CONDUCTIVE POLYMER MATERIALS AND PREPARING METHOD AND USES THEREOF

• US 20130334467A1
• Filed: 12/30/2010
• Published: 12/19/2013
• Est. Priority Date: 12/30/2010
• Status: Active Grant

• Current Assignee: Ocean's King Lighting Science and Technology Co., Ltd.
• Original Assignee: Ocean's King Lighting Science & Technology Company Limited
• Inventors: Zhou, Mingjie, Zhong, Linglong, Wang, Yaobing
• Granted Patent: US 9,142,330 B2
• Time in Patent Office: Days
• US Class Current: 252/500
• CPC Class Codes: H01B 1/127 comprising five-membered aromatic rings in the main chain, e.g. polypyrroles, polythiophenes
• CPC Class Codes: H01G 11/36 Nanostructures, e.g. nanofibres, nanotubes or fullerenes
• CPC Class Codes: H01G 11/38 Carbon pastes or blends; Binders or additives therein
• CPC Class Codes: H01G 11/48 Conductive polymers
• CPC Class Codes: H01M 10/0525 Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
• CPC Class Codes: H01M 4/0466 Electrochemical polymerisation
• CPC Class Codes: H01M 4/137 Electrodes based on electro-active polymers
• CPC Class Codes: H01M 4/1399 of electrodes based on electro-active polymers
• CPC Class Codes: H01M 4/583 Carbonaceous material, e.g. graphite-intercalation compounds or CFx
• CPC Class Codes: H01M 4/608 containing heterocyclic rings
• CPC Class Codes: H01M 4/625 Carbon or graphite
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• CPC Class Codes: Y02E 60/13 Energy storage using capacitors

Abstract

A conductive polymer material and preparing method and uses thereof are provided. The conductive polymer material comprises conductive polymer and fluorinated graphene doping thereof. The weight ratio of the conductive polymer to the fluorinated graphene is 1:0.05-1. The conductive polymer is one of polythiophene or its derivatives, polypyrrole or its derivatives, and polyaniline or its derivatives. The cycle stability of the conductive polymer material is greatly enhanced for doping of the fluorinated graphene, and the conductive polymer contributes to the good capacitance properties. The preparing method can be operated simply with cheaper cost and lower request for equipments, and is suitable for industrial production.

Claims

1. A conductive polymer material, comprising a conductive polymer and a fluorinated graphene doped therein, wherein the mass ratio of the conductive polymer and the fluorinated graphene is 1:

0.05-1, and the conductive polymer is one of polythiophene or a derivative thereof, polypyrrole or a derivative thereof, and polyaniline or a derivative thereof.

2. The conductive polymer material according to claim 1, wherein the mass ratio of the conductive polymer and the fluorinated graphene is 1:

0.5-1.

10. A solar cell, an organic electroluminescent device, a lithium ion battery or a supercapacitor, comprising the conductive polymer material according to claim 1.

3. A method for preparing a conductive polymer material, comprising the steps of:

dissolving a fluorinated graphene in a surfactant-containing solution to obtain a first solution; and

adding an organic monomer into the first solution so that the mass ratio of the organic monomer and the fluorinated graphene is 1;

0.05-1, adding an electrolyte, placing a working electrode and a counter electrode, and electrifying to conduct an electrochemical polymerization to obtain the conductive polymer material, wherein the organic monomer is one of aniline or a derivative thereof, pyrrole or a derivative thereof and thiophene or a derivative thereof.

4. The method for preparing a conductive polymer material according to claim 3, wherein the method further comprises the following step of preparing the fluorinated graphene:

under a moisture-free and oxygen-free condition, adding graphene into a reactor, charging fluorine gas or a mixed gas of fluorine gas and an inert gas, reacting at a temperature of 50-500°

C. for 3-120 h to give the fluorinated graphene.

5. The method for preparing a conductive polymer material according to claim 3, wherein the surfactant is an anionic surfactant, a cationic surfactant, a non-ionic surfactant or an amphoteric surfactant.

6. The method for preparing a conductive polymer material according to claim 5, wherein the working electrode is a substrate for an electrode plate of a supercapacitor.

7. The method for preparing a conductive polymer material according to claim 3, wherein the mass fraction of the fluorinated graphene in the first solution is 0.01-0.1%.

8. The method for preparing a conductive polymer material according to claim 3, wherein, after the organic monomer is added into the first solution, the concentration of the organic monomer is 0.01-0.6 mol/L.

9. The method for preparing a conductive polymer material according to claim 3, wherein the current density applied in the electrochemical polymerization is 0.1 to 10 mA/cm².