Company Filing History:
Years Active: 1986-2001
Title: Innovations by Purush Chalilpoyil
Introduction
Purush Chalilpoyil is a notable inventor based in Lincoln, MA (US). He has made significant contributions to the field of electrochemical cells, holding a total of five patents. His work focuses on enhancing the performance and stability of alkaline cells, which are widely used in various applications.
Latest Patents
One of Chalilpoyil's latest patents is for an alkaline cell with a semisolid cathode. This innovative design features a cathode made of manganese dioxide that remains semisolid during the discharge process. The cell includes a zinc anode and a potassium hydroxide electrolyte. The semisolid nature of the cathode reduces polarization effects and improves manganese dioxide utilization, especially under high current drain conditions. The porosity of the cathode is maintained between 45% and 70%, with a specific volume ratio of electrolyte solution to solids.
Another significant patent involves additives for electrochemical cells with zinc anodes. This invention addresses the issue of load voltage instability in zinc anodic alkaline cells. The method utilizes a gelled slurry of zinc alloy particles combined with a gelling agent and an aqueous alkaline solution. This innovative approach not only stabilizes load voltage but also minimizes hydrogen evolution without the use of mercury.
Career Highlights
Chalilpoyil is currently associated with Duracell Inc., a leading company in battery technology. His work at Duracell has allowed him to focus on developing advanced battery solutions that enhance performance and reliability.
Collaborations
Some of his notable coworkers include Frank E Parsen and Chih-Chung Wang. Their collaborative efforts contribute to the innovative advancements in battery technology.
Conclusion
Purush Chalilpoyil's contributions to the field of electrochemical cells demonstrate his commitment to innovation and improvement in battery technology. His patents reflect a deep understanding of materials and their applications, paving the way for more efficient energy solutions.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.