethyl acetate, methyl propionate, ethyl propionate, ⁇ -butyrolactone, decanolide, valerolactone, and merol. Valonolactone, caprolactone, and the like may be used.
  • the ether solvent for example, dibutyl ether, tetraglyme, diglyme, dimethoxyethane, 2-methyltetrahydrofuran, tetrahydrofuran, and the like may be used.
  • the ketone solvent cyclohexanone may be used. Can be.
  • ethyl alcohol, isopropyl alcohol, etc. may be used as the alcohol solvent.
  • non-aqueous organic solvent may use tetraethylene glycol dimethyl ether, ethylene glycol dimethacrylate, polyethylene glycol, polyethylene glycol dialkyl ether, polyalkyl glycol dialkyl ether, or a combination thereof.
  • the non-aqueous organic solvents may be used alone or in combination of one or more, and the mixing ratio in the case of mixing one or more may be appropriately adjusted according to the desired battery performance.
  • the electrolyte solution may include a lithium salt.
  • the lithium salt is a substance that dissolves in the non-aqueous organic solvent, acts as a source of lithium ions in the battery to enable operation of the lithium air battery, and promotes the movement of lithium ions between the positive electrode and the negative electrode. .
  • lithium salt examples include LiPF 6 , LiBF 4 , LiSbF 6 , LiAsF 6 , LiN (SO 3 C 2 F 5 ) 2 , LiC 4 F 9 SO 3 , LiClO 4 , LiAlO 2 , LiAlCl 4 , LiN (C x F 2x + 1 SO 2 ) (C y F 2y + 1 SO 2 ), where x and y are natural numbers, LiCl, LiI, LiB (C 2 O 4 ) 2 (lithium bis (oxalato) ) borate; LiBOB), or a combination thereof.
  • the concentration of the lithium salt is preferably used within the range of about 0.1M to about 2.0M.
  • concentration of the lithium salt is included in the above range, since the electrolyte has an appropriate conductivity and viscosity, it can exhibit excellent electrolyte performance, and lithium ions can move effectively.
  • the lithium air battery may be manufactured in the form of a swazelok, or may be manufactured in the form of a coin, a pouch, or the like.
  • the prepared Sn-C composite powder, polyvinylidene fluoride (PVDF) and carbon black (super P) were mixed at a weight ratio of 80:10:10, respectively, and dispersed in N-methyl-2-pyrrolidone to prepare a negative electrode active material.
  • Lithium peroxide (Li 2 O 2 ), polyvinylidene fluoride (PVDF) and carbon black (super P) were mixed at a weight ratio of 45:10:45, respectively, dispersed in N-methyl-2-pyrrolidone to give a positive electrode.
  • An active material layer composition is prepared. After casting the cathode active material layer composition on an aluminum mesh, the cast electrode was dried in an oven at 100 ° C. for 2 hours, and vacuum dried for 12 hours or more to prepare a cathode.
  • Swagelok type lithium air battery is fabricated using the prepared separator of the cathode and anode and the porous polyethylene membrane (Celgard 3501, Celgard 3501). At this time, the anode is manufactured to have a hole in order to pass oxygen well.
  • An electrolyte solution in which LiPF 6 is dissolved at a concentration of 1 M is injected into a mixed solution having a mixing volume ratio of 3: 7 between ethylene carbonate (EC) and dimethyl carbonate (DMC) between the positive electrode and the negative electrode.
  • Si powder of 100 nm size and natural graphite powder of 5 ⁇ m size are mixed in a weight ratio of 30:70, which is mixed in a tetrahydrofuran solution.
  • 33 parts by weight of pitch are mixed with respect to 100 parts by weight of the mixed solution, followed by ball milling for 12 hours.
  • the mixed solution was dried in a vacuum oven at 100 ° C. for 6 hours, and then heat-treated at 1000 ° C. for 5 hours in an Ar atmosphere to prepare a Si-C composite.
  • the prepared Si-C composite powder, carbon black (super P), carboxymethylcellulose and styrene-butadiene rubber were mixed with water in a weight ratio of 85: 5: 3.3: 6.7, respectively, to prepare a negative electrode active material layer composition.
  • the cast electrode is dried in an oven at 100 °C for 2 hours, and vacuum dried for 12 hours or more to prepare a negative electrode.
  • Lithium peroxide (Li 2 O 2), polyvinylidene fluoride (PVDF), and carbon black (super P) were mixed each in a weight ratio of 45:10:45, N- methyl-pyrrolidone and dispersed in the positive An active material layer composition is prepared. After casting the cathode active material layer composition on an aluminum mesh, the cast electrode was dried in an oven at 100 ° C. for 2 hours, and vacuum dried for 12 hours or more to prepare a cathode.
  • Swagelok type lithium air battery is fabricated using the prepared separator of the cathode and anode and the porous polyethylene membrane (Celgard 3501, Celgard 3501). At this time, the anode is manufactured to have a hole in order to pass oxygen well.
  • An electrolyte solution in which LiPF 6 is dissolved at a concentration of 1 M is injected into a mixed solution having a mixing volume ratio of 3: 7 between ethylene carbonate (EC) and dimethyl carbonate (DMC) between the positive electrode and the negative electrode.
  • Lithium peroxide (Li 2 O 2 ), polyvinylidene fluoride (PVDF) and carbon black (super P) were mixed at a weight ratio of 45:10:45, respectively, dispersed in N-methyl-2-pyrrolidone to give a positive electrode.
  • An active material layer composition was prepared.
  • the cathode active material layer composition was coated on a current collector of nickel foam to prepare a cathode after drying and rolling.
  • MCMB Artificial graphite
  • PVDF polyvinylidene fluoride
  • super P carbon black
  • Swagelok type lithium air battery is fabricated using the prepared separator of the cathode and anode and the porous polyethylene membrane (Celgard 3501, Celgard 3501). At this time, the anode is manufactured to have a hole in order to pass oxygen well.
  • the electrolyte is prepared by injecting an electrolyte solution in which LiPF 6 is dissolved at a concentration of 1 M into a mixed solution having a mixing volume ratio of 3: 7 between ethylene carbonate (EC) and dimethyl carbonate (DMC) between the positive electrode and the negative electrode.
  • Comparative Example 1 the catalyst MnO 2 (5 parts by weight based on 100 parts by weight of carbon black) supported on lithium peroxide (Li 2 O 2 ), polyvinylidene fluoride (PVDF), and carbon black (super P) was respectively 45:10.
  • a lithium air battery was manufactured in the same manner as in Comparative Example 1, except that the positive electrode was prepared by mixing at a weight ratio of: 45.
  • the lithium air battery of Example 1 was placed in a chamber filled with oxygen, and then charged and discharged once under a current condition of 10 mA / g at 1.2 to 4.5 V.
  • the lithium air battery of Example 2 was once charged and discharged at a current condition of 5 mA / g at 2.0 to 4.5V.
  • the lithium air batteries of Comparative Examples 1 and 2 were once charged and discharged at a current condition of 10 mA / g at 2.0 to 4.1 V.
  • FIG. 1 is a graph showing the charge and discharge characteristics of the lithium air battery according to Example 1
  • Figure 2 is a graph showing the charge and discharge characteristics of the lithium air battery according to Example 2
  • Figure 3 is lithium air according to Comparative Example 1 4 is a graph showing charge and discharge characteristics of a battery
  • FIG. 4 is a graph showing charge and discharge characteristics of a lithium air battery according to Comparative Example 2.
  • lithium peroxide Li 2 O 2
  • Sn-C composite lithium peroxide (Li as a positive electrode active material)
  • Li as a positive electrode active material
  • the charge and discharge characteristics are superior to those of Comparative Examples 1 and 2 using the carbon-based compound as the negative electrode active material.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
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Abstract

L'invention concerne une batterie lithium-air comprenant: une électrode positive contenant un collecteur de courant et une couche de matériau actif d'électrode positive située sur le collecteur de courant et comprenant un matériau actif d'électrode positive; une électrode négative contenant un matériau actif d'électrode négative; et un électrolyte. Le matériau actif d'électrode positive contient du peroxyde de lithium (Li2O2), de l'oxyde de lithium (Li2O), de l'hydroxyde de lithium (LiOH), ou une combinaison de ceux-ci, et le matériau actif d'électrode négative contient un alliage de lithium, un matériau qui peut être dopé ou non dopé avec du lithium, un oxyde de métal de transition, ou une combinaison de ceux-ci.
PCT/KR2011/003067 2010-04-27 2011-04-27 Batterie lithium-air WO2011136551A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201180031041.1A CN102948006B (zh) 2010-04-27 2011-04-27 锂空气电池
US13/643,163 US20130089796A1 (en) 2010-04-27 2011-04-27 Lithium air battery

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20100039203 2010-04-27
KR10-2010-0039203 2010-04-27
KR1020110039061A KR101338142B1 (ko) 2010-04-27 2011-04-26 리튬 공기 전지
KR10-2011-0039061 2011-04-26

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WO2011136551A2 true WO2011136551A2 (fr) 2011-11-03
WO2011136551A3 WO2011136551A3 (fr) 2012-03-01

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103035979A (zh) * 2012-12-10 2013-04-10 中南大学 一种不对称的锂氧电池
KR101544585B1 (ko) * 2012-09-27 2015-08-17 한국전기연구원 리튬 공기 전지의 양극부, 및 리튬 공기 전지의 양극부 제조 방법
KR20160068415A (ko) 2014-12-05 2016-06-15 현대자동차주식회사 리튬공기전지용 양극 및 이의 제조방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005166685A (ja) * 2005-02-07 2005-06-23 Toshiba Corp 空気リチウム二次電池
US20080280190A1 (en) * 2005-10-20 2008-11-13 Robert Brian Dopp Electrochemical catalysts
WO2009135030A1 (fr) * 2008-04-30 2009-11-05 Battelle Memorial Institute Accumulateur métal-air
US20090317724A1 (en) * 2008-06-20 2009-12-24 University Of Dayton Lithium-air cells incorporating solid electrolytes having enhanced ionic transport and catalytic activity

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005166685A (ja) * 2005-02-07 2005-06-23 Toshiba Corp 空気リチウム二次電池
US20080280190A1 (en) * 2005-10-20 2008-11-13 Robert Brian Dopp Electrochemical catalysts
WO2009135030A1 (fr) * 2008-04-30 2009-11-05 Battelle Memorial Institute Accumulateur métal-air
US20090317724A1 (en) * 2008-06-20 2009-12-24 University Of Dayton Lithium-air cells incorporating solid electrolytes having enhanced ionic transport and catalytic activity

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101544585B1 (ko) * 2012-09-27 2015-08-17 한국전기연구원 리튬 공기 전지의 양극부, 및 리튬 공기 전지의 양극부 제조 방법
CN103035979A (zh) * 2012-12-10 2013-04-10 中南大学 一种不对称的锂氧电池
KR20160068415A (ko) 2014-12-05 2016-06-15 현대자동차주식회사 리튬공기전지용 양극 및 이의 제조방법

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