Sodium ionic conductivity and stability of amorphous Na 2 O·2SiO 2 added with M x O y (M = Zr, Y, and Sm)

Zhang, Shan-Lin; Wang, Xiaona; Liu, Sen-Hui; Li, Chang‐Jiu

doi:10.1016/j.matdes.2018.01.041

Cited by 18 publications

(20 citation statements)

References 25 publications

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“…Hence, it is imperative for scientists and researchers to develop sustainable, clean, and renewable energy technologies that are economical and environmentally benign to address the growing energy demands and challenges in our society . The most common renewable energy sources such as the sun and wind are highly intermittent and thus, require to be coupled with viable high‐performance energy storage devices . Supercapacitors, high‐performance rechargeable lithium (Li) batteries (including Li‐ion, Li–S, and Li–air chemistries), sodium (Na) batteries (Na‐ion, Na–S, and Na–air batteries), zinc (Zn)–air batteries, and vanadium redox flow batteries (VRFBs), are the most promising energy storage systems on account of their high specific energy, energy and/or power density, long cycle life, excellent rate performance, and design flexibilities .…”

Section: Introductionmentioning

confidence: 99%

“…The most common renewable energy sources such as the sun and wind are highly intermittent and thus, require to be coupled with viable high‐performance energy storage devices . Supercapacitors, high‐performance rechargeable lithium (Li) batteries (including Li‐ion, Li–S, and Li–air chemistries), sodium (Na) batteries (Na‐ion, Na–S, and Na–air batteries), zinc (Zn)–air batteries, and vanadium redox flow batteries (VRFBs), are the most promising energy storage systems on account of their high specific energy, energy and/or power density, long cycle life, excellent rate performance, and design flexibilities . Hydrogen (H 2 ) storage is another promising energy system that is considered as a critical area for its potential applications in sustainable energy without producing harmful byproducts .…”

Section: Introductionmentioning

confidence: 99%

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Graphene‐Based Nanocomposites for Energy Storage

Meduri

Agubra

et al. 2016

Advanced Energy Materials

336

176

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Since the first report of using micromechanical cleavage method to produce graphene sheets in 2004, graphene/graphene‐based nanocomposites have attracted wide attention both for fundamental aspects as well as applications in advanced energy storage and conversion systems. In comparison to other materials, graphene‐based nanostructured materials have unique 2D structure, high electronic mobility, exceptional electronic and thermal conductivities, excellent optical transmittance, good mechanical strength, and ultrahigh surface area. Therefore, they are considered as attractive materials for hydrogen (H2) storage and high‐performance electrochemical energy storage devices, such as supercapacitors, rechargeable lithium (Li)‐ion batteries, Li–sulfur batteries, Li–air batteries, sodium (Na)‐ion batteries, Na–air batteries, zinc (Zn)–air batteries, and vanadium redox flow batteries (VRFB), etc., as they can improve the efficiency, capacity, gravimetric energy/power densities, and cycle life of these energy storage devices. In this article, recent progress reported on the synthesis and fabrication of graphene nanocomposite materials for applications in these aforementioned various energy storage systems is reviewed. Importantly, the prospects and future challenges in both scalable manufacturing and more energy storage‐related applications are discussed.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Graphene‐Based Nanocomposites for Energy Storage

Meduri

Agubra

et al. 2016

Advanced Energy Materials

336

176

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“…The purified pristine buckypaper (PPBP) was then functionalized using an epoxide treatment . m‐CPBA was used for functionalization, resulting in the formation of an epoxide group on the surface of the buckypaper.…”

Section: Methodsmentioning

confidence: 99%

AgNP/crystalline PANI/EBP‐composite‐based supercapacitor electrode with internal chemical interactions

Kim

Manivannan

Balakumar

et al. 2019

J of Applied Polymer Sci

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In this article, polyaniline (PANI) was conformally coated on epoxide‐functionalized buckypaper (EBP). Because of the presence of epoxide functional groups, chemical interactions occurred between oxygen in the epoxide groups and NH in the PANI. These chemical interactions were identified by peak shifts and intensity changes in Raman spectra. Additionally, crystalline peaks were clearly observed through X‐ray diffraction. However, Raman peak changes or crystalline peaks were not observed in nonfunctionalized buckypaper (purified pristine buckypaper [PPBP])‐based composites. Both hydrogen bonding and crystalline nature of EBP‐PANI enhanced its electrical conductivity, producing a specific capacitance better than that of PPBP‐PANI. Finally, Ag nanoparticles (AgNPs) were applied to EBP‐PANI to further enhance its electrical conductivity. Owing to the presence of AgNPs and their interactions with the N in PANI, the specific capacitance of EBP‐PANI‐AgNP reached 915.62 F/g. These results emphasize the positive effect of chemical interactions and crystalline nature of EBP‐based composites on their electrochemical performance. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 48164.

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“…Extraction is an important stage for obtaining target compounds from medicinal plants, which is affected by many factors and warrants judicious selection of appropriate extraction technologies and extraction processes . Recently, literatures have reported several techniques for extracting sesquiterpene lactones from I. racemose , including soxhlet extraction, ultrasound extraction and microwave‐assisted extraction . However, the applicability of these methods was compromised due to the poor recovery, sluggishness, high solvent wastage, and the presence of toxic residual solvent in the extract.…”

Section: Introductionmentioning

confidence: 99%

Subcritical Water Extraction of Sesquiterpene Lactones from Inula racemose

Chi

Zhang²,

Chen

2020

ChemistrySelect

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Inula racemose, a traditional Tibetan medicine with strong antifungal and anti‐inflammatory activities, contains large amounts of sesquiterpene lactones. In the current study, subcritical water extraction was employed for the efficient extraction sesquiterpene lactones from I. racemose. Various parameters, such as extraction time (23.2‐56.8 min), temperature (129.5‐230.5 °C) and SW flow rate (1.3‐4.7 mL/min) was investigated for optimizing the recovery of the targeted compounds. The optimal conditions for SWE were determined as follows: extraction time of 45 min, extraction temperature of 190 °C, and SW flow rate of 3.0 mL/min, and a recovery of 71.97% was achieved. Four sesquiterpene lactone isomers were separated by prep‐HPLC from the SWE extract and identified as igalan, isoalantolactone, alantolactone, and alloantolactone. A comparison of SWE with traditional extraction technologies showed that subcritical water could be a green and efficient substitution for the extraction of sesquiterpene lactones from I. racemose.

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Sodium ionic conductivity and stability of amorphous Na 2 O·2SiO 2 added with M x O y (M = Zr, Y, and Sm)

Cited by 18 publications

References 25 publications

Graphene‐Based Nanocomposites for Energy Storage

Graphene‐Based Nanocomposites for Energy Storage

AgNP/crystalline PANI/EBP‐composite‐based supercapacitor electrode with internal chemical interactions

Subcritical Water Extraction of Sesquiterpene Lactones from Inula racemose

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