Aluminum Reactor Cell Assembly for Hydrogen Spectroscopy
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Solution Overview
Problem
Reactor cell assemblies made of stainless steel outgas hydrogen, affecting reactions and skewing results in spectroscopy and microscopy applications, especially in high-temperature and high-pressure conditions.
Innovation Solution
A reactor cell assembly partially or wholly manufactured from Aluminum, with a sample holder thermally coupled to a heating device and a window assembly made from transparent materials like glass, quartz, or sapphire, to minimize hydrogen outgassing and accommodate high temperatures and pressures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If stainless steel reactor cell assembly is used, then structural strength and durability are improved, but hydrogen outgassing occurs which affects reaction accuracy
Solution Approach 1:
The patent changes the material parameter from stainless steel to aluminum alloy, fundamentally altering the chemical properties of the reactor cell assembly. Aluminum alloy does not outgas hydrogen under reaction conditions, eliminating the interference with hydrogen-related reactions while maintaining sufficient structural strength for the application.
Solution Approach 2:
The patent employs aluminum alloy as a composite material that combines the necessary structural properties with the critical property of not outgassing hydrogen. This material selection resolves the contradiction by providing both adequate strength and measurement precision simultaneously.
2Measurement precision
If aluminum is used for reactor cell assembly, then hydrogen outgassing is prevented, but thermal conductivity increases affecting temperature control
Solution Approach 1:
The patent applies local quality by using thermal insulation materials at specific locations within the reactor cell assembly, particularly around the sample holder and heating elements. This localized insulation compensates for the high thermal conductivity of aluminum in critical areas while maintaining the overall benefits of aluminum construction.
Solution Approach 2:
The patent introduces thermal insulation materials as intermediary layers between the aluminum reactor cell walls and the sample/heating elements. These intermediaries mediate the heat transfer, allowing the aluminum structure to provide hydrogen-free environment while the insulation layers enable precise temperature control.
3Productivity
If high-temperature conditions are applied, then reaction rates are improved, but hydrogen outgassing from stainless steel increases
Solution Approach 1:
The patent changes the fundamental material parameter from stainless steel to aluminum alloy, which eliminates hydrogen outgassing even at elevated temperatures. This parameter change allows the system to operate at high temperatures for improved reaction rates without generating the harmful hydrogen outgassing effect.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The Aluminum construction prevents hydrogen outgassing, allowing for accurate study of hydrogen-related reactions without interference, enhancing the sensitivity and accuracy of spectroscopy and microscopy results.
Implementation Method 1
a window assembly coupled to the sample retention structure; wherein the window assembly is sufficiently transparent to radiation such that spectroscopy and/or microscopy can be performed
Implementation Method 2
a sample holder either coupled to or integrally formed with the body structure and disposed within the sample retention structure, wherein the sample holder is thermally coupled to a heating device and configured to deliver heat to the sample to be reacted
Data Source
AI summary
The present disclosure provides a reactor cell assembly that utilizes a novel design and that is wholly or partially manufactured from Aluminum, such that reactions involving Hydrogen, for example, including solid-gas reactions and thermal decomposition reactions, are not affected by any degree of Hydrogen outgassing. This reactor cell assembly can be utilized in a wide range of optical and laser spectroscopy applications, as well as optical microscopy applications, including high-temperature and high-pressure applications. The result is that the elucidation of the role of Hydrogen in the reactions studied can be achieved. Various window assemblies can be utilized, such that high temperatures and high pressures can be accommodated and the signals obtained can be optimized.