scholarly journals Recent studies on germanium-nanomaterials for LIBs anodes

2020 ◽  
Vol 166 ◽  
pp. 06012 ◽  
Author(s):  
Vladko Panayotov ◽  
Marinela Panayotova ◽  
Serhii Chukharev

The inherently law capacity of the classically used carbon-based anode is one of the major drawbacks hindering the wide application of lithium ion batteries (LIBs) in electric vehicles. Carbon replacement with materials possessing high theoretical capacity, such as germanium (Ge) represents one of the approaches used for ensuring wider LIBs’ implementation. The main disadvantage of the Ge use is its huge volume change during the lithiation / delithiation, causing Ge-based electrodes pulverization, deterioration of the electrochemical properties and resulting in electrodes relatively short life. Usage of Ge based nanomaterials is regarded as powerful tool for overcoming the mentioned drawbacks. This paper reviews and discusses the very recent progress in the preparation and studying the Ge nanoparticles (NPs), Ge nanoalloys and Ge-based nanocomposites as attempts for preparation of advanced anodes for LIBs.

Author(s):  
Zhiyong Li ◽  
Rui Sun ◽  
Zhaoxia Qin ◽  
Xinlong Liu ◽  
Caihong Wang ◽  
...  

Investigation on rechargeable potassium-ion batteries (PIBs) has been revitalized owing to the unique characteristics of abundant reserves and comparable energy density over lithium-ion batteries (LIBs), which holds huge potential for...


Materials ◽  
2019 ◽  
Vol 12 (11) ◽  
pp. 1770 ◽  
Author(s):  
Alain Mauger ◽  
Christian Julien ◽  
Andrea Paolella ◽  
Michel Armand ◽  
Karim Zaghib

Rechargeable batteries are essential elements for many applications, ranging from portable use up to electric vehicles. Among them, lithium-ion batteries have taken an increasing importance in the day life. However, they suffer of several limitations: safety concerns and risks of thermal runaway, cost, and high carbon footprint, starting with the extraction of the transition metals in ores with low metal content. These limitations were the motivation for an intensive research to replace the inorganic electrodes by organic electrodes. Subsequently, the disadvantages that are mentioned above are overcome, but are replaced by new ones, including the solubility of the organic molecules in the electrolytes and lower operational voltage. However, recent progress has been made. The lower voltage, even though it is partly compensated by a larger capacity density, may preclude the use of organic electrodes for electric vehicles, but the very long cycling lives and the fast kinetics reached recently suggest their use in grid storage and regulation, and possibly in hybrid electric vehicles (HEVs). The purpose of this work is to review the different results and strategies that are currently being used to obtain organic electrodes that make them competitive with lithium-ion batteries for such applications.


2013 ◽  
Vol 724-725 ◽  
pp. 804-807 ◽  
Author(s):  
Zi Jun Wang ◽  
Zhao Xuan Zhu ◽  
Yu Hong Ma

The power lithium-ion battery with its high specific energy, high theoretical capacity and good cycle-life is a prime candidate as a power source for electric vehicles (EVs) and hybrid electric vehicles (HEVs). Sacurity is especially important for large-scale lithium-ion batteries, especially the thermal analysis is essential for their development and design. Mathematical model and thermal model for Li-ion battery were built to analyze the effects of discharge rate on the peak temperature and on the homogeneity of temperature field, and to compare the calculated and the simulated results.


RSC Advances ◽  
2016 ◽  
Vol 6 (95) ◽  
pp. 92259-92266 ◽  
Author(s):  
Gyu-Ho Lee ◽  
Si-Jin Kim ◽  
Min-Cheol Kim ◽  
Hui-Seon Choe ◽  
Da-Mi Kim ◽  
...  

Anode materials with excellent electrochemical properties as an alternative to carbon-based structures are suggested for advanced high-performance lithium-ion batteries.


JOM ◽  
2020 ◽  
Vol 72 (8) ◽  
pp. 3037-3045
Author(s):  
Shenggao Wang ◽  
Tao Wang ◽  
Yan Zhong ◽  
Quanrong Deng ◽  
Yangwu Mao ◽  
...  

2019 ◽  
Vol 7 (16) ◽  
pp. 9432-9446 ◽  
Author(s):  
Zhixin Xu ◽  
Jun Yang ◽  
Hongping Li ◽  
Yanna Nuli ◽  
Jiulin Wang

Recent progress in electrolytes from the liquid to the solid state for Si-based anodes is comprehensively summarized in this review article.


2021 ◽  
Vol 13 (10) ◽  
pp. 5726
Author(s):  
Aleksandra Wewer ◽  
Pinar Bilge ◽  
Franz Dietrich

Electromobility is a new approach to the reduction of CO2 emissions and the deceleration of global warming. Its environmental impacts are often compared to traditional mobility solutions based on gasoline or diesel engines. The comparison pertains mostly to the single life cycle of a battery. The impact of multiple life cycles remains an important, and yet unanswered, question. The aim of this paper is to demonstrate advances of 2nd life applications for lithium ion batteries from electric vehicles based on their energy demand. Therefore, it highlights the limitations of a conventional life cycle analysis (LCA) and presents a supplementary method of analysis by providing the design and results of a meta study on the environmental impact of lithium ion batteries. The study focuses on energy demand, and investigates its total impact for different cases considering 2nd life applications such as (C1) material recycling, (C2) repurposing and (C3) reuse. Required reprocessing methods such as remanufacturing of batteries lie at the basis of these 2nd life applications. Batteries are used in their 2nd lives for stationary energy storage (C2, repurpose) and electric vehicles (C3, reuse). The study results confirm that both of these 2nd life applications require less energy than the recycling of batteries at the end of their first life and the production of new batteries. The paper concludes by identifying future research areas in order to generate precise forecasts for 2nd life applications and their industrial dissemination.


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