As the penetration of distributed photovoltaic (PV) generation continues to rise globally, the integration of multiple solar inverters in parallel configurations has become a standard practice in modern power systems. However, this proliferation introduces complex dynamic interactions, particularly harmonic resonances, which threaten grid stability and power quality. In my research, I address the critical issue of resonance in multi-parallel solar… Read more: Resonance Suppression in Multi-Parallel Solar Inverters

Energy is a vital material foundation for human production and daily life, and its utilization directly influences the development level of human society. With further reliance on fossil fuels, these resources are projected to be exhausted within a century if the energy structure remains unadjusted, triggering a global energy crisis. To address this, countries worldwide have introduced policies to restructure… Read more: Research on FCS-MPC Strategy of Single-Phase Solar Inverter Parallel System

As the global energy structure accelerates its transition toward low-carbon and renewable sources, technologies such as wind power, photovoltaics, hydroelectricity, and biomass have become central drivers of power system innovation. These clean energy sources provide significant environmental benefits and inherent renewability; however, their distributed and intermittent characteristics—such as the diurnal fluctuations of solar power and seasonal variability of wind energy—lead… Read more: Introduction to the Thermal Management Challenge for Grid-Scale Energy Storage Battery Systems

The pursuit of higher efficiency and lower cost in photovoltaic technology consistently drives innovation in device architecture. Among various approaches, thin film solar panels present a compelling pathway by significantly reducing material usage. However, the inherent trade-off with reduced thickness is a corresponding decrease in light absorption, particularly for near-infrared photons where silicon, the dominant semiconductor material, exhibits a weak… Read more: Optical Absorption Enhancement in Thin Film Solar Panels via Cosine Grating Structures: A First-Principles Analysis

The relentless pursuit of higher energy density and longer cycle life continues to drive innovation in energy storage technologies. Among various candidates, advanced anode materials for the li ion battery hold a pivotal key. Graphite, the incumbent commercial anode, is limited by its theoretical capacity of 372 mAh g⁻¹. Silicon (Si) and its oxides (SiOx, 0≤x≤2) have emerged as the… Read more: Spherical Si-Based Carbon-Coated Anodes for Li-Ion Batteries

I have conducted a comprehensive investigation into the remaining useful life (RUL) prediction of lithium-ion cells because the health state of a lithium-ion cell directly determines the safety, reliability, and total cost of ownership of energy storage systems, portable electronics, and electric vehicles. The degradation of a lithium-ion cell is governed by complex electrochemical processes that are coupled with temperature,… Read more: Data-Driven Lifetime Prediction for Lithium-Ion Cells

In recent years, the escalating global energy demand and environmental concerns have driven intensive research into sustainable energy storage systems. Among these, sodium-ion batteries have emerged as a promising alternative to lithium-ion batteries due to the abundant natural reserves of sodium and its similar electrochemical properties to lithium. However, the development of high-performance anode materials for sodium-ion batteries remains a… Read more: Preparation of Pitch-Based Hard Carbon via Bifunctional Activation for Sodium-Ion Battery Anodes

Traditional fault detection methods for drive motor inverters in new energy vehicles are mostly implemented based on threshold comparison and data-driven principles. They struggle to adapt to the time-varying characteristics of parameters under dynamic operating conditions, leading to missed detections or false alarms for certain faults and a decline in actual detection accuracy. To address these issues, I propose a… Read more: Fault Detection of Drive Motor Inverter Using Wavelet Neural Network

I designed and evaluated a single-phase photovoltaic off-grid inverter based on an STM32F103-series microcontroller. The work began from a simple observation: energy demand keeps rising, while conventional fossil resources are limited and their use creates environmental pressure such as acid rain, greenhouse effects, and smog. Solar energy is clean, widely available, and effectively inexhaustible. For remote areas, emergency power, portable… Read more: Design of a Single-Phase Photovoltaic Off-Grid Inverter Based on STM32

1. Introduction and Background In recent years, the rapid advancement of global economies and technologies has brought about a dramatic rise in the demand for clean energy. Among various renewable energy sources, solar energy has been recognized as one of the most promising alternatives to fossil fuels. The solar panel, also known as photovoltaic (PV) module, is the core component… Read more: Research on Solar Panel Fault Detection Based on Deep Learning

In the rapidly evolving landscape of energy storage, the demand for short-duration, high-frequency, and high-power output systems has become paramount across various sectors, including renewable energy integration, power grid stabilization, aerospace applications, and electromagnetic or directed-energy equipment. Among the available technologies, the lithium-ion battery stands out due to its relatively high energy density, but traditional high-power lithium-ion batteries often struggle… Read more: Ultrahigh-Power Lithium-Ion Batteries via Nano/Micro-Structured LiCoO2 Graded-Particle Cathode Design

The integration of energy storage battery systems with renewable energy sources has become critical for achieving carbon neutrality goals and enhancing grid stability. This paper analyzes the technical and economic impacts of lithium iron phosphate (LiFePO₄) energy storage batteries in grid-connected photovoltaic (PV) systems, focusing on peak shaving, frequency regulation, and system stabilization. Key Functions of Energy Storage Battery Systems… Read more: Application of Energy Storage Battery Systems in Grid-Connected Renewable Energy Power Generation

In the transition toward a low‑carbon energy future, new energy generation technologies such as wind and solar power have been widely deployed. However, their inherent intermittency and spatial imbalance pose significant challenges to grid stability and power quality. Battery energy storage systems (BESS) have emerged as a critical enabler to address these issues by converting and storing electrical energy in… Read more: Battery Energy Storage Systems in New Energy Generation

In recent years, the increasing penetration of renewable energy, particularly wind power, has introduced new challenges to the security and stability of power systems. Among these challenges, voltage ride-through (VRT) capabilities of wind turbines under grid faults have been extensively studied, with a focus on low-voltage ride-through (LVRT). However, unbalanced high-voltage ride-through (UHVRT) scenarios, such as those caused by asymmetrical… Read more: Optimized Sliding Mode Control for On-Grid Inverter in Unbalanced High Voltage Ride-Through

Perovskite solar cell technology has become one of the most promising pathways for next-generation photovoltaics because of its tunable bandgap, strong light absorption, low-temperature processability, and rapidly increasing power conversion efficiency. In my work, I focus on wide-bandgap perovskite solar cell devices with an optical bandgap of approximately 1.65 eV, because such devices are critical top-cell candidates for tandem architectures.… Read more: Machine Learning-Driven Acceleration of Perovskite Solar Cell Development

I begin this review from a simple but consequential observation: a solid electrolyte cell promises high energy density and improved safety because its electrolyte is nonflammable, mechanically robust, and capable of sustaining ionic transport over a wide temperature window. Yet the same solid electrolyte cell remains limited by lithium dendrite evolution, which can induce interfacial failure, electrolyte fracture, and internal… Read more: Lithium Dendrite Evolution and Multiphysics Modeling in Solid Electrolyte Cells

In the rapidly evolving landscape of renewable energy, photovoltaic (PV) technology stands as a cornerstone of sustainable development. Among the various PV applications, building-integrated photovoltaics (BIPV) has gained significant traction, particularly with the adoption of cadmium telluride (CdTe) thin-film solar glass. CdTe offers unique advantages such as weak light performance, customizable aesthetics, and suitability for facade integration. However, one critical… Read more: Modular Microinverter System for CdTe Building-Integrated Photovoltaics

The imperative for energy storage solutions has become a cornerstone of global energy strategy in the face of climate challenges. Among the various technologies, lithium-ion battery-based energy storage stands as a core pillar due to its advantages in power and energy density, cycle life, and environmental profile. However, the rapid scaling of this technology brings forth significant safety concerns, with… Read more: Experimental Investigation of Thermal Runaway Behavior in Immersion-Cooled, High-Capacity Lithium-Ion Battery Energy Storage Modules

I have devoted my recent research to the development of advanced solid electrolytes for power batteries used in new energy aircraft. The electrification of aviation is no longer a distant vision; it is a rapidly expanding engineering reality driven by the need for zero-carbon flight, low noise, high efficiency, and operational safety. In this context, the solid state cell has… Read more: Sintering Solid Electrolytes for Aircraft Power

In modern power systems, the integration of renewable energy sources has introduced significant challenges to frequency stability due to their intermittent and variable nature. As a pivotal solution, battery energy storage systems have emerged as a key technology for providing fast and flexible frequency regulation services. Their unique characteristics, such as high ramp rates, precise power control, and bidirectional energy… Read more: Coordinated Control Strategy of Battery Energy Storage Systems for Power System Frequency Regulation

To maintain safe and reliable operation of microgrids and improve power quality, understanding the performance of energy storage systems with different battery types is critical. This study focuses on lead-acid and lead-carbon batteries, analyzing their characteristics through experimental comparisons and proposing optimal selection strategies. 1. Performance Analysis of Energy Storage Batteries 1.1 Cycle Life Modeling The cycle life (NB) of… Read more: Performance Comparison and Selection of Energy Storage Batteries in Microgrid Integrated Energy Storage Systems

Solar photovoltaic (PV) capacity has expanded rapidly over the past decade, and solar inverters have become indispensable interfaces between PV arrays and the power grid. Among all components in a solar inverter, the insulated-gate bipolar transistor (IGBT) module is recognized as one of the most failure-prone parts. The junction temperature of IGBT modules fluctuates because of intermittent solar irradiance and… Read more: Lifetime Evaluation and Thermal Management of IGBT Modules in Solar Inverters

In my research, I focus on the design and validation of a data acquisition system for a solar inverter based on the MODBUS-RTU protocol. The motivation for this work comes from the rapid expansion of photovoltaic generation and the increasing need to monitor, manage, and optimize solar inverter operation in distributed and remote photovoltaic plants. A solar inverter is not… Read more: MODBUS-RTU Solar Inverter Data Acquisition

As an indispensable component of modern energy infrastructure, solar panels have experienced rapid deployment globally. However, the frequent occurrence of extreme cold weather events poses significant operational challenges, particularly snow accumulation on panel surfaces. This issue severely compromises the power generation efficiency of solar panels, leading to substantial economic losses and even catastrophic structural failures due to excessive snow loads.… Read more: Research on Snow Cover Monitoring System for Solar Panels Based on Interdigitated Capacitors

The rapid proliferation of renewable energy, particularly photovoltaic (PV) systems, has thrust power electronic converters, especially inverters, into a central role within modern energy infrastructure. For residential prosumers equipped with solar panels, the demand for efficient, reliable, and intelligent small-power inverters is steadily growing. Advancements in power electronics and digital control now mandate higher performance standards: operational stability, high conversion… Read more: Design of a Single-Phase Grid Tied Inverter Based on STM32

In recent years, smart grids have progressively become a focal point of research in the power sector. As a practitioner in this field, I have observed a growing emphasis on enabling the healthy and rapid development of smart distribution networks. One of the key characteristics of smart grids is their ability to support the rational integration of numerous distributed generation… Read more: Integration and Key Technologies of Solar Inverters in Smart Grids

I introduced 1-adamantylamine hydrochloride (ADA) as an interfacial modifier between tin dioxide (SnO2) and the perovskite layer to form an electron reflux barrier layer in perovskite solar cells. The ADA layer was deposited by spin coating from isopropanol solutions at different mass concentrations. The amino lone pair electrons in ADA can coordinate with under-coordinated Pb2+ and passivate oxygen vacancies on… Read more: Electron Reflux Barrier in Perovskite Solar Cells

In the pursuit of sustainable and cost-effective energy storage solutions, sodium-ion batteries (SIBs) have emerged as a compelling alternative to the dominant lithium-ion technology. The driving forces behind this shift are the abundant and evenly distributed sodium resources, which offer significant cost advantages and supply chain security. While sharing a similar working principle with lithium-ion batteries, SIBs exhibit distinct characteristics,… Read more: O3-Type Layered Oxides for Sodium-Ion Batteries: A Comprehensive Review

I present a data-driven framework for Li-ion battery remaining useful life prediction that treats the measured capacity trajectory as the primary health signal and learns its degradation dynamics directly from aging data. The motivation is practical: a Li-ion battery is a complex electrochemical system whose internal state cannot be observed directly during normal operation, yet its safety, available energy, and… Read more: Data-Driven Li-ion Battery Life Prediction

In this paper, we investigate the optimal configuration of battery energy storage systems (BESS) in distribution networks under the influence of wind and solar uncertainty. The work focuses on reducing the daily average network loss while accounting for the stochastic nature of renewable generation. We establish wind and photovoltaic probability models, construct a joint wind–solar output function using the Frank… Read more: Optimal Configuration of Energy Storage Systems in Distribution Networks with Wind and Solar Uncertainty

In my extensive research into the manufacturing processes of new energy vehicle energy storage systems, I have focused on the assembly segment equipment for Lithium Iron Phosphate (LFP) prismatic aluminum shell li-ion battery cells. This segment is critical for ensuring the performance, safety, and efficiency of li-ion batteries, which are the backbone of modern electric vehicles. The assembly segment encompasses… Read more: Research on Assembly Segment Equipment for LFP Prismatic Aluminum Shell Li-ion Battery Cells

In the pursuit of sustainable energy solutions, thin film solar panels have emerged as a promising technology due to their reduced material usage and potential for low-cost manufacturing. However, a fundamental challenge lies in their limited light absorption efficiency, primarily because of the thin active layers that fail to fully capture incident solar radiation. As a researcher in photovoltaics, I… Read more: Design of Optical Structures for Enhancing Spectral Response in Thin Film Solar Panels

The global imperative for “carbon peak and carbon neutrality” has dramatically accelerated the development of energy storage technologies. Among these, rechargeable metal-ion batteries are regarded as one of the most effective solutions for meeting the growing demand for high-energy-density power sources. For over two decades, mature lithium-ion battery (LIB) technology has dominated the market for portable electronics and electric vehicles.… Read more: Advancing Na3V2(PO4)3Cathode Materials for Next-Generation Sodium-Ion Batteries

I have focused my effort on inverted perovskite solar cells because their p-i-n architecture offers attractive opportunities for low-temperature processing, flexible device integration, and tandem photovoltaic applications. In the broader field of photovoltaic research, the perovskite solar cell has advanced at an extraordinary pace, with certified power conversion efficiency rising from 3.8% in early reports to more than 27% in… Read more: 4HPCl-Mediated Defect Passivation in Inverted Perovskite Solar Cells

Battery energy storage systems, especially those based on lithium-ion batteries, are critical infrastructure for modern power grids. They enable the integration of renewable energy sources, improve grid stability, and support the transition toward carbon neutrality. However, the frequent occurrence of thermal runaway incidents in battery energy storage systems poses severe safety risks, often leading to fires or explosions. Thermal runaway… Read more: Early Active Safety Warning Techniques for Thermal Runaway in Battery Energy Storage Systems

I treat the state of health of a lithium ion battery as a proactive state-awareness variable for low-voltage TN-C-S distribution systems rather than as a direct leakage or trip criterion. In my view, the degradation of a lithium ion battery is one of the earliest measurable indicators of reduced operating margin in an energy storage branch. As a lithium ion… Read more: SOH Estimation for Lithium Ion Battery Safety in TN-C-S Distribution

The pursuit of carbon neutrality has propelled lithium-ion batteries to the forefront of energy storage technologies for electric vehicles and grid-scale applications, owing to their high energy density and long cycle life. However, the safety of lithium-ion batteries under extreme conditions remains a paramount concern. Among various failure modes, thermal abuse—where the battery is subjected to temperatures beyond its safe… Read more: A Comparative Investigation of Thermal Abuse Testing Methodologies for Lithium-Ion Batteries: Insights from NCA and LFP Systems

The global energy transition has placed photovoltaic (PV) power generation at the forefront of sustainable development. As the penetration of solar energy increases, maximizing the efficiency of every system component becomes paramount. Among these components, the solar inverter plays a critically decisive role. It is the device responsible for converting the direct current (DC) produced by PV modules into grid-compatible… Read more: Research on Efficiency Improvement of Solar Inverters in Photovoltaic Power Generation Systems

In this work, I focus on the conversion efficiency of solar inverters in photovoltaic power generation systems. Solar inverters are the central interface between photovoltaic modules and the grid, and their efficiency directly determines how much of the available solar energy can be delivered as useful electricity. Because solar inverters operate under continuously changing irradiance, temperature, load, and grid conditions,… Read more: Efficiency Improvement of Solar Inverters

In the rapidly evolving landscape of renewable energy systems, the role of grid-connected inverters has become increasingly critical. Among the various types of power converters used in modern energy systems, understanding the different types of solar inverters is essential for selecting the appropriate control strategy. The types of solar inverters include string inverters, microinverters, central inverters, and hybrid inverters, each… Read more: Robust Model Predictive Control for Grid-Connected Inverters Based on Disturbance Observer

I have found that the lithium dendrite problem in a solid state battery is one of the most instructive examples of how a single failure mode can be misunderstood for more than a decade. When I first started reading the literature on solid state battery interfaces, the dominant narrative was remarkably simple: replace the flammable liquid electrolyte with a stiff… Read more: Multiphysics Modeling of Lithium Dendrite Evolution in Solid-State Batteries

From my perspective as a researcher deeply invested in spectroscopic electrochemistry, the quest to understand and improve energy storage systems is fundamentally a quest to observe and control matter at the molecular and atomic scale during operation. Among the arsenal of characterization techniques, electrochemical Raman spectroscopy stands out as a uniquely powerful, in-situ, and non-invasive fingerprinting tool. Its synergy with… Read more: Electrochemical Raman Spectroscopy: An In-Depth Operando Probe for the Evolving Landscape of Li-Ion Battery Anode Materials

In the context of the global transition toward renewable energy, the integration of wind and solar power introduces significant uncertainty and variability into power systems. Battery energy storage systems have emerged as a critical enabler to mitigate these challenges due to their fast response and regulation capability. However, as the penetration of energy storage batteries increases, their own failure characteristics—such… Read more: Power System Operational Reliability Assessment Considering Battery Energy Storage System Failures

The integration of renewable energy sources, particularly photovoltaic (PV) generation, has become a cornerstone of modern power systems. The grid connected inverter serves as the critical interface between the PV array and the utility grid, responsible for converting DC power to AC power and ensuring its compliant injection. However, the power electronic switching inherent to these inverters introduces current harmonics… Read more: Research on Harmonic Suppression of LLCL Photovoltaic Grid Connected Inverters

In this study, I present a systematic approach for identifying the low-voltage ride-through control mode and the associated control parameters of a solar inverter electromechanical transient model. The proposed identification framework is based on the multi-objective differential evolution algorithm. The goal is to reconstruct the black-box control behavior of modern solar inverters during grid faults, which is essential for accurate… Read more: Solar Inverter LVRT Parameter Identification Using MODE Algorithm

As the global energy crisis and environmental concerns intensify, renewable energy sources have become a central pillar of modern energy strategies. Among them, solar energy stands out due to its abundance, cleanliness, and sustainability. Solar panels, also known as photovoltaic panels, convert sunlight directly into electricity through the photovoltaic effect. However, during long-term outdoor operation, solar panels are exposed to… Read more: Improved SSD for Solar Panel Defect Detection

With the increasing severity of global ecological challenges and the growing demand for renewable energy, solar energy has become a critical component in the transition toward sustainable power systems. Solar panels, as the core components of photovoltaic systems, directly determine the stability and efficiency of power generation. However, defects on the surface of solar panels, such as scratches, cracks, hotspots,… Read more: Research on Defect Detection Method of Photovoltaic Panel Based on YOLO Algorithm

In the context of global decarbonization goals, renewable energy sources, particularly solar power, have seen rapid integration into power systems. By the end of 2021, the installed capacity of solar power in China reached 306 million kilowatts, accounting for 13.8% of the total national generation capacity, with a year-on-year growth of 20.9%. The solar inverter, as a core component of… Read more: Integrated Identification Strategy for Control Modes and Parameters in Solar Inverter Electromechanical Transient Models

As a researcher deeply involved in the safety of large-scale battery energy storage systems, I have witnessed firsthand how the rapid deployment of lithium-ion battery energy storage systems (BESS) has become a cornerstone of modern power grids. The global push toward carbon neutrality and renewable energy integration has propelled BESS installations to unprecedented levels. By the end of 2023, cumulative… Read more: Battery Energy Storage System Safety Research Progress

When I first began supervising undergraduate laboratory work in optoelectronic materials and devices, I noticed a persistent gap between what students could explain on paper and what they could actually accomplish with their hands. They could recite the operating principle of a photovoltaic device, sketch a band diagram, and define the photovoltaic conversion efficiency in an examination, yet almost none… Read more: Open-Ended Experimental Design for Perovskite Solar Cells

Compressed air energy storage systems are widely applied in the field of power generation systems. They help promote the consumption of clean energy and improve the efficiency, stability, and economy of the power system. The radial inflow turbine expander is one of the key components of the compressed air energy storage system, responsible for converting the internal energy of compressed… Read more: Performance Optimization and Flow Field Analysis of Low-Noise Expanders in Compressed Air Energy Storage Systems

The performance of lithium-ion battery cells is intrinsically linked to the complex, three-dimensional microstructure of their porous electrodes. The cathode, in particular, is a composite material where active material particles, conductive carbon additives, and binder form a porous network infiltrated by electrolyte. Understanding and optimizing this microstructure is crucial for enhancing properties like energy density, rate capability, and cycle life.… Read more: Pore-Scale Modeling and Validation of Lithium-Ion Battery Cathode Materials

I designed, analyzed, and tested a non-isolated two-stage series solar inverter for small and medium photovoltaic power plants. This solar inverter converts the DC electricity produced by PV modules into AC electricity that is synchronized with the public grid. My main objective was to improve output power quality, conversion efficiency, reliability, and safety while reducing cost and volume. I selected… Read more: Non-Isolated Two-Stage Solar Inverter

I have focused my investigation on the urgent need for high-performance power sources in the rapidly evolving field of electric aviation. The transition toward zero-carbon flight, electric vertical take-off and landing aircraft, and hybrid-electric regional airplanes depends on batteries that can deliver high energy density, high safety, long cycle life, and reliable operation under demanding conditions. Among the many candidate… Read more: Advanced Sintering of Solid Electrolytes for New Energy Aircraft Power

As we delve into the intricate world of energy storage, the pivotal role of the solid electrolyte interphase (SEI) in lithium-ion battery operation becomes undeniably clear. This nanoscale passivation layer, formed in situ during the initial charging cycles, acts as the critical gatekeeper at the anode-electrolyte frontier. Its primary function is elegantly dualistic: to conduct lithium ions with minimal resistance… Read more: The Architect Within: Unraveling the Influence of SEI Morphology and Structure on Li-ion Battery Performance

As a researcher deeply engaged in photovoltaic (PV) power generation and grid integration, I have observed that the performance of PV inverters is increasingly challenged by the complexity of modern power grids. The inverter is the core component that converts direct current (DC) from solar panels into alternating current (AC) for grid connection. Its ability to maintain stable, efficient, and… Read more: Adaptive Analysis of Photovoltaic Inverters in Complex Power Grid Environments

In recent years, the rapid rise of the global energy internet, centered on “smart grid + ultra-high voltage grid + clean energy,” has highlighted the importance of integrating renewable sources like wind and solar power. However, the output of these clean energy sources is characterized by volatility and uncertainty, which, when connected to the grid on a large scale, increases… Read more: Optimal Configuration of Frequency Regulation Energy Storage Battery Considering Rate Characteristics

In my analysis of advanced energy storage systems, I consistently return to one central material: lithium cobalt oxide, LiCoO2. Since its successful commercialization, LiCoO2 has remained a benchmark cathode for high-energy lithium-ion cells, especially in portable electronics, wearable devices, and emerging electric transportation platforms. The reason is straightforward: LiCoO2 combines a high operating voltage, a relatively flat discharge plateau, good… Read more: Modification of Lithium Cobalt Oxide for Lithium-Ion Cells

1. Introduction In the context of the global energy transition, solar energy has become a critical component of renewable energy systems. Photovoltaic (PV) power generation, as a clean and sustainable alternative to conventional energy sources, is expanding rapidly worldwide. According to data released by the National Energy Administration, the cumulative installed capacity of solar power has surpassed other renewable energy… Read more: Research on Power Balance Control of Single-Phase Photovoltaic Cascaded H-Bridge Inverters

As a researcher in power electronics, I have long been fascinated by the intricate behaviors of utility interactive inverters, which serve as the critical interface between distributed energy resources and the utility grid. These systems are inherently nonlinear, and their stability is paramount for reliable operation. In this article, I will delve into the nonlinear dynamics of a specific utility… Read more: Nonlinear Dynamics and Control in Utility Interactive Inverters: A Comprehensive Analysis of H6 Topology with Quasi-PR Regulation