IP Library Granted Patent US 11,462,721
Granted Patent B2
US 11,462,721 · App. 16/423,843 · Granted Oct 4, 2022

Finely deposited lithium metal powder

Inventors: Marina Yakovleva (Gastonia, NC); Yuan Gao (Greenwood Village, CO); Yangxing Li (Belmont, NC); Kenneth Brian Fitch (Cherryville, NC)
Assignee: Livent USA Corp.
H01M4/0416C23C10/30C23C26/00H01M4/0402H01M4/043H01M4/134H01M4/1391H01M4/1393H01M4/1395
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Quick Facts
Patent No.
US 11,462,721
App. No.
16/423,843
Granted
Oct 4, 2022
Kind
B2
Abstract

The present invention provides a method of finely depositing lithium metal powder or thin lithium foil onto a substrate while avoiding the use of a solvent. The method includes depositing lithium metal powder or thin lithium foil onto a carrier, contacting the carrier with a substrate having a higher affinity for the lithium metal powder as compared to the affinity of the carrier for the lithium metal powder, subjecting the substrate while in contact with the carrier to conditions sufficient to transfer the lithium metal powder or lithium foil deposited on the carrier to the substrate, and separating the carrier and substrate so as to maintain the lithium metal powder or lithium metal foil, deposited on the substrate.

Claims (6)

1. A method of depositing lithium metal powder onto a substrate without the use of a solvent, said method consisting essentially of the steps of:

a) depositing stabilized lithium metal powder onto a carrier to form a single layer;

b) adhering the single layer of stabilized lithium metal powder onto the carrier;

c) contacting the carrier with a substrate;

d) transferring the single layer, of stabilized lithium metal powder adhered onto the carrier to a substrate; and

e) separating the carrier and substrate so as to maintain the single layer of stabilized lithium metal powder transferred to the substrate.

Assignments (9)
RELEASE OF SECURITY INTEREST Recorded Jul 30, 2025
From: RIO TINTO FINANCE PLC
To: LIVENT USA CORP.; ARCADIUM LITHIUM INTERMEDIATE IRL LIMITED
Reel/Frame 071886/0172 →
RELEASE OF SECURITY INTEREST IN PATENT - REEL/FRAME 047327/0058 AND 050900/0939 Recorded Mar 6, 2025
From: CITIBANK, N.A.
To: LIVENT USA CORP.
Reel/Frame 070433/0759 →
RELEASE OF SECURITY INTEREST IN PATENT - REEL/FRAME 061373/0148 Recorded Mar 6, 2025
From: C ITIBANK, N.A.
To: LIVENT USA CORP.
Reel/Frame 070433/0732 →
SECURITY INTEREST Recorded Jan 30, 2025
From: LIVENT USA CORP.; ARCADIUM LITHIUM INTERMEDIATE IRL LIMITED
To: RIO TINTO FINANCE PLC
Reel/Frame 070061/0312 →
NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS Recorded Sep 2, 2022
From: LIVENT USA CORP.
To: CITIBANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 061373/0148 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 2, 2022
From: YAKOVLEVA, MARINA; GAO, YUAN; LI, YANGXING; FITCH, KENNETH BRIAN
To: LIVENT USA CORP.
Reel/Frame 060256/0210 →
CHANGE OF NAME Recorded Jan 25, 2022
From: FMC LITHIUM USA CORP.
To: LIVENT USA CORP.
Reel/Frame 058838/0522 →
NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS Recorded Oct 31, 2019
From: FMC LITHIUM USA CORP.
To: CITIBANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 050900/0939 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 28, 2019
From: FMC CORPORATION
To: FMC LITHIUM USA CORP.
Reel/Frame 049295/0318 →
Continuity (4)
Continuation 14496453 · Sep 25, 2014
Continuation 12954988 · Nov 29, 2010
Provisional Application 61266308 · Dec 3, 2009
Related Publication 20190288271A1 · Sep 19, 2019