JPH05335012
PURPOSE:To equip a lithium secondary battery with a high grade of energy density and excellent cyclic characteristics by using a negative electrode body which is prepared by subjecting carbon black heat treated under specific conditions to doping with lithium efficiently and stably. CONSTITUTION:Lit...
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| creator | UEI TOSHIHARU TAKEI KATSUHITO KUMAI KAZUMA IWABORI TORU KOSHO MASUMI |
| description | PURPOSE:To equip a lithium secondary battery with a high grade of energy density and excellent cyclic characteristics by using a negative electrode body which is prepared by subjecting carbon black heat treated under specific conditions to doping with lithium efficiently and stably. CONSTITUTION:Lithium for negative electrode active material is borne by carbon black which was heat treated at a temp. over 900 deg.C in an inert atmosphere and which has an arithmeticallly averaged primary particle size of below 70nm, and thus a negative electrode body is formed for a lithium secondary battery concerned. The carbon black after heat treatment preferably has a G value of 0.15 or less as determined from the equation G(gram equivalent/100g carbon black) = [oxygen quantity in %/8] + hydrogen quantity in % and has a pH of 9.0 or more. |
| format | Patent |
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CONSTITUTION:Lithium for negative electrode active material is borne by carbon black which was heat treated at a temp. over 900 deg.C in an inert atmosphere and which has an arithmeticallly averaged primary particle size of below 70nm, and thus a negative electrode body is formed for a lithium secondary battery concerned. The carbon black after heat treatment preferably has a G value of 0.15 or less as determined from the equation G(gram equivalent/100g carbon black) = [oxygen quantity in %/8] + hydrogen quantity in % and has a pH of 9.0 or more.</description><edition>5</edition><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; CHEMISTRY ; COMPOUNDS THEREOF ; ELECTRICITY ; INORGANIC CHEMISTRY ; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES ; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES ; METALLURGY ; NANOTECHNOLOGY ; NON-METALLIC ELEMENTS ; PERFORMING OPERATIONS ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY ; SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES ; TRANSPORTING</subject><creationdate>1993</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19931217&DB=EPODOC&CC=JP&NR=H05335012A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19931217&DB=EPODOC&CC=JP&NR=H05335012A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>UEI TOSHIHARU</creatorcontrib><creatorcontrib>TAKEI KATSUHITO</creatorcontrib><creatorcontrib>KUMAI KAZUMA</creatorcontrib><creatorcontrib>IWABORI TORU</creatorcontrib><creatorcontrib>KOSHO MASUMI</creatorcontrib><title>JPH05335012</title><description>PURPOSE:To equip a lithium secondary battery with a high grade of energy density and excellent cyclic characteristics by using a negative electrode body which is prepared by subjecting carbon black heat treated under specific conditions to doping with lithium efficiently and stably. 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CONSTITUTION:Lithium for negative electrode active material is borne by carbon black which was heat treated at a temp. over 900 deg.C in an inert atmosphere and which has an arithmeticallly averaged primary particle size of below 70nm, and thus a negative electrode body is formed for a lithium secondary battery concerned. The carbon black after heat treatment preferably has a G value of 0.15 or less as determined from the equation G(gram equivalent/100g carbon black) = [oxygen quantity in %/8] + hydrogen quantity in % and has a pH of 9.0 or more.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS THEREOF ELECTRICITY INORGANIC CHEMISTRY MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES METALLURGY NANOTECHNOLOGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES TRANSPORTING |
| title | JPH05335012 |
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