# US 10,312,829 B2 · Frictional electricity-generating device and a method for manufacturing the same, electronic apparatus and wearable apparatus

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- Number: US 10,312,829 B2
- Document ID: US10312829B2
- Status: Granted
- Kind: B2
- Application number: 15/096,825
- Filed: 2016-04-12
- Published: 2016-11-24
- Granted: 2019-06-04
- Earliest claimed: 2015-05-19
- Assignees: Boe Technology Group Co., Ltd.
- Applicants: Boe Technology Group Co., Ltd.
- Inventors: Zhen Liu
- Web page: https://patentgrep.com/patent/US10312829B2

## CPC

- H02N 1/04: Friction generators
- H02N: ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR

## Abstract

The present disclosure provides a frictional electricity-generating device and a method for manufacturing the same, an electronic apparatus and a wearable apparatus. The frictional electricity-generating device comprises at least one friction unit, which comprises a first conductive electrode, an organic friction unit and a second conductive electrode. The first conductive electrode and the organic friction unit can generate electricity by contact friction, the first conductive electrode comprises a friction layer with a concave-convex friction surface, and the friction layer comprises a base layer and a metal nanowire.

## Claims

### Claim 1

A frictional electricity-generating device, wherein, the frictional electricity-generating device comprises at least one friction unit, and the friction unit comprises a first conductive electrode, a second conductive electrode, and an organic friction unit disposed between the first conductive electrode and the second conductive electrode,
and wherein the first conductive electrode and the organic friction unit can generate electricity by sliding friction between the first conductive electrode and the organic friction unit which are in contact with each other, the first conductive electrode comprises a friction layer with a concave-convex friction surface, and the friction layer comprises a base layer and a metal nanowire.

### Claim 2 (depends on 1)

The frictional electricity-generating device according to claim 1, wherein, the metal nanowire is a silver nanowire.

### Claim 3 (depends on 1)

The frictional electricity-generating device according to claim 1, wherein, the organic friction unit and the second conductive electrode are set in a form of lamination.

### Claim 4 (depends on 1)

The frictional electricity-generating device according to claim 1, wherein, the second conductive electrode and the organic friction unit can generate electricity by sliding friction, and the organic friction unit comprises: a first organic friction layer and a second organic friction layer, wherein, the first organic friction layer and the first conductive electrode are set oppositely and can generate electricity by sliding friction, and the second organic friction layer and the second conductive electrode are set oppositely and can generate electricity by sliding friction.

### Claim 5 (depends on 4)

The frictional electricity-generating device according to claim 4, wherein, the second conductive electrode comprises a friction layer with a concave-convex friction surface, and the friction layer of the second conductive electrode comprises a base layer and a metal nanowire.

### Claim 6 (depends on 1)

The frictional electricity-generating device according to claim 1, wherein, the frictional electricity-generating device further comprises:
a weighting layer, which is fixedly connected with the organic friction unit; and
a driving unit, which is connected with the weighting layer, for driving the weighting layer to move back and forth so as to bring the organic friction unit to move relative the conductive electrode.

### Claim 7 (depends on 1)

The frictional electricity-generating device according to claim 1, wherein, the driving unit is an automatic gyroscope.

### Claim 8 (depends on 1)

An electronic apparatus, comprising an electricity-consuming unit and the frictional electricity-generating device according to claim 1, wherein, the frictional electricity-generating device is connected with the electricity-consuming unit, for supplying electrical energy to the electricity-consuming unit.

### Claim 9 (depends on 8)

The electronic apparatus according to claim 8, wherein, the first conductive electrode comprises a base layer and a metal nanowire formed on the surface of the base layer.

### Claim 10 (depends on 8)

The electronic apparatus according to claim 8, wherein, the second conductive electrode and the organic friction unit can generate electricity by sliding friction, and the organic friction unit comprises a first organic friction layer and a second organic friction layer, and wherein, the first organic friction layer and the first conductive electrode are set oppositely and can generate electricity by sliding friction, and the second organic friction layer and the second conductive electrode are set oppositely and can generate electricity by sliding friction.

### Claim 11 (depends on 1)

A wearable apparatus, comprising a display unit and the frictional electricity-generating device according to claim 1, wherein the frictional electricity-generating device is connected with the display unit, for supplying electrical energy to the display unit.

### Claim 12 (depends on 11)

The wearable apparatus according to claim 11, wherein, the first conductive electrode comprises a base layer and a metal nanowire formed on the surface of the base layer.

### Claim 13 (depends on 11)

The wearable apparatus according to claim 11, wherein, the second conductive electrode and the organic friction unit can generate electricity by sliding friction, and the organic friction unit comprises a first organic friction layer and a second organic friction layer, and wherein, the first organic friction layer and the first conductive electrode are set oppositely and can generate electricity by sliding friction, and the second organic friction layer and the second conductive electrode are set oppositely and can generate electricity by sliding friction.

### Claim 14

A method for manufacturing frictional electricity-generating device which comprises at least one friction unit, the method comprising a step of forming a friction unit, wherein the friction unit comprises a first conductive electrode, a second conductive electrode, and an organic friction unit disposed between the first conductive electrode and the second conductive electrode, and wherein the first conductive electrode and the organic friction unit can generate electricity by sliding friction between the first conductive electrode and the organic friction unit which are in contact with each other, the first conductive electrode comprises a friction layer with a concave-convex friction surface, and the friction layer comprises a base layer and a metal nanowire.

### Claim 15 (depends on 4)

The frictional electricity-generating device according to claim 4, wherein, the frictional electricity-generating device also includes: two weighting layers, which are fixedly connected with the first organic friction layer and the second organic friction layer respectively; and a driving unit, which is connected with the two weighting layers, for driving the two weighting layers to move back and forth so as to respectively bring the first organic friction layer and the second organic friction layer to move back and forth respectively relative to the first conductive electrode and the second conductive electrode.

### Claim 16 (depends on 10)

The electronic apparatus according to claim 10, wherein, the frictional electricity-generating device also includes: two weighting layers, which are fixedly connected with the first organic friction layer and the second organic friction layer respectively; and a driving unit, which is connected with the two weighting layers, for driving the two weighting layers to move back and forth so as to respectively bring the first organic friction layer and the second organic friction layer to move back and forth respectively relative to the first conductive electrode and the second conductive electrode.

### Claim 17 (depends on 13)

The wearable apparatus according to claim 13, wherein, the frictional electricity-generating device also includes: two weighting layers, which are fixedly connected with the first organic friction layer and the second organic friction layer respectively; and a driving unit, which is connected with the two weighting layers, for driving the two weighting layers to move back and forth so as to respectively bring the first organic friction layer and the second organic friction layer to move back and forth respectively relative to the first conductive electrode and the second conductive electrode.

### Claim 18 (depends on 14)

The method according to claim 14, wherein, the second conductive electrode and the organic friction unit can generate electricity by sliding friction, and the organic friction unit comprises: a first organic friction layer and a second organic friction layer, wherein, the first organic friction layer and the first conductive electrode are set oppositely and can generate electricity by sliding friction, and the second organic friction layer and the second conductive electrode are set oppositely and can generate electricity by sliding friction.

### Claim 19 (depends on 18)

The method according to claim 18, wherein, the frictional electricity-generating device also includes: two weighting layers, which are fixedly connected with the first organic friction layer and the second organic friction layer respectively; and a driving unit, which is connected with the two weighting layers, for driving the two weighting layers to move back and forth so as to respectively bring the first organic friction layer and the second organic friction layer to move back and forth respectively relative to the first conductive electrode and the second conductive electrode.
