Rigid naphthalenediimide triangle structures

Patent metadata

Field	Value
Publication number	US-10903496-B2
Application number	US-201615074161-A
Country	US
Kind code	B2
Filing date	Mar 18, 2016
Priority date	Mar 19, 2015
Publication date	Jan 26, 2021
Grant date	Jan 26, 2021

Abstract

Provided herein are systems and devices comprising rigid macrocyclic and nanoporous compositions of electronically coupled naphthalenediimide redox-active units and methods of preparation and use thereof, for example, in the field of energy generation and storage.

First claim

The invention claimed is:

1. A cathode material comprising:
(a) a rigid, macrocyclic, nanoporous, electronically-coupled naphthalenediimide redox-active compound;
(b) a binder material;
(c) an electron-conducting additive,
wherein the cathode material is an intrinsically porous solid-state cathode material; and
wherein the cathode material has a level two-step charge/discharge profile up to a current rate of 50 C.

2. The cathode material of claim 1 , wherein the rigid, macrocyclic, nanoporous, electronically-coupled naphthalenediimide redox-active compound comprises a compound of:

and/or
(iii) lithiated derivatives of Formula (I) and/or Formula (II).

3. The cathode material of claim 1 , wherein the binder material comprises a polymer selected from the group consisting of: styrene-butadiene rubber (SBR); polyvinylidene fluoride (PVDF); polytetrafluoroethylene (PTFE); copolymer of tetrafluoroethylene, hexafluoropropylene, and vinylidene fluoride; copolymer of hexafluoropropylene and vinylidene fluoride; copolymer of tetrafluoroethylene and perfluorinated vinyl ether.

4. The cathode material of claim 1 , further comprising a solvent.

5. The cathode material of claim 1 , wherein the electron-conducting additive is a carbon or graphitic material selected from the list consisting of: a graphite, a carbon black, a graphene, a carbon nanotube, a chemically-etched or expanded soft carbon, a chemically-etched or expanded hard carbon, and an exfoliated activated carbon.

6. The cathode material of claim 1 , wherein the cathode material is present as a slurry.

7. A cathode comprising a cathode material of claim 1 .

8. The cathode of claim 7 , further comprising a foil substrate.

9. The cathode of claim 8 , wherein the foil substrate is an aluminum foil substrate.

10. A battery comprising a cathode of claim 7 .

11. The battery of claim 10 , further comprising an anode comprising:
(a) a graphite or other carbon-based active material;
(b) a binder material;
(c) an electron-conducting additive; and
(d) a copper or nickel foil substrate.

12. The battery of claim 10 , further comprising a separator.

13. The battery of claim 12 , wherein the separator comprises polypropylene (PP), polyethylene (PE), or a combination of layers thereof.

14. The battery of claim 10 , further comprising an electrolyte material.

15. The battery of claim 14 , wherein the electrolyte material comprises NiCd, NiMH, Li-ion, Li-ion polymer, lead acid, and/or alkaline.

16. The battery of claim 15 , wherein the electrolyte material comprises non-coordinating anion salts such as lithium hexafluorophosphate (LiPF 6 ), lithium hexafluoroarsenate monohydrate (LiAsF 6 ), lithium perchlorate (LiClO 4 ), lithium tetrafluoroborate (LiBF 4 ), and/or lithium triflate (LiCF 3 SO 3 ).

17. The battery of claim 10 , wherein the battery is rechargeable.

18. The cathode material of claim 1 , wherein the rigid, macrocyclic, nanoporous, electronically-coupled naphthalenediimide redox-active compound is 40-70 wt % of the cathode material.

19. A battery comprising:
(a) a cathode, the cathode comprising an intrinsically porous solid-state cathode material and a substrate, wherein the intrinsically porous solid-state cathode material comprises
(i) a rigid, macrocyclic, nanoporous, electronically-coupled naphthalenediimide redox-active compound;
(ii) a binder material; and
(iii) an electron-conducting additive,
wherein the rigid, macrocyclic, nanoporous, electronically-coupled naphthalenediimide redox-active compound is 40-70 wt % of the intrinsically porous solid-state cathode material;

(b) an anode; and
(c) an electrolyte,
wherein the battery is rechargeable and maintains discharge capacity after 300 cycles at a current rate greater than or equal to 1 C.

Assignees

• Univ Northwestern
• King Abdulaziz City For Science And Tech Kacst
• King Abdulaziz City Sci & Tech

Inventors

• Chen Dongyang
• Avestro Alyssa-Jennifer
• Sun Junling
• Erno Zachary B
• Stoddart J Fraser

Classifications

• H01M4/623

  fluorinated polymers · CPC title

• H01M4/622

  being polymers · CPC title

• H01M4/137

  Electrodes based on electro-active polymers · CPC title

• H01M2300/0037

  Mixture of solvents · CPC title

• H01M10/052

  Li-accumulators · CPC title