KR-20260063334-A - HYDROGEN LIFE CYCLE ASSESSMENT SYSTEM AND HYDROGEN LIFE CYCLE ASSESSMENT METHOD

KR20260063334AKR 20260063334 AKR20260063334 AKR 20260063334AKR-20260063334-A

Abstract

A hydrogen life cycle assessment system comprises: a memory in which an LCA program for performing a life cycle assessment (LCA) on hydrogen is stored; an LCA database including input data and output data corresponding to each of a plurality of hydrogen processes for hydrogen technology and a plurality of detailed hydrogen processes of the plurality of hydrogen processes; a collection unit for collecting input ILCD (International Reference Life Cycle Data System) data from an external device; an interface unit for displaying a plurality of selectable elements on a screen and receiving input from a user; and a processor for executing the LCA program, storing the input ILCD data in the LCA database, generating hydrogen scenarios for the plurality of hydrogen processes based on data received from the interface unit, and calculating a final comprehensive environmental assessment value corresponding to the hydrogen scenario.

Inventors

안신원

Assignees

주식회사 와플랩

Dates

Publication Date: 20260507
Application Date: 20241030

Claims (20)

A memory where an LCA program for performing a Life Cycle Assessment (LCA) on hydrogen is stored; An LCA database comprising input data and output data corresponding to each of a plurality of hydrogen processes for hydrogen technology and a plurality of detailed hydrogen processes of the plurality of hydrogen processes; A collection unit that collects input ILCD (International Reference Life Cycle Data System) data from an external device; An interface unit that displays multiple selectable elements on a screen and receives input from a user; and A processor that executes the above LCA program, stores the input ILCD data in the LCA database, generates hydrogen scenarios for the plurality of hydrogen processes based on data received from the interface unit, and calculates a final comprehensive environmental evaluation value corresponding to the hydrogen scenario. A hydrogen life cycle evaluation system including
In paragraph 1, The above processor is, Extracting data encoded in a predetermined structured data format from the above input ILCD data, parsing the extracted data, and storing it in the above LCA database, Hydrogen full-cycle evaluation system.
In paragraph 2, The above-mentioned structured data format is an XML (eXtensible Markup Language) format, a hydrogen life cycle evaluation system.
In paragraph 1, The above plurality of hydrogen processes are, It includes production processes, storage processes, transportation processes, and usage processes, The above multiple detailed hydrogen processes are, A plurality of production detailed processes including water electrolysis, fossil fuel reforming, and biomass reforming corresponding to the above production process; A plurality of storage detailed processes including high-pressure storage, liquefaction storage, and chemical storage corresponding to the above storage process; A plurality of detailed transport processes including pipeline transport, truck transport, and ship transport corresponding to the above transport process; and A plurality of detailed usage processes including a fuel cell usage system, a hydrogen engine usage system, and an industrial hydrogen utilization system corresponding to the above usage process, Hydrogen full-cycle evaluation system.
In paragraph 4, The above input data is, It includes one or more resources among a plurality of resources and an energy input amount for each of the one or more resources, and The above output data is, including one or more of a plurality of emitting substances and the emission amount of each of the one or more emitting substances, Hydrogen full-cycle evaluation system.
In paragraph 5, The above interface unit is, A screen displaying a plurality of first selectable elements representing the plurality of detailed hydrogen processes, selecting one or more of the plurality of first selectable elements in response to a user's drag-and-drop action, and generating data regarding the placement of the selected one or more elements. Hydrogen full-cycle evaluation system.
In paragraph 6, The above processor is, Generating the hydrogen scenario based on data regarding the placement of one or more selected elements, Hydrogen full-cycle evaluation system.
In paragraph 5, The above processor is, One or more first input data and one or more first output data corresponding to one or more target detailed processes represented by the hydrogen scenario among the plurality of detailed hydrogen processes are derived from the LCA database, and Based on the above one or more first input data and the above one or more first output data, a plurality of individual environmental indicators corresponding to the above one or more target detailed processes are calculated, and the above calculated plurality of individual environmental indicators are summed to calculate the above final comprehensive environmental evaluation value. The above plurality of individual environmental indicators are, Including two or more of greenhouse gas emissions (Global Warming Potential, GWP), cumulative energy demand (CED), resource depletion, and pollutant emissions, Hydrogen full-cycle evaluation system.
In paragraph 8, In the above LCA database, Basic emissions for each greenhouse gas corresponding to each of the multiple detailed hydrogen processes and GWP coefficients for each of the multiple greenhouse gases are stored, and The above processor is, Deriving one or more target greenhouse gases corresponding to one or more target detailed processes among a plurality of greenhouse gases, extracting the basic emissions of each of the one or more target greenhouse gases among the basic emissions for each greenhouse gas from the LCA database, and extracting the GWP coefficient of each of the one or more target gases among the GWP coefficients of each of the plurality of greenhouse gases from the LCA database. The emissions of each of the one or more target greenhouse gases are converted into emissions of CO2 equivalents by multiplying the basic emissions of each of the one or more target greenhouse gases by the corresponding values among the GWP coefficients of each of the one or more target gases, and the final GWP of the hydrogen scenario is calculated by summing all the emissions of CO2 equivalents corresponding to each of the one or more target detailed processes. Among the above plurality of individual environmental indicators, the above GWP is, The above final GWP, Hydrogen full-cycle evaluation system.
In Paragraph 9, In the above LCA database, Resource-specific CEDs corresponding to each of the multiple detailed production processes are stored, and The above processor is, Based on the basic emissions by greenhouse gas and the CED by resource, a CED corresponding to each of the one or more target detailed processes is calculated, and the CEDs corresponding to each of the one or more target detailed processes are all summed to calculate the final CED of the hydrogen scenario. Among the above plurality of individual environmental indicators, the above CED is, The above final CED, Hydrogen full-cycle evaluation system.
In Paragraph 9, In the above LCA database, The resource consumption amount for each resource corresponding to each of the plurality of detailed hydrogen processes and the calculation formula for the resource consumption amount of each of the plurality of detailed hydrogen processes are stored, and The above processor is, Based on the basic emission amount of each of the above one or more target greenhouse gases, the resource consumption amount for each of the above resources, and the calculation formula for each of the above resource consumption amounts, the resource consumption amount corresponding to each of the above one or more target detailed processes is calculated, and the resource consumption amount corresponding to each of the above one or more target detailed processes is summed up to calculate the final resource consumption amount of the above hydrogen scenario. Among the above plurality of individual environmental indicators, the resource consumption amount is, The above final resource consumption, Hydrogen full-cycle evaluation system.
In Paragraph 9, In the above LCA database, An emission corresponding to each of the above plurality of detailed hydrogen processes and the emission amount of said emission are stored, and The above processor is, A first emission and a first emission amount of the first emission corresponding to each of the one or more target detailed processes are extracted from the LCA database, and based on the first emission and the first emission amount, the emissions of nitrogen oxides, sulfur oxides, and particulate matter (PM) corresponding to each of the one or more target detailed processes are quantified and summed to calculate an air pollution index corresponding to each of the one or more target detailed processes, and all air pollution indicators corresponding to each of the one or more target detailed processes are summed to calculate the final pollutant emission amount of the hydrogen scenario. Among the above plurality of individual environmental indicators, the above pollutant emission amount is, The above final pollutant discharge, Hydrogen full-cycle evaluation system.
In paragraph 8, The above processor is, Calculating an indicator value corresponding to each of a plurality of individual environmental indicators for the above hydrogen scenario, normalizing the indicator value corresponding to each of the above indicator values based on a predetermined reference value corresponding to each of the plurality of individual environmental indicators, and calculating the final comprehensive environmental evaluation value for the hydrogen scenario based on the normalized value corresponding to each of the plurality of individual environmental indicators and a predetermined weight corresponding to each of the plurality of environmental indicators. Hydrogen full-cycle evaluation system.
In paragraph 8, The above interface unit is, Providing a screen that visualizes the above final comprehensive environmental evaluation value, Hydrogen full-cycle evaluation system.
In a method for hydrogen life cycle assessment performed by a processor by executing an LCA program that performs a life cycle assessment (LCA) on hydrogen stored in memory, A step of collecting input ILCD (International Reference Life Cycle Data System) data from an external device; A step of storing the above input ILCD data in an LCA database comprising input data and output data corresponding to each of a plurality of hydrogen processes for hydrogen technology and a plurality of detailed hydrogen processes of the plurality of hydrogen processes; A step of receiving input from a user from an interface unit and generating a hydrogen scenario for the plurality of hydrogen processes; and A step comprising calculating a final comprehensive environmental assessment value corresponding to the above hydrogen scenario, Hydrogen lifecycle evaluation method.
In paragraph 15, A step of extracting data encoded in a predetermined structured data format from the above input ILCD data; and A method further comprising the step of parsing the extracted data and storing it in the LCA database. Hydrogen lifecycle evaluation method.
In Paragraph 16, The above structured data format is, In XML (eXtensible Markup Language) format, Hydrogen lifecycle evaluation method.
In paragraph 15, The above plurality of hydrogen processes are, It includes production processes, storage processes, transportation processes, and usage processes, The above multiple detailed hydrogen processes are, A plurality of production detailed processes including water electrolysis, fossil fuel reforming, and biomass reforming corresponding to the above production process; A plurality of storage detailed processes including high-pressure storage, liquefaction storage, and chemical storage corresponding to the above storage process; A plurality of detailed transport processes including pipeline transport, truck transport, and ship transport corresponding to the above transport process; and It includes a plurality of detailed usage processes corresponding to the above usage processes, including a fuel cell usage system, a hydrogen engine usage system, and an industrial hydrogen utilization system, and The above input data is, It includes one or more resources among a plurality of resources and an energy input amount for each of the one or more resources, and The above output data is, including one or more of a plurality of emitting substances and the emission amount of each of the one or more emitting substances, Hydrogen lifecycle evaluation method.
In Paragraph 18, The interface unit provides a screen displaying a plurality of first selectable elements representing the plurality of detailed hydrogen processes; The above interface unit selects one or more of the plurality of first selectable elements in response to a user's drag-and-drop action; and The processor further comprises the step of generating data regarding the placement of one or more selected elements. Hydrogen lifecycle evaluation method.
In Paragraph 19, A method further comprising the step of generating the hydrogen scenario based on data regarding the placement of one or more selected elements. Hydrogen lifecycle evaluation method.

Description

Hydrogen Life Cycle Assessment System and Hydrogen Life Cycle Assessment Method The present invention relates to a hydrogen entire process evaluation system and a hydrogen entire process evaluation method. Hydrogen is garnering attention as a crucial energy source in the transition to a carbon-neutral society. It can be utilized in fuel cells, industrial processes, and as a transportation energy source; in particular, when used as fuel, it is regarded as a clean energy source that emits almost no greenhouse gases. However, the processes of hydrogen production, storage, transportation, and use can result in significant energy consumption and environmental impact. Viewing hydrogen solely as a clean energy source while ignoring these processes can diminish its environmental effectiveness. Therefore, it is necessary to establish a platform for conducting Life Cycle Assessment (LCA) on hydrogen production and use based on the International Reference Life Cycle Data System (ILCD) to evaluate the environmental impacts occurring throughout each process of hydrogen production, storage, transportation, and use. FIG. 1 is a diagram illustrating a hydrogen entire process evaluation system according to one embodiment of the present invention. Figure 2 is a detailed configuration diagram of the processor shown in Figure 1. FIG. 3 is a flowchart of a hydrogen entire process evaluation method according to one embodiment of the present invention. The present invention may be implemented with various modifications without departing from the spirit, and may have one or more embodiments. Furthermore, the embodiments described in the “specific details for implementing the invention” and “drawings,” etc., in the present invention are examples for specifically explaining the present invention and do not limit or restrict the scope of the rights of the present invention. Accordingly, anything that a person skilled in the art to which the present invention pertains can easily deduce from the “specific details for carrying out the invention” and “drawings,” etc., of the present invention may be interpreted as falling within the scope of the present invention. In addition, the size and shape of each component shown in the drawings may be exaggerated for the purpose of explaining the embodiments and do not limit the actual size and shape of the invention. Unless specifically defined otherwise in the specification of the present invention, terms used therein may have the same meaning as generally understood by those skilled in the art to which the present invention pertains. In this specification, LCA may represent Life Cycle Assessment for hydrogen, and ILCD may represent the International Reference Life Cycle Data System. Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a diagram illustrating a hydrogen entire process evaluation system according to one embodiment of the present invention. Referring to FIG. 1, the hydrogen life cycle evaluation system (1) may include a hydrogen life cycle evaluation server (100) and an external device (200). The hydrogen life cycle evaluation server (100) may include a collection unit (110), memory (120), a processor (130), an LCA database (DB) (140), and an interface unit (150). Although FIG. 1 depicts the hydrogen life cycle evaluation system (100) as including a collection unit (110), memory (120), a processor (130), an LCA database (140), and an interface unit (150), this is for convenience of explanation and the invention is not limited thereto. The collection unit (110) can communicate with an external device (200) or an interface unit (150) via a network to transmit and receive signals and/or data. The collection unit (110) can collect input ILCD data from an external device (200). The input ILCD data can be composed of four types of formats, such as EcoSpold1, EcoSold2, ILCD, and JSON LD. Here, all except JSON LD can have an XML format. The memory (120) may include volatile memory and/or non-volatile memory. For example, the memory (120) may store commands or data related to each component of the hydrogen life cycle evaluation server (100), one or more programs and/or software, operating systems, etc., for executing the same, in order to implement and/or provide operations, functions, etc. provided by the hydrogen life cycle evaluation server (100). A program stored in memory (120) may include an LCA program (hereinafter referred to as "LCA program") that performs LCA on hydrogen according to one embodiment. This LCA program may include instructions that process information collected by a collection unit (110) called by a processor (130) and enable the performance of necessary judgments. The LCA database (140) may include input data and output data corresponding to each of a plurality of hydrogen processes (hereinafter, "a plurality of hydrogen processes") and a plurality of detailed hydrogen processes (hereinafter, "a plur