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查看 COMSOL 用户年会 2024 论文

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电池的电化学极化

孙言飞 [1], 夏厚勇 [1], 韩威振 [1], 苗萌 [1], 樊煜 [1],
[1] 合肥国轩高科动力能源有限公司

在电池的性能比较过程中总存在温升、恒流比、容量保持率、倍率性等电性能比较，其中影响这些性能的重要参数就是电池的极化大小。然而现实使用中极化很难以量化，仅仅用直流或者交流内阻来表示还显得单一且不具有说服力 ... 扩展阅读

低温条件对锂离子电池充电过程中正极液相扩散极化的影响

袁子贺 [1], 李文华 [1], 范文奕 [1], 焦志鹏 [1], 邵方旭 [1],
[1] 河北工业大学

锂离子电池的充电性能受环境温度影响较大，低温条件下充电极化电压升高充电容量下降的问题一直限制了锂离子电池的发展。本文以电化学反应动力学、质量守恒、电荷守恒和能量守恒为理论基础 ... 扩展阅读

The APP as a Tool, A First Principles Approach

R. W. Pryor[1],
[1] Pryor Knowledge Systems, Inc., Bloomfield Hills, MI, USA

The app discussed in this paper is based on a COMSOL Multiphysics® 1D heat transfer model that analyses the ... 扩展阅读

Design of a Self-Recharging Untethered Mobile Inspection Tool inside a Pipeline

W. Chalgham [1], A. C. Seibi [1],
[1] University of Louisiana at Lafayette, Lafayette, LA, USA

Pipeline inspection tools present some limitations related to power supply which require recharging after ... 扩展阅读

Bioheat Dissipation of a Implantable Brain-Machine Interface

J. M. Herrera Morales [1],
[1] Wyss Center for Bio and Neuroengineering, Switzerland

Brain-Machine Interfaces (BMI) provide a direct communication link between brain and external devices such as ... 扩展阅读

Design and Analysis of a Three-DOF Piezoelectric Vibration Energy Harvester

R. T. P. Reddy [1], X. Xiong [2], J. Hu [3],
[1] University of Bridgeport, Bridgeport, CT, USA
[2] Department of Electrical and Computer Engineering, University of Bridgeport, Bridgeport, CT, USA
[3] Department of Mechanical Engineering, University of Bridgeport, Bridgeport, CT, USA

Introduction: Vibration energy harvester can convert mechanical vibration energy into electrical energy and ... 扩展阅读

Iberian COMSOL Multiphysics Conference

In the conference we bring together a community that is scientifically diverse in an event about the use of ... 扩展阅读

A Numerical Investigation on Active Chilled Beams for Indoor Air Conditioning

G. Cammarata, and G. Petrone
Department of Industrial and Mechanical Engineering, University of Catania, Catania, Italy

In this study fluid-dynamical and thermal performance of active chilled beams is investigated by 2D and 3D ... 扩展阅读

Design and Manufacturing of A Linear Induction Motor for the 2019 EPFloop Prototype in the Framework of the SpaceX Hyperloop Competition

A. Hodder[1], S. Rametti[1], N. Bollier[1], M. Seydoux[1], T. Dimier[1], M. Jufer[1], L. Benedetti[1], N. Riva[1]
[1]EPFLoop, Switzerland

The EPFLoop team from Ecole Polytechnique Fédérale de Lausanne has developed a capsule thanks to which it won ... 扩展阅读

Analysis of the Cyclability of Lithium-polymer Batteries

J. M. Paz-Garcia [1], M. D. Villen-Guzman [1], D. Zaura-Campos [1], A. N. Alshawabkeh [2], C. Gomez-Lahoz [1]
[1] University of Málaga, Málaga, Spain
[2] Northeastern University, Boston, MA, USA

Lithium ion batteries and similar energy storage devices have an increasing importance for the modern society ... 扩展阅读

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