Impact of MWCNT passivation on single crystal Silicon electrode: An investigation of electrochemical performance and SEI formation

Kinetic analysis of silicon–lithium alloying reaction in silicon single crystal using soft X-ray absorption spectroscopy

“…[4][5][6] However, many have known that typical silicon anodes suffer from huge volume expansion during the lithiation process (up to 400%), leading to capacity fade due to mechanical and electrical integrity failures. [6][7][8][9] Furthermore, the slow kinetics caused by the lower diffusion coefficient value of Li in silicon provides an extra challenge for achieving high-performance lithium-ion batteries. 8,10 Therefore, the fundamental understanding of silicon-lithium (Si-Li) alloying reaction mechanism is essential to develop a silicon anode with less capacity degradation during the electrochemical reaction.…”

“…[6][7][8][9] Furthermore, the slow kinetics caused by the lower diffusion coefficient value of Li in silicon provides an extra challenge for achieving high-performance lithium-ion batteries. 8,10 Therefore, the fundamental understanding of silicon-lithium (Si-Li) alloying reaction mechanism is essential to develop a silicon anode with less capacity degradation during the electrochemical reaction.…”

Exploring the Effects of Dopamine and DMMP Additives on Improving the Cycle Boosting and Nonflammability of Electrolytes in Full-Cell Lithium-Ion Batteries (18650)

“…LIBs can disperse heat naturally at slower rates using the thermal effect. − Impurities such as chlorine, water, and HF significantly affect the performance (eqs –), dendrite formation, and electrolyte stability, where elevated temperatures mainly produce large amounts of hydrofluoric acid (HF). − Typically, heat is released from the electrolyte when trace impurities in the water initiate the thermal decomposition of the electrolyte. − The instability of the internal components, such as the flammable organic electrolyte, is the immediate cause of thermal runaway issues, resulting in nonflammable, nontoxic, and good interfacial electrode adherence. It inhibits Li dendrite growth, and highly conducting electrolytes can mitigate such risks. − Internal exothermic processes are the root cause of thermal runaway concerns, which can be classified as (a) faulty operation and releasing oxygen, (b) disintegration of the unstable SEI layer, − (c) redundant Li plating on the anode, lithium dendrite growth, internal circuit formation, and reactions involving a high amount of heat and gas, , and (d) oxidation of the carbonate solvent and immediate lithium salt (LiPF 6 ) decomposition. − The combined effects of all of the chemical reactions can cause LIBs to reach high temperatures and pressures, posing a severe threat of thermal runaway. As a result of the initial analysis, the following practical techniques can be used to prevent LIBs from overheating.…”

Preparation, characterization, and analysis of multi-walled carbon nanotube-based nanofluid: an aggregate based interpretation

“…The advantages of the utilization of nanoparticles are not limited to one particular eld. As a matter of fact, they have numerous applications such as in high capacity batteries 4 and nanoelectronics, 5 and they are also used in high performance heat transfer uids in solar absorbers. 6,7 Preparing a uniform and stable nanouid is critical for utilizing the full nanouid potential.…”