Location History:
- Toronto, CA (1994 - 2004)
- Mississauga, CA (2004 - 2011)
Company Filing History:
7 out of 14 
5 out of 7 
4 out of 4 Years Active: 1994-2011
Title: Innovations by Sankar Dasgupta: A Pioneer in Polymer Electrolytes for Lithium Batteries
Introduction: Sankar Dasgupta, based in Toronto, CA, is an accomplished inventor known for his contributions to the field of polymer electrolytes, particularly in rechargeable lithium batteries. With a remarkable portfolio of 28 patents, Dasgupta has made significant strides in enhancing battery technology, paving the way for more efficient energy storage solutions.
Latest Patents: One of Dasgupta's latest innovations includes the development of composite polymer electrolytes for rechargeable lithium batteries. This composite electrolyte is designed for use in thin plate rechargeable lithium batteries and features a porous or micro-porous inert multi-layered polymer separator laminate. This separator carries an adherent second polymer coating that contains a dissociable lithium compound. The separator is impregnated with an organic liquid incorporating another lithium salt.
The innovation also includes a unique design where the porous or micro-porous separator laminate comprises multiple polymer layers. Notably, at least one of these layers has a melting temperature at least 20°C below that of the other layers. The composite porous electrolyte enhances the efficiency of the rechargeable lithium battery by being strategically placed between the electrodes. Additionally, some embodiments showcase a porous polymer separator sheet with a solid second polymer layer containing a dissociable lithium compound on each of its major faces.
Career Highlights: Throughout his career, Sankar Dasgupta has garnered valuable experience working at Electrovaya Inc. His expertise in polymer technology and battery systems has established him as a key player in the innovation landscape of energy storage solutions.
Collaborations: Dasgupta has collaborated with notable individuals in his field, including James K Jacobs and Rakesh Bhola. These partnerships have further enhanced his innovative capabilities, leading to significant advancements in rechargeable battery technologies.
Conclusion: Sankar Dasgupta exemplifies the spirit of innovation within the realm of energy storage, contributing cutting-edge solutions that push the boundaries of current technology. With his numerous patents, he continues to inspire future developments in rechargeable lithium batteries and beyond.