JP2794825B

JP2794825B

PURPOSE:To obtain a nickel hydroxide electrode of high utilization factor even by the use of metallic cobalt having an oxide film thereon by applying a voltage less than electric potential for dissolution/deposition of metal cobalt, and then charging a battery. CONSTITUTION:During formation of a nic...

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1. Verfasser: IZUMI SEIJI
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Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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description PURPOSE:To obtain a nickel hydroxide electrode of high utilization factor even by the use of metallic cobalt having an oxide film thereon by applying a voltage less than electric potential for dissolution/deposition of metal cobalt, and then charging a battery. CONSTITUTION:During formation of a nickel hydroxide electrode, a voltage less than electric potential for dissolution/deposition of metal cobalt is applied to the electrode and then a battery is charged. A passive film formed on the surface of metal cobalt is readily removed by application of a voltage less than electric potential for dissolution/deposition of metal cobalt i.e., to a mercury oxide electrode, and the same effect as when using metal cobalt with no oxide film can be obtained and so the metal cobalt covered with the passive film is totally charged and an electrode of large discharge capacity and which has no dispersion is obtained. Thus metal cobalt having its surface oxidized is usable and an electrode of large discharge capacity and which has no dispersion is obtained.
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CONSTITUTION:During formation of a nickel hydroxide electrode, a voltage less than electric potential for dissolution/deposition of metal cobalt is applied to the electrode and then a battery is charged. A passive film formed on the surface of metal cobalt is readily removed by application of a voltage less than electric potential for dissolution/deposition of metal cobalt i.e., to a mercury oxide electrode, and the same effect as when using metal cobalt with no oxide film can be obtained and so the metal cobalt covered with the passive film is totally charged and an electrode of large discharge capacity and which has no dispersion is obtained. Thus metal cobalt having its surface oxidized is usable and an electrode of large discharge capacity and which has no dispersion is obtained.</description><edition>6</edition><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; ELECTRICITY ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><creationdate>1998</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&amp;date=19980910&amp;DB=EPODOC&amp;CC=JP&amp;NR=2794825B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19980910&amp;DB=EPODOC&amp;CC=JP&amp;NR=2794825B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IZUMI SEIJI</creatorcontrib><title>JP2794825B</title><description>PURPOSE:To obtain a nickel hydroxide electrode of high utilization factor even by the use of metallic cobalt having an oxide film thereon by applying a voltage less than electric potential for dissolution/deposition of metal cobalt, and then charging a battery. CONSTITUTION:During formation of a nickel hydroxide electrode, a voltage less than electric potential for dissolution/deposition of metal cobalt is applied to the electrode and then a battery is charged. A passive film formed on the surface of metal cobalt is readily removed by application of a voltage less than electric potential for dissolution/deposition of metal cobalt i.e., to a mercury oxide electrode, and the same effect as when using metal cobalt with no oxide film can be obtained and so the metal cobalt covered with the passive film is totally charged and an electrode of large discharge capacity and which has no dispersion is obtained. Thus metal cobalt having its surface oxidized is usable and an electrode of large discharge capacity and which has no dispersion is obtained.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>ELECTRICITY</subject><subject>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1998</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZODyCjAytzSxMDJ14mFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8QgNTkbGxKgBACtQG4g</recordid><startdate>19980910</startdate><enddate>19980910</enddate><creator>IZUMI SEIJI</creator><scope>EVB</scope></search><sort><creationdate>19980910</creationdate><title>JP2794825B</title><author>IZUMI SEIJI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2794825BB23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1998</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>ELECTRICITY</topic><topic>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</topic><toplevel>online_resources</toplevel><creatorcontrib>IZUMI SEIJI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>IZUMI SEIJI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>JP2794825B</title><date>1998-09-10</date><risdate>1998</risdate><abstract>PURPOSE:To obtain a nickel hydroxide electrode of high utilization factor even by the use of metallic cobalt having an oxide film thereon by applying a voltage less than electric potential for dissolution/deposition of metal cobalt, and then charging a battery. CONSTITUTION:During formation of a nickel hydroxide electrode, a voltage less than electric potential for dissolution/deposition of metal cobalt is applied to the electrode and then a battery is charged. A passive film formed on the surface of metal cobalt is readily removed by application of a voltage less than electric potential for dissolution/deposition of metal cobalt i.e., to a mercury oxide electrode, and the same effect as when using metal cobalt with no oxide film can be obtained and so the metal cobalt covered with the passive film is totally charged and an electrode of large discharge capacity and which has no dispersion is obtained. Thus metal cobalt having its surface oxidized is usable and an electrode of large discharge capacity and which has no dispersion is obtained.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title JP2794825B
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