Electrochemical properties and Li deposition morphologies of surface modified graphite after grinding
Electrochemical properties and Li deposition morphologies of several kinds of carbon with different surfaces were studied. The surface conditions and Li deposition morphologies were analyzed using Raman spectroscopy and scanning electron microscopy. It appeared that the disordered carbon surface sup...
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| Veröffentlicht in: | Journal of power sources 2009-04, Vol.189 (1), p.337-343 |
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| container_title | Journal of power sources |
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| creator | Honbo, H. Takei, K. Ishii, Y. Nishida, T. |
| description | Electrochemical properties and Li deposition morphologies of several kinds of carbon with different surfaces were studied. The surface conditions and Li deposition morphologies were analyzed using Raman spectroscopy and scanning electron microscopy. It appeared that the disordered carbon surface suppressed the Li dendrite deposition. Grinding methods with different clearances were adopted to modify the graphite into a desirable surface. The
R-value increased from 0.10 to 0.63 after grinding to 40
μm, though a significant change in
d
0
0
2
did not occur. These results suggest that disordered carbon was created on the surface without a significant change in bulk crystallinity. Thus, the reversible capacity, which is about 350
mAh
g
−1, was the same before and after grinding. However, the Li deposition morphologies significantly changed before and after grinding. The pristine graphite had a dendritic morphology, but the ground graphite had a granular morphology. It is believed that the defects on the disordered carbon act as electrodeposition nuclei and prevent the formation of Li dendrites. |
| doi_str_mv | 10.1016/j.jpowsour.2008.08.048 |
| format | Article |
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R-value increased from 0.10 to 0.63 after grinding to 40
μm, though a significant change in
d
0
0
2
did not occur. These results suggest that disordered carbon was created on the surface without a significant change in bulk crystallinity. Thus, the reversible capacity, which is about 350
mAh
g
−1, was the same before and after grinding. However, the Li deposition morphologies significantly changed before and after grinding. The pristine graphite had a dendritic morphology, but the ground graphite had a granular morphology. It is believed that the defects on the disordered carbon act as electrodeposition nuclei and prevent the formation of Li dendrites.</description><identifier>ISSN: 0378-7753</identifier><identifier>EISSN: 1873-2755</identifier><identifier>DOI: 10.1016/j.jpowsour.2008.08.048</identifier><identifier>CODEN: JPSODZ</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Applied sciences ; Carbon ; Crystal defects ; Crystallinity ; Dendrite ; Dendritic structure ; Deposition ; Direct energy conversion and energy accumulation ; Electrical engineering. Electrical power engineering ; Electrical power engineering ; Electrochemical conversion: primary and secondary batteries, fuel cells ; Exact sciences and technology ; Graphite ; Grinding ; Grounds ; Irreversible capacity ; Lithium ; Morphology ; R-value</subject><ispartof>Journal of power sources, 2009-04, Vol.189 (1), p.337-343</ispartof><rights>2008 Elsevier B.V.</rights><rights>2009 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c415t-27badeb512fca0dd0167a89f49cf90e61a27b52219ee10f0ae63d16a39c68b53</citedby><cites>FETCH-LOGICAL-c415t-27badeb512fca0dd0167a89f49cf90e61a27b52219ee10f0ae63d16a39c68b53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jpowsour.2008.08.048$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>309,310,314,780,784,789,790,3550,23930,23931,25140,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21693775$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Honbo, H.</creatorcontrib><creatorcontrib>Takei, K.</creatorcontrib><creatorcontrib>Ishii, Y.</creatorcontrib><creatorcontrib>Nishida, T.</creatorcontrib><title>Electrochemical properties and Li deposition morphologies of surface modified graphite after grinding</title><title>Journal of power sources</title><description>Electrochemical properties and Li deposition morphologies of several kinds of carbon with different surfaces were studied. The surface conditions and Li deposition morphologies were analyzed using Raman spectroscopy and scanning electron microscopy. It appeared that the disordered carbon surface suppressed the Li dendrite deposition. Grinding methods with different clearances were adopted to modify the graphite into a desirable surface. The
R-value increased from 0.10 to 0.63 after grinding to 40
μm, though a significant change in
d
0
0
2
did not occur. These results suggest that disordered carbon was created on the surface without a significant change in bulk crystallinity. Thus, the reversible capacity, which is about 350
mAh
g
−1, was the same before and after grinding. However, the Li deposition morphologies significantly changed before and after grinding. The pristine graphite had a dendritic morphology, but the ground graphite had a granular morphology. It is believed that the defects on the disordered carbon act as electrodeposition nuclei and prevent the formation of Li dendrites.</description><subject>Applied sciences</subject><subject>Carbon</subject><subject>Crystal defects</subject><subject>Crystallinity</subject><subject>Dendrite</subject><subject>Dendritic structure</subject><subject>Deposition</subject><subject>Direct energy conversion and energy accumulation</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Electrical power engineering</subject><subject>Electrochemical conversion: primary and secondary batteries, fuel cells</subject><subject>Exact sciences and technology</subject><subject>Graphite</subject><subject>Grinding</subject><subject>Grounds</subject><subject>Irreversible capacity</subject><subject>Lithium</subject><subject>Morphology</subject><subject>R-value</subject><issn>0378-7753</issn><issn>1873-2755</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LxDAQhoMouK7-BelFPLUm6fdNWdYPWPCy95BNJrtT2qYmreK_N2VXr8JAyOSdefM-hNwymjDKiocmaQb75e3kEk5plcyVVWdkwaoyjXmZ5-dkQdOyissyTy_JlfcNpZSxki4IrFtQo7PqAB0q2UaDswO4EcFHstfRBiMNg_U4ou2jzrrhYFu7n5-tifzkjFQQ-hoNgo72Tg4HHCGSZgQXrthr7PfX5MLI1sPN6VyS7fN6u3qNN-8vb6unTawylo_hrzupYZczbpSkWod0paxqk9XK1BQKJoMi55zVAIwaKqFINStkWqui2uXpktwf14YQHxP4UXToFbSt7MFOXlR1wXle8zQoi6NSOeu9AyMGh51034JRMVMVjfilKmaqYq6sCoN3JwvpAy7jZK_Q_01zVtTpjHlJHo86CHE_EZzwCqFXoNEF4EJb_M_qB5umlGE</recordid><startdate>20090401</startdate><enddate>20090401</enddate><creator>Honbo, H.</creator><creator>Takei, K.</creator><creator>Ishii, Y.</creator><creator>Nishida, T.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>20090401</creationdate><title>Electrochemical properties and Li deposition morphologies of surface modified graphite after grinding</title><author>Honbo, H. ; Takei, K. ; Ishii, Y. ; Nishida, T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c415t-27badeb512fca0dd0167a89f49cf90e61a27b52219ee10f0ae63d16a39c68b53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Applied sciences</topic><topic>Carbon</topic><topic>Crystal defects</topic><topic>Crystallinity</topic><topic>Dendrite</topic><topic>Dendritic structure</topic><topic>Deposition</topic><topic>Direct energy conversion and energy accumulation</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Electrical power engineering</topic><topic>Electrochemical conversion: primary and secondary batteries, fuel cells</topic><topic>Exact sciences and technology</topic><topic>Graphite</topic><topic>Grinding</topic><topic>Grounds</topic><topic>Irreversible capacity</topic><topic>Lithium</topic><topic>Morphology</topic><topic>R-value</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Honbo, H.</creatorcontrib><creatorcontrib>Takei, K.</creatorcontrib><creatorcontrib>Ishii, Y.</creatorcontrib><creatorcontrib>Nishida, T.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of power sources</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Honbo, H.</au><au>Takei, K.</au><au>Ishii, Y.</au><au>Nishida, T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electrochemical properties and Li deposition morphologies of surface modified graphite after grinding</atitle><jtitle>Journal of power sources</jtitle><date>2009-04-01</date><risdate>2009</risdate><volume>189</volume><issue>1</issue><spage>337</spage><epage>343</epage><pages>337-343</pages><issn>0378-7753</issn><eissn>1873-2755</eissn><coden>JPSODZ</coden><abstract>Electrochemical properties and Li deposition morphologies of several kinds of carbon with different surfaces were studied. The surface conditions and Li deposition morphologies were analyzed using Raman spectroscopy and scanning electron microscopy. It appeared that the disordered carbon surface suppressed the Li dendrite deposition. Grinding methods with different clearances were adopted to modify the graphite into a desirable surface. The
R-value increased from 0.10 to 0.63 after grinding to 40
μm, though a significant change in
d
0
0
2
did not occur. These results suggest that disordered carbon was created on the surface without a significant change in bulk crystallinity. Thus, the reversible capacity, which is about 350
mAh
g
−1, was the same before and after grinding. However, the Li deposition morphologies significantly changed before and after grinding. The pristine graphite had a dendritic morphology, but the ground graphite had a granular morphology. It is believed that the defects on the disordered carbon act as electrodeposition nuclei and prevent the formation of Li dendrites.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jpowsour.2008.08.048</doi><tpages>7</tpages></addata></record> |
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| ispartof | Journal of power sources, 2009-04, Vol.189 (1), p.337-343 |
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| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Applied sciences Carbon Crystal defects Crystallinity Dendrite Dendritic structure Deposition Direct energy conversion and energy accumulation Electrical engineering. Electrical power engineering Electrical power engineering Electrochemical conversion: primary and secondary batteries, fuel cells Exact sciences and technology Graphite Grinding Grounds Irreversible capacity Lithium Morphology R-value |
| title | Electrochemical properties and Li deposition morphologies of surface modified graphite after grinding |
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