Results 51 to 60 of about 22,968 (293)

Nanocrystalline and Thin Film Germanium Electrodes with High Lithium Capacity and High Rate Capabilities [PDF]

, 2004
Germanium nanocrystals (12 nm mean diam) and amorphous thin films (60-250 nm thick) were prepared as anodes for lithium secondary cells. Amorphous thin film electrodes prepared on planar nickel substrates showed stable capacities of 1700 mAh/g over 60 ...
Ahn, C. C., Fultz, B., Graetz, J., Yazami, R.   +3 more
core   +1 more source

Solid Electrolyte Interphases: A Review of Solid Electrolyte Interphases on Lithium Metal Anode (Adv. Sci. 3/2016)

Advanced Science, 2016
The solid electrolyte interphases (SEI) formed on Li metal anodes can inhibit the growth of dendrites, improve the Coulombic efficiency, and achieve a superior cycling performance of Li metal batteries. In article number 1500213, Q. Zhang and co‐workers review the formation mechanism, structure model, characterization, and modulation of robust SEI on ...
Cheng, Xin‐Bing, Zhang, Rui, Zhao, Chen‐Zi, Wei, Fei, Zhang, Ji‐Guang, Zhang, Qiang   +5 more
openaire   +1 more source

Multi‐Ion Doping Controlled CEI Formation in Structurally‐Stable High‐Energy Monoclinic‐Phase NASICON Cathodes for Sodium‐Ion Batteries

Advanced Functional Materials, EarlyView.
The graphical abstract illustrates the synthesis pathway, morphological feature, and thermodynamic feasibility of entropy‐engineered NASICON cathodes for sodium‐ion batteries. Abstract Overcoming the energy density limitations of sodium‐ion batteries (NIBs) requires innovative strategies to optimize cathode materials.
Sharad Dnyanu Pinjari, Vignesh Mahalingam, Purandas Mudavath, Malavika Aarayil, Tasdique Arman, Ipsita Pal, Dipan Kundu, Raghavan Ranganathan, Ashok Kumar Nanjundan, Rohit Ranganathan Gaddam   +9 more
wiley   +1 more source

Increased Cycling Efficiency and Rate Capability of Copper-coated Silicon Anodes in Lithium-ion Batteries

, 2011
Cycling efficiency and rate capability of porous copper-coated, amorphous silicon thin-film negative electrodes are compared to equivalent silicon thin-film electrodes in lithium-ion batteries. The presence of a copper layer coated on the active material
Kowolik, Kristin, Sethuraman, Vijay A., Srinivasan, Venkat   +2 more
core   +1 more source

Analysis of the Electrochemical Stability of Sulfide Solid Electrolyte Dry Films for Improved Dry‐Processed Solid‐State Batteries

Advanced Functional Materials, EarlyView.
An adapted processing for solvent‐free argyrodite solid electrolyte films based on insights into degradation mechanisms of the widely used binder polytetrafluoroethylene is presented. By adapting the dry film processing, long‐term cycling in Si||NMC pouch cells is demonstrated over more than 1000 cycles with a capacity retention of more than 80%, and ...
Maria Rosner, Sahin Cangaz, Felix Hippauf, Susanne Dörfler, Burak Aktekin, Thomas Meyer, Anja Henss, Thomas Abendroth, Holger Althues, Jürgen Janek, Stefan Kaskel   +10 more
wiley   +1 more source

Thermal‐Induced Structure Evolution at the Interface between Cathode and Solid‐State Electrolyte

Small Structures
The interfaces between the electrode and solid‐state electrolyte play a decisive role in the performance of all‐solid‐state batteries. For example, the formation of the interphase between cathode and solid‐state electrolyte can affect interfacial ...
Xincheng Lei, Jiayi Wang, Yi Su, Shengnan Guo, Ge Li, Pengxiang Ji, Xuefeng Wang, Lin Gu, Chen Ge, Yuegang Zhang, Dong Su   +10 more
doaj   +1 more source

Reversible Deposition and Stripping of the Cathode Electrolyte Interphase on Li2RuO3

Frontiers in Chemistry, 2020
Performance decline in Li-excess cathodes is generally attributed to structural degradation at the electrode-electrolyte interphase, including transition metal migration into the lithium layer and oxygen evolution into the electrolyte.
Julia C. Hestenes, Andrew W. Ells, Mateo Navarro Goldaraz, Ivan V. Sergeyev, Boris Itin, Lauren E. Marbella   +5 more
doaj   +1 more source

Effect of current density on the solid electrolyte interphase formation at the lithium∣Li6PS5Cl interface

Nature Communications, 2022
The interface between the Li metal electrode and inorganic solid electrolyte is crucial for developing reliable all-solid-state Li batteries. Here, the authors show that the Li plating current density distinctly affects the chemistry and morphology of ...
Sudarshan Narayanan, Ulderico Ulissi, Joshua S. Gibson, Yvonne A. Chart, Robert S. Weatherup, Mauro Pasta   +5 more
doaj   +1 more source

XPS on Li-Battery-Related Compounds: Analysis of Inorganic SEI Phases and a Methodology for Charge Correction

, 2018
Accurate identification of chemical phases associated with the electrode and solid electrolyte interphase (SEI) is critical for understanding and controlling interfacial degradation mechanisms in lithium containing battery systems.
Teeter, Glenn, Wood, Kevin N.
core   +2 more sources

Solvent‐Free Bonding Mechanisms and Microstructure Engineering in Dry Electrode Technology for Lithium‐Ion Batteries

Advanced Functional Materials, EarlyView.
Dry electrode technology revolutionizes battery manufacturing by eliminating toxic solvents and energy‐intensive drying. This work details two promising techniques: dry spray deposition and polymer fibrillation. How their unique solvent‐free bonding mechanisms create uniform microstructures for thicker, denser electrodes, boosting energy density and ...
Yuhao Liang, Hao Long, Zimo Huang, Ting He, Xueming Chen, Meng Li, Hao Chen, Shanqing Zhang   +7 more
wiley   +1 more source