A light storage integrated assembly

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By integrating battery strings, laminates, positive electrode unit layers, and negative electrode unit layers into a photovoltaic-storage integrated module, the problems of high system complexity and large energy loss in photovoltaic power generation systems are solved, achieving efficient photoelectric conversion and energy storage, simplifying the installation process and reducing costs.

CN224521504UActive Publication Date: 2026-07-17CANNNOVATION LOW CARBON NEW ENERGY TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: CANNNOVATION LOW CARBON NEW ENERGY TECHNOLOGY CO LTD
Filing Date: 2025-08-05
Publication Date: 2026-07-17

AI Technical Summary

Technical Problem

The split design of existing photovoltaic power generation systems leads to high system complexity and large energy loss. The photovoltaic-storage integrated modules and energy storage systems need to be connected by cables, which increases the difficulty of installation and the number of failure points. In addition, there are line losses and conversion efficiency losses during energy transmission.

Method used

Design a photovoltaic-energy storage integrated module that integrates battery strings, laminates, positive electrode unit layers, separator layers, and negative electrode unit layers into a single structure, achieving integrated photoelectric conversion and energy storage, and reducing reliance on external energy storage devices.

Benefits of technology

It improves system integration and ease of use, simplifies the installation process, reduces system complexity and overall cost, and also reduces energy consumption.

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Abstract

The embodiment of the utility model provides a kind of light storage integration assembly, it is related to the field of light storage integration assembly assembly.The light storage integration assembly includes battery string, laminated part, positive unit layer, diaphragm layer and negative unit layer, the laminated part with the battery string is laminated, the positive unit layer with the laminated part is laminated, one side of the diaphragm layer with the positive unit layer is attached, the negative unit layer with the other side of the diaphragm layer is attached.In use, positive unit layer and negative unit layer and battery string and laminated part are laminated together, to form integrated structure, improve the integration, without setting up energy storage device in outside, save space, installation is more convenient.And diaphragm layer is arranged between positive unit layer and negative unit layer, to prevent short circuit.

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Claims

1. A photovoltaic-storage integrated module, characterized in that, include: Battery string (3); A laminate, wherein the laminate and the battery string (3) are stacked together; A positive electrode unit layer (7) and the laminate are stacked together; A membrane layer (8) is attached to one side of the positive electrode unit layer (7); The negative electrode unit layer (9) is attached to the other side of the separator layer (8).

2. The light and storage integrated assembly of claim 1, wherein, The positive electrode unit layer (7) includes an aluminum foil current collector layer (71) and a positive electrode slurry coating film (72). The aluminum foil current collector layer (71) and the positive electrode slurry coating film (72) are stacked together, and the positive electrode slurry coating film (72) and the separator layer (8) are bonded together.

3. The light and storage integrated assembly of claim 2, wherein, The thickness of the aluminum foil current collector layer (71) is 8μm-16μm.

4. The optical storage integration assembly of claim 2, wherein The thickness of the positive electrode slurry coating film (72) is 50μm-150μm.

5. The light and storage integrated assembly of claim 1, wherein, The negative electrode unit layer (9) includes a copper foil current collector layer (91) and a negative electrode slurry coating film (92). The copper foil current collector layer (91) and the negative electrode slurry coating film (92) are stacked together, and the negative electrode slurry coating film (92) and the separator layer (8) are bonded together.

6. The light and storage integrated assembly of claim 5, wherein, The thickness of the copper foil current collector layer (91) is 6μm-12μm.

7. The light and storage integrated assembly of claim 5, wherein, The thickness of the negative electrode slurry coating film (92) is 50μm-120μm.

8. The light and storage integrated assembly of claim 1, wherein, The diaphragm layer (8) is made of polyethylene or polypropylene.

9. The integrated photovoltaic and energy storage module according to claim 1, characterized in that, The thickness of the diaphragm layer (8) is 8μm-25μm.

10. The light and storage integrated assembly of claim 1, wherein, The laminate includes a first encapsulation layer (2), an adhesive film layer (5), and a second encapsulation layer (4). The first encapsulation layer (2) is stacked on one side of the battery string (3), the adhesive film layer (5) is stacked on the other side of the battery string (3), and the second encapsulation layer (4) is stacked on the side of the negative electrode unit layer (9) away from the separator layer (8).