High stability and luminance efficiency thieno[2,3-d]pyridazine-based iridium complexes and their applications in high-performance yellow OLEDs

2020 ◽  
Vol 49 (39) ◽  
pp. 13797-13804
Author(s):  
Qunying Mei ◽  
Ren Sheng ◽  
Wei Cheng ◽  
Jie Zhang ◽  
Ping Wang ◽  
...  
Keyword(s):  
High Performance ◽  
High Stability ◽  
Iridium Complexes ◽  
Luminance Efficiency

An OLED based on complex 1 shows promising efficiencies of 18.2%, 58.5 cd A−1 and 45.9 lm W−1 which are 40% higher than those of PO-01.

Revealing the role of dopants in mitigating degradation phenomena in sodium-ion layered cathodes

2021 ◽  
Vol 23 (3) ◽  
pp. 2038-2045
Author(s):  
Kyoungmin Min ◽  
Young-Han Shin
Keyword(s):  
Cathode Materials ◽  
High Performance ◽  
High Stability ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Layered Cathode Materials ◽  
Layered Cathodes

Prevention of the degradation of sodium-based layered cathode materials is the key to developing high-performance and high-stability sodium-ion batteries.

Bioinspired Interfacial Engineering of CoSe2 Decorated Carbon Framework Cathode towards Temperature-Tolerant and Flexible Zn-Air Batteries

Nanoscale ◽  
2021 ◽  
Author(s):  
Wenxian Liu ◽  
Dong Zheng ◽  
Lin Zhang ◽  
Ruilian Yin ◽  
Xilian Xu ◽  
...  
Keyword(s):  
Fast Electron ◽  
High Performance ◽  
High Stability ◽  
Wearable Devices ◽  
Air Electrode ◽  
Interfacial Engineering ◽  
Electrolyte Interface ◽  
Carbon Framework ◽  
Ion Transportation

High-performance air electrode is essential for the successful application of flexible Zn-air batteries in wearable devices. However, endowing the electrode-electrolyte interface with high stability and fast electron/ion transportation is still...

scholarly journals Ultrafast-charging and long cycle-life anode materials of TiO2-bronze/nitrogen-doped graphene nanocomposites for high-performance lithium-ion batteries

RSC Advances ◽  
2020 ◽  
Vol 10 (71) ◽  
pp. 43811-43824
Author(s):  
Thanapat Autthawong ◽  
Yothin Chimupala ◽  
Mitsutaka Haruta ◽  
Hiroki Kurata ◽  
Tsutomu Kiyomura ◽  
...  
Keyword(s):  
Anode Materials ◽  
High Performance ◽  
High Stability ◽  
Lithium Ion ◽  
Graphene Nanocomposites ◽  
Nitrogen Doped ◽  
Long Cycle Life ◽  
Fast Charging ◽  
Nitrogen Doped Graphene ◽  
Doped Graphene

The TiO2-bronze/nitrogen-doped graphene nanocomposites have the potential for fast-charging and have high stability, showing potential as an anode material in advanced power batteries for next-generation applications.

scholarly journals Mixed Metal-Antimony Oxide Nanocomposites: Low pH Water Oxidation Electrocatalysts with Outstanding Durability at Ambient and Elevated Temperatures

2021 ◽  
Author(s):  
Luke Sibimol ◽  
Manjunath Chatti ◽  
Asha Yadav ◽  
Brittany Kerr ◽  
Jiban Kangsabanik ◽  
...  
Keyword(s):  
Water Oxidation ◽  
High Performance ◽  
Density Functional ◽  
High Stability ◽  
Proton Exchange Membrane ◽  
Elevated Temperatures ◽  
Antimony Oxide ◽  
Proton Exchange ◽  
Efficient Production ◽  
Ambient Conditions

Proton-exchange membrane water electrolysers provide many advantages for the energy-efficient production of H<sub>2</sub>, but the current technology relies on high loadings of expensive iridium at the anodes, which are often unstable in operation. To address this, the present work scrutinises the properties of antimony-metal (Co, Mn, Ni, Fe, Ru) oxides synthesised as flat thin films by a solution-based method for the oxygen evolution reaction in 0.5 M H<sub>2</sub>SO<sub>4</sub>. Among the non-noble-metal catalysts, only cobalt-antimony and manganese-antimony oxides demonstrate high stability and reasonable activity under ambient conditions, but slowly lose activity at elevated temperatures. The ruthenium-antimony system is highly active, requiring an overpotential of 0.39 ± 0.03 and 0.34 ± 0.01 V to achieve 10 mA cm<sup>-2</sup> at 24 ± 2 and 80 °C, respectively, and remaining remarkably stable during one-week tests at 80 °C. The <i>S</i>-number for this catalyst is higher than that for the high-performance benchmark Ir-based systems. Density functional theory analysis and physical characterisation reveal that this high stability is supported by the enhanced hybridisation of the oxygen p- and metal d-orbitals induced by antimony, and can arise from two distinct structural scenarios: either formation of an antimonate phase, or nanoscale intermixing of metal and antimony oxide crystallites.

MnO2 nanoflowers grown on a polypropylene separator for use as both a barrier and an accelerator of polysulfides for high-performance Li–S batteries

2020 ◽  
Vol 49 (28) ◽  
pp. 9719-9727 ◽  
Author(s):  
Yinze Zuo ◽  
Tao Yan ◽  
Yuejin Zhu ◽  
Jian Zhou ◽  
Weiming Su ◽  
...  
Keyword(s):  
High Performance ◽  
High Stability ◽  
Lithium Sulfur Batteries ◽  
Polypropylene Separator ◽  
Lithium Sulfur

The separator modification has been considered to be the most effective approach to obtain high-stability lithium–sulfur batteries (LSBs).

A heterometallic metal–organic framework based on multi-nuclear clusters exhibiting high stability and selective gas adsorption

2019 ◽  
Vol 48 (1) ◽  
pp. 278-284 ◽  
Author(s):  
Dongmei Wang ◽  
Zihua Liu ◽  
Lili Xu ◽  
Chunxia Li ◽  
Dian Zhao ◽  
...  
Keyword(s):  
Chemical Stability ◽  
High Performance ◽  
High Stability ◽  
Gas Adsorption ◽  
Metal Organic Framework ◽  
Gas Storage ◽  
Nuclear Clusters ◽  
Metal Organic ◽  
Thermal And Chemical Stability ◽  
Organic Framework

Porous In/Tb-CBDA has been successfully synthesized in the light of the heterometallic cooperative crystallization (HCC) approach. In/Tb-CBDA with high thermal and chemical stability exhibited high performance for gas storage and separation.

Unique MOF-derived hierarchical MnO2 nanotubes@NiCo-LDH/CoS2 nanocage materials as high performance supercapacitors

2019 ◽  
Vol 7 (19) ◽  
pp. 12018-12028 ◽  
Author(s):  
Xiuhua Wang ◽  
Feifei Huang ◽  
Fang Rong ◽  
Peng He ◽  
Ronghui Que ◽  
...  
Keyword(s):  
Specific Capacitance ◽  
High Performance ◽  
High Stability ◽  
High Specific Capacitance ◽  
One Dimensional

A new one-dimensional hierarchical hollow MnO2 nanotubes@NiCo-LDH/CoS2 nanocage supercapacitor, MnO2@NiCo-LDH/CoS2, achieves a high specific capacitance and high stability.

scholarly journals High-performance and high-stability bismuth selenide core thermoelectric fibers

2018 ◽  
Vol 233 ◽  
pp. 63-66 ◽  
Author(s):  
Guoquan Qian ◽  
Min Sun ◽  
Guowu Tang ◽  
Wangwang Liu ◽  
Zhenguo Shi ◽  
...  
Keyword(s):  
High Performance ◽  
High Stability ◽  
Bismuth Selenide

Microporous Ni11(HPO3)8(OH)6 nanocrystals for high-performance flexible asymmetric all solid-state supercapacitors

2014 ◽  
Vol 43 (45) ◽  
pp. 17000-17005 ◽  
Author(s):  
Yanping Gao ◽  
Junhong Zhao ◽  
Zhen Run ◽  
Guangqin Zhang ◽  
Huan Pang
Keyword(s):  
Solid State ◽  
Energy Density ◽  
High Performance ◽  
High Stability ◽  
Maximum Energy ◽  
Asymmetric Supercapacitor

Microporous Ni11(HPO3)8(OH)6 nanocrystals were successfully applied to create a flexible solid-state asymmetric supercapacitor, which achieved a maximum energy density of 0.45 mW h cm−3 with high stability for 10 000 cycles.

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