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Ultrafast Doping in Polycrystalline Chalcogenides

Background Cadmium telluride (CdTe) photovoltaic technology is considered one of the most successful commercial thin film solar cell technologies, boasting a power conversion efficiency of approximately 23%. Despite this achievement, the current power conversion efficiency for CdTe modules is still far from the theoretical power conversion efficiency...

Published: 9/15/2025 | Inventor(s): Feng Yan

Keywords(s): PS-Advanced Materials and Nanotechnology, PS-Energy and Power, PS-Environmental, Solar cells, Solar Energy, Thin Films

Category(s): Advanced Materials/Nanotechnology, Alternative Energy, Energy & Power, Environmental, Physical Science

All-Inorganic Perovskites/Chalcogenides Multijunction Solar Cells

Background All-inorganic perovskite solar cells (AI-PSCs) have emerged as a promising technology in the field of photovoltaics, offering significant advancements in efficiency and stability. Perovskite materials as solar energy absorbers are traditionally developed with hybrid organic-inorganic perovskites. These types of hybrid materials demonstrate...

Published: 9/15/2025 | Inventor(s): Feng Yan

Keywords(s): PS-Advanced Materials and Nanotechnology, PS-Energy and Power, PS-Environmental, Solar cells, Solar Energy, Thin Films

Category(s): Advanced Materials/Nanotechnology, Alternative Energy, Energy & Power, Environmental, Physical Science

Stealth Communication System Using Error-Pattern Embedding Case

Wireless networks have seen exponential growth in popularity due to the inherent accessibility provided by the broadcast nature of the wireless medium. However, this ease of reception also introduces significant security vulnerabilities. Within the range of wireless transmissions between transmitters and legitimate receivers, passive eavesdroppers can...

Published: 9/12/2025 | Inventor(s): Yongkyu Jang, Taejoon Kim, David Love

Keywords(s):

Category(s): Wireless & Networking, Physical Science, Intelligence & Security, Cybersecurity, Computing & Information Technology

Excitable Integral Reinforcement Learning (EIRL)

This algorithm is developed in the field of control systems for control of affine nonlinear continuous time (CT) systems, which include important application areas such as robotics and autonomous systems, aerospace, manufacturing, and process control. This invention falls under the class of continuous-time reinforcement learning (CT-RL) control algorithms....

Published: 9/12/2025 | Inventor(s): Jennie Si, Brent Wallace

Keywords(s):

Category(s): Artificial Intelligence/Machine Learning, Physical Science, Applied Technologies, Computing & Information Technology, Intelligence & Security

Superior Computer Chess with Model Predictive Control, Reinforcement Learning, and Rollout Algorithms

Modern AI for strategic games including chess has evolved from early rule-based systems such as brute force engines that relied on handcrafted heuristics and exhaustive search, to sophisticated learning-based methods that can create and refine their own strategies. Reinforcement learning (RL) programs including Alpha Zero mastered chess starting with...

Published: 9/9/2025 | Inventor(s): Dimitri Bertsekas, Yuchao Li, Atharva Gundawar

Keywords(s):

Category(s): Artificial Intelligence/Machine Learning, Computing & Information Technology, Physical Science

Ampule-Based Synthesis of Sulfur-Porous Carbon Composites for Lithium-Sulfur Batteries

Background Lithium/sulfur (Li/S) batteries are garnering significant attention as a promising solution for next-generation electrochemical energy storage. Their potential to revolutionize the battery industry stems from several key advantages that address the limitations of current lithium-ion (Li-ion) technology. These advantages include an exceptionally...

Published: 8/21/2025 | Inventor(s): Yoon Hwa, David Wright, Yuhui An

Keywords(s): Chemicals, Energy storage, Engineering, Materials, Nanomaterials, Synthesis

Category(s): Energy & Power, Physical Science, Advanced Materials/Nanotechnology, Semiconductors, Materials & Processes

AI-Accelerated Parallel Power Flow Analysis in Electrical Power Grids

Background Modern electrical grids tend to have higher penetration of intermittent energy sources. The grid infrastructure is also more susceptible to physical damage due to increased extreme weather events. Grid operators have to run multiple power flows for different scenarios in real time to continuously monitor the system states and make necessary...

Published: 8/21/2025 | Inventor(s): Amarsagar Reddy Ramapuram Matavalam, Shaban Ghias Satti

Keywords(s):

Category(s): Energy & Power, Physical Science, Artificial Intelligence/Machine Learning

Biobased Hydrogel Crystals for Dust Suppression

Background Airborne dust emission can lead to adverse effects on human health (e.g., respiratory problems and cardiovascular issues) and the surrounding environment (e.g., contamination of water bodies and degradation of vegetation). One commonly used short-term method to mitigate airborne dust is spraying water on the soil surface. However, as the...

Published: 8/21/2025 | Inventor(s): Ravi Yellavajjala, Maedeh Hesami

Keywords(s): Fugitive dust, Materials

Category(s): Physical Science, Environmental, Advanced Materials/Nanotechnology, Manufacturing/Construction/Mechanical

Multi-Parameter Simulation Generative Adversarial Network (MPS-GAN)

Background Quality in manufacturing ensures the adherence of built products to the specifications set by the designer and their proper functioning when put into operation. An important factor influencing products’ quality is the contamination of process (or build) parameters used during the manufacturing process. The choice of these build conditions...

Published: 8/21/2025 | Inventor(s): Shenghan Guo, Hasnaa Ouidadi

Keywords(s):

Category(s): Physical Science, Artificial Intelligence/Machine Learning, Wireless & Networking, Applied Technologies

Machine Learning-Enhanced Aircraft Landing Schedule Algorithm

Background The civil aviation industry is losing air traffic control talents during a time when the need for maintaining daily operations is surging. This situation leads to increased operational costs, higher safety concerns, an elevated workload for air traffic controllers, and frequent flight delays. It is reported that 20% of the civil flights...

Published: 8/21/2025 | Inventor(s): Yongming Liu, Yutian Pang, Jueming Hu

Keywords(s):

Category(s): Physical Science, Artificial Intelligence/Machine Learning, Applied Technologies

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