scholarly journals Enhanced charge storage of nanometric ζ-V2O5 in Mg electrolytes

Nanoscale ◽  
2020 ◽  
Vol 12 (43) ◽  
pp. 22150-22160
Author(s):  
Ian D. Johnson ◽  
Gene Nolis ◽  
Liang Yin ◽  
Hyun Deog Yoo ◽  
Prakash Parajuli ◽  
...  
Keyword(s):  
Electrode Materials ◽  
Limiting Factors ◽  
Charge Storage ◽  
Oxide Electrode

Nanometric ζ-V2O5 displayes an enhanced ability to reversibly store Mg2+, yielding a better understanding of kinetic limiting factors in reversible magnesiation reactions of oxide electrode materials.

High-energy and high-power Li-rich nickel manganese oxide electrode materials

2010 ◽  
Vol 12 (11) ◽  
pp. 1618-1621 ◽  
Author(s):  
Donghan Kim ◽  
Sun-Ho Kang ◽  
Mahalingam Balasubramanian ◽  
Christopher S. Johnson
Keyword(s):  
Manganese Oxide ◽  
High Power ◽  
Electrode Materials ◽  
High Energy ◽  
Oxide Electrode ◽  
Nickel Manganese

Effect of Structural Ordering on the Charge Storage Mechanism of p-Type Organic Electrode Materials

2021 ◽  
Vol 13 (6) ◽  
pp. 7135-7141 ◽  
Author(s):  
Brian M. Peterson ◽  
Cara N. Gannett ◽  
Luis Melecio-Zambrano ◽  
Brett P. Fors ◽  
Héctor Abruña
Keyword(s):  
Electrode Materials ◽  
Charge Storage ◽  
Structural Ordering ◽  
Storage Mechanism ◽  
Organic Electrode ◽  
Charge Storage Mechanism ◽  
P Type

LixCn as Anode Material for Lithium Ion Batteries

2006 ◽  
Vol 972 ◽  
Author(s):  
Haiming Xie ◽  
Haiying Yu ◽  
Abraham F. Jalbout ◽  
Guiling Yang ◽  
Xiumei Pan ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
Anode Material ◽  
Cathode Materials ◽  
Electrode Materials ◽  
Lithium Ion ◽  
Limiting Factors ◽  
Discharge Process ◽  
Metal Foil ◽  
Lithium Metal ◽  
Lithium Secondary Batteries

AbstractWe design a way that the anode hosts provide lithium ion in lithium ion battery operation. If the limiting factors of the cathode materials are less, there will be more alternatives for it. It was proven to be successful by two kinds of test cells based on LixCn as anode material, and β-FeOOH or Cr8O21 as cathode materials. Their theoretical capacities are much higher than those present electrode materials. Unlike the lithium secondary batteries with lithium metal foil or lithium alloy as anode, this type of lithium ion batteries with LixCn as anode prohibit dendrite formation during charging-discharge process. The idea of lithium ion sources coming from the anode can come true successfully as a result that steady protecting solution be sought for LixCn.

Tunnel-dependent supercapacitance of MnO2: effects of crystal structure

2013 ◽  
Vol 46 (4) ◽  
pp. 1128-1135 ◽  
Author(s):  
Congting Sun ◽  
Yuanjian Zhang ◽  
Shuyan Song ◽  
Dongfeng Xue
Keyword(s):  
Specific Capacitance ◽  
Active Sites ◽  
Crystal Size ◽  
Present Model ◽  
Electrode Materials ◽  
Quantitative Relationship ◽  
Charge Storage ◽  
Extraction Processes ◽  
Proportional Relationship ◽  
Adsorption Desorption

A proportional relationship between the specific capacitance of MnO2 and the percentage of effective Mn centers that act as active sites in the Faradaic charge storage has been established on the basis of a tunnel structure–crystallization behavior correlation. A quantitative relationship between the effective Mn centers at the surfaces and in the tunnels can distinguish the specific capacitance values that arise from the adsorption/desorption and insertion/extraction processes, respectively, of different MnO2 crystallographic forms in the Faradaic charge storage. The different specific capacitance values between the MnO2 crystallographic forms are mainly attributed to the different effective utilizations of Mn centers in the size-limited tunnels. The present model demonstrates that increasing the percentage of effective Mn centers via decreasing the crystal size can facilitate obtaining MnO2-based electrode materials with higher specific capacitance values.

(Invited) Interface Engineering in Transition-Metal Oxide Electrode Materials for Sodium Ion Batteries

2020 ◽  
Vol MA2020-02 (1) ◽  
pp. 25-25
Author(s):  
Claire Xiong ◽  
Changjian Deng ◽  
Eric Gabriel ◽  
Chunrong Ma ◽  
Yingying Xie ◽  
...  
Keyword(s):  
Transition Metal ◽  
Metal Oxide ◽  
Electrode Materials ◽  
Transition Metal Oxide ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Interface Engineering ◽  
Oxide Electrode

scholarly journals How to measure and report the capacity of electrochemical double layers, supercapacitors, and their electrode materials

2020 ◽  
Vol 24 (11-12) ◽  
pp. 3215-3230 ◽  
Author(s):  
Yuru Ge ◽  
Xuan Xie ◽  
Jessica Roscher ◽  
Rudolf Holze ◽  
Qunting Qu
Keyword(s):  
Electrode Materials ◽  
Experimental Methods ◽  
Double Layers ◽  
Charge Storage ◽  
Redox Processes ◽  
Solution Interface ◽  
Interfacial Capacitance ◽  
Electrochemical Double Layer ◽  
Practical Recommendations

Abstract Relevant fundamentals of the electrochemical double layer and supercapacitors utilizing the interfacial capacitance as well as superficial redox processes at the electrode/solution interface are briefly reviewed. Experimental methods for the determination of the capacity of electrochemical double layers, of charge storage electrode materials for supercapacitors, and of supercapacitors are discussed and compared. Intrinsic limitations and pitfalls are indicated; popular errors, misconceptions, and mistakes are evaluated. The suitability of available methods is discussed, and practical recommendations are provided.

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