# US 10,373,766 B2 · Method of producing a super-capacitor

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- Number: US 10,373,766 B2
- Document ID: US10373766B2
- Status: Granted
- Kind: B2
- Application number: 16/140,406
- Filed: 2018-09-24
- Published: 2019-01-24
- Granted: 2019-08-06
- Earliest claimed: 2014-08-26
- Assignees: Analog Devices, Inc.
- Applicants: Analog Devices, Inc.
- Inventors: Yingqi Jiang; Kuang L. Yang
- Web page: https://patentgrep.com/patent/US10373766B2

## CPC

- H01G 11/56: Solid electrolytes, e.g. gels; Additives therein
- H01G 11/26: characterised by their structure, e.g. multi-layered, porosity or surface features
- H01G 11/84: Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- Y02E 60/13: Energy storage using capacitors
- H01G: CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE (selection of specified materials as dielectric H01B3/00; capacitors having potential barriers H10D1/62, H10K10/10)
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

A method of fabricating a super-capacitor provides a substrate, and then adds an electrode and electrolyte template film, having a well for receiving the electrode, to the substrate. The method also adds a second electrolyte to the electrode and electrolyte template.

## Claims

### Claim 1

A super-capacitor, comprising:
a substrate;
an electrolyte template film having a plurality of wells and coupled to the substrate;
a plurality of electrodes disposed in the plurality of wells of the electrolyte template film, the plurality of electrodes and the electrolyte template film forming a top surface; and
an electrolyte coupled to the top surface.

### Claim 2 (depends on 1)

The super-capacitor as defined by claim 1, wherein a first electrode of the plurality of electrodes comprises a plurality of graphene monolayers.

### Claim 3 (depends on 1)

The super-capacitor as defined by claim 1, further comprising a plurality of channels in a first electrode of the plurality of the electrodes, wherein the plurality of channels are filled with the electrolyte.

### Claim 4 (depends on 1)

The super-capacitor as defined by claim 1, wherein the substrate includes a base layer and at least one additional layer on the base layer.

### Claim 5 (depends on 1)

The super-capacitor as defined by claim 1, further comprising a cap covering the electrolyte template film, the electrolyte, and the plurality of electrodes.

### Claim 6

A super-capacitor, comprising:
a substrate;
an electrolyte template film coupled to the substrate, the electrolyte template film having a well for receiving an electrode;
the electrode circumscribed by the well of the electrolyte template film and supported by the substrate; and
an electrolyte coupled to the electrode and the electrolyte template film.

### Claim 7 (depends on 6)

The super-capacitor as defined by claim 6, wherein the electrolyte template film and the electrode form a substantially planar top surface opposite the substrate.

### Claim 8 (depends on 6)

The super-capacitor as defined by claim 6, wherein the substrate has a top planar surface, further comprising a plurality of electrodes supported by the substrate, at least two of the plurality of electrodes being spaced apart with respect to the top planar surface of the substrate.

### Claim 9 (depends on 6)

The super-capacitor as defined by claim 6, wherein the substrate includes a current collector layer.

### Claim 10 (depends on 6)

The super-capacitor as defined by claim 6, wherein the electrode is supported by a portion of the substrate at a bottom of the well of the electrolyte template film.

### Claim 11 (depends on 6)

The super-capacitor as defined by claim 6, wherein the electrolyte comprises a liquid electrolyte, wherein the liquid electrolyte is drawn into at least a portion of the electrode.

### Claim 12 (depends on 6)

The super-capacitor as defined by claim 6, wherein the electrode comprises a plurality of graphene monolayers.

### Claim 13 (depends on 6)

The super-capacitor as defined by claim 6, further comprising a plurality of branches in the electrolyte, the plurality of branches rooting into the electrode.

### Claim 14 (depends on 6)

The super-capacitor as defined by claim 6, wherein the electrode is enclosed by the substrate, the electrolyte, and walls of the well of the electrolyte template film.

### Claim 15 (depends on 6)

The super-capacitor as defined by claim 6, further comprising an in-situ cap covering the electrolyte and the electrode.

### Claim 16 (depends on 15)

The super-capacitor as defined by claim 15, wherein the substrate includes a base layer and at least one additional layer on the base layer.

### Claim 17

A super-capacitor, comprising:
an electrolyte template film on a multi-layer substrate, the electrolyte template film having a well;
electrode material disposed in the well of the electrolyte template film, the well circumscribing the electrode material; and
an electrolyte coupled to the electrode material and the electrolyte template film.

### Claim 18 (depends on 17)

The super-capacitor as defined by claim 17, wherein the electrode materials is supported by a portion of the substrate at a bottom of the well of the electrolyte template film.

### Claim 19 (depends on 17)

The super-capacitor as defined by claim 17, wherein the electrolyte template film comprises cured electrolyte material.

### Claim 20 (depends on 17)

The super-capacitor as defined by claim 17, further comprising multiple structures each having an electrolyte template film and an electrode, wherein the multiple structures are stacked to form a stacked super-capacitor.