What technology area does this patent fall under?

Primary CPC classification H01M4/8642. Mapped technology areas include Electricity.

When was this patent published?

Publication date Tue Sep 19 2023 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.

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We list 9 related publications on this page (citations in our corpus or others sharing the same primary CPC).

Cathode, lithium-air battery comprising the same, and method of preparing the cathode

US11764364B2 · US · B2

Patent metadata
Field	Value
Publication number	US-11764364-B2
Application number	US-202117153271-A
Country	US
Kind code	B2
Filing date	Jan 20, 2021
Priority date	Feb 4, 2020
Publication date	Sep 19, 2023
Grant date	Sep 19, 2023

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Title
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Abstract
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Assignees and inventors
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Key dates
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First independent claim
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CPC / IPC classifications
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Abstract

Official abstract text for this publication.

A cathode configured to use oxygen as a cathode active material includes: a porous film including a metal oxide, where a porosity of the porous film is about 50 volume percent to about 95 volume percent, based on a total volume of the porous film, and an amount of an organic component in the porous film is 0 to about 2 weight percent, based on a total weight of the porous film.

First claim

Opening claim text (preview).

What is claimed is: 1. A cathode configured to use oxygen as a cathode active material, the cathode comprising: a porous film comprising a metal oxide, wherein a porosity of the porous film is about 50 volume percent to about 95 volume percent, based on a total volume of the porous film, and an amount of an organic component in the porous film is 0 weight percent to about 2 weight percent, based on a total weight of the porous film, wherein a loading level of the porous film is about 4 milligrams per square centimeter to about 10 milligrams per square centimeter, and wherein the porous film is a self-standing film. 2. The cathode of claim 1 , wherein the metal oxide comprises a lithium-containing metal oxide. 3. The cathode of claim 1 , wherein the porous film is an inorganic film. 4. The cathode of claim 1 , wherein a size of pores included in the porous film is from about 1 nanometer to about 1 micrometer. 5. The cathode of claim 2 , wherein the lithium-containing metal oxide is a crystalline lithium ion conductor. 6. The cathode of claim 2 , wherein the lithium-containing metal oxide is a crystalline electronic conductor. 7. The cathode of claim 2 , wherein the lithium-containing metal oxide is a mixed conductor. 8. The cathode of claim 2 , wherein the lithium-containing metal oxide comprises at least one of a perovskite compound or a spinel compound. 9. The cathode of claim 2 , wherein the lithium-containing metal oxide comprises a perovskite compound represented by Formula 1: Li x A y G z O 3−δ Formula 1 wherein, in Formula 1, A and G are each independently at least one of a Group 2 to a Group 16 element, and 0<x<1, 0<y<1, 0<x+y≤1, 0<z≤1.5, is an oxygen vacancy content, and 0≤ ≤1.5. 10. The cathode of claim 9 , wherein A is at least one of H, Na, K, Rb, Cs, Ca, Sr, Ba, Y, La, Ce, Pr, Nd, Pm, Sm, Gd, Tb, Dy, Ho, or Er, G is at least one of Ti, Pd, Pb, Fe, Ir, Co, Rh, Mn, Cr, Ru, Re, Sn, V, Ge, W, Zr, Ti, Mo, Hf, U, Nb, Th, Ta, Bi, Ca, Sr, Ba, Y, La, Ce, Pr, Nd, Pm, Sm, Gd, Tb, Dy, Ho, Er, Mg, Al, Si, Sc, Zn, Ga, Rb, Ag, Cd, In, Sb, Pt, Au, or Pb, and 0.2<x≤0.7, 0<y≤0.7, 0<x+y<1, 0<z≤1.2, and 0≤ ≤1.2. 11. The cathode of claim 9 , wherein A is at least one of La, Ce, Pr, Gd, Ca, Sr, or Ba, M is at least one of Ti, Mn, Ni, Ru, Cr, Co, Ir, Fe, Pd, Pb, Rh, Sn, V, Re, Ge, W, Zr, Mo, Nb, Ta, Hf, or Bi, and 0.2<x≤0.5, 0.4<y≤0.7, 0<x+y<1, 0.8<z≤1.2, and 0≤ ≤1.0. 12. The cathode of claim 9 , wherein the perovskite compound comprises at least one of Li 0.34 La 0.55 TiO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 MnO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 NiO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 CrO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 CoO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 IrO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 RuO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 FeO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 PdO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 PbO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 RhO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 SnO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 VO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 ReO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 GeO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 WO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 ZrO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 MoO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 NbO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 TaO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 HfO 3−δ (0≤ ≤1.0), Li 0.34 La 0.55 BiO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 TiO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 MnO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 NiO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 CrO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 CoO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 IrO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 RuO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 FeO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 PdO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 PbO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 RhO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 SnO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 VO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 ReO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 GeO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 WO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 ZrO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 MoO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 NbO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 TaO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 HfO 3−δ (0≤ ≤1.0), Li 0.10 La 0.63 BiO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 TiO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 MnO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 NiO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 CrO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 CoO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 IrO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 RuO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 FeO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 PdO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 PbO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 RhO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 SnO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 VO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 ReO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 GeO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 WO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 ZrO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 MoO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 NbO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 TaO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 HfO 3−δ (0≤ ≤1.0), Li 0.20 La 0.60 BiO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 TiO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 MnO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 NiO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 CrO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 CoO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 IrO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 RuO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 FeO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 PdO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 PbO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 RhO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 SnO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 VO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 ReO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 GeO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 WO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 ZrO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 MoO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 NbO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 TaO 3−δ (0≤ ≤1.0), Li 0.30 La 0.57 HfO 3−δ (0≤δ≤1.0), Li 0.30 La 0.57 BiO 3−δ (0≤δ≤1.0), Li 0.40 La 0.53 TiO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 MnO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 NiO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 CrO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 CoO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 IrO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 RuO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 FeO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 PdO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 PbO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 RhO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 SnO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 VO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 ReO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 GeO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 WO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 ZrO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 MoO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 NbO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 TaO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 HfO 3−δ (0≤ ≤1.0), Li 0.40 La 0.53 BiO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 TiO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 MnO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 NiO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 CrO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 CoO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 IrO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 RuO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 FeO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 PdO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 PbO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 RhO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 SnO 3−δ (0≤ ≤1.0), Li 0.45 La0.52VO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 ReO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 GeO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 WO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 ZrO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 MoO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 NbO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 TaO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 HfO 3−δ (0≤ ≤1.0), Li 0.45 La 0.52 BiO 3−δ (0≤ ≤1.0), Li 0.34 Ce 0.55 TiO 3−δ (0≤ ≤1.0), Li 0.34 Ce 0.55 MnO 3−δ (0≤ ≤1.0), Li 0.34 Ce 0.55 NiO 3−δ (0≤δ≤1.0), Li 0.34 Ce 0.55 CrO 3−δ (0≤ ≤1.0), Li 0.34 Ce 0.55 CoO 3−δ (0≤ ≤1.0), Li 0.34 Ce 0.55 IrO 3−δ (0≤ ≤1.0), Li 0.34 Ce 0.55 RuO 3−δ (0≤ ≤1.0), Li 0.34 Ce 0.55 FeO 3−δ (0≤ ≤1.0), Li 0.34 Ce 0.55 PdO 3−δ (0≤ ≤1.0), Li 0.34 Ce 0.55 PbO 3−δ (0≤ ≤1.0), Li 0.34 Ce 0.55 RhO 3−δ (0≤ ≤1.0), Li 0.34 Ce 0.55 SnO 3−δ (0≤ ≤1.0), Li 0.34 Ce 0.55 VO 3−δ (0≤ ≤1.0), Li 0.

Assignees

Samsung Electronics Co Ltd

Inventors

Classifications

H01M4/8642Primary
Gradient in composition · CPC title
H01M4/8605Primary
Porous electrodes · CPC title
H01M4/8621Primary
containing only metallic or ceramic material, e.g. made by sintering or sputtering · CPC title
H01M4/8647
consisting of more than one material, e.g. consisting of composites · CPC title
H01M4/8828
Coating with slurry or ink · CPC title

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What does patent US11764364B2 cover?: A cathode configured to use oxygen as a cathode active material includes: a porous film including a metal oxide, where a porosity of the porous film is about 50 volume percent to about 95 volume percent, based on a total volume of the porous film, and an amount of an organic component in the porous film is 0 to about 2 weight percent, based on a total weight of the porous film.
Who is the assignee on this patent?: Samsung Electronics Co Ltd
What technology area does this patent fall under?: Primary CPC classification H01M4/8642. Mapped technology areas include Electricity.
When was this patent published?: Publication date Tue Sep 19 2023 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?: We list 9 related publications on this page (citations in our corpus or others sharing the same primary CPC).