Dendritic materials for enhanced performance of energy storage devices

• US 6,399,717 B1
• Filed: 11/22/2000
• Issued: 06/04/2002
• Est. Priority Date: 03/26/1998
• Status: Expired due to Term

• Current Assignee: University of South Florida (State University System of Florida)
• Original Assignee: University of South Florida (State University System of Florida)
• Inventors: Newkome, George R., Moorefield, Charles N.
• Primary Examiner(s): Lipman, Bernard
• Application Number:
  US09/646,737
• Time in Patent Office: 559 Days
• Field of Search: 525/451, 428/310, 428/328, 428/332, 428/363, 428/391, 428/423, 428/424, 428/451
• US Class Current: 525/451
• CPC Class Codes: B82Y 10/00 Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
• CPC Class Codes: B82Y 25/00 Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
• CPC Class Codes: C08G 69/00 Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule products obtained from isocyanates or isothiocyanates C08G18/00; polyamide-imides C08G73/14
• CPC Class Codes: C08G 69/02 Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
• CPC Class Codes: C08G 69/26 derived from polyamines and polycarboxylic acids
• CPC Class Codes: C08G 83/003 Dendrimers
• CPC Class Codes: G11B 2005/3996 large or giant magnetoresistive effects [GMR], e.g. as generated in spin-valve [SV] devices
• CPC Class Codes: G11B 5/012 Recording on, or reproducing or erasing from, magnetic disks G11B17/00, G11B19/00 take precedence
• CPC Class Codes: G11B 5/3903 using magnetic thin film layers or their effects, the films being part of integrated structures
• CPC Class Codes: H01M 10/0472 Vertically superposed cells with vertically disposed plates
• CPC Class Codes: H01M 10/052 Li-accumulators
• CPC Class Codes: H01M 10/0564 the electrolyte being constituted of organic materials only
• CPC Class Codes: H01M 10/0565 Polymeric materials, e.g. gel-type or solid-type
• CPC Class Codes: H01M 2300/0082 Organic polymers
• CPC Class Codes: H01M 6/40 Printed batteries , e.g. thin film batteries
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• CPC Class Codes: Y02P 70/50 Manufacturing or production processes characterised by the final manufactured product
• CPC Class Codes: Y10T 428/249961 With gradual property change within a component
• CPC Class Codes: Y10T 428/256 Heavy metal or aluminum or compound thereof
• CPC Class Codes: Y10T 428/26 Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
• CPC Class Codes: Y10T 428/2911 : Mica flake
• CPC Class Codes: Y10T 428/2962 : Silane, silicone or siloxane in coating
• CPC Class Codes: Y10T 428/31551 : Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
• CPC Class Codes: Y10T 428/31573 : Next to addition polymer of ethylenically unsaturated monomer
• CPC Class Codes: Y10T 428/31667 : Next to addition polymer from unsaturated monomers, or aldehyde or ketone condensation product

Abstract

There is provided dendritic materials for enhanced performance of an energy storage device having a unimolecular micelle including branched building blocks. Also provided is an energy storage device having a lithium source, a hydrocarbon dendrimer based electrolyte made up of a unimolecular micelle including branched building blocks, insertional electrode, and a current conductor.

Claims

1. Dendritic materials for enhanced performance of an energy storage device, comprising a unimolecular micelle electrolyte including branched building blocks capable of triggered electrochemical discharge.

2. The dendritic materials according to claim 1, wherein said branched building blocks include polyethylene glycol functionalized, highly saturated branches.

3. The dendritic materials according to claim 1, wherein said dendritic materials have improved electrolyte stability.

4. The dendritic materials according to claim 1, wherein said dendritic materials have more efficient Lithium-ion transport.

5. The dendritic materials according to claim 1, wherein said dendritic materials have a decreased electrolyte layer thickness.

6. The dendritic materials according to claim 5, wherein said dendritic materials have greater specific energy, energy density, and battery cycle life.

7. The dendritic materials according to claim 1, wherein said dendritic materials further include linearly positioned neuromolecular arrays.

8. The dendritic materials according to claim 7, wherein said dendritic materials are grown on polyalkyn-based molecular wires.

9. The dendritic materials according to claim 1, wherein said unimolecular micelles further include logical constraints for controlling dynamic movement.

10. The dendritic materials according to claim 9, wherein said dynamic movement is torsional for allowing terminal units to be either adjacent or separated dependent upon the torsional movement.

11. The dendritic material according to claim 9, wherein said dyanmic movement is controlled by a guest molecule.

12. The dendritic material according to claim 11 wherein said dendritic material includes lipophilic centers, said guest being disposed within said lipophilic centers.

13. The dendritic material according to claim 12 wherein said guest is a counter ion selected from the group consisting essentially of CI, Br⁻

, I⁻

, (PF₆)⁻

and dendrimer-based polyions.

14. The dendritic material according to claim 13 wherein said polyion is C(CH₂OCH₂CH₂CONHC(CH₂CH₂CO₂⁻

K⁺)₃)₄).

15. The dendritic material according to claim 9, wherein said logical constraints include at least one from the group consisting of site-specific molecular recognition, disruption of internal H-bonding and swelling in void regions.

16. The dendritic materials according to claim 1, wherein said dendritic materials made polymetallic regions.

17. The dendritic material according to claim 16 wherein the polymetallic material is selected from the group consisting essentially of hexagonal, square, linear, sheet-like, three dimensional and octahedral shapes.

18. The dendritic material according to claim 17 including connectors that assist in defining geometry, said connections selected from the group consisting of bipyridal- and terpyridal-based ligands.

19. The dendritic material according to claim 16 wherein said ligands accommodate metals selected from the group consisting of Cu, Fe, Ru, Os, Zn, Co, Ni, Mn, Pd, Pt, Rh, Re, W, In, Au, and Ag.

20. An energy storage device comprising:

a lithium source;

a hydrocarbon dendrimer-based electrolyte of claim 1;

an insertion electrode; and

a current conductor.

21. A method of controlling dynamic movement of a dendrimer by inserting a guest into the dendrimer.

22. A method of improving magneto resistive and giant magneto resistive disk drive heads by:

incorporating metallodendrimers and cyclic metal arrays into magneto resistive and giant metallo resistive disk drive heads and increasing resistance and enhancing signal detection of the heads to improve performance of byte reading and detection based on electron flow pathway dispersion.