In this paper, we propose a new design of flow channel and stack arrangement based on the numerical study considering … the effect of the flow channel design on the stack performance and analyze the thermal stress of a planar anode …-supported solid oxide fuel cell stack. We also attempt to simplify the cell stack design without affecting its performance and propose …

temperature of the DMFC stack, which correlates well with the methanol concentration. Depending on the ambient temperature … relative to a preset reference temperature, two different strategies are used to control the stack temperature: either reducing … consists of a 200W stack and the balance of plant (BOP). The DMFC system includes a sensor-less methanol controller that is …

The optimal configuration of the proton exchange membrane fuel-cell (PEMFC) stack has received attention recently … for generating an optimal PEMFC stack based on the number of cell units connected in series and parallel arrangements as … the PEMFC stack voltage response. Stochastic screening is initiated by employing an L9(33) Taguchi-type OA for …

reducing the testing time. We propose an ADT procedure for a PEMFC stack with the concept of series reliability structure under … cells consisting of the PEMFC stack under normal use conditions via the accelerated degradation data of a single cell. We … illustrate the methodology for estimating the lifetime of the PEMFC stack using the theory of the smallest-order statistics. We …

A sensor-less methanol concentration control system based on feedback from the stack temperature (SLCCF) has been … stack temperature and the methanol concentration in the feed. Basically, the amounts of methanol to be supplied to the re … adjusted by a proportional–integral controller and supplied into the feed stream to maintain the stack temperature at a set …

cell (P-SOFC) stack with the variability of modeling parameters regarding material and geometrical properties and operating … electrochemical mechanics of the 3D stack. Sensitivity analysis is carried out in two scenarios: first, by varying modeling parameters … correlations with global and local stack performances. As a result, different rankings are obtained for the two scenarios. Moreover …

-plate-battery stack, followed by comprehensive numerical simulations to study the influences of ambient temperature, Reynolds number, and … discharge rate on the temperature distribution in the stack with different cooling materials. The simulation results indicate … ambient temperature and fast discharge cases. These findings improve the understanding of battery stack thermal behaviors and …

. Two different stack inlet designs, single-inlet and multi-inlet, are structured in the model to study the distributions of … and stack channel dimension are proved to be the critical factors affecting flow distribution and cell performance. The … model developed in this paper can be employed to optimize both VRB stack design and system operation conditions. Further …

. A MEAs scale-up from 5 to 25cm2 is carried out in order to assembly a 3-cells short stack in series connected. Charge …–discharge cycles are carried out both in a small area single cell and in a 3-cells short stack for all samples. CF treated and … morphology change on the electrode surface. A proper stack assembly and flow field scale-up record similar performance to the …