ELECTRICITY STORAGE ELEMENT AND METHOD FOR PRODUCING ELECTRICITY STORAGE ELEMENT
An energy storage device is provided that has improved power performance at low temperature. In the present embodiment, an energy storage device is provided that includes an electrode having an active material layer, the active material layer contains at least active material particles, the particle...
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| creator | KAWAGUCHI, Kazuki ITO, Shota SHIMOKAWA, Ryosuke KAKO, Tomonori |
| description | An energy storage device is provided that has improved power performance at low temperature. In the present embodiment, an energy storage device is provided that includes an electrode having an active material layer, the active material layer contains at least active material particles, the particles contained in the active material layer gives a volume-based particle size frequency distribution that has a first peak and a second peak appearing in a particle size larger than a particle size of the first peak, and particles having particle sizes equal to or smaller than a particle size Dx have a volume proportion of 49% or more and 62% or less in a volume of whole particles contained in the active material layer, with the particle size Dx defined as a particle size at a local minimum frequency between the first peak and the second peak in the particle size frequency distribution. |
| format | Patent |
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In the present embodiment, an energy storage device is provided that includes an electrode having an active material layer, the active material layer contains at least active material particles, the particles contained in the active material layer gives a volume-based particle size frequency distribution that has a first peak and a second peak appearing in a particle size larger than a particle size of the first peak, and particles having particle sizes equal to or smaller than a particle size Dx have a volume proportion of 49% or more and 62% or less in a volume of whole particles contained in the active material layer, with the particle size Dx defined as a particle size at a local minimum frequency between the first peak and the second peak in the particle size frequency distribution.</description><language>eng ; fre ; ger</language><subject>BASIC ELECTRIC ELEMENTS ; CAPACITORS ; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ; ELECTRICITY ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><creationdate>2022</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=20220330&DB=EPODOC&CC=EP&NR=3509137B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220330&DB=EPODOC&CC=EP&NR=3509137B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KAWAGUCHI, Kazuki</creatorcontrib><creatorcontrib>ITO, Shota</creatorcontrib><creatorcontrib>SHIMOKAWA, Ryosuke</creatorcontrib><creatorcontrib>KAKO, Tomonori</creatorcontrib><title>ELECTRICITY STORAGE ELEMENT AND METHOD FOR PRODUCING ELECTRICITY STORAGE ELEMENT</title><description>An energy storage device is provided that has improved power performance at low temperature. In the present embodiment, an energy storage device is provided that includes an electrode having an active material layer, the active material layer contains at least active material particles, the particles contained in the active material layer gives a volume-based particle size frequency distribution that has a first peak and a second peak appearing in a particle size larger than a particle size of the first peak, and particles having particle sizes equal to or smaller than a particle size Dx have a volume proportion of 49% or more and 62% or less in a volume of whole particles contained in the active material layer, with the particle size Dx defined as a particle size at a local minimum frequency between the first peak and the second peak in the particle size frequency distribution.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CAPACITORS</subject><subject>CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE</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>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZAhw9XF1DgnydPYMiVQIDvEPcnR3VQCK-br6hSg4-rko-LqGePi7KLj5BykEBPm7hDp7-rkr4NHEw8CalphTnMoLpbkZFNxcQ5w9dFML8uNTiwsSk1PzUkviXQOMTQ0sDY3NnQyNiVACADJ1Lt8</recordid><startdate>20220330</startdate><enddate>20220330</enddate><creator>KAWAGUCHI, Kazuki</creator><creator>ITO, Shota</creator><creator>SHIMOKAWA, Ryosuke</creator><creator>KAKO, Tomonori</creator><scope>EVB</scope></search><sort><creationdate>20220330</creationdate><title>ELECTRICITY STORAGE ELEMENT AND METHOD FOR PRODUCING ELECTRICITY STORAGE ELEMENT</title><author>KAWAGUCHI, Kazuki ; ITO, Shota ; SHIMOKAWA, Ryosuke ; KAKO, Tomonori</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3509137B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2022</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CAPACITORS</topic><topic>CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE</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>KAWAGUCHI, Kazuki</creatorcontrib><creatorcontrib>ITO, Shota</creatorcontrib><creatorcontrib>SHIMOKAWA, Ryosuke</creatorcontrib><creatorcontrib>KAKO, Tomonori</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KAWAGUCHI, Kazuki</au><au>ITO, Shota</au><au>SHIMOKAWA, Ryosuke</au><au>KAKO, Tomonori</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ELECTRICITY STORAGE ELEMENT AND METHOD FOR PRODUCING ELECTRICITY STORAGE ELEMENT</title><date>2022-03-30</date><risdate>2022</risdate><abstract>An energy storage device is provided that has improved power performance at low temperature. In the present embodiment, an energy storage device is provided that includes an electrode having an active material layer, the active material layer contains at least active material particles, the particles contained in the active material layer gives a volume-based particle size frequency distribution that has a first peak and a second peak appearing in a particle size larger than a particle size of the first peak, and particles having particle sizes equal to or smaller than a particle size Dx have a volume proportion of 49% or more and 62% or less in a volume of whole particles contained in the active material layer, with the particle size Dx defined as a particle size at a local minimum frequency between the first peak and the second peak in the particle size frequency distribution.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY |
| title | ELECTRICITY STORAGE ELEMENT AND METHOD FOR PRODUCING ELECTRICITY STORAGE ELEMENT |
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