Designing strategies to tune reduction potential of organic molecules for sustainable high capacity batteries application

Panigrahi, Puspamitra (author): Uppsala universitet,Materialteori,Hindustan Univ, Ctr Clean Energy & Nanoconvergence, Chennai, Tamil Nadu, India

Yang, Li, 1987- (author): Uppsala universitet,Nanoteknologi och funktionella material

Strömme, Maria, 1970- (author): Uppsala universitet,Nanoteknologi och funktionella material

Sjödin, Martin, 1974- (author): Uppsala universitet,Nanoteknologi och funktionella material

Ahuja, Rajeev, 1965- (author): Uppsala universitet,Materialteori,Royal Inst Technol KTH, Dept Mat & Engn, Appl Mat Phys, S-10044 Stockholm, Sweden

(creator_code:org_t)

2017
2017
English.
In: Journal of Materials Chemistry A. - 2050-7488 .- 2050-7496. ; 5:9, s. 4430-4454

Related links:: https://urn.kb.se/re...; show more...; https://doi.org/10.1...; https://urn.kb.se/re...; show less...

Abstract Subject headings

Organic compounds evolve as a promising alternative to the currently used inorganic materials in rechargeable batteries due to their low-cost, environmentally friendliness and flexibility. One of the strategies to reach acceptable energy densities and to deal with the high solubility of known organic compounds is to combine small redox active molecules, acting as capacity carrying centres, with conducting polymers. Following this strategy, it is important to achieve redox matching between the chosen molecule and the polymer backbone. Here, a synergetic approach combining theory and experiment has been employed to investigate this strategy. The framework of density functional theory connected with the reaction field method has been applied to predict the formal potential of 137 molecules and identify promising candidates for the referent application. The effects of including different ring types, e.g. fused rings or bonded rings, heteroatoms, [small pi] bonds, as well as carboxyl groups on the formal potential, has been rationalized. Finally, we have identified a number of molecules with acceptable theoretical capacities that show redox matching with thiophene-based conducting polymers which, hence, are suggested as pendent groups for the development of conducting redox polymer based electrode materials.

By the author/editor: Araujo, Rafael B ...; Banerjee, Amitav ...; Panigrahi, Puspa ...; Yang, Li, 1987-; Strömme, Maria, ...; Sjödin, Martin, ...; show more...; Araujo, C. Moyse ...; Ahuja, Rajeev, 1 ...; show less...

About the subject

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