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Capacitores de carga que usan diodos a diferentes temperaturas. II. y el resto. Estudios numéricos Los estudios

J M Mangum¹, L L Bonilla², A Torrente²

¹University of Arkansas, Department of Physics, Fayetteville, Arkansas 72701, USA.

Physical review. E

|February 20, 2026

Resumen

Este estudio investiga numéricamente la recolección de energía térmica en circuitos electrónicos. Los diodos permiten la acumulación de carga para la recolección de energía, a diferencia de las resistencias, con un rendimiento dependiente de la temperatura y el diseño del circuito.

Área de la Ciencia:

Física Física es la física de las cosas.
Ingeniería Eléctrica Ingeniería Eléctrica.
La dinámica no lineal es la dinámica no lineal.

Sus antecedentes:

La recolección de energía térmica ofrece una fuente de energía sostenible.
Los circuitos electrónicos con diodos y condensadores pueden rectificar las fluctuaciones térmicas.
Estudios analíticos previos sentaron las bases para investigaciones numéricas.

Objetivo del estudio:

Para evaluar numéricamente las capacidades de recolección de energía térmica de dos circuitos electrónicos distintos.
Para investigar la influencia de la temperatura, la capacidad y la calidad del diodo en la recolección de energía.
Para explorar la acumulación de carga en estado estacionario en circuitos con gradientes de temperatura.

Principales métodos:

Solución numérica de la ecuación de Fokker-Planck dependiente del tiempo para un circuito diodo-capacitor.
Solución numérica de la ecuación de Fokker-Planck independiente del tiempo para un circuito de dos bucles con diodos.
Análisis comparativo de circuitos con diodos frente a aquellos con resistencias.

Principales resultados:

Un circuito de diodo-capacitor en serie muestra una carga transitoria, con una carga máxima que aumenta con la temperatura, la capacidad y la calidad del diodo.
Un circuito de dos bucles con diodos a diferentes temperaturas acumula cargas de estado estacionario opuestas y distintas de cero en los condensadores de almacenamiento.
Los circuitos que emplean resistencias en lugar de diodos no exhiben acumulación de carga transitoria o de estado estacionario.

Conclusiones:

Los circuitos electrónicos que utilizan diodos pueden recolectar energía térmica, lo que demuestra la acumulación de carga en condiciones específicas.
La carga de estado estacionario observada en el circuito de dos bucles pone de relieve el potencial para el flujo de energía dirigida utilizando gradientes de temperatura.
Los diodos son cruciales para rectificar el ruido térmico en carga utilizable, a diferencia de las resistencias pasivas.

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