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相关论文: Dynamic Nuclear Polarization in Battery Materials

200 篇论文

Density Functional Theory (DFT) calculations were used to evaluate polarity of group III nitrides, such as aluminum nitride (AlN), gallium nitride (GaN) and indium nitride (InN) providing physically sound quantitative measure of polarity of…

介观与纳米尺度物理 · 物理学 2011-11-17 Pawel Strak , Pawel Kempisty , Konrad Sakowski , Stanislaw Krukowski

Deep learning (DL) has indeed emerged as a powerful tool for rapidly and accurately predicting materials properties from big data, such as the design of current commercial Li-ion batteries. However, its practical utility for multivalent…

材料科学 · 物理学 2022-01-13 Xiuying Zhang , Jun Zhou , Jing Lu , Lei Shen

The information on the symmetry energy and its density dependence is deduced by comparing the available data on the electric dipole polarizability $\alpha_D$ of ${}^{68}$Ni, ${}^{120}$Sn, and ${}^{208}$Pb with the predictions of the Random…

The optical properties of molecules close to plasmonic nanostructures greatly differ from their isolated molecule counterparts. To theoretically investigate such systems in a Quantum Chemistry perspective, one has to take into account that…

介观与纳米尺度物理 · 物理学 2016-12-26 Silvio Pipolo , Stefano Corni

The Poisson-Nernst-Planck (PNP) equations are fundamental for modeling ion transport in electrochemical systems, capturing the intricate interplay of concentration gradients, electric fields, and ion fluxes essential for applications such…

化学物理 · 物理学 2025-01-13 Yitao He , Dan Zhao

Purpose: A novel dissolution dynamic nuclear polarization (dDNP) polarizer platform is presented. The polarizer meets a number of key requirements for in vitro, pre-clinical and clinical applications. Method: It uses no liquid cryogens,…

Dielectrophoresis can potentially be used as an efficient trapping tool in the fabrication of molecular devices. For nanoscale objects, however, the Brownian motion poses a challenge. We show that the use of carbon nanotube electrodes makes…

We conduct a comprehensive study on a new task named power battery detection (PBD), which aims to localize the dense cathode and anode plates endpoints from X-ray images to evaluate the quality of power batteries. Existing manufacturers…

计算机视觉与模式识别 · 计算机科学 2024-03-01 Xiaoqi Zhao , Youwei Pang , Zhenyu Chen , Qian Yu , Lihe Zhang , Hanqi Liu , Jiaming Zuo , Huchuan Lu

Stable and fast ionic conductors for magnesium cathode materials have the prospect of enabling high energy density batteries beyond current Lithium-ion technologies. So far, only a few candidate materials have been identified leading to…

This review summarizes recent progress in investigating polymer systems by using Differential dynamic microscopy (DDM), a rapidly emerging approach that transforms a commercial microscope by combining real-space information with the…

软凝聚态物质 · 物理学 2021-06-07 Roberto Cerbino , Fabio Giavazzi , Matthew E. Helgeson

Solid state battery technology is motivated by the desire to deliver flexible power storage in a safe and efficient manner. The increasingly widespread use of batteries from mass-production facilities highlights the need for a rapid and…

The entirely soft and transformable room-temperature liquid metal battery based on 3D hybrid printing was proposed and experimentally demonstrated. Liquid metal gallium and conductive gel were employed as the negative and positive electrode…

应用物理 · 物理学 2018-02-07 Fujun Liu , Yongze Yu , Lei Wang , Liting Yi , Jinrong Lu , Bin Yuan , Sicong Tan , Jing Liu

The rapid expansion of electric vehicles has intensified the need for accurate and efficient diagnosis of lithium-ion batteries. Parameter identification of electrochemical battery models is widely recognized as a powerful method for…

机器学习 · 计算机科学 2025-10-29 Hojin Cheon , Hyeongseok Seo , Jihun Jeon , Wooju Lee , Dohyun Jeong , Hongseok Kim

In recent years, researchers have increasingly sought batteries as an efficient and cost-effective solution for energy storage and supply, owing to their high energy density, low cost, and environmental resilience. However, the issue of…

计算物理 · 物理学 2025-03-04 Zirui Zhao , Junchao Xia , Si Wu , Xiaoke Wang , Guanping Xu , Yinghao Zhu , Jing Sun , Hai-Feng Li

The interaction of condensed phase systems with external electric fields is crucial in myriad processes in nature and technology ranging from the field-directed motion of cells (galvanotaxis), to energy storage and conversion systems…

化学物理 · 物理学 2024-09-25 Kit Joll , Philipp Schienbein , Kevin M. Rosso , Jochen Blumberger

For layered materials, the interlayer stacking is a critical degree of freedom tuning electronic properties, while its microscopic characterization faces great challenges. The transition-metal dichalcogenide 1T-TaS$_2$ represents a novel…

材料科学 · 物理学 2025-08-01 Li Cheng , Linpeng Nie , Xuanyu Long , Li Liang , Dan Zhao , Jian Li , Zheng Liu , Tao Wu , Xianhui Chen , Xiaolong Zou

We reveal an interplay between temperature and radical concentration necessary to establish thermal mixing (TM) as an efficient dynamic nuclear polarization (DNP) mechanism. We conducted DNP experiments by hyperpolarizing widely used DNP…

量子物理 · 物理学 2024-04-12 Ludovica M. Epasto , Thibaud Maimbourg , Alberto Rosso , Dennis Kurzbach

We present a sensitive characterization method to image the microstructure of lithium deposits in lithium-ion battery components by Conduction Electron Paramagnetic Resonance Imaging (CEPRI). The versatility of the method is demonstrated…

化学物理 · 物理学 2018-02-02 Arvid Niemöller , Peter Jakes , Rüdiger-A. Eichel , Josef Granwehr

A sensitivity increase of two orders of magnitude in proton (1H) and carbon (13C) spins via dynamic nuclear polarization (DNP) has been accomplished recently using a compact benchtop DNP polarizer operating at 1 T and 77 K. However the DNP…

Artificial neural network potentials (NNPs) have emerged as effective tools for understanding atomic interactions at the atomic scale in various phenomena. Recently, we developed highly transferable NNPs for {\alpha}-iron and…

材料科学 · 物理学 2023-12-01 Shihao Zhang , Fanshun Meng , Rong Fu , Shigenobu Ogata