US 2020/0286689 A1 · HIGH SPECIFIC CAPACITANCE SOLID STATE SUPERCAPACITOR AND METHOD OF MANUFACTURE

Abstract

A novel electrode and associated method of manufacturing said novel electrode comprising a porous structure having absorbed polystyrene sulfonate (PSS), a self-assembled polypyrole (PPy) layer adjacent to the PSS absorbed porous structure, a self-assembled polyaniline (PANI) layer adjacent to the PPy layer, an electrochemically deposited PANI layer adjacent to the PPy layer and an electrochemically deposited PANI-molybdenum disulfide (PANI-MoS2) layer adjacent to the electrochemically deposited PANI layer. A supercapacitor and associated method of manufacturing a supercapacitor comprising a first novel electrode and a second novel electrode separated by a polyvinyl gel and a porous separator.

Claims20

Dependent claims

An electrode comprising:

a porous structure having absorbed polystyrene sulfonate (PSS);
a self-assembled polypyrole (PPy) layer adjacent to the PSS absorbed porous structure;
a self-assembled polyaniline (PANI) layer adjacent to the PPy layer;
an electrochemically deposited PANI layer adjacent to the PPy layer;
and
an electrochemically deposited PANI-molybdenum disulfide (PANI-MoS2) layer adjacent to the electrochemically deposited PANI layer.

3 more elements

A supercapacitor comprising:

a first electrode comprising;
a porous structure having absorbed polystyrene sulfonate (PSS);
a self-assembled polypyrole (PPy) layer adjacent to the PSS absorbed porous structure;
a self-assembled polyaniline (PANI) layer adjacent to the PPy layer;
an electrochemically deposited PANI layer adjacent to the PPy layer;
an electrochemically deposited PANI-molybdenum disulfide (PANI-MoS2) layer adjacent to the electrochemically deposited PANI layer;
a second electrode comprising;
a porous structure having absorbed polystyrene sulfonate (PSS);
a self-assembled polypyrole (PPy) layer adjacent to the PSS absorbed porous structure;
a self-assembled polyaniline (PANI) layer adjacent to the PPy layer;
an electrochemically deposited PANI layer adjacent to the PPy layer;
an electrochemically deposited PANI-molybdenum disulfide (PANI-MoS2) layer adjacent to the electrochemically deposited PANI layer;
a first polyvinyl alcohol (PVA) layer positioned adjacent to the PANI-MoS2 layer of the first electrode;
a second polyvinyl alcohol (PVA) layer positioned adjacent to the PANI-MoS2 layer of the first electrode;
and
a separator positioned between the first PVA layer and the second PVA layer.

13 more elements

A method for manufacturing an electrode, the method comprising:

contacting a porous structure with a polyanion solution of polystyrene sulfonate (PSS) to form a porous structure/PSS substrate;
performing in-situ self-assembly polymerization of pyrrole (PPy) on the porous structure/PSS substrate to form a porous structure/PSS/PPy substrate;
performing in-situ self-assembly polymerization of polyaniline (PANI) on the porous structure/PSS/PPy substrate to form a porous structure/PSS/PPy/PANI substrate;
electrochemically depositing a layer of PANI on the porous structure/PSS/PPy/PANI substrate to form a porous structure/PSS/PPy/PANI/PANI substrate;
and
electrochemically depositing a polyaniline molybdenum disulfide (PANI-MoS2) layer over the porous structure/PSS/PPy/PANI/PANI substrate to form a porous structure/PSS/PPy/PANI/PANI/PANI-MoS2 electrode.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

16/839,161Filed 3 Apr 2020

Priority

3 Oct 2017

Published

10 Sep 2020

Term ends

Not estimatedThe source records don’t support an estimate.

Classification14 codes

H01G 11/24
Electrodes: characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity;…
H01G 11/26
Electrodes: characterised by their structure, e.g. multi-layered, porosity or surface features
H01G 11/30
Electrodes: characterised by their material
H01G 11/32
Characterised by their material: carbon-based

High specific capacitance solid state supercapacitor and method of manufacture

Life of this patent

High specific capacitance solid state supercapacitor and method of manufacture

Life of this patent

Abstract

Claims20