SYNERGETIC SUBSTRATE AND ADDITIVE

Conductive substrate for solar cells

Recently, biomaterials have received great attention due to their generally biodegradable, safe, low-cost and nontoxic characteristics, especially in the field of organic electronics such as organic photovoltaics (O. . ••An eco-friendly cellulose nanofibers (CNF)-based conductive substrate is. . Owing to the growing demand of flexible consumer products, the development of flexible optoelectronic devices has recently received increasing research interests. Many novel merc. . 2.1. MaterialsCNF (solids: ~3%, grade: ~90% fines) and TOCN (solids: ~1.1 wt% CNF in water) were purchased from the University of Maine Process D. . 3.1. Preparation of CNF-based conductive substrateThe detailed fabrication procedures of CNF/AgNWs and TOCN/AgNWs conductive subst. . In summary, we have successfully developed CNF-based flexible conductive substrates by embedding AgNWs into the chemically-modified CNFs through a facile, printable transfer. [pdf]

FAQS about Conductive substrate for solar cells

Can cellulose be used as a conductive substrate?

More recently, Cheng et al. synthesized O - (2,3-Dihydroxypropyl) cellulose (DHPC) and applied it as a substrate to realize an efficient flexible OPV with a PCE of 4.98% ; meanwhile, Ma et al. utilized the cellulose-based conductive substrate to fabricate a perovskite solar cell that delivered a PCE of 4.49% .

What is CNF-based conductive substrate?

An eco-friendly cellulose nanofibers (CNF)-based conductive substrate is developed. This CNF-based conductive substrate shows high transparency and flexibility. This conductive substrate possesses excellent adhesion of silver nanowires. A flexible organic solar cell using this electrode delivers a high PCE of 7.47%.

Can cellulose nanofibers be used as a conductive substrate?

Herein, a highly transparent and flexible conductive substrate based on eco-friendly cellulose nanofibers (CNFs) is successfully developed by embedding silver nanowires (Ag NWs) into the TEMPO-oxidized CNFs (TOCN) through a facile, printable transfer method.

What are the mechanical properties of flexible conductive substrates?

In addition to having acceptable conductivity and optical transparency, possessing decent mechanical strength and stability are also the critical requirements for the flexible conductive substrates. The mechanical properties of these substrates were first examined and Fig. 3 a displayed their corresponding stress–strain curves.

Why do conductive substrates have a high FOM value?

Such high FoM value of the TOCN/AgNWs substrate can be ascribed to the nano-size fibers of TOCN which not only allows high potion of visible light to pass through but also enables homogeneous hybrid with AgNWs. The thermal properties of these studied conductive substrates were next investigated.

How flexible are organic solar cells (OSCs)?

Use the link below to share a full-text version of this article with your friends and colleagues. Flexibility is a key advantage of organic solar cells (OSCs), and the power conversion efficiencies (PCEs) of flexible OSCs (FOSCs) are primarily constrained by flexible transparent electrodes (FTEs).

Additive materials for tungsten-molybdenum batteries

Molybdenum and tungsten chalcogenides have attracted tremendous attention in energy storage and conversion due to their outstanding physicochemical and electrochemical properties. There are intensive studie. . Being confronted with global energy crisis and environmental issues, the exploring of clean and r. . Owing to the similar layered structures features to graphite yet with larger spacing, TMDs composed of group VI metals (Mo and W) and chalcogens (S and Se) with 2D layered crystallin. . Sodium-ion batteries (SIBs) have attracted great attention and have been considered as a promising alternative for LIBs in cost-effective electrochemical energy storage, however, it is stil. . In this review, we summarize the recent advances in the development of graphene-like layered metal dichalcogenides WS2, MoSe2, WSe2 and their composites beyond MoS2 a. . This work was supported by the National Natural Science Foundation of China (Grant No. 51302079), and the Natural Science Foundation of Hunan Province (Grant No. 2017J. [pdf]

FAQS about Additive materials for tungsten-molybdenum batteries

Can tungsten sulfides be used in lithium-sulfur batteries?

Besides, tungsten/molybdenum-based 2D materials also play an important role in Li–S batteries. A review paper reports the progress of applications of transition metal sulfides (including WS 2, MoS 2 and so on) in the cathode of lithium-sulfur batteries (Gong et al.).

Can molybdenum be used in aqueous batteries?

In 2010, Liang et al. [ 43] applied MoS 2 to magnesium-ion battery (MIBs), which opens a favorable way for involving other molybdenum-based compounds in the accommodation of monovalent ions (Na+) and multivalent ions (Zn 2+ and Al 3+) for aqueous batteries.

Can wire + arc additive manufacturing be used to produce tungsten components?

Marinelli G, Martina F, Ganguly S, Williams S. Development of wire + arc additive manufacturing for the production of large-scale unalloyed tungsten components. Int J Refract Metal Hard Mater. 2019;82:329.

How to address electrochemical property issues of molybdenum-based materials?

The strategic methods to address the electrochemical property issues (poor conductivity, slow kinetics, electrode dissolution, and narrow working window) of molybdenum-based materials are highlighted, including the introduction of oxygen/sulfur vacancy, interlayer spacing tuning, a substrate coating, and electrolyte formulation, as shown in Fig. 3.

Can TMD anodes be used in alkali metal ion batteries?

It is evident that in the role of the anode, MoS 2 and MoSe 2 found enormous applications in alkali metal ion batteries such as LIB, SIB and KIB. The studies also point out that TMD anodes are still under investigation for MIB, ZIB, etc. The computational studies validate the future of TMD anodes in other batteries.

Can Mos 2 / WS 2 be used as a battery anode?

The work proposed by Chen et al. presented the synthesis and application of MoS 2 /WS 2 composite containing nitrogen-doped graphene (NG) (MWG) as the anode for LIB’s . The poor electronic conductivity of MoS 2 adversely affects the rate performance of batteries.