A kind of material transfer stepwise dispersion fuel cell and its working method

Abstract

The invention discloses a fuel cell with step-by-step dispersion of material transmission and its working method. Through the fuel distribution flow path and the tree-like fuel supply branch, the tree-like step-by-step distribution is adopted to longitudinally flow into the flow field, so as to ensure that the fuel can directly and evenly enter the electrode surface. Improve the degree of fuel reaction and improve battery efficiency; the product return area is a flow field plate with an array distribution of fuel discharge branches, fuel recovery flow paths and fuel distribution flow paths, and there are cavities around the inflow flow field, so that After the fuel enters the electrode and the reaction is completed, it directly enters the cavity and further enters the longitudinal outflow flow field combined with the inflow flow field, so that the inflow and outflow of the fuel can flow along the flow, maintain a high concentration of fuel on the surface of the electrode, and avoid flow Blending of fuel and product in a process.

Description

technical field [0001] The invention relates to the technical field of fuel cells, in particular to a fuel cell with material transmission stepwise dispersion and a working method thereof. Background technique [0002] Energy is an important material basis for the survival and development of human beings, and all activities of human society are inseparable from energy. With the rapid development of the economy and the continuous progress of society, the consumption of energy by human beings also continues to increase. Worldwide energy demand continues to grow, and traditional fossil energy consumption still dominates. However, traditional fossil energy reserves are limited, and some of them will be exhausted in the next few decades. In addition, in the process of traditional fossil energy utilization, the problem of environmental pollution is also increasing day by day, and the resulting "greenhouse effect", "acid rain", "ozone layer destruction" and other problems serious...

AI Technical Summary

Problems solved by technology

In this process, with the flow of fuel in the flow channel and the diffusion reaction in the electrode, the fuel consumption products continue to enter the flow channel, and the concentration of the fuel gradually decreases, which leads to uneven distribution of the fuel concentration in the electrode and reduces the electrode quality. Reaction efficiency, further reducing the operating efficiency of direct liquid fuel cells

[0007] Therefore, in order to solve the problems of fuel product mixing and uneven fuel concentration distribution in the fuel cell fuel flow reaction process, a high-efficiency fuel cell with phase separation of fuel products and uniform distribution of fuel concentration is urgently needed.

Images