High surface area polymer actuator with gas mitigating components

• US 9,500,186 B2
• Filed: 01/31/2011
• Issued: 11/22/2016
• Est. Priority Date: 02/01/2010
• Status: Expired due to Fees

• Current Assignee: Medipacs, Inc.
• Original Assignee: Medipacs, Inc.
• Inventors: Banister, Mark, Clark, Raymond, Coiner, Erich, Geronov, Yordan M., McWilliams, Mark D., Van Veen, Mark A.
• Primary Examiner(s): Kenerly, Terrance
• Application Number:
  US13/018,024
• Publication Number:
  US 20120029430A1
• Time in Patent Office: 2,122 Days
• Field of Search: 424/486, 435/173.6
• US Class Current: 1/1
• CPC Class Codes: F03G 7/005 Electro-chemical actuators; Actuators having a material for absorbing or desorbing gas, e.g. a metal hydride; Actuators using the difference in osmotic pressure between fluids; Actuators with elements stretchable when contacted with liquid rich in ions, with UV light, with a salt solution
• CPC Class Codes: H10N 30/857 Macromolecular compositions
• CPC Class Codes: H10N 30/877 Conductive materials
• CPC Class Codes: Y02E 10/30 Energy from the sea, e.g. using wave energy or salinity gradient

Abstract

A polymer actuator component and a polymer actuator assembly, power supply and method of using the activation are described.

Claims

1. An electro-activated polymer actuator device, comprising in combination,

an electrolyte;

a sealed outer housing holding the electrolyte, and formed of a flexible metalized polyethylene film material non-permeable by the electrolyte;

a semi-porous membrane material dividing the outer housing into a first space and a second space;

a polymer actuator material contained in a semi-porous housing in the first space;

a first electrode in contact with the polymer actuator material in the first space; and

a second electrode having a double layer capacitive layer coating formed of a carbon polytetrafluoroethylene (PTFE) coating layer in the second space, and

wherein the sealed outer housing is provided with excess material to allow for expansion of the outer housing.

2. The device of claim 1, wherein the polymer actuator device is activated electrically.

3. The device of claim 1, wherein the polymer actuator device is activated chemically.

4. The device of claim 1, wherein the double layer capacitor electrode is in a non-aqueous electrolyte.

5. The device of claim 1, wherein the double layer capacitor electrode is in a aqueous electrolyte.

6. The device of claim 1, wherein the double layer capacitor electrode is connected to a discharge circuit, and wherein the discharge circuit is in electrical contact with a controller.

7. The device of claim 6 wherein the discharge circuit includes a storage device to store and reuse electrical charge.

8. The device of claim 6, wherein the controller is configured to open and close the discharge circuit at a predetermined time or upon the accumulation of a specified amount of charge in the system.

9. The device of claim 1, comprising two or more of said polymer actuator devices connected in series, forming a pump.

10. The device of claim 1, wherein the first electrode and the second electrode each have a double layer capacitive layer coating.