Hydride Hydrogen Storage With Buffer Tank for Vehicle Power Demand
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Solution Overview
Problem
Hydrogen storage in vehicles faces challenges such as high capital cost, low energy content per unit volume, high tankage weights, and infrastructure requirements, along with technical hurdles in storage and transportation.
Innovation Solution
A hydrogen zero emissions vehicle utilizing hydride storage and buffering systems, including low-pressure hydride tanks and a high-pressure pre-buffer tank, combined with an efficient injection system, to provide high demand power and optimize combustion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If gaseous or liquid hydrogen storage is used in vehicles, then hydrogen fuel can be stored and supplied to the engine, but the system suffers from high tankage weights and high storage vessel pressure requirements
Solution Approach 1:
The patent changes the physical state of hydrogen from gaseous or liquid form to solid hydride form, fundamentally altering the storage parameters. This transformation enables hydrogen to be stored at lower pressures and with reduced tankage weight while maintaining adequate storage capacity for vehicle operation
Solution Approach 2:
The system utilizes phase transitions of hydrogen by converting it into hydride form for storage and then releasing it when needed. The hydride tanks store hydrogen in a solid phase, which can be converted back to gaseous phase for engine supply, enabling efficient storage without the weight and pressure penalties of conventional methods
2Quantity of substance
If high pressure storage vessels are used for hydrogen, then hydrogen can be stored at higher energy density, but the capital cost and safety requirements increase significantly
Solution Approach 1:
By changing hydrogen from a high-pressure gas to a solid hydride, the patent eliminates the need for expensive high-pressure storage vessels. The hydride form naturally maintains high energy density without requiring extreme pressure containment, thereby reducing capital costs and simplifying manufacturing
Solution Approach 2:
The hydride material acts as an intermediary substance that facilitates hydrogen storage. Instead of directly storing hydrogen gas under high pressure, the system uses hydride as a mediator to store and release hydrogen, thereby avoiding the need for costly high-pressure infrastructure
3Ease of operation
If conventional hydrogen storage systems are installed in vehicles, then hydrogen can be supplied to the engine, but the system complexity and infrastructure requirements increase
Solution Approach 1:
The patent divides the hydrogen storage system into separate functional components: hydride tanks for storage, a buffer tank for pressure regulation, and an injection system for engine supply. This segmentation allows each component to be optimized independently and simplifies the overall system architecture compared to conventional integrated high-pressure systems
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
Enables cleaner and more powerful engine burns, reduces emissions, and allows for on-demand speed and power, while being retrofittable to existing vehicles.
Implementation Method 1
a first plurality of hydride tanks in fluid flow communication with a hydrogen buffer tank
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.