CCL Industries has patented a method for fabricating electrochemical cells with water-retaining components to deliver water to the positive active material. The method involves printing layers of active materials and electrolyte, with the water-retaining component ensuring optimal water levels for efficient cell operation. GlobalData’s report on CCL Industries gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on CCL Industries, Pressure Sensitive Adhesive Tape was a key innovation area identified from patents. CCL Industries's grant share as of January 2024 was 55%. Grant share is based on the ratio of number of grants to total number of patents.

Electrochemical cells with water-retaining components

Source: United States Patent and Trademark Office (USPTO). Credit: CCL Industries Inc

A recently granted patent (Publication Number: US11881602B1) discloses a method for forming an electrochemical cell. The method involves printing a positive active material layer containing a positive active material, utilizing a pre-formed zinc foil as a negative active material layer, and printing an electrolyte layer. The electrolyte layer, crucial for facilitating ionic communication between the positive and negative active material layers, consists of water and a water-retaining component designed to deliver water to the positive active material during the cell's operation. The patent specifies that the water content in the electrochemical cell should range from 5% to 10% of the total weight of the cell, ensuring optimal performance.

Furthermore, the patent details various aspects of the electrolyte layer, including the incorporation of water-retaining components such as crystal hydrates, water-retaining polymers, and porous inorganic compounds. The electrolyte layer's composition, with water constituting 30% to 70% of its total weight, is crucial for achieving an ionic conductivity above 50 mS/cm between the positive and negative active material layers. Additionally, the patent outlines specific materials for the positive active material layer, such as manganese oxide, silver oxide, nickel oxide, and others, emphasizing the importance of maintaining the right balance of materials within the electrochemical cell. Overall, the patent provides a comprehensive guide for creating efficient and high-performance electrochemical cells through a well-defined method involving precise layering and composition techniques.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.