Method for manufacturing metal-organic framework, metal-organic framework, and all-solid-state battery anode including the same

Patent metadata

Field	Value
Publication number	US-2026066298-A1
Application number	US-202519076808-A
Country	US
Kind code	A1
Filing date	Mar 11, 2025
Priority date	Sep 3, 2024
Publication date	Mar 5, 2026
Grant date	—

Abstract

A method for manufacturing a metal-organic framework, a metal-organic framework manufactured therefrom, and an all-solid-state battery anode including the metal-organic framework are provided. The method includes preparing a precursor solution by introducing a basic additive into a mixed solution including a Co precursor and an organic ligand (S1), introducing an Ni precursor into the precursor solution and obtaining a precipitate (S2), and obtaining the metal-organic framework by cleaning and drying the precipitate (S3).

First claim

What is claimed is:

1 . A method for manufacturing a metal-organic framework, the method comprising:
preparing a precursor solution by introducing a basic additive into a mixed solution including a Co precursor and an organic ligand (S1); introducing an Ni precursor into the precursor solution and obtaining a precipitate (S2); and obtaining the metal-organic framework by cleaning and drying the precipitate (S3), wherein the number of moles of Co precursor used is larger than the number of moles of Ni precursor.

2 . The method of claim 1 , further comprising:
processing the precursor solution by using an ultrasonic wave after introducing the Ni precursor in the S2.

3 . The method of claim 1 , wherein a mole ratio between the Co precursor and the Ni precursor ranging from greater than 1:1 and less than or equal to 10:1.

4 . The method of claim 1 , wherein a mole ratio between the Co precursor and the organic ligand ranging from equal to or greater than 100:90 and equal to or less than 100:110.

5 . The method of claim 1 , wherein the organic ligand comprises 2,5-thiophenedicarboxylic acid, 2-nitro-1,4-benzenedicarboxylic acid, triphenylamine, 2,2′-bipyridine, or 1,10-phenanthroline, or combinations thereof.

6 . The method of claim 1 , wherein the basic additive comprises triethylamine, dimethylamine, pyridine, trimethylamine, isopropylamine, triethanolamine, or methylamine, or combinations thereof.

7 . The method of claim 1 , wherein the Co precursor comprises CoCl 2 ·6H 2 O, CoSO 4 ·6H 2 O, Co(NO 3 ) 2 ·6H 2 O, Co(C 2 H 3 O 2 ) 2 ·4H 2 O, or CoC 2 O 4 ·2H 2 O, or combinations thereof.

8 . The method of claim 1 , wherein the Ni precursor comprises NiCl 2 ·6H 2 O, NiSO 4 ·6H 2 O, Ni(NO 3 ) 2 ·6H 2 O, Ni(C 2 H 3 O 2 ) 2 ·4H 2 O, or NiC 2 O 4 ·2H 2 O, or combinations thereof.

9 . The method of claim 1 , wherein the metal-organic framework includes:
a core structure including a Co ion and the organic ligand; and a surface structure including a Ni ion and the organic ligand.

10 . A metal-organic framework comprising:
a core structure including a Co ion and an organic ligand; and a surface structure including a Ni ion and an organic ligand, wherein the metal-organic framework comprises an amount of the Co ion and an amount of the Ni ion and wherein the amount of Co ion is larger than the amount of Ni ion, in moles.

11 . The metal-organic framework of claim 10 , wherein the organic ligand comprises 2,5-thiophenedicarboxylic acid, 2-nitro-1,4-benzenedicarboxylic acid, triphenylamine, 2,2′-bipyridine, or 1,10-phenanthroline, or combinations thereof.

12 . The metal-organic framework of claim 10 , wherein a mole ratio between the Co ion and the Ni ion ranging from greater than 1:1 and less than or equal to 10:1.

13 . An all-solid-state battery anode comprising the metal-organic framework of claim 10 .

14 . An all-solid-state battery comprising the all-solid-state battery anode of claim 13 .

Assignees

• Hyundai Motor Co Ltd
• Kia Corp
• Uif Univ Industry Foundation

Inventors

• Bae Ki Yoon
• Lee Sang Heon
• Son Sam Ick
• Kim Ji Young
• Park Jong Hyeok
• Ryu Min Je

Classifications

• H01M10/0525

  Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title

• H01M2300/0068

  inorganic · CPC title

• H01M10/0562

  Solid materials · CPC title

• H01M4/0497

  Chemical precipitation · CPC title

• H01M4/60 Primary

  of organic compounds · CPC title