NEGATIVE ELECTRODE FOR NICKEL HYDROGEN SECONDARY BATTERY, AND NICKEL HYDROGEN SECONDARY BATTERY INCLUDING THE NEGATIVE ELECTRODE

NEGATIVE ELECTRODE FOR NICKEL HYDROGEN SECONDARY BATTERY, AND NICKEL HYDROGEN SECONDARY BATTERY INCLUDING THE NEGATIVE ELECTRODE

The nickel hydrogen secondary battery (2) has an electrode group (22) including a separator (28), a positive electrode (24) and a negative electrode (26), wherein the negative electrode (26) has a negative electrode core, and a negative electrode mixture held on the negative electrode core, wherein...

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Hauptverfasser: Ishida, Jun, Ohata, Shota, Saguchi, Akira
Format: Patent
Sprache:eng ; fre ; ger
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ALLOYS
BASIC ELECTRIC ELEMENTS
CHEMISTRY
ELECTRICITY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator Ishida, Jun
Ohata, Shota
Saguchi, Akira
description The nickel hydrogen secondary battery (2) has an electrode group (22) including a separator (28), a positive electrode (24) and a negative electrode (26), wherein the negative electrode (26) has a negative electrode core, and a negative electrode mixture held on the negative electrode core, wherein the negative electrode mixture contains a hydrogen absorbing alloy and a water repellent, wherein the hydrogen absorbing alloy has a composition represented by the general formula: Ln 1-x Mg x Ni y-a-b Al a M b (wherein Ln represents at least one element selected from rare earth elements, Ti and Zr; M represents at least one element selected from V, Nb, Ta, and the like; and the subscripts a, b, x and y satisfy relations represented by 0.05 ‰¤ a ‰¤ 0.30, 0 ‰¤ b ‰¤ 0.50, 0 ‰¤ x < 0.05 and 2.8 ‰¤ y ‰¤ 3.9, respectively), and has a structure of an A 2 B 7 type; and the water repellent comprises a perfluoroalkoxyalkane.
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M represents at least one element selected from V, Nb, Ta, and the like; and the subscripts a, b, x and y satisfy relations represented by 0.05 ‰¤ a ‰¤ 0.30, 0 ‰¤ b ‰¤ 0.50, 0 ‰¤ x &lt; 0.05 and 2.8 ‰¤ y ‰¤ 3.9, respectively), and has a structure of an A 2 B 7 type; and the water repellent comprises a perfluoroalkoxyalkane.</description><language>eng ; fre ; ger</language><subject>ALLOYS ; BASIC ELECTRIC ELEMENTS ; CHEMISTRY ; ELECTRICITY ; FERROUS OR NON-FERROUS ALLOYS ; METALLURGY ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2020</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=20201007&amp;DB=EPODOC&amp;CC=EP&amp;NR=3483960B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20201007&amp;DB=EPODOC&amp;CC=EP&amp;NR=3483960B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Ishida, Jun</creatorcontrib><creatorcontrib>Ohata, Shota</creatorcontrib><creatorcontrib>Saguchi, Akira</creatorcontrib><title>NEGATIVE ELECTRODE FOR NICKEL HYDROGEN SECONDARY BATTERY, AND NICKEL HYDROGEN SECONDARY BATTERY INCLUDING THE NEGATIVE ELECTRODE</title><description>The nickel hydrogen secondary battery (2) has an electrode group (22) including a separator (28), a positive electrode (24) and a negative electrode (26), wherein the negative electrode (26) has a negative electrode core, and a negative electrode mixture held on the negative electrode core, wherein the negative electrode mixture contains a hydrogen absorbing alloy and a water repellent, wherein the hydrogen absorbing alloy has a composition represented by the general formula: Ln 1-x Mg x Ni y-a-b Al a M b (wherein Ln represents at least one element selected from rare earth elements, Ti and Zr; 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Ohata, Shota ; Saguchi, Akira</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3483960B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2020</creationdate><topic>ALLOYS</topic><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CHEMISTRY</topic><topic>ELECTRICITY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>METALLURGY</topic><topic>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>Ishida, Jun</creatorcontrib><creatorcontrib>Ohata, Shota</creatorcontrib><creatorcontrib>Saguchi, Akira</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Ishida, Jun</au><au>Ohata, Shota</au><au>Saguchi, Akira</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>NEGATIVE ELECTRODE FOR NICKEL HYDROGEN SECONDARY BATTERY, AND NICKEL HYDROGEN SECONDARY BATTERY INCLUDING THE NEGATIVE ELECTRODE</title><date>2020-10-07</date><risdate>2020</risdate><abstract>The nickel hydrogen secondary battery (2) has an electrode group (22) including a separator (28), a positive electrode (24) and a negative electrode (26), wherein the negative electrode (26) has a negative electrode core, and a negative electrode mixture held on the negative electrode core, wherein the negative electrode mixture contains a hydrogen absorbing alloy and a water repellent, wherein the hydrogen absorbing alloy has a composition represented by the general formula: Ln 1-x Mg x Ni y-a-b Al a M b (wherein Ln represents at least one element selected from rare earth elements, Ti and Zr; 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subjects ALLOYS
BASIC ELECTRIC ELEMENTS
CHEMISTRY
ELECTRICITY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title NEGATIVE ELECTRODE FOR NICKEL HYDROGEN SECONDARY BATTERY, AND NICKEL HYDROGEN SECONDARY BATTERY INCLUDING THE NEGATIVE ELECTRODE
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