Machine Learning‐Based Lifetime Prediction of Lithium‐Ion Cells
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202200630
Abstract: Precise lifetime predictions for lithium‐ion cells are crucial for efficient battery development and thus enable profitable electric vehicles and a sustainable transformation towards zero‐emission mobility. However, limitations remain due to the complex degradation of lithium‐ion… read more here.
Keywords: ion cells; machine learning; lithium ion; lifetime prediction ... See more keywords
A monolithic, mortar‐based interface coupling and solution scheme for finite element simulations of lithium‐ion cells
Sign Up to like & getrecommendations! Published in 2018 at "International Journal for Numerical Methods in Engineering"
DOI: 10.1002/nme.5792
Abstract: Funding information Bavarian Ministry of Economic Affairs and Media, Energy and Technology; Bavarian Research Foundation (BFS) Summary This work introduces a novel, mortar-based coupling scheme for electrode-electrolyte interfaces in 3-dimensional finite element models for lithium-ion… read more here.
Keywords: lithium ion; scheme; interface; coupling scheme ... See more keywords
Chronoamperometry as an electrochemical in situ approach to investigate the electrolyte wetting process of lithium-ion cells
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Electrochemistry"
DOI: 10.1007/s10800-019-01383-2
Abstract: Abstract Understanding and optimizing the electrolyte wetting of lithium-ion cells provides a high potential to reduce the manufacturing costs of lithium-ion cells. However, established methods to investigate the wetting of porous materials are not easily… read more here.
Keywords: ion cells; ion; wetting process; lithium ion ... See more keywords
Hard limitations of polynomial approximations for reduced-order models of lithium-ion cells
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Electrochemistry"
DOI: 10.1007/s10800-019-01395-y
Abstract: Abstract Electrochemical models are a widespread framework to simulate lithium-ion (Li-ion) batteries and to design their battery management algorithms. To obtain numerically efficient models, the polynomial approximation (PA) is one of many order reduction techniques… read more here.
Keywords: lithium ion; order; hard limitations; high order ... See more keywords
Measurements and modeling to determine the critical temperature for preventing thermal runaway in Li-ion cells
Sign Up to like & getrecommendations! Published in 2018 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2018.09.016
Abstract: Abstract Li-ion cells are widely used for electrochemical energy conversion and storage, but suffer from safety problems due to overheating. At elevated temperatures, the cell enters a state of thermal runaway involving multiple heat-generating decomposition… read more here.
Keywords: thermal runaway; temperature; critical temperature; cell ... See more keywords
Polymeric hollow fibers: Uniform temperature of Li-ion cells in battery modules
Sign Up to like & getrecommendations! Published in 2019 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2019.113940
Abstract: Abstract In the present work, a new heat exchanger is introduced for conventional liquid cooling of cylindrical type lithium-ion cells which are contained in battery packs/modules of electric vehicles. The coolant channels are made of… read more here.
Keywords: hollow fibers; battery; temperature; polymeric hollow ... See more keywords
Novel experimental approach for the characterisation of Lithium-Ion cells performance in isothermal conditions
Sign Up to like & getrecommendations! Published in 2021 at "Energy"
DOI: 10.1016/j.energy.2020.118965
Abstract: Abstract Lithium-Ion cells performance is sensitive to the cell temperature. Therefore, experimental evidence is needed to identify the optimal cell isothermal condition to be achieved by a Thermal Management System (TMS). Previous studies have experimentally… read more here.
Keywords: performance; temperature; cell; cells performance ... See more keywords
A Review of Phase Change Materials for the Thermal Management and Isothermalisation of Lithium-Ion Cells
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Energy Storage"
DOI: 10.1016/j.est.2019.100887
Abstract: Abstract Li-Ion batteries will play an important role in reaching emission targets by sustaining the further integration of renewable energy technologies and Electric Vehicles (EVs) in society. Their performance however is quite sensitive to temperature,… read more here.
Keywords: ion; temperature; thermal management; phase change ... See more keywords
Poly(ethylene oxide) (PEO) – Poly(vinyl pyrrolidone) (PVP) blend polymer based solid electrolyte membranes for developing solid state magnesium ion cells
Sign Up to like & getrecommendations! Published in 2017 at "European Polymer Journal"
DOI: 10.1016/j.eurpolymj.2017.02.004
Abstract: Abstract The present work is an attempt to find the suitability of Poly(ethylene oxide) (PEO) - Poly(vinyl pyrrolidone) (PVP) blend polymer based solid electrolyte membranes for applications in all solid state magnesium ion cells. On… read more here.
Keywords: pvp blend; polymer; poly; electrolyte ... See more keywords
Innovative heating of large-size automotive Li-ion cells
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2016.12.102
Abstract: Abstract Automotive Li-ion cells are becoming much larger and thicker in order to reduce the cell count and increase battery reliability, posing a new challenge to battery heating from the cold ambient due to poor… read more here.
Keywords: automotive ion; large size; heating; ion ... See more keywords
Thermo-electrochemical instrumentation of cylindrical Li-ion cells
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2018.01.060
Abstract: Abstract The performance evaluation and optimisation of commercially available lithium-ion cells is typically based upon their full cell potential and surface temperature measurements, despite these parameters not being fully representative of the electrochemical processes taking… read more here.
Keywords: electrochemical instrumentation; ion; thermo electrochemical; cylindrical ion ... See more keywords