Effect of Ethylene Oxide Structures in TEMPO Polymers on High Rate Discharge Properties

2009 ◽  
Vol 12 (9) ◽  
pp. A194 ◽  
Author(s):  
Masahiro Suguro ◽  
Shigeyuki Iwasa ◽  
Kentaro Nakahara
Keyword(s):  
Ethylene Oxide ◽  
High Rate ◽  
Rate Discharge ◽  
High Rate Discharge

Effect of Ethylene Oxide Structures in TEMPO Polymers on High-Rate Discharge Properties

2019 ◽  
Vol 16 (50) ◽  
pp. 57-65
Author(s):  
Masahiro Suguro ◽  
Shigeyuki Iwasa ◽  
Kentaro Nakahara
Keyword(s):  
Ethylene Oxide ◽  
High Rate ◽  
Rate Discharge ◽  
High Rate Discharge

Electrospun graphene-wrapped Na6.24Fe4.88(P2O7)4 nanofibers as a high-performance cathode for sodium-ion batteries

2017 ◽  
Vol 19 (26) ◽  
pp. 17270-17277 ◽  
Author(s):  
Yubin Niu ◽  
Maowen Xu ◽  
Chunlong Dai ◽  
Bolei Shen ◽  
Chang Ming Li
Keyword(s):  
Discharge Capacity ◽  
High Performance ◽  
Electronic Conductivity ◽  
Sodium Ion ◽  
High Rate ◽  
Sodium Ion Batteries ◽  
Rate Discharge ◽  
High Rate Discharge

Na6.24Fe4.88(P2O7)4 is one of the intensively investigated polyanionic compounds and has shown high rate discharge capacity, but its relatively low electronic conductivity hampers the high performance of the batteries.

Enhanced Hydrogen Storage Kinetics of Melt Spun Nanocrystalline and Amorphous Mg2Ni-Type Alloy by Substituting Ni with Co

2011 ◽  
Vol 399-401 ◽  
pp. 1419-1424
Author(s):  
Yang Huan Zhang ◽  
Guo Fang Zhang ◽  
Xia Li ◽  
Zhong Hui Hou ◽  
Yin Zhang ◽  
...  
Keyword(s):  
Melt Spinning ◽  
Cast Alloy ◽  
Nanocrystalline Structure ◽  
Amorphous Structure ◽  
High Rate ◽  
Desorption Kinetics ◽  
Type Alloy ◽  
Nanocrystalline And Amorphous ◽  
Rate Discharge ◽  
High Rate Discharge

The nanocrystalline and amorphous Mg2Ni1-xCox (x=0, 0.1, 0.2, 0.3, 0.4) alloys were prepared by melt-spinning technique. The structures of the alloys were studied by XRD, SEM and HRTEM. The hydrogen absorption and desorption kinetics and the high rate discharge ability (HRD) of the alloys were measured. The results show that the as-spun Co-free alloy holds a typical nanocrystalline structure, whereas the as-spun alloys containing Co display a nanocrystalline and amorphous structure, confirming that the substitution of Co for Ni facilitates the glass formation in the Mg2Ni-type alloy. The substitution of Co for Ni evidently improves the hydriding and dehydriding kinetics and the HRD of the alloys. With an increase in the amount of Co substitution from 0 to 0.4, the HRD value rises from 52.9% to 60.3% for the as-cast alloy, and from 65.9% to 76.0% for the as-spun (30 m/s) alloy.

Influence of Temperature on Self-Discharge and High-Rate Discharge Characteristics of La-Rich AB5-Based MH Alloy Electrode

2010 ◽  
Vol 654-656 ◽  
pp. 2835-2838 ◽  
Author(s):  
Huai Ying Zhou ◽  
Pei Pei Wang ◽  
Zhong Min Wang ◽  
Rui Ping Zou ◽  
Cheng Yuan Ni
Keyword(s):  
High Rate ◽  
Alloy Electrode ◽  
Discharge Process ◽  
Discharge Characteristics ◽  
Discharge Current Density ◽  
Influence Of Temperature ◽  
Capacity Loss ◽  
Influence Of Temperature On ◽  
Rate Discharge ◽  
High Rate Discharge

The influence of temperature on self-discharge and high-rate discharge characteristics of MmNi3.65(CoAlMn)1.35 alloy electrode has been investigated by way of simulated battery tests. Self-discharge behaviors of the MH electrode were measured using two methods: continuous mode self-discharge and step mode self-discharge. The results indicate that both reversible and irreversible capacity loss of MH electrode are mainly affected by temperature and storage time. When tested at 323K, the gross capacity loss after storage for 4 days is 30.88%, 15.02% at 273K and 20.09% at 303K, respectively. SEM analysis has shown that some needle corrosion products are formed on the surface of MH electrode, especially following storage at high temperature. The efficiency of high-rate discharge process is related closely to its discharge current density (DCD) adopted in tests, discharged capacities decreased with increasing DCD, and the electrode performed good high-rate discharge behavior at 303 K. Cyclic voltammetry (CV) analysis has indicated that near linear relationships between Ip and Scan rate (v) have been observed in the three temperature cases. The calculated values of hydrogen diffusion coefficient (D) within the electrode, are 1.479×10-8 cm2 / s at 273K, 2.437×10-8 cm2 / s at 303K, and 3.156×10-8 cm2 / s at 323K, respectively.

Enhanced high-rate discharge properties of La 11.3 Mg 6.0 Sm 7.4 Ni 61.0 Co 7.2 Al 7.1 with added graphene synthesized by plasma milling

2014 ◽  
Vol 39 (24) ◽  
pp. 12765-12772 ◽  
Author(s):  
L.Z. Ouyang ◽  
Z.J. Cao ◽  
L.L. Li ◽  
H. Wang ◽  
J.W. Liu ◽  
...  
Keyword(s):  
High Rate ◽  
Rate Discharge ◽  
High Rate Discharge

Deterioration of lithium iron phosphate/graphite power batteries under high-rate discharge cycling

2015 ◽  
Vol 176 ◽  
pp. 270-279 ◽  
Author(s):  
Yong Zheng ◽  
Yan-Bing He ◽  
Kun Qian ◽  
Baohua Li ◽  
Xindong Wang ◽  
...  
Keyword(s):  
Lithium Iron Phosphate ◽  
Iron Phosphate ◽  
High Rate ◽  
Rate Discharge ◽  
High Rate Discharge

Mini-channel cold plate with nano phase change material emulsion for Li-ion battery under high-rate discharge

2020 ◽  
Vol 279 ◽  
pp. 115808
Author(s):  
Jiahao Cao ◽  
Yangjing He ◽  
Jinxin Feng ◽  
Shao Lin ◽  
Ziye Ling ◽  
...  
Keyword(s):  
Phase Change ◽  
Phase Change Material ◽  
High Rate ◽  
Cold Plate ◽  
Li Ion Battery ◽  
Rate Discharge ◽  
Li Ion ◽  
High Rate Discharge ◽  
Change Material
Sign in / Sign up

Export Citation Format

Share Document