Improved preparation method of nano composite thermoelectric material
The invention discloses an improved preparation method of a nano composite thermoelectric material in the technical field of preparation of nano thermoelectric materials. The improved preparation method comprises the following steps: smelting Cu, Se and La block raw materials into cast ingots by ado...
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creator | CHEN ZHE HE CUIQUN HUAN HEBO ZHANG JUNHONG HE XUELONG ZHOU JING HU RUI FU KAI XU GUODONG ZOU PEI YU XUEFENG XU FANG HUA YAO |
description | The invention discloses an improved preparation method of a nano composite thermoelectric material in the technical field of preparation of nano thermoelectric materials. The improved preparation method comprises the following steps: smelting Cu, Se and La block raw materials into cast ingots by adopting induction smelting equipment; the S powder weighed according to the chemical formula ratio and the crushed cast ingot thermoelectric material are put into a ball milling device together, and the ball milling device is used for grinding the S powder and the cast ingot thermoelectric material; in the grinding process, the ball-milling device can fully grind the unqualified cast ingots and powder, and the qualified powder can be fed into a graphite mold by the ball-milling device; placing the graphite mold loaded with the primary ball-milled powder in a spark plasma sintering cavity, and sintering the graphite mold into a block in a vacuum atmosphere; crushing the sintered blocks, and carrying out secondary ball |
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The improved preparation method comprises the following steps: smelting Cu, Se and La block raw materials into cast ingots by adopting induction smelting equipment; the S powder weighed according to the chemical formula ratio and the crushed cast ingot thermoelectric material are put into a ball milling device together, and the ball milling device is used for grinding the S powder and the cast ingot thermoelectric material; in the grinding process, the ball-milling device can fully grind the unqualified cast ingots and powder, and the qualified powder can be fed into a graphite mold by the ball-milling device; placing the graphite mold loaded with the primary ball-milled powder in a spark plasma sintering cavity, and sintering the graphite mold into a block in a vacuum atmosphere; crushing the sintered blocks, and carrying out secondary ball</description><language>chi ; eng</language><subject>CASTING ; CRUSHING, PULVERISING, OR DISINTEGRATING ; CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL ; MAKING METALLIC POWDER ; MANUFACTURE OF ARTICLES FROM METALLIC POWDER ; MILLING GRAIN ; PERFORMING OPERATIONS ; POWDER METALLURGY ; PREPARATORY TREATMENT OF GRAIN FOR MILLING ; TRANSPORTING ; WORKING METALLIC POWDER</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=20220415&DB=EPODOC&CC=CN&NR=114345524A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25566,76549</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220415&DB=EPODOC&CC=CN&NR=114345524A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHEN ZHE</creatorcontrib><creatorcontrib>HE CUIQUN</creatorcontrib><creatorcontrib>HUAN HEBO</creatorcontrib><creatorcontrib>ZHANG JUNHONG</creatorcontrib><creatorcontrib>HE XUELONG</creatorcontrib><creatorcontrib>ZHOU JING</creatorcontrib><creatorcontrib>HU RUI</creatorcontrib><creatorcontrib>FU KAI</creatorcontrib><creatorcontrib>XU GUODONG</creatorcontrib><creatorcontrib>ZOU PEI</creatorcontrib><creatorcontrib>YU XUEFENG</creatorcontrib><creatorcontrib>XU FANG</creatorcontrib><creatorcontrib>HUA YAO</creatorcontrib><title>Improved preparation method of nano composite thermoelectric material</title><description>The invention discloses an improved preparation method of a nano composite thermoelectric material in the technical field of preparation of nano thermoelectric materials. The improved preparation method comprises the following steps: smelting Cu, Se and La block raw materials into cast ingots by adopting induction smelting equipment; the S powder weighed according to the chemical formula ratio and the crushed cast ingot thermoelectric material are put into a ball milling device together, and the ball milling device is used for grinding the S powder and the cast ingot thermoelectric material; in the grinding process, the ball-milling device can fully grind the unqualified cast ingots and powder, and the qualified powder can be fed into a graphite mold by the ball-milling device; placing the graphite mold loaded with the primary ball-milled powder in a spark plasma sintering cavity, and sintering the graphite mold into a block in a vacuum atmosphere; crushing the sintered blocks, and carrying out secondary ball</description><subject>CASTING</subject><subject>CRUSHING, PULVERISING, OR DISINTEGRATING</subject><subject>CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL</subject><subject>MAKING METALLIC POWDER</subject><subject>MANUFACTURE OF ARTICLES FROM METALLIC POWDER</subject><subject>MILLING GRAIN</subject><subject>PERFORMING OPERATIONS</subject><subject>POWDER METALLURGY</subject><subject>PREPARATORY TREATMENT OF GRAIN FOR MILLING</subject><subject>TRANSPORTING</subject><subject>WORKING METALLIC POWDER</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyjEOwjAMBdAsDAi4gzkAQ2l6AFQVwcLEXlnprxopia3E4vwsHIDpLW_vpmfWKh8spBXKlS1KoQzbZCFZqXARCpJVWjSQbahZkBCsxkCZDTVyOrrdyqnh9PPgzvfpPT4uUJnRlAMKbB5fXed7PwxXf-v_OV9OQjPv</recordid><startdate>20220415</startdate><enddate>20220415</enddate><creator>CHEN ZHE</creator><creator>HE CUIQUN</creator><creator>HUAN HEBO</creator><creator>ZHANG JUNHONG</creator><creator>HE XUELONG</creator><creator>ZHOU JING</creator><creator>HU RUI</creator><creator>FU KAI</creator><creator>XU GUODONG</creator><creator>ZOU PEI</creator><creator>YU XUEFENG</creator><creator>XU FANG</creator><creator>HUA YAO</creator><scope>EVB</scope></search><sort><creationdate>20220415</creationdate><title>Improved preparation method of nano composite thermoelectric material</title><author>CHEN ZHE ; HE CUIQUN ; HUAN HEBO ; ZHANG JUNHONG ; HE XUELONG ; ZHOU JING ; HU RUI ; FU KAI ; XU GUODONG ; ZOU PEI ; YU XUEFENG ; XU FANG ; HUA YAO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN114345524A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2022</creationdate><topic>CASTING</topic><topic>CRUSHING, PULVERISING, OR DISINTEGRATING</topic><topic>CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL</topic><topic>MAKING METALLIC POWDER</topic><topic>MANUFACTURE OF ARTICLES FROM METALLIC POWDER</topic><topic>MILLING GRAIN</topic><topic>PERFORMING OPERATIONS</topic><topic>POWDER METALLURGY</topic><topic>PREPARATORY TREATMENT OF GRAIN FOR MILLING</topic><topic>TRANSPORTING</topic><topic>WORKING METALLIC POWDER</topic><toplevel>online_resources</toplevel><creatorcontrib>CHEN ZHE</creatorcontrib><creatorcontrib>HE CUIQUN</creatorcontrib><creatorcontrib>HUAN HEBO</creatorcontrib><creatorcontrib>ZHANG JUNHONG</creatorcontrib><creatorcontrib>HE XUELONG</creatorcontrib><creatorcontrib>ZHOU JING</creatorcontrib><creatorcontrib>HU RUI</creatorcontrib><creatorcontrib>FU KAI</creatorcontrib><creatorcontrib>XU GUODONG</creatorcontrib><creatorcontrib>ZOU PEI</creatorcontrib><creatorcontrib>YU XUEFENG</creatorcontrib><creatorcontrib>XU FANG</creatorcontrib><creatorcontrib>HUA YAO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CHEN ZHE</au><au>HE CUIQUN</au><au>HUAN HEBO</au><au>ZHANG JUNHONG</au><au>HE XUELONG</au><au>ZHOU JING</au><au>HU RUI</au><au>FU KAI</au><au>XU GUODONG</au><au>ZOU PEI</au><au>YU XUEFENG</au><au>XU FANG</au><au>HUA YAO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Improved preparation method of nano composite thermoelectric material</title><date>2022-04-15</date><risdate>2022</risdate><abstract>The invention discloses an improved preparation method of a nano composite thermoelectric material in the technical field of preparation of nano thermoelectric materials. The improved preparation method comprises the following steps: smelting Cu, Se and La block raw materials into cast ingots by adopting induction smelting equipment; the S powder weighed according to the chemical formula ratio and the crushed cast ingot thermoelectric material are put into a ball milling device together, and the ball milling device is used for grinding the S powder and the cast ingot thermoelectric material; in the grinding process, the ball-milling device can fully grind the unqualified cast ingots and powder, and the qualified powder can be fed into a graphite mold by the ball-milling device; placing the graphite mold loaded with the primary ball-milled powder in a spark plasma sintering cavity, and sintering the graphite mold into a block in a vacuum atmosphere; crushing the sintered blocks, and carrying out secondary ball</abstract><oa>free_for_read</oa></addata></record> |
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subjects | CASTING CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MILLING GRAIN PERFORMING OPERATIONS POWDER METALLURGY PREPARATORY TREATMENT OF GRAIN FOR MILLING TRANSPORTING WORKING METALLIC POWDER |
title | Improved preparation method of nano composite thermoelectric material |
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