2,3,6,7,10,11-Hexamethoxytriphenylene (HMTP): A new organic cathode material for lithium batteries

Kim, Jae-Kwang,1978Chalmers tekniska högskola,Chalmers University of Technology (author)

We propose a new organic cathode material for rechargeable lithium battery applications: 2,3,6,7,10,11-hexamethoxytriphenylene (HMTP). HMTP is composed of six methoxy functional groups substituted onto a central triphenylene moiety. The cell, incorporating 40 wt.% of organic cathode material, exhibits full specific capacity at current densities up to 3 C. The main advantage of HMTP as organic cathode material lies in a stable cell performance and negligible self discharge, even though the capacity is lower, similar to 66 mAh/g, compared to other organic cathode materials. Cells with the HMTP cathode showed >95% retention of the initial discharge capacity after 50 cycles at 1 C and self-discharge was not observed during a full month of open circuit voltage measurements. The latter is due to the fact that the nature of the HMTP radical is fundamentally different from other organic cathode materials' radicals.

Thebault, Frederic,1978Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)thebault (author)
Heo, M. Y.Gyeongsang National University (author)
Kim, D. S.Gyeongsang National University (author)
Hansson, Örjan,1955Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology,University of Gothenburg(Swepub:gu)xhanor (author)
Ahn, J. H.Gyeongsang National University (author)
Johansson, Patrik,1969Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)jpatrik (author)
Öhrström, Lars,1963Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)ohrstrom (author)
Matic, Aleksandar,1968Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)matic (author)
Jacobsson, Per,1958Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)pjacob (author)
Chalmers tekniska högskolaGyeongsang National University (creator_code:org_t)

By the author/editor: Kim, Jae-Kwang, ...; Thebault, Freder ...; Heo, M. Y.; Kim, D. S.; Hansson, Örjan, ...; Ahn, J. H.; show more...; Johansson, Patri ...; Öhrström, Lars, ...; Matic, Aleksanda ...; Jacobsson, Per, ...; show less...

About the subject

NATURAL SCIENCES: NATURAL SCIENCES; and Chemical Science ...; and Inorganic Chemis ...

By the university: University of Gothenburg; Chalmers University of Technology

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