Semiconductor device, manufacturing method thereof, and power generating device

Patent metadata

Field	Value
Publication number	US-11646451-B2
Application number	US-201916765967-A
Country	US
Kind code	B2
Filing date	Dec 18, 2019
Priority date	Jan 2, 2019
Publication date	May 9, 2023
Grant date	May 9, 2023

Abstract

The present disclosure provides a semiconductor device, a manufacturing method thereof, and a power generating device. The semiconductor device includes a substrate and a thin film battery on the substrate. The thin film battery includes at least one anode structure and at least one cathode structure on the substrate, and a solid electrolyte layer spacing the at least one anode structure apart from the at least one cathode structure. Each anode structure includes an anode current collector on a surface of the substrate and an anode layer on the surface of the substrate and connected to a side surface of the anode current collector. Each cathode structure includes a cathode current collector on the surface of the substrate and a cathode layer on the surface of the substrate and connected to a side surface of the cathode current collector.

First claim

What is claimed is:

1. A semiconductor device, comprising:
a substrate;
a thin film battery on the substrate, comprising:
at least one anode structure on the substrate, each of which comprises an anode current collector on a surface of the substrate, and an anode layer directly on the surface of the substrate and connected to a side surface of the anode current collector;
at least one cathode structure on the substrate, each of which comprises a cathode current collector on the surface of the substrate, and a cathode layer directly on the surface of the substrate and connected to a side surface of the cathode current collector; and
a solid electrolyte layer spacing the at least one anode structure apart from the at least on cathode structure; and
at least one thin film transistor on the substrate, each of which comprises:
a first electrode on the substrate;
a second electrode on the substrate;
an active layer on the substrate, wherein the active layer is between the first electrode and the second electrode and connected to the first electrode and the second electrode;
a dielectric layer on a side of the active layer facing away from the substrate; and
a gate on a side of the dielectric layer facing away from the active layer.

2. The semiconductor device according to claim 1 , wherein:
materials of the first electrode and the second electrode are the same as a material of the anode current collector; or
the materials of the first electrode and the second electrode are the same as a material of the cathode current collector.

3. The semiconductor device according to claim 1 , wherein a material of the dielectric layer is the same as a material of the solid electrolyte layer.

4. The semiconductor device according to claim 1 , wherein a material of the gate is the same as a material of the cathode current collector or a material of the anode current collector.

5. A power generating device, comprising:
the semiconductor device according to claim 1 ; and
a nano-generator electrically connected to the semiconductor device.

6. The power generating device according to claim 5 , wherein:
the nano-generator comprises a first electrode layer, a second electrode layer, and a first material layer and a second material layer between the first electrode layer and the second electrode layer, wherein the first material layer is in contact with the first electrode layer, and the second material layer is in contact with the second electrode layer; and
the at least one thin film transistor comprises:
a first thin film transistor, of which a first electrode is electrically connected to the anode current collector of the thin film battery, a second electrode and a gate each is electrically connected to the first electrode layer of the nano-generator, and
a second thin film transistor, of which a first electrode is electrically connected to the cathode current collector of the thin film battery, and a second electrode and a gate each is electrically connected to the second electrode layer of the nano-generator.

7. The power generating device according to claim 6 , wherein the first thin film transistor is an NMOS transistor, and the second thin film transistor is a PMOS transistor.

8. A manufacturing method for a semiconductor device, comprising:
forming at least one anode structure and at least one cathode structure on a substrate, wherein each of the at least one anode structure comprises an anode current collector on a surface of the substrate and an anode layer directly on the surface of the substrate and connected to a side surface of the anode current collector, and each of the at least one cathode structure comprises a cathode current collector on the surface of the substrate and a cathode layer directly on the surface of the substrate and connected to a side surface of the cathode current collector; and
forming a solid electrolyte layer on the substrate, the at least one anode structure and the at least one cathode structure, wherein the solid electrolyte layer spaces the at least one anode structure apart from the at least one cathode structure;
wherein the manufacturing method further comprises: forming at least one thin film transistor on the substrate, wherein each of the at least one thin film transistor comprises:
a first electrode on the substrate;
a second electrode on the substrate;
an active layer on the substrate, wherein the active layer is between the first electrode and the second electrode and connected to the first electrode and the second electrode;
a dielectric layer on a side of the active layer facing away from the substrate; and
a gate on a side of the dielectric layer facing away from the active layer.

9. The manufacturing method according to claim 8 , wherein the forming of the at least one anode structure and the at least one cathode structure on the substrate comprises:
forming at least one anode current collector and at least one cathode current collector spaced apart from the at least one anode current collector on the substrate;
filling an anode material between the at least one anode current collector and the at least one cathode current collector;
patterning the anode material to form the anode layer, wherein the anode layer is spaced apart from the at least one cathode current collector;
filling a cathode material between the anode layer and the at least one cathode current collector; and
patterning the cathode material to form the cathode layer, wherein the cathode layer is spaced apart from the anode layer.

10. The manufacturing method according to claim 8 , wherein the forming of the at least one anode structure and the at least one cathode structure on the substrate comprises:
forming at least one anode current collector and at least one cathode current collector spaced apart from the at least one anode current collector on the substrate;
filling a cathode material between the at least one anode current collector and the at least one cathode current collector;
patterning the cathode material to form the cathode layer, wherein the cathode layer is spaced apart from the at least one anode current collector;
filling an anode material between the cathode layer and the at least one anode current collector; and
patterning the anode material to form the anode layer, wherein the anode layer is spaced apart from the cathode layer.

11. The manufacturing method according to claim 8 , wherein the forming of the at least one anode structure and the at least one cathode structure on the substrate comprises:
forming at least one anode current collector and at least one cathode current collector spaced apart from the at least one anode current collector on the substrate;
forming the anode layer and the cathode layer by a three-dimensional printing process respectively; and
connecting the anode layer to a side surface of the at least one anode current collector, and connecting the cathode layer to a side surface of the at least one cathode current collector, wherein the cathode layer is spaced apart from the anode layer.

12. The manufacturing method according to claim 9 , wherein the forming of the at least one thin film transistor on the substrate comprises:
forming the first electrode and the second electrode spaced apart from the first electrode on the substrate during the forming of the at least one anode current collector and the at least one cathode current collector;
forming the active layer between the first electrode and the second electrode on the substrate, wherein the active layer is connected to the first electrode and the second electrode;
forming the dielectric layer on the active layer during the form

Assignees

• Boe Technology Group Co Ltd

Inventors

• Wang Zhidong
• Zhou Lijia
• Zhou Quanguo
• Lan Ronghua

Classifications

• H10D86/80

  characterised by multiple passive components, e.g. resistors, capacitors or inductors · CPC title

• Y02E60/10

  Energy storage using batteries · CPC title

• H01M6/40 Primary

  Printed batteries {, e.g. thin film batteries} · CPC title

• H01M50/284

  with incorporated circuit boards, e.g. printed circuit boards [PCB] · CPC title

• H01M10/0585 Primary

  of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators · CPC title