Hans-Joachim Kohnke

Title: Inventor Profile: Hans-Joachim Kohnke

Introduction

Hans-Joachim Kohnke, based in Kassel, Germany, is a notable inventor recognized for his significant contributions to the field of electrochemistry. He holds five patents that showcase his innovative approaches to enhancing the conductivity of nickel oxide surfaces and the design of electrolysis cells.

Latest Patents

One of Kohnke's most recent patents is titled "Method for the production of nickel oxide surfaces having increased conductivity." This invention pertains to a unique process for creating electrically conducting nickel oxide surfaces from nickel-containing materials. The method involves degreasing the nickel surface, roughening it in a hydrochloric acid solution, and using hydrogen peroxide to accelerate the process. Following this, the nickel hydroxide surface obtained is dehydrated and oxidized to form nickel oxide. This invention proposes a conductive boundary layer useful for electrodes in chlorine-alkali electrolysis processes, fuel cells, and storage batteries.

Another significant invention by Kohnke is related to an "Electrolyzer," describing an electrolysis cell that consists of a chamber containing a stack of porous anode and cathode plates, separated by distinct separators. An electrolyte circulates through these porous plates to generate hydrogen and oxygen gas. The design allows for multiple electrolysis cells to be assembled into a comprehensive electrolyzer unit, enhancing the efficiency of chemical processes.

Career Highlights

Throughout his career, Kohnke has worked with esteemed companies such as Varta Gerätebatterie GmbH and Uhde GmbH. His experience in these organizations has significantly contributed to his understanding and expertise in electrochemical systems and innovations.

Collaborations

Kohnke has collaborated with notable individuals in the field, including Joachim Helmke and Dejan Ilic. These partnerships have undoubtedly enriched his work, fostering a collaborative environment that has led to various breakthroughs in technology and innovation.

Conclusion

Hans-Joachim Kohnke exemplifies an innovative spirit in the field of electrochemistry. His patents not only advance scientific knowledge but also present practical applications across multiple technologies, significantly impacting industries such as energy storage and electrolysis. His work continues to inspire future innovations in materials and chemical processes.