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| 001 | 894713 | ||
| 005 | 20240712113126.0 | ||
| 024 | 7 | _ | |a 10.1002/chem.201801521 |2 doi |
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| 100 | 1 | _ | |a Dörr, Tobias S. |0 0000-0001-8164-3152 |b 0 |
| 245 | _ | _ | |a An Ambient Temperature Electrolyte with Superior Lithium Ion Conductivity based on a Self-Assembled Block Copolymer |
| 260 | _ | _ | |a Weinheim |c 2018 |b Wiley-VCH |
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| 520 | _ | _ | |a In searching for polymer-based electrolytes with improved performance for lithium ion and lithium metal batteries, we studied block copolymer electrolytes with high amounts of bis(trifluoromethane)sulfonimide lithium obtained by macromolecular co-assembly of a poly(isoprene)-block-poly(styrene)-block-poly(ethylene oxide) and the salt from tetrahydrofuran. Particularly, an ultra-short poly(ethylene oxide) block of 2100 g mol−1 was applied, giving rise to 2D continuous lamellar microstructures. The macroscopic stability was ensured with major blocks from poly(isoprene) and poly(styrene), which separated the ionic conductive PEO/salt lamellae. Thermal annealing led to high ionic conductivities of 1.4 mS cm−1 at 20 °C with low activation energy and a superior lithium ion transference number of 0.7, accompanied by an improved mechanical stability (storage modulus of up to 107 Pa). With high Li:O ratios >1, we show a viable concept to achieve fast Li+ transport in block copolymers (BCP), decoupled from slow polymer relaxation. |
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| 700 | 1 | _ | |a Pelz, Alexander |0 P:(DE-Juel1)167584 |b 1 |
| 700 | 1 | _ | |a Zhang, Peng |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Kraus, Tobias |0 0000-0003-2951-1704 |b 3 |
| 700 | 1 | _ | |a Winter, Martin |0 P:(DE-Juel1)166130 |b 4 |
| 700 | 1 | _ | |a Wiemhöfer, Hans-Dieter |0 P:(DE-Juel1)176785 |b 5 |e Corresponding author |
| 773 | _ | _ | |a 10.1002/chem.201801521 |g Vol. 24, no. 32, p. 8061 - 8065 |0 PERI:(DE-600)1478547-X |n 32 |p 8061 - 8065 |t Chemistry - a European journal |v 24 |y 2018 |x 0947-6539 |
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