2,5<scp>‐Dimercapto</scp>‐1,3,4‐Thiadiazole (<scp>DMCT</scp>)‐Based Polymers for Rechargeable Metal–Sulfur Batteries

Bhargav, Amruth; Manthiram, Arumugam

doi:10.1002/eem2.12446

Cited by 5 publications

(1 citation statement)

References 47 publications

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“…Moreover, the absence of any observable intensity at 405 eV reiterates the absence of an oxidized state of nitrogen as nitrates. The splitting of the S 2p region at (1) 161.4 eV, (2) 161.9 eV, and (3) 163.5 eV suggests the presence of S 2– in c-BiDMcT. , The peak observed at 159.7 eV further confirms the binding of Bi–S as shown in Figure a. From analysis of the XPS data, it is evident that the polymerization of the bismuth ions to the DMcT units happens through an intra −S–M–S– linkage.…”

Section: Resultsmentioning

confidence: 62%

Bismuth(III) Coordination Linkage with Dimercaptothiadiazole: A p-Type Metallopolymer Photocathode Stable in Protic Electrolytes

Gopinathan,

Vishwa,

Nessim

et al. 2024

ACS Appl. Energy Mater.

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Visible light-active photoelectrode materials that can exhibit simultaneous photo-and electroactivity are essential for photoelectrosynthesis. Herein, we report a coordination metalloorganic system based on bismuth with 2,5-dimercapto-1,3,4thiadiazole (DMcT) as a linker ligand, which displays a p-type behavior with stable photoelectroactivity in neutral and protic electrolytes. The UV−visible spectral investigation reveals the systematic bathochromic shift with a gradual increment in the concentration of the Bi 3+ ions to DMcT and the bandgap of 1.7 eV. The XPS, Raman, and FT-IR spectral data suggest the presence of a −S−Bi−S− linkage in the c-Bi-DMcT coordination polymeric structures. A photocathode prepared by electrooxidation shows a relatively less bismuth content with a disulfide linkage and lower photoactivity compared with c-Bi-DMcT prepared by chemical synthesis. The observed photocurrent values are in the range of −25 to −30 μA cm −2 in protic electrolytes and evidence their p-type behavior and stability. The stabilization of photogenerated electrons, their transfer toward the electrolyte interface, and protonatable units of DMcT with a tautomeric shuttle and bismuth redox activity play a crucial role in the enhancement of photoinduced multiproton-coupled electron transfer (m-PCET) reactions in the protic electrolyte. In contrast, the electrodeposited e-BiDMcT shows a relatively lower p-type photocurrent response, and metal-free poly-DMcT exhibits poor n-type photoelectrochemical responses in protic electrolytes. Furthermore, the Bi-DMcT thin film displays good photoinduced oxygen reduction activity under both neutral and protic electrolytic conditions, which is essential for photoinduced m-PCET reactions.

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Section: Resultsmentioning

confidence: 62%

Bismuth(III) Coordination Linkage with Dimercaptothiadiazole: A p-Type Metallopolymer Photocathode Stable in Protic Electrolytes

Gopinathan,

Vishwa,

Nessim

et al. 2024

ACS Appl. Energy Mater.

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A sulfhydryl-functionalized vinylene-linked covalent organic framework for promoting gold recovery by light-assistance

Jiang,

Wang,

Cheng

et al. 2024

Chemical Engineering Journal

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Organosulfur Materials for Rechargeable Batteries: Structure, Mechanism, and Application

et al. 2023

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Lithium-ion batteries have received significant attention over the last decades due to the wide application of portable electronics and increasing deployment of electric vehicles. In order to further enhance the performance of the batteries and overcome the capacity limitations of inorganic electrode materials, it is imperative to explore new cathode and functional materials for rechargeable lithium batteries. Organosulfur materials containing sulfur−sulfur bonds as a kind of promising organic electrode materials have the advantages of high capacities, abundant resources, tunable structures, and environmental benignity. In addition, organosulfur materials have been widely used in almost every aspect of rechargeable batteries because of their multiple functionalities. This review aims to provide a comprehensive overview on the development of organosulfur materials including the synthesis and application as cathode materials, electrolyte additives, electrolytes, binders, active materials in lithium redox flow batteries, and other metal battery systems. We also give an in-depth analysis of structure−property−performance relationship of organosulfur materials, and guidance for the future development of organosulfur materials for next generation rechargeable lithium batteries and beyond.

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2,5‐Dimercapto‐1,3,4‐Thiadiazole (DMCT)‐Based Polymers for Rechargeable Metal–Sulfur Batteries

Cited by 5 publications

References 47 publications

Bismuth(III) Coordination Linkage with Dimercaptothiadiazole: A p-Type Metallopolymer Photocathode Stable in Protic Electrolytes

Bismuth(III) Coordination Linkage with Dimercaptothiadiazole: A p-Type Metallopolymer Photocathode Stable in Protic Electrolytes

A sulfhydryl-functionalized vinylene-linked covalent organic framework for promoting gold recovery by light-assistance

Organosulfur Materials for Rechargeable Batteries: Structure, Mechanism, and Application

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