Nanomaterial Applications in Solar Cell Encapsulation

A method to manufacture insect repellent packaging material with improved moisture resistance. The method involves coating corrugated cardboard with a polymer solution, followed by drying and cutting to create foldable packaging. The cardboard is treated by placing a photocatalyst and insect repellent material on it before coating. The steps include compressing paper and adhesive layers, adding a corrugated medium, and optionally applying voltage to the compressed layers. The polymer coating prevents moisture penetration while the photocatalyst and insect repellent on the cardboard deteriorate insects.

Source

Colloidal quantum dot photodetectors that achieve air stability through novel encapsulation structures. The photodetectors incorporate thin films of colloidal quantum dots on integrated circuits, with a sealing layer of controlled thickness (0.5 nm to 500 nm) between the quantum dots and the circuitry. This encapsulation enables hermetic sealing and prevents air exposure while maintaining quantum dot integrity. The sealing layer can be formed using atomic layer deposition (ALD) or other surface modification techniques, allowing precise control over thickness and properties. The photodetectors can operate across 250 nm to 2400 nm spectral ranges, including X-ray detection capabilities.

Source

Encapsulation system for lithium-ion batteries that protects the contact interfaces from air and humidity while maintaining electrical integrity. The system comprises a polymer-based encapsulant that is deposited under vacuum conditions, featuring a metal foil electrical connection layer. The encapsulant is specifically designed to prevent moisture ingress while maintaining mechanical integrity, particularly for lithium-ion batteries with anodic and cathodic contact interfaces. The encapsulant's vacuum deposition process ensures a chemically uniform interface, while the metal foil connection layer provides reliable electrical contact. This innovative approach enables the creation of high-performance lithium-ion batteries with extended lifespan and low self-discharge.

Source

Encapsulation system for lithium-ion batteries that provides long-term stability and moisture protection through a rigid, impermeable barrier. The system comprises a metal foil current collector substrate, an anode layer, an electrolyte layer, a cathode layer, and a cathode current collector substrate. The current collector substrate is coated with a metal foil that is either in-situ or ex-situ with the first layer of the battery. The metal foil is then deposited on the battery using atomic layer deposition. The battery is then encapsulated with an impermeable coating layer that is deposited through PECVD or ICP-CVD. The impermeable coating layer forms a barrier that prevents moisture and air from reaching the battery components, while maintaining electrical contact between the anode and cathode.

Source

A battery encapsulation system that provides enhanced protection against moisture and air exposure while maintaining electrical integrity. The system comprises a metal foil encapsulation layer that is produced in a vacuum environment, with the metal foil being produced by rolling the metal nanoparticles. The metal foil serves as a barrier against atmospheric gases and moisture, while maintaining electrical conductivity. The encapsulation layer is applied to the battery cell edges, creating a hermetically sealed environment that prevents short circuits. The metal foil structure provides mechanical strength and electrical conductivity, while the vacuum environment ensures gas tightness. This innovative encapsulation system enables lithium-ion batteries to achieve long life and low self-discharge rates through enhanced protection against environmental degradation.

Source

A process for preparing hybrid perovskite quantum dots that enables efficient and stable synthesis through selective ligand retention. The process involves preparing first and second quantum dots with specific surface ligand compositions at target amounts, followed by ligand-mediated cation exchange to form hybrid quantum dots. The first quantum dots are retained at their target ligand concentration, while the second quantum dots undergo purification to achieve the desired ligand concentration. This selective ligand retention enables the formation of hybrid quantum dots with enhanced stability and performance characteristics.

Source

A method for encapsulating individual solar cells into solar cell modules that enables rapid replacement of defective cells. The encapsulation process involves integrating a single solar cell into a module using a specialized encapsulation material, which is then assembled into a complete solar cell module. This approach eliminates the need for manual handling of individual solar cells and their assembly into modules, significantly reducing the complexity and weight of solar cell modules compared to traditional encapsulation methods.

Source

Encapsulated fluorescent adhesive layer for quantum dot backlighting that reduces heating and improves performance of quantum dot white light emitters. The layer contains a modified sealant material with a specific composition for heat transfer. The sealant is made by complexing melamine and cyanuric acid into a stable hexagonal structure. This structure allows efficient heat dissipation from the quantum dots to prevent quenching due to photogenerated heat. The encapsulated adhesive layer is used in quantum dot backlights to improve device lifetime and efficiency.

Source

Battery encapsulation system for lithium-ion batteries that provides enhanced durability and long-term performance through a novel encapsulation architecture. The system employs a vacuum-processed encapsulation layer that prevents air and moisture ingress while maintaining electrical integrity. The encapsulation layer is deposited on top of a substrate with a specific chemical composition, ensuring uniform growth and preventing degradation. The system's vacuum processing eliminates the need for liquid encapsulation, which can compromise battery performance. The encapsulation layer is designed to maintain its integrity under various operating conditions, including high temperatures, while protecting the battery's internal components from environmental stressors.

Source

A coating-encapsulated thin-film solar cell that enables mass production of solar cells with improved durability and performance. The cell features a multilayer structure comprising a solar cell layer, a light scattering layer, and a paint encapsulation layer, all encapsulated by a thin film. The solar cell layer, light scattering layer, and paint encapsulation layer are arranged sequentially from top to bottom. The paint encapsulation layer provides enhanced weather resistance and aging resistance compared to traditional encapsulation methods. The coating-encapsulation architecture enables the use of a single production process for both the solar cell and encapsulation layers, significantly reducing production complexity and costs.

Source

Organic light-emitting diode (OLED) display with reduced thickness and frame width through novel encapsulation design. The display features a curved structure on both sides with an encapsulant positioned on the inner surface of the curved protective cover. This design enables the OLED array substrate to be mounted directly on the curved cover, eliminating the traditional frame structure while maintaining the display's optical performance.

Source

Reducing thermal budget in polysilicon/tunnel oxide solar cell manufacturing while maintaining high efficiency. The method involves creating a tunnel dielectric layer through a single-step process of heating a pre-oxidized substrate surface to 900°C, followed by dry oxidation. This approach eliminates the conventional need for multiple thermal steps, significantly reducing manufacturing cycle times and equipment wear while maintaining the benefits of tunnel dielectric layers.

Source

Microwave-controlled synthesis of high-purity zinc oxide nanoparticles using alginate as a precursor. The process involves the controlled burning of metal ions in alginate solutions to produce uniform zinc oxide nanoparticles, with microwave radiation enabling efficient production of significant quantities per batch. The synthesis process eliminates conventional agglomeration issues and maintains high purity and yield, making it an attractive alternative to traditional methods.

Source

Enhanced encapsulant for photovoltaic modules that prevents degradation through controlled ion permeability. The encapsulant composition combines a conventional EVA copolymer with an enhanced anti-particle delivery copolymer (ANPC) that selectively prevents ion migration to the solar cell surface. This dual-component approach ensures the encapsulant maintains its protective properties while maintaining the solar cell's integrity.

Source

Preparation of carbon cloth loaded Ni-S-Se nanosheet arrays with enhanced catalytic hydrogen production properties through a simple and cost-effective process. The method involves depositing Ni-S-Se nanosheets onto carbon cloth substrates, which are then processed through a controlled chemical vapor deposition (CVD) process to create the nanosheet arrays. The resulting carbon cloth supported Ni-S-Se nanosheets exhibit superior catalytic hydrogen production capabilities through electrolysis of water, making them a promising electrocatalyst for hydrogen production applications.

Source

Organic solar cells that enhance charge collection efficiency through optimized hole transport layers. The cells employ a polymer-based organic material layer with integrated hole transport and injection functionalities, specifically designed to facilitate efficient hole transport to the external circuit while minimizing charge loss. The layer architecture enables simultaneous hole injection and collection, significantly improving charge collection efficiency compared to conventional designs. The cell structure can be configured in various orientations, including upright and inverted configurations, and can incorporate multiple layers with different functionalities.

Source

Organic solar cells that enhance charge transfer efficiency through a novel bilayer architecture. The cells feature a photoactive layer comprising an electron donor and acceptor, with a polymer interlayer that incorporates a non-fullerene-based compound. This polymer layer enables efficient charge transfer between the donor and acceptor while maintaining charge balance, thereby reducing recombination losses. The bilayer structure enables both hole and electron transport pathways to be optimized for charge collection, resulting in improved overall solar cell efficiency.

Source

Thin-film solar cell module structure and manufacturing process that enables selective removal of light absorption layers while maintaining the metal rear electrode. The process employs a substrate-incident laser to selectively remove light absorption layers and rear electrode layers through controlled laser heating, while preserving the metal rear electrode. The selective removal is achieved through precise laser wavelength selection and spatial control, enabling precise separation of the light absorption layer and rear electrode stacks. The selective removal process is performed in two laser scribing steps, with the laser operating at a wavelength that selectively targets the desired layers.

Source

Organic solar cells with metal nanostructures that exhibit enhanced light absorption and scattering through controlled near-field interactions. The solar cells incorporate regular two-dimensional metal nanostructures in their active layer, which are fabricated using a simple and scalable process. The nanostructures are arranged in a periodic pattern to optimize light absorption and scattering, leading to improved power conversion efficiency compared to conventional organic photovoltaic cells.

Source

Roll of solar cell packaging material film for photovoltaic modules that enhances adhesion through a moisture-controlled bobbin. The film, wound to 500mm to 1500mm diameter, contains a moisture level of 1000 ppm or less, specifically 750 ppm or less. This controlled moisture level prevents degradation of the film's adhesion properties, particularly when applying laminating compounds containing silane groups. The film's unique moisture profile enables improved adhesion during lamination, particularly for photovoltaic modules with encapsulated solar cells.

Source