Particles and method for producing same, and secondary battery and method for producing same

A particle containing graphite (A) and a particle (B) containing an element silicon, the particle having a chromaticity b * of 2.0 or less. The chromaticity b * of the particles is preferably from 0.2 to 1.1 (inclusive), and the chromaticity a * is preferably from 0.2 to 1.2 (inclusive). A method fo...

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Hauptverfasser:	FUSE TOORU, MARU NAOTO, ENATSU YUKI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS THEREOF ELECTRICITY INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator	FUSE TOORU MARU NAOTO ENATSU YUKI
description	A particle containing graphite (A) and a particle (B) containing an element silicon, the particle having a chromaticity b * of 2.0 or less. The chromaticity b * of the particles is preferably from 0.2 to 1.1 (inclusive), and the chromaticity a * is preferably from 0.2 to 1.2 (inclusive). A method for manufacturing a secondary battery including a positive electrode, a negative electrode, and an electrolyte, the negative electrode including a current collector and a negative electrode active material layer formed on the current collector, the negative electrode active material layer including the graphite. 一种粒子，其包含石墨(A)和含有硅元素的粒子(B)，该粒子的色度b为2.0以下。粒子的色度b优选为0.2以上且1.1以下，色度a*优选为0.2以上且1.2以下。一种二次电池的制造方法，该二次电池包含正极、负极及电解质，该负极包含集电体和该形成于集电体上的负极活性物质层，该负极活性物质层包含该石墨。
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The chromaticity b * of the particles is preferably from 0.2 to 1.1 (inclusive), and the chromaticity a * is preferably from 0.2 to 1.2 (inclusive). A method for manufacturing a secondary battery including a positive electrode, a negative electrode, and an electrolyte, the negative electrode including a current collector and a negative electrode active material layer formed on the current collector, the negative electrode active material layer including the graphite. 一种粒子，其包含石墨(A)和含有硅元素的粒子(B)，该粒子的色度b为2.0以下。粒子的色度b优选为0.2以上且1.1以下，色度a优选为0.2以上且1.2以下。一种二次电池的制造方法，该二次电池包含正极、负极及电解质，该负极包含集电体和该形成于集电体上的负极活性物质层，该负极活性物质层包含该石墨。</description><language>chi ; eng</language><subject>BASIC ELECTRIC ELEMENTS ; CHEMISTRY ; COMPOUNDS THEREOF ; ELECTRICITY ; INORGANIC CHEMISTRY ; METALLURGY ; NON-METALLIC ELEMENTS ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><creationdate>2024</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=20240607&DB=EPODOC&CC=CN&NR=118160111A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240607&DB=EPODOC&CC=CN&NR=118160111A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FUSE TOORU</creatorcontrib><creatorcontrib>MARU NAOTO</creatorcontrib><creatorcontrib>ENATSU YUKI</creatorcontrib><title>Particles and method for producing same, and secondary battery and method for producing same</title><description>A particle containing graphite (A) and a particle (B) containing an element silicon, the particle having a chromaticity b of 2.0 or less. The chromaticity b * of the particles is preferably from 0.2 to 1.1 (inclusive), and the chromaticity a * is preferably from 0.2 to 1.2 (inclusive). A method for manufacturing a secondary battery including a positive electrode, a negative electrode, and an electrolyte, the negative electrode including a current collector and a negative electrode active material layer formed on the current collector, the negative electrode active material layer including the graphite. 一种粒子，其包含石墨(A)和含有硅元素的粒子(B)，该粒子的色度b为2.0以下。粒子的色度b优选为0.2以上且1.1以下，色度a优选为0.2以上且1.2以下。一种二次电池的制造方法，该二次电池包含正极、负极及电解质，该负极包含集电体和该形成于集电体上的负极活性物质层，该负极活性物质层包含该石墨。</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CHEMISTRY</subject><subject>COMPOUNDS THEREOF</subject><subject>ELECTRICITY</subject><subject>INORGANIC CHEMISTRY</subject><subject>METALLURGY</subject><subject>NON-METALLIC ELEMENTS</subject><subject>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZIgJSCwqyUzOSS1WSMxLUchNLcnIT1FIyy9SKCjKTylNzsxLVyhOzE3VAUsXpybn56UkFlUqJCWWlKQCabyaeBhY0xJzilN5oTQ3g6Kba4izh25qQX58anFBYnJqXmpJvLOfoaGFoZmBoaGhozExagCEYDts</recordid><startdate>20240607</startdate><enddate>20240607</enddate><creator>FUSE TOORU</creator><creator>MARU NAOTO</creator><creator>ENATSU YUKI</creator><scope>EVB</scope></search><sort><creationdate>20240607</creationdate><title>Particles and method for producing same, and secondary battery and method for producing same</title><author>FUSE TOORU ; MARU NAOTO ; ENATSU YUKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN118160111A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2024</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CHEMISTRY</topic><topic>COMPOUNDS THEREOF</topic><topic>ELECTRICITY</topic><topic>INORGANIC CHEMISTRY</topic><topic>METALLURGY</topic><topic>NON-METALLIC ELEMENTS</topic><topic>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</topic><toplevel>online_resources</toplevel><creatorcontrib>FUSE TOORU</creatorcontrib><creatorcontrib>MARU NAOTO</creatorcontrib><creatorcontrib>ENATSU YUKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>FUSE TOORU</au><au>MARU NAOTO</au><au>ENATSU YUKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Particles and method for producing same, and secondary battery and method for producing same</title><date>2024-06-07</date><risdate>2024</risdate><abstract>A particle containing graphite (A) and a particle (B) containing an element silicon, the particle having a chromaticity b of 2.0 or less. The chromaticity b * of the particles is preferably from 0.2 to 1.1 (inclusive), and the chromaticity a * is preferably from 0.2 to 1.2 (inclusive). A method for manufacturing a secondary battery including a positive electrode, a negative electrode, and an electrolyte, the negative electrode including a current collector and a negative electrode active material layer formed on the current collector, the negative electrode active material layer including the graphite. 一种粒子，其包含石墨(A)和含有硅元素的粒子(B)，该粒子的色度b为2.0以下。粒子的色度b优选为0.2以上且1.1以下，色度a*优选为0.2以上且1.2以下。一种二次电池的制造方法，该二次电池包含正极、负极及电解质，该负极包含集电体和该形成于集电体上的负极活性物质层，该负极活性物质层包含该石墨。</abstract><oa>free_for_read</oa></addata></record>
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title	Particles and method for producing same, and secondary battery and method for producing same
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