Hydride Hydrogen Storage With Buffer Tank for Vehicle Power Demand
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Solution Overview
Problem
Hydrogen use in vehicles faces challenges such as high capital costs, low energy content per unit volume, high tankage weights, and storage and transportation complexities, requiring significant infrastructure investment.
Innovation Solution
A hydrogen zero emissions vehicle system utilizing low-pressure hydride tanks, a high-pressure 'pre-buffer' tank, and an efficient injection system for optimized combustion, featuring thermal dilution and variable injection to provide high demand power, with a retrofittable design for existing vehicles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If gaseous or liquid hydrogen is used for vehicle fuel, then high energy content is achieved, but high storage vessel pressure and high tankage weights are required
Solution Approach 1:
The patent changes the physical state of hydrogen from gaseous or liquid form to solid hydride form, fundamentally altering storage parameters. This transformation allows hydrogen to be stored at low pressure in lighter tanks while maintaining high energy density, directly resolving the contradiction between energy content and tankage weight
Solution Approach 2:
The patent employs composite hydride materials that combine metal or alloy components with hydrogen to create stable solid-state storage compounds. These composite materials enable efficient hydrogen storage with reduced tankage weight compared to traditional high-pressure gaseous or cryogenic liquid storage systems
2Quantity of substance
If high-pressure hydrogen storage is used, then energy density is improved, but storage and transportation complexity increases
Solution Approach 1:
The patent transforms hydrogen from a high-pressure gas or cryogenic liquid into a solid hydride material, changing the storage parameter from pressure/temperature control to solid-state chemical composition. This simplifies storage and transportation by eliminating the need for high-pressure vessels and specialized handling infrastructure
Solution Approach 2:
The patent employs replaceable hydride cartridges or modules that can be easily swapped out when depleted, simplifying the refueling process and reducing the complexity of hydrogen storage infrastructure. This approach trades the complexity of high-pressure storage for simple modular replacement units
3Productivity
If variable injection and thermal dilution are implemented, then combustion efficiency is improved, but device complexity increases
Solution Approach 1:
The patent implements variable injection timing and rates that dynamically adjust based on operating conditions, allowing the system to optimize combustion efficiency across different driving scenarios. This dynamic control approach improves productivity while managing complexity through adaptive rather than static系统设计
Solution Approach 2:
The patent applies thermal dilution by introducing controlled amounts of cooler gas or air into specific combustion zones to optimize flame propagation and combustion efficiency. This localized quality adjustment improves combustion performance without requiring system-wide complexity increases
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 system enables cleaner, more powerful combustion, on-demand speed, and reduced emissions, while reducing infrastructure requirements through stable hydrogen storage and efficient power delivery.
Implementation Method 1
a first plurality of tanks configured to store hydrogen in a first stable state
Implementation Method 2
a combustion engine operable having a combustion chamber for generating a combustion event
Data Source
AI summary
Various embodiments for a hydrogen zero emissions vehicle that utilizes hydride storage of hydrogen and buffering of hydrogen for high demand power are disclosed.