2017 Šw‰ď

 

 

“d‹C‰ťŠw‰ď‘ć84‰ń‘ĺ‰ď

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1J22       ‹¤‘ś‰ťŠwŽí‚̉e‹ż‚đl—ś‚ľ‚˝Ž_‰ťŠŇŒłŠˆŤƒCƒIƒ“‚Ě‹z’…ƒ‚ƒfƒ‹i‹ž“s‘ĺŠw,b“ě‘ĺŠwjü–k‹÷ —DŠó,”’ˆä —,ŽR–{ ‰ë”Ž,‰Á”[ Œ’Ži

 

 

 

 

“ú–{•ސ͉ťŠw‰ď‘ć77‰ń•ސ͉ťŠw“˘˜_‰ď@2017/5/27-5/28

—´’J‘ĺŠw[‘ŠwŽÉk‹ž“sŽs•šŒŠ‹ć[‘l

 

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    E2009   5/29   11:1011:25   ‚d‰ďę 

@@“d‹É”˝‰ž‘Ź“x˜_‚Ě“d‹C“ńd‘wŒř‰Ę

 

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ƒI[ƒKƒiƒCƒU[FŽR–{‰ë”ށib“ě‘ĺj

 

 

 

   

 

231st ECS MEETING

May 28-June 1, 2017 | New Orleans, LA

 

578 First-Principles Calculation of Li-GIC Compounds: Van-Der Waals Interaction DFT Calculation

Tuesday, 30 May 2017

Grand Ballroom (Hilton New Orleans Riverside)

M. Yamamoto (JST-CREST)

The graphite intercalation compounds(GIC) of lithium is commercially used in lithium ion battery (LIB), then a lot of the experimental and theoretical works on GIC have been reported from the invention of LIB. In our previous study[1] we have shown that first-principles calculation based on the local density approximation(LDA) of Ceperley-Alder(CA) type give us some physic-chemical properties, because the LDA-CA calculation accidentally give us the stable interlayer distance between the graphite layers. The interaction between the layers is believed to be van der Waals (vdW) interaction and this interaction comes from the dynamic properties. In 2004 Dion et al. proposed the approximated method that include the vdW interaction in the density functional framework and some people have shown that the their method works! In this study we have used the vdW-DF2 functional[2] in the VASP code[3] for vdW DFT calculation and compare the results without vdW contribution. The energetics and structure of graphite and LiC6 are in good agreement with the results by Wang et al.[4] The have shown that energetics and structures for Li, K, Na GIC are in good agreement with the experimental results. In our study the energy barriers of the diffusion for lithium ion in LIC6 GIC have been calculated. The energy barrier in the parallel direction of the grapheme plane is 0.3 eV per Li ion without vdW interaction, which is in good agreement with out previous calculation[1]. In the vdW-DF2 calculation the energy barrier is increased up to 0.8 eV, the origin of which may be the attractive character of the vdW interaction between the Li and C. If we expand the C-C interplane distance up to 1 nm which corresponds to the distance between the GIC that contains the solvated intercalants, we have found that the calculated energy barrier in plane direction can be neglected.

The dependence of the interlayer distance and the charged state on the diffusion barrier is now evaluating and will be presented.

References [1] M. Yamamoto and H. Imamura, Tanso, 2004 No.212 81-90. [2] K. Lee et al. Phys. Rev. B, 2010, 82 08101

[3] G. Kresse et al. Phys. Rev. B, 1993, 47, 558-561, J. Comput. Mater. Sci. 1996, 6, 15-50. [4] Z. Wang et al. Rsc. Adv. 2014, 4, 4069-4079.

 

See more of: B01 Poster Session

See more of: B01: Carbon Nanostructures for Energy Conversion

See more of: Carbon Nanostructures and Devices

 

------------------------

16th Internatioanl Symposium on Electroanalytical Chemistry

Changchun, China, August 17-20, 2017

Prof. Kakiuchi

 

 

-----------------------------------

2017 ISE annual meeting

27 August - 1 September, Providence, RI, USA

Theory of solid-electrolyte interfaces

 

S17-006

Masahiro Yamamoto (Department of Chemistry, Konan University, Kobe, Japan)

First-principles calculation of the surface interaction of Li with graphite and oxide

 

Poster presentation session 3 - Wednesday

Symposia: s06, s10, s15, s17, s19

Poster set-up Wednesday: 08:30-10:30 See poster locations map on page 174

Poster Presentation: Wednesday, 30 August 2017: 10:45-12:45

Poster take-down Thursday: 12:00-14:00

‘ć68‰ńƒRƒƒCƒh‚¨‚ć‚ŃŠE–ʉťŠw“˘˜_‰ď

2017/9/6-2017/9/8  _ŒË‘ĺŠw’ߍb‘ć‚PƒLƒƒƒ“ƒpƒX

G‰ďę@9/6

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9/6          11:20-11:40            1G15      ’P“ĆƒCƒIƒ“Šˆ—Ę‘Ş’č‚Ć“d‰đŽż—˜_

(1b“ě‘ĺ—H, 2JST-CREST)

ŽR–{ ‰ë”Ž1,2, Š_“ŕ —˛1,2

 

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2017”N“d‹C‰ťŠw‰ďH‹G‘ĺ‰ď

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9ŒŽ9“úi“yj- 9ŒŽ12“úi‰Îj

B2004   9/10   09:4510:00   ‚a‰ďę 

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‹¤Ă        “ú–{‰ťŠw‰ďC“d‹C‰ťŠw‰ďC“ú–{•ސ͉ťŠw‰ďC—n”}’ŠoŠw‰ď

‰ďŠú       

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11:15-11:30 1G2

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11:45-12:00 1G4

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P28*

Tributylmethoxyethylphosphonium bis(trifluoromethylsulfony) amide ‚đ—p‚˘‚éƒC

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2b“ě‘ĺ—H

 

 

 

“d‹C‰ťŠw‰ď‘ć85‰ń‘ĺ‰ď@2018/3/9-2018/3/11 “Œ‹ž—‰Č‘劋üƒLƒƒƒ“ƒpƒX

 

2018”N3ŒŽ10“ú(“y) 09:45 ` 10:00

[2W02] ŠE–Ę“d‹CŒťŰ‚ÉŠî‚Ă‚˘‚˝‘˝EŽżŢ—ż‚ĚŽ‚—e—Ę“ÁŤ‚ÉŠÖ‚ˇ‚闝‰đ

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S16. ƒiƒmƒXƒP[ƒ‹ŠE–ʁE•\–Ę‚Ě\‘˘‚Ćƒ_ƒCƒiƒ~ƒNƒX@@2018”N3ŒŽ10“ú(“y) 09:30 ` 10:00 W‰ďę (u‹`“511†Žş)

ŽĺĂFƒiƒmŠE–ʁE•\–ĘŒ¤‹†§’k‰ď

 

 

2018”N3ŒŽ9“ú(‹ŕ) 18:00 ` 20:00

[PS-112] ‘a…ŤƒCƒIƒ“‰t‘̉–‹´‚đ—p‚˘‚éHCl-NaClŹ‡“d‰đŽż…—n‰t’†‚̐…‘fƒCƒIƒ“‚Ě’P“ĆƒCƒIƒ“Šˆ—Ę‘Ş’č

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2018”N3ŒŽ9“ú(‹ŕ) 18:00 ` 20:00 Šwśƒ|ƒXƒ^[ƒZƒbƒVƒ‡ƒ“ (}‘ŠŮ)

 

 

2018”N3ŒŽ10“ú(“y) 11:15 ` 11:30

[2W08] Li‚ĚƒOƒ‰ƒtƒ@ƒCƒg‘wŠÔ‚Ĺ‚ĚˆÚ“Žá•ǁFvdw-DFTŒvŽZ

ZŽR–{ ‰ë”Ž1,2A”óŒű ’B–ç1A—]•S ’›‰Ô1 (1. b“ě‘ĺ—HA2. JST-CREST)

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2018”N3ŒŽ10“ú(“y) 11:00 ` 12:00 W‰ďę (u‹`“511†Žş)

Ŕ’ˇ:’†‘ş ŤŽu(ç—t‘ĺŠw)@ŽĺĂFƒiƒmŠE–ʁE•\–ĘŒ¤‹†§’k‰ď

 

2018”N3ŒŽ9“ú(‹ŕ) 16:00 ` 16:15

[1J18] –ű…‚Q‘ŠŠÔ‚ĚƒCƒIƒ“•Ş”z“dˆĘˇ‚ÉŠÖ‚ˇ‚éƒlƒ‹ƒ“ƒXƒgŽŽ‚Ě‹NŒš‚Ć”­“W

ZŠ_“ŕ —˛1 (1. b“ě‘ĺ‰@ŽŠ‘R‰ČŠw)

y“d‹C‰ťŠwŠî‘bE‰ž—pEŢ—żƒfƒoƒCƒXz“d‹C‰ťŠwŠî‘bE‰ž—pEŢ—żƒfƒoƒCƒXi4j

ˆę”ĘŠwpu‰‰•Ş—Ţ@2018”N3ŒŽ9“ú(‹ŕ) 15:00 ` 16:15 J‰ďę (u‹`“406†Žş)

Ŕ’ˇ:Źź ^ŽĄ(“ŒŠC‘ĺŠw)