Shanghai, China. Siemens Finance and Leasing Ltd. (SFLL) is Siemens Financial Services'' leasing and structured finance arm incorporated in China. We specialize in providing tailored equipment and sales financing solutions with particular focus on healthcare, construction, agriculture, renewable energy and industrial sectors.
Jianjun Hu CV Professor Department of Computer Science and Engineering University of South Carolina Columbia, SC 29208 Office: 2223 Storey Innovation Center Phone: 803-777-7304 Fax: 803-777-3767 Email: jianjunh_AT_cse.sc Office hours:TBD or
Grid-level large-scale electrical energy storage (GLEES) is an essential approach for balancing the supply–demand of electricity generation, distribution, and usage. Compared with conventional energy storage methods, battery technologies are desirable energy storage devices for GLEES due to their easy modularization, rapid response, …
Jianjun Hu, Bo Mei, Hang Peng, Zihan Guo. Discretely variable speed ratio control strategy for continuously variable transmission system considering hydraulic energy loss [J]. Energy, 2019,180:714-727. Jianjun Hu, Xiyuan Niu, Xingyue Jiang,Guoqiang Zu.
Jianjun HU | Cited by 176 | of Chongqing University of Technology, Chongqing | Read 42 publications | Contact Jianjun HU This paper discusses the effects of TiN coating on gear ...
Anaerobic digestion (AD) is a biological process that can convert organic substrates to biogas in the absence of oxygen. The AD process has been practiced for centuries; however, it is still a research focus in contemporary literature. This mini-review selected papers published in 2015 and summarized the improvement and technological ...
Two-dimensional (2D) materials have emerged as promising functional materials with many applications such as semiconductors and photovoltaics because of their unique optoelectronic properties. Although several thousand 2D materials have been screened in existing materials databases, discovering new 2D materials remains …
A large capacity and high power energy storage flywheel system(FESS) is developed and applied to wind farms in this paper, focusing on the high efficiency design of ...
To sum up, the results presented in this study have established a pseudocapacitive bulk-form ion/charge storage mechanism, i.e. intercalation pseudocapacitance, of a-TiO 2, which permits high-rate energy storage at …
The pore volume of micropores (<0.1 μm) plays an essential role in the radon exhalation capacity, which is directly related to the fractal dimension of micropore structure in the heated limestone.
As an effective expression means of tourists'' opinions, text mining of such data has big potential to inspire innovations for tourism practitioners. In the past decade, a variety of text mining techniques have been proposed and applied to tourism analysis to develop tourism value analysis models, build tourism recommendation systems, create tourist profiles, …
Energy storage is the capturing and holding of energy in reserve for later use. Energy storage solutions for electricity generation include pumped-hydro storage, batteries, flywheels, compressed-air energy storage, hydrogen storage and thermal energy storage components. The ability to store energy can reduce the environmental …
Among them, we have predicted 101 crystal structures and confirmed 92 2D/layered materials by DFT formation energy calculation. Our results show that generative machine learning models provide an …
In summary, we trained various machine learning models for screening large-scale structures in search of thermal energy storage materials with the target being high heat …
Featured with zero-carbon, jam-free, and high-capacity, the utilization of metro systems for collaborative passenger-and-freight transport (i.e., the metro-based underground logistics system, M ...
Jianjun Hu received the B.E. and M.E. degrees in mechanical engineering from the Wuhan University of Technology, Wuhan, China, in 1995 and 1998, respectively, and the Ph.D. degree in computer science from the Michigan State University, East Lansing, MI
Thermal energy storage offers numerous benefits by reducing energy consumption and promoting the use of renewable energy sources. Thermal energy storage materials have …
PI: Jianjun Hu, NSF CAREER Award: "Computational Analysis and Prediction of Genome-Wide Protein Targeting Signals and Localization", $578,212, 2009 to 2014. PI: Hexin Chen, Co-PI: Jianjun Hu, Elsa U. Pardee Foundation Award. "Identification of
Jianjun Hu is Eng/Env Technology Researcher III in Simulation Research Group of Building Technology and Urban Systems Division. His major focus is the development of open platform tool for designing building control and system commissioning. He is also playing major role on developing next generation of building energy and control simulation tool.
Increasing the charging voltage to 4.6 V directly enhances battery capacity and energy density of LiCoO2 cathodes for lithium-ion batteries. However, issues of the activated harmful phase evolution and surface instability in high-voltage LiCoO2 lead to dramatic battery capacity decay. Herein, polyanionic PO4
As a new energy conversion model, the integrated energy system (IES) maintains the balance of supply and demand of various energy sources to a certain extent. The IES can improve the terminal energy efficiency and intelligence level of the energy system by energy conversion and utilization, collaborative optimization, coupling and …
A large capacity and high-power flywheel energy storage system (FESS) is developed and applied to wind farms, focusing on the high efficiency design of the important electromagnetic components of the FESS, such as motor/generator, radial magnetic bearing (RMB), and axial magnetic bearing (AMB). First, a axial flux permanent magnet …
PDF | On Jan 1, 2017, Zhipeng Wu and others published A Novel Control Strategy for Large-Capacity Energy Storage Systems Based on Virtual Synchronous Generator | Find ...
Disease gene discovery, protein-peptide binding prediction for drug design, and protein design. Big data driven predictive analytics for healthcare. Fault diagnosis, text mining, …
Jianjun HU, Principal Scientific Engineering Associate | Cited by 378 | of Lawrence Berkeley National Laboratory ... Ventilation and Air Conditioning (HVAC) systems and thermal storage devices, to ...
(DOI: 10.1016/J POSITESB.2020.108340) Different from conventional materials, materials with negative Poisson''s ratios expand laterally when stretched longitudinally. Known as ''auxetic'' materials, the effect means they possess particularly fascinating properties, which have recently attracted considerable attention in the literature. A range …
Coin cell performance at room temperature and at 40 C indicates that LiNi{sub 1-x}CoâOâ with a large crystal particle size (P{sub c}) has a low capacity fade rate. The irreversible capacity is ...
Jianjun Hu Andrey A Voevodin Multiphysics properties of polymer nanocomposites (PNCs) are of interest for polymer-based microelectromechanical systems, tactile sensors, and flexible electronics.
Pumped hydro makes up 152 GW or 96% of worldwide energy storage capacity operating today. Of the remaining 4% of capacity, the largest technology shares are molten salt (33%) and lithium-ion batteries (25%). Flywheels and Compressed Air Energy Storage also make up a large part of the market.
The low-cost metal halides are theoretically ideal cathode materials due to their advantages of high capacity and redox potential. However, their cubic structure and large energy barrier for deionization impede their rechargeability. Here, the reversibility of potassium halides, lithium halides, sodium halides, and zinc halides is achieved ...
Energy storage is the capture of energy produced at one time for use at a later time [1] to reduce imbalances between energy demand and energy production. A device that stores energy is generally called an accumulator or battery. Energy comes in multiple forms including radiation, chemical, gravitational potential, electrical potential ...
In Section III, a model for optimal allocation of two-tier energy storage capacity with multiple time scales nested is developed. The simulation results and discussions are presented in Section IV. Conclusions are presented in the last section. 2. Energy storage2.1
In July 2021 China announced plans to install over 30 GW of energy storage by 2025 (excluding pumped-storage hydropower), a more than three-fold increase on its installed capacity as of 2022. The United States'' Inflation Reduction Act, passed in August 2022, includes an investment tax credit for sta nd-alone storage, which is expected to boost the …
Abstract. Grid-level large-scale electrical energy storage (GLEES) is an essential approach for balancing the supply–demand of electricity generation, distribution, …
Large-capacity lithium iron phosphate (LFP) batteries are widely used in energy storage systems and electric vehicles due to their low cost, long lifespan, and high safety.
Taiyuan University of Technology - Laboratory of Green Energy Materials and Storage Systems Jianjun Liu ... Such Zn-PTCDA delivers a high specific capacity of 357 mAh g-1 at a current density of 50 mAg-1 within the …
In comparison to conventional supercapacitors that commonly fall short of energy densities, the intercalation pseudocapacitors have combined high charge-storage capacity and fast charge/discharge rates from their unique charge storage mechanism of fast kinetics without the limitation of diffusion. ...
Their large scale incorporation into existing electricity grids will be complex, and their successful integration will likely depend on large-capacity electrical energy storage. This white paper''s primary goal is to provide a global view on the current state and future directions for grid integration of large-capacity renewable energy sources and the …
Integration of safety and energy storage: Experimental study on thermal and flame-retardant properties of ammonium polyphosphate/polyvinyl alcohol/modified melamine foam as a …
Thermal energy storage (TES) systems are a key technology that utilizes renewable energy and low-level thermal energy to ensure continuous and stable …