Osaka Gas has developed a compact and lightweight electrochemical module with a unique clamping mechanism to accommodate stack expansion. The module includes an elastic plate-like member and a clamp made of specific materials to ensure proper clamping. This innovation enhances the efficiency and reliability of electrochemical systems. GlobalData’s report on Osaka Gas 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 Osaka Gas, Reformer integrated fuel cells was a key innovation area identified from patents. Osaka Gas's grant share as of March 2024 was 39%. Grant share is based on the ratio of number of grants to total number of patents.
Electrochemical module with stack clamping mechanism
A recently granted patent (Publication Number: US11973253B2) discloses an innovative electrochemical module designed for efficient power generation. The module comprises a stack of electrochemical elements with an electrolyte layer, first and second electrodes, and an elastic plate-like member made of austenite-based stainless steel. This plate-like member, with a wavelike shape and a thickness of 0.1 mm to 1 mm, is utilized to manage thermal expansion within the module. The stack is clamped using a clamp made of ferrite-based stainless steel or other materials, ensuring stability and performance during power generation.
Furthermore, the patent includes a method for assembling the electrochemical module, emphasizing the importance of utilizing the elasticity of the plate-like member to accommodate thermal expansion differences between the stack and the clamp. The patent also extends to the integration of the electrochemical module into larger systems, such as electrochemical devices with fuel converters and power converters, as well as energy systems with waste heat utilization systems. These systems aim to optimize power generation and heat reuse, showcasing a comprehensive approach to sustainable energy solutions based on the unique design and functionality of the electrochemical module described in the patent.
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GlobalData’s Patent Analytics tracks patent filings and grants from official offices around the world. 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.
