METHOD FOR PROCESSING LITHIUM ION BATTERY
PROBLEM TO BE SOLVED: To provide a method for processing a lithium ion battery capable of enhancing processing performance and reducing cost by sufficiently dissolving valuable metals in an exudate and making a large part of copper to be a solid state in an exudation process to simplify or omit a tr...
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| description | PROBLEM TO BE SOLVED: To provide a method for processing a lithium ion battery capable of enhancing processing performance and reducing cost by sufficiently dissolving valuable metals in an exudate and making a large part of copper to be a solid state in an exudation process to simplify or omit a treatment needed for removing copper dissolved in a post exudation liquid.SOLUTION: The method for processing a lithium ion battery includes a heating process for heating the lithium ion battery at 450°C to 650°C and an exudation process for leaching a battery powder obtained after the heating process with an exudate containing sulfuric acid of 0.9 to 1.5 times molar equivalent needed for dissolving all metal components contained in the battery powder and completing exudation before oxidation and reduction potential ORP value (silver/silver chloride potential basis) of the exudate becomes over 0 mV.SELECTED DRAWING: Figure 1
【課題】浸出工程で、浸出液に有価金属は十分に溶解させる一方で、銅の大部分は固体の状態とすることにより、浸出後液に溶解した銅の除去に要する処理を簡略化もしくは省略して、処理能率を向上させるとともにコストを低減させることのできるリチウムイオン電池の処理方法を提供する。【解決手段】この発明のリチウムイオン電池の処理方法は、リチウムイオン電池を処理する方法であって、リチウムイオン電池を４５０℃〜６５０℃に加熱する加熱工程と、加熱工程後に得られる電池粉末を、該電池粉末に含まれる全金属成分を溶解するのに必要な０．９〜１．５倍モル当量の硫酸を含む浸出液で浸出させ、浸出液の酸化還元電位ＯＲＰ値（銀／塩化銀電位基準）が、０ｍＶを超える前に浸出を終了する浸出工程とを含むものである。【選択図】図１ |
| format | Patent |
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【課題】浸出工程で、浸出液に有価金属は十分に溶解させる一方で、銅の大部分は固体の状態とすることにより、浸出後液に溶解した銅の除去に要する処理を簡略化もしくは省略して、処理能率を向上させるとともにコストを低減させることのできるリチウムイオン電池の処理方法を提供する。【解決手段】この発明のリチウムイオン電池の処理方法は、リチウムイオン電池を処理する方法であって、リチウムイオン電池を４５０℃〜６５０℃に加熱する加熱工程と、加熱工程後に得られる電池粉末を、該電池粉末に含まれる全金属成分を溶解するのに必要な０．９〜１．５倍モル当量の硫酸を含む浸出液で浸出させ、浸出液の酸化還元電位ＯＲＰ値（銀／塩化銀電位基準）が、０ｍＶを超える前に浸出を終了する浸出工程とを含むものである。【選択図】図１</description><language>eng ; jpn</language><subject>BASIC ELECTRIC ELEMENTS ; CHEMISTRY ; ELECTRICITY ; FERROUS OR NON-FERROUS ALLOYS ; METALLURGY ; PRETREATMENT OF RAW MATERIALS ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY ; PRODUCTION AND REFINING OF METALS ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2017</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=20170216&DB=EPODOC&CC=JP&NR=2017036489A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170216&DB=EPODOC&CC=JP&NR=2017036489A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>USUI SHOJIRO</creatorcontrib><title>METHOD FOR PROCESSING LITHIUM ION BATTERY</title><description>PROBLEM TO BE SOLVED: To provide a method for processing a lithium ion battery capable of enhancing processing performance and reducing cost by sufficiently dissolving valuable metals in an exudate and making a large part of copper to be a solid state in an exudation process to simplify or omit a treatment needed for removing copper dissolved in a post exudation liquid.SOLUTION: The method for processing a lithium ion battery includes a heating process for heating the lithium ion battery at 450°C to 650°C and an exudation process for leaching a battery powder obtained after the heating process with an exudate containing sulfuric acid of 0.9 to 1.5 times molar equivalent needed for dissolving all metal components contained in the battery powder and completing exudation before oxidation and reduction potential ORP value (silver/silver chloride potential basis) of the exudate becomes over 0 mV.SELECTED DRAWING: Figure 1
【課題】浸出工程で、浸出液に有価金属は十分に溶解させる一方で、銅の大部分は固体の状態とすることにより、浸出後液に溶解した銅の除去に要する処理を簡略化もしくは省略して、処理能率を向上させるとともにコストを低減させることのできるリチウムイオン電池の処理方法を提供する。【解決手段】この発明のリチウムイオン電池の処理方法は、リチウムイオン電池を処理する方法であって、リチウムイオン電池を４５０℃〜６５０℃に加熱する加熱工程と、加熱工程後に得られる電池粉末を、該電池粉末に含まれる全金属成分を溶解するのに必要な０．９〜１．５倍モル当量の硫酸を含む浸出液で浸出させ、浸出液の酸化還元電位ＯＲＰ値（銀／塩化銀電位基準）が、０ｍＶを超える前に浸出を終了する浸出工程とを含むものである。【選択図】図１</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CHEMISTRY</subject><subject>ELECTRICITY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>METALLURGY</subject><subject>PRETREATMENT OF RAW MATERIALS</subject><subject>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><subject>PRODUCTION AND REFINING OF METALS</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZND0dQ3x8HdRcPMPUggI8nd2DQ729HNX8PEM8fAM9VXw9PdTcHIMCXENiuRhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfFeAUYGhuYGxmYmFpaOxkQpAgB-LyT2</recordid><startdate>20170216</startdate><enddate>20170216</enddate><creator>USUI SHOJIRO</creator><scope>EVB</scope></search><sort><creationdate>20170216</creationdate><title>METHOD FOR PROCESSING LITHIUM ION BATTERY</title><author>USUI SHOJIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2017036489A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2017</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CHEMISTRY</topic><topic>ELECTRICITY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>METALLURGY</topic><topic>PRETREATMENT OF RAW MATERIALS</topic><topic>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</topic><topic>PRODUCTION AND REFINING OF METALS</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>USUI SHOJIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>USUI SHOJIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR PROCESSING LITHIUM ION BATTERY</title><date>2017-02-16</date><risdate>2017</risdate><abstract>PROBLEM TO BE SOLVED: To provide a method for processing a lithium ion battery capable of enhancing processing performance and reducing cost by sufficiently dissolving valuable metals in an exudate and making a large part of copper to be a solid state in an exudation process to simplify or omit a treatment needed for removing copper dissolved in a post exudation liquid.SOLUTION: The method for processing a lithium ion battery includes a heating process for heating the lithium ion battery at 450°C to 650°C and an exudation process for leaching a battery powder obtained after the heating process with an exudate containing sulfuric acid of 0.9 to 1.5 times molar equivalent needed for dissolving all metal components contained in the battery powder and completing exudation before oxidation and reduction potential ORP value (silver/silver chloride potential basis) of the exudate becomes over 0 mV.SELECTED DRAWING: Figure 1
【課題】浸出工程で、浸出液に有価金属は十分に溶解させる一方で、銅の大部分は固体の状態とすることにより、浸出後液に溶解した銅の除去に要する処理を簡略化もしくは省略して、処理能率を向上させるとともにコストを低減させることのできるリチウムイオン電池の処理方法を提供する。【解決手段】この発明のリチウムイオン電池の処理方法は、リチウムイオン電池を処理する方法であって、リチウムイオン電池を４５０℃〜６５０℃に加熱する加熱工程と、加熱工程後に得られる電池粉末を、該電池粉末に含まれる全金属成分を溶解するのに必要な０．９〜１．５倍モル当量の硫酸を含む浸出液で浸出させ、浸出液の酸化還元電位ＯＲＰ値（銀／塩化銀電位基準）が、０ｍＶを超える前に浸出を終了する浸出工程とを含むものである。【選択図】図１</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CHEMISTRY ELECTRICITY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | METHOD FOR PROCESSING LITHIUM ION BATTERY |
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