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En el instante 11 de octubre de 2025, 1:22:54 UTC,
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Añadido recurso Parameter estimation for empirical and semi-empirical models in a direct ethanol fuel cell a Parameter estimation for empirical and semi-empirical models in a direct ethanol fuel cell
f | 1 | { | f | 1 | { |
2 | "author": "L Blanco-Cocom, S Botello-Rionda, LC Ordo\u00f1ez, SI | 2 | "author": "L Blanco-Cocom, S Botello-Rionda, LC Ordo\u00f1ez, SI | ||
3 | Valdez", | 3 | Valdez", | ||
4 | "author_email": null, | 4 | "author_email": null, | ||
5 | "creator_user_id": "a3da3ec9-3fd4-47a4-8d04-0a90b09614e0", | 5 | "creator_user_id": "a3da3ec9-3fd4-47a4-8d04-0a90b09614e0", | ||
6 | "extras": [ | 6 | "extras": [ | ||
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8 | "key": "Publicaci\u00f3n", | 8 | "key": "Publicaci\u00f3n", | ||
9 | "value": "Revista" | 9 | "value": "Revista" | ||
10 | }, | 10 | }, | ||
11 | { | 11 | { | ||
12 | "key": "Tipo", | 12 | "key": "Tipo", | ||
13 | "value": "Publicaci\u00f3n" | 13 | "value": "Publicaci\u00f3n" | ||
14 | } | 14 | } | ||
15 | ], | 15 | ], | ||
16 | "groups": [ | 16 | "groups": [ | ||
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18 | "description": "Este grupo integra las publicaciones | 18 | "description": "Este grupo integra las publicaciones | ||
19 | acad\u00e9micas derivadas de los proyectos de investigaci\u00f3n del | 19 | acad\u00e9micas derivadas de los proyectos de investigaci\u00f3n del | ||
20 | Observatorio Metropolitano CentroGeo. Incluye art\u00edculos | 20 | Observatorio Metropolitano CentroGeo. Incluye art\u00edculos | ||
21 | presentados en congresos nacionales e internacionales, manuscritos en | 21 | presentados en congresos nacionales e internacionales, manuscritos en | ||
22 | formato preprint, cap\u00edtulos de libro y trabajos publicados en | 22 | formato preprint, cap\u00edtulos de libro y trabajos publicados en | ||
23 | revistas cient\u00edficas especializadas. Estos materiales reflejan la | 23 | revistas cient\u00edficas especializadas. Estos materiales reflejan la | ||
24 | labor de investigaci\u00f3n, desarrollo metodol\u00f3gico y | 24 | labor de investigaci\u00f3n, desarrollo metodol\u00f3gico y | ||
25 | an\u00e1lisis territorial del observatorio, contribuyendo al avance | 25 | an\u00e1lisis territorial del observatorio, contribuyendo al avance | ||
26 | del conocimiento en temas urbanos, metropolitanos y geoespaciales.", | 26 | del conocimiento en temas urbanos, metropolitanos y geoespaciales.", | ||
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40 | "metadata_created": "2025-10-11T01:22:54.090696", | 40 | "metadata_created": "2025-10-11T01:22:54.090696", | ||
n | 41 | "metadata_modified": "2025-10-11T01:22:54.090704", | n | 41 | "metadata_modified": "2025-10-11T01:22:54.563160", |
42 | "name": | 42 | "name": | ||
43 | al-and-semi-empirical-models-in-a-direct-ethanol-fuel-c-330ec823b1cd", | 43 | al-and-semi-empirical-models-in-a-direct-ethanol-fuel-c-330ec823b1cd", | ||
44 | "notes": "Experimental data from a Direct Ethanol Fuel Cell (DEFC) | 44 | "notes": "Experimental data from a Direct Ethanol Fuel Cell (DEFC) | ||
45 | provides a general perspective about its performance; nevertheless, it | 45 | provides a general perspective about its performance; nevertheless, it | ||
46 | does not provide information about the cell's physical characteristics | 46 | does not provide information about the cell's physical characteristics | ||
47 | nor information to improve its performance. On the other hand, | 47 | nor information to improve its performance. On the other hand, | ||
48 | numerical simulation can be used to test the cell's design and boost | 48 | numerical simulation can be used to test the cell's design and boost | ||
49 | its performance but requires a set of physical parameters. In this | 49 | its performance but requires a set of physical parameters. In this | ||
50 | proposal, we introduce a novel modification to an empirical model for | 50 | proposal, we introduce a novel modification to an empirical model for | ||
51 | a Direct Methanol Fuel Cell to make it suitable for DEFC simulations | 51 | a Direct Methanol Fuel Cell to make it suitable for DEFC simulations | ||
52 | at different temperatures by a new semi-empirical mathematical model. | 52 | at different temperatures by a new semi-empirical mathematical model. | ||
53 | In addition, we introduce temperature-depending parametric forms of | 53 | In addition, we introduce temperature-depending parametric forms of | ||
54 | several terms to reduce the number of possible parameters to estimate | 54 | several terms to reduce the number of possible parameters to estimate | ||
55 | from the DEFC. Then, we combined the models with an estimation of | 55 | from the DEFC. Then, we combined the models with an estimation of | ||
56 | distribution algorithm to find the numerical simulation that best | 56 | distribution algorithm to find the numerical simulation that best | ||
57 | reproduces the experimental polarization curve. The method is | 57 | reproduces the experimental polarization curve. The method is | ||
58 | validated by estimating the parameters to reproduce the experimental | 58 | validated by estimating the parameters to reproduce the experimental | ||
59 | data at different temperatures reported in the literature, and with | 59 | data at different temperatures reported in the literature, and with | ||
60 | data obtained in an in-house open-cathode DEFC, recorded at a scan | 60 | data obtained in an in-house open-cathode DEFC, recorded at a scan | ||
61 | rate of 10 mVs\u22121, using as fuel CH3CH2OH 1 M at 25 \u00b0C and 60 | 61 | rate of 10 mVs\u22121, using as fuel CH3CH2OH 1 M at 25 \u00b0C and 60 | ||
62 | \u00b0C. From the estimation results at temperature set | 62 | \u00b0C. From the estimation results at temperature set | ||
63 | T1\u2192=(T1a,T1c) \u2218C, the same parameters are used for a | 63 | T1\u2192=(T1a,T1c) \u2218C, the same parameters are used for a | ||
64 | simulation at T2\u2192=(T2a,T2c) \u2218C, demonstrating that it | 64 | simulation at T2\u2192=(T2a,T2c) \u2218C, demonstrating that it | ||
65 | reproduces the two experimental polarization curves. Hence, the models | 65 | reproduces the two experimental polarization curves. Hence, the models | ||
66 | and methods presented here can be used to reduce physical | 66 | and methods presented here can be used to reduce physical | ||
67 | experimentation and to test different designs and operation | 67 | experimentation and to test different designs and operation | ||
68 | settings.", | 68 | settings.", | ||
n | 69 | "num_resources": 0, | n | 69 | "num_resources": 1, |
70 | "num_tags": 11, | 70 | "num_tags": 11, | ||
71 | "organization": { | 71 | "organization": { | ||
72 | "approval_status": "approved", | 72 | "approval_status": "approved", | ||
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94 | "description": "Experimental data from a Direct Ethanol Fuel | ||||
95 | Cell (DEFC) provides a general perspective about its performance; | ||||
96 | nevertheless, it does not provide information about the cell's | ||||
97 | physical characteristics nor information to improve its performance. | ||||
98 | On the other hand, numerical simulation can be used to test the cell's | ||||
99 | design and boost its performance but requires a set of physical | ||||
100 | parameters. In this proposal, we introduce a novel modification to an | ||||
101 | empirical model for a Direct Methanol Fuel Cell to make it suitable | ||||
102 | for DEFC simulations at different temperatures by a new semi-empirical | ||||
103 | mathematical model. In addition, we introduce temperature-depending | ||||
104 | parametric forms of several terms to reduce the number of possible | ||||
105 | parameters to estimate from the DEFC. Then, we combined the models | ||||
106 | with an estimation of distribution algorithm to find the numerical | ||||
107 | simulation that best reproduces the experimental polarization curve. | ||||
108 | The method is validated by estimating the parameters to reproduce the | ||||
109 | experimental data at different temperatures reported in the | ||||
110 | literature, and with data obtained in an in-house open-cathode DEFC, | ||||
111 | recorded at a scan rate of 10 mVs\u22121, using as fuel CH3CH2OH 1 M | ||||
112 | at 25 \u00b0C and 60 \u00b0C. From the estimation results at | ||||
113 | temperature set T1\u2192=(T1a,T1c) \u2218C, the same parameters are | ||||
114 | used for a simulation at T2\u2192=(T2a,T2c) \u2218C, demonstrating | ||||
115 | that it reproduces the two experimental polarization curves. Hence, | ||||
116 | the models and methods presented here can be used to reduce physical | ||||
117 | experimentation and to test different designs and operation | ||||
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169 | "title": "Parameter estimation for empirical and semi-empirical | 217 | "title": "Parameter estimation for empirical and semi-empirical | ||
170 | models in a direct ethanol fuel cell", | 218 | models in a direct ethanol fuel cell", | ||
171 | "type": "dataset", | 219 | "type": "dataset", | ||
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