Author: Heidi
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Tube Fitting Installation Guide: A Practical Handbook for Single-Cell End Plates
Materials Swagelok Tube Fitting: Stainless Steel Swagelok Tube Fitting, Male Connector, 1/4 in. Tube OD × 1/8 in. Male NPT (Part No. SS-400-1-2) PTFE Tape (polytetrafluoroethylene tape) Open-end Wrench 1/4 in. Tube Figure: (a) Complete fitting before installation — Swagelok SS-400-1-2, full view. (b) Installed on the end plate. (c) Swagelok tube fitting disassembled —…
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Später, Feierabend, and Two Butterflies — A German Vocabulary Lesson
German vocabulary notes: the difference between spät and später, the etymology of Feierabend, and the romance of Schmetterling — learning German after work. With English annotations.
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Du bist meine Zeit — A German Poem with Vocabulary Notes
A short German poem. About time, about blushing the moment you see someone, about giving away the most precious thing you have. With English vocabulary notes for each line.
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Is Current Density Variation from Changing Gas Concentration During Fuel Cell Operation Predictable? Butler-Volmer Concentration Effects
Deriving the dependence of exchange current density on reactant concentration in the Butler-Volmer model, from equations to experiments, verifying the practical significance of reaction order for fuel cell performance prediction.
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Tafel Slope and Exchange Current Density $i_o$: From Theory to an Interactive Analysis Tool
Starting from the physical meaning of the Tafel equation, analyze the core differences between half-cell and full-cell measurements, and introduce an interactive Tafel analysis tool that can greatly improve research efficiency.