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相关论文: Battery State of Charge Modeling for Solar PV Arra…

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Accurate state-of-health (SOH) estimation is critical to guarantee the safety, efficiency and reliability of battery-powered applications. Most SOH estimation methods focus on the 0-100\% full state-of-charge (SOC) range that has similar…

机器学习 · 计算机科学 2023-04-12 Xin Chen , Yuwen Qin , Weidong Zhao , Qiming Yang , Ningbo Cai , Kai Wu

Space charge effects can significantly degrade charge collection in organic photovoltaics (OPVs), especially in thick-film devices. The two main causes of space charge are doping and imbalanced transport. Although these are completely…

应用物理 · 物理学 2020-04-22 Sebastian Wilken , Oskar J. Sandberg , Dorothea Scheunemann , Ronald Österbacka

In organic bulk heterojunction solar cells, the open circuit voltage ($V_\mathrm{oc}$) suffers from an ultra-high loss at low temperatures. In this work we investigate the origin of the loss through calculating the $V_\mathrm{oc}-T$ plots…

材料科学 · 物理学 2017-06-09 Wenchao Yang , Yongsong Luo , Pengfei Guo , Haibin Sun , Yao Yao

We present a pipeline to study the device performance of organic solar cells in silico. We introduce a mathematical model that includes the dynamics of excitons as well as their dissociation at bulk heterojunctions within the nanomorphology…

As variable renewable energy sources comprise a growing share of total electricity generation, energy storage technologies are becoming increasingly critical for balancing energy generation and demand. In this study, we modeled an existing…

The State of Health (SOH) of lithium-ion batteries is directly related to their safety and efficiency, yet effective assessment of SOH remains challenging for real-world applications (e.g., electric vehicle). In this paper, the estimation…

信号处理 · 电气工程与系统科学 2020-10-21 Niankai Yang , Ziyou Song , Heath Hofmann , Jing Sun

This paper examines the problem of estimating the states, including state of charge, of battery cells connected in parallel. Previous research highlights the importance of this problem, and presents multiple approaches for solving it.…

系统与控制 · 电气工程与系统科学 2024-10-01 Hannah Lee , Casey Casten , Hosam Fathy

Surface recombination has a major impact on the open-circuit voltage ($V_\text{oc}$) of organic photovoltaics. Here, we study how this loss mechanism is influenced by imbalanced charge transport in the photoactive layer. As a model system,…

This paper aims to introduce a new statistical learning technique based on sparsity promoting for data-driven modeling and control of solar photovoltaic (PV) systems. Compared with conventional sparse regression techniques that might…

系统与控制 · 电气工程与系统科学 2024-05-07 Zhongtian Zhang , Javad Khazaei , Rick S. Blum

Estimating cell-to-cell variation (CtCV) and state of health (SoH) for battery modules composed of parallel-connected cells is challenging when only module-level signals are measurable and individual cell behaviors remain unobserved.…

系统与控制 · 电气工程与系统科学 2026-04-24 Qinan Zhou , Jing Sun

Drones have become indispensable assets during human-made and natural disasters, offering damage assessment, aid delivery, and communication restoration capabilities. However, most drones rely on batteries that require frequent recharging,…

信号处理 · 电气工程与系统科学 2025-07-16 Jonathan Olivares , Tyler Depe , Kanika Sood , Rakeshkumar Mahto

Open circuit voltage decay measurements are performed on methylammonium lead iodide (CH3NH3PbI3) perovskite solar cells to investigate the charge carrier recombination dynamics. The measurements are compared to the two reference…

材料科学 · 物理学 2014-07-07 A. Baumann , K. Tvingstedt , M. C. Heiber , S. Väth , C. Momblona , H. J. Bolink , V. Dyakonov

Kinetic Monte Carlo (KMC) simulations are a powerful tool to study the dynamics of charge carriers in organic photovoltaics. However, the key characteristic of any photovoltaic device, its current-voltage ($J$-$V$) curve under solar…

Constant rise in energy consumption that comes with the population growth and introduction of new technologies has posed critical issues such as efficient energy management on the consumer side. That has elevated the importance of the use…

系统与控制 · 电气工程与系统科学 2021-12-08 Sarvar Hussain Nengroo , Sangkeum Lee , Hojun Jin , Dongsoo Har

The case of a non-biased (light excited) p-n photo-voltaic (PV) cell working in a closed circuit with a resistive load is investigated by means of irreversible thermodynamics in the linear range. To our knowledge, this is the first time…

其他凝聚态物理 · 物理学 2007-05-23 M. Salis , P. C. Ricci , F. Raga , F. Quarati

Accurate identification of lithium-ion battery parameters is essential for estimating battery states and managing performance. However, the variation of battery parameters over the state of charge (SOC) and the nonlinear dependence of the…

系统与控制 · 电气工程与系统科学 2025-09-26 Yang Wang , Riccardo M. G. Ferrari

Longevity and safety of lithium-ion batteries are facilitated by efficient monitoring and adjustment of the battery operating conditions. Hence, it is crucial to implement fast and accurate algorithms for State of Health (SoH) monitoring on…

The incorporation of even small amounts of strontium (Sr) into lead-based quadruple cation hybrid perovskite solar cells results in a systematic increase of the open circuit voltage (Voc) in pin-type perovskite solar cells. We demonstrate…

We report a charge based model to establish the analytical equation, describing the nature of capacitance-voltage ($C$-$V$) characteristics of organic solar cells under dark condition (or organic diodes) over a wide range of voltage,…

应用物理 · 物理学 2018-09-25 Prashanth Kumar Manda , Soumya Dutta

This paper introduces and rationalizes a new model for bidding and clearing energy storage resources in wholesale energy markets. Charge and discharge bids in this model depend on the storage state-of-charge (SoC). In this setting, storage…

系统与控制 · 电气工程与系统科学 2023-01-27 Ningkun Zheng , Xin Qin , Di Wu , Gabe Murtaugh , Bolun Xu