JP7090784B1 - 熱処理システム、それが備える匣鉢及び熱処理方法 - Google Patents
熱処理システム、それが備える匣鉢及び熱処理方法 Download PDFInfo
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 181
- 238000000034 method Methods 0.000 title claims description 21
- 239000000843 powder Substances 0.000 claims abstract description 174
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 109
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 54
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 50
- 239000000956 alloy Substances 0.000 claims abstract description 50
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 26
- 239000007774 positive electrode material Substances 0.000 claims abstract description 25
- 238000011084 recovery Methods 0.000 claims description 34
- 238000004140 cleaning Methods 0.000 claims description 29
- 238000001816 cooling Methods 0.000 claims description 22
- 229910052782 aluminium Inorganic materials 0.000 claims description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 20
- 239000000919 ceramic Substances 0.000 claims description 20
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- 239000007795 chemical reaction product Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 abstract description 2
- 230000032258 transport Effects 0.000 description 35
- 238000011109 contamination Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000005192 partition Methods 0.000 description 6
- 239000011810 insulating material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000252203 Clupea harengus Species 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 235000019514 herring Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/26—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on or in trucks, sleds, or containers
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- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
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- F27—FURNACES; KILNS; OVENS; RETORTS
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- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/0033—Charging; Discharging; Manipulation of charge charging of particulate material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
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- F27D5/00—Supports, screens, or the like for the charge within the furnace
- F27D5/0006—Composite supporting structures
- F27D5/0012—Modules of the sagger or setter type; Supports built up from them
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- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
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Abstract
Description
図面を参照して、本実施例に係る熱処理システム1について説明する。図1に示すように、熱処理システム1は、匣鉢2と、熱処理炉110を備えている。
上記の実施例では、熱処理システム1は、バッチ式の熱処理炉110を備えていたが、このような構成に限定されない。例えば、図2及び図3に示すように、熱処理システム100は、搬送装置(52、54)によって匣鉢2を搬送しながら熱処理する熱処理炉10を備えていてもよい。
2、2a:匣鉢
3:本体
4:支持部
5:凹部
10:熱処理炉
14:炉体
20:熱処理部
40:冷却部
52:搬送ローラ
54:駆動装置
56:制御装置
60:供給装置
70:回収装置
80:清掃装置
90:循環搬送装置
92:管理装置
110:熱処理炉
112:炉体
120:棚板
Claims (11)
- リチウム正極材の粉体を収容する匣鉢と、
前記匣鉢に収容された前記粉体を熱処理する熱処理炉と、を備えており、
前記匣鉢は、前記粉体と接触する表面のみがニッケル基合金により形成されていると共に、前記表面以外の部分がセラミックで形成されており、
前記熱処理炉は、前記匣鉢に収容された前記粉体を、300℃以上1000℃以下の雰囲気温度で10時間以上30時間以下熱処理するように構成されている、熱処理システム。 - 前記ニッケル基合金は、アルミニウムを含有しており、
前記ニッケル基合金のアルミニウムの含有量は、1wt%以上10wt%以下である、請求項1に記載の熱処理システム。 - リチウム正極材の粉体を収容する匣鉢と、
前記匣鉢に収容された前記粉体を熱処理する熱処理炉と、を備えており、
前記匣鉢は、少なくとも前記粉体と接触する表面がニッケル基合金により形成されており、
前記ニッケル基合金は、アルミニウムを含有しており、
前記ニッケル基合金のアルミニウムの含有量は、1wt%以上10wt%以下であり、
前記熱処理炉は、前記匣鉢に収容された前記粉体を、300℃以上1000℃以下の雰囲気温度で10時間以上30時間以下熱処理するように構成されており、
前記匣鉢を雰囲気温度800℃の酸素雰囲気下で10時間だけ曝露したときに、前記匣鉢の表面に形成されるAl 2 O 3 膜の膜厚が1μm~1mmの範囲となる、熱処理システム。 - 前記熱処理炉は、酸素を含む雰囲気下で前記匣鉢に収容された前記粉体を熱処理する、請求項1~3のいずれか一項に記載の熱処理システム。
- 前記匣鉢に前記粉体を供給する供給装置と、
前記匣鉢から前記熱処理炉で熱処理された前記粉体を回収する回収装置と、
前記回収装置で前記粉体が回収された後の前記匣鉢の表面を清掃する清掃装置と、をさらに備えており、
前記清掃装置は、前記回収装置での前記粉体の回収後の前記匣鉢の表面から、前記匣鉢の表面に残留する粉体と、熱処理により発生した反応物と、を除去し、
前記匣鉢は、前記供給装置と前記熱処理炉と前記回収装置と前記清掃装置の間を循環して用いられる、請求項1~4のいずれか一項に記載の熱処理システム。 - 前記熱処理炉は、前記匣鉢に収容された前記粉体を熱処理する熱処理部と、前記熱処理部で熱処理された前記粉体を冷却する冷却部を備えている、請求項1~5のいずれか一項に記載の熱処理システム。
- 前記匣鉢は、上下方向に複数重ねて前記熱処理炉内に配置可能である、請求項1~6のいずれか一項に記載の熱処理システム。
- 前記匣鉢を雰囲気温度800℃の酸素雰囲気下で10時間だけ曝露したときに、前記匣鉢の表面に形成されるAl2O3膜の膜厚が1μm~1mmの範囲となる、請求項2に記載の熱処理システム。
- リチウム正極材の粉体を収容した状態で熱処理炉内に配置されて前記粉体を熱処理するための匣鉢であって、
前記匣鉢は、少なくとも前記粉体と接触する表面がアルミニウムを含有するニッケル基合金により形成されており、
前記ニッケル基合金は、雰囲気温度800℃の酸素雰囲気下で10時間だけ曝露したときに、前記ニッケル基合金の表面に形成されるAl2O3膜の膜厚が1μm~1mmの範囲となる、匣鉢。 - リチウム正極材の粉体を熱処理する熱処理方法であって、
匣鉢にリチウム正極材の粉体を供給する供給工程と、
前記匣鉢に供給された前記粉体を熱処理する熱処理工程と、を備えており、
前記匣鉢は、前記粉体と接触する表面のみがニッケル基合金により形成されていると共に、前記表面以外の部分がセラミックで形成されており、
前記熱処理工程では、前記匣鉢に供給された前記粉体を、300℃以上1000℃以下の雰囲気温度で10時間以上30時間以下熱処理する、熱処理方法。 - リチウム正極材の粉体を熱処理する熱処理方法であって、
匣鉢にリチウム正極材の粉体を供給する供給工程と、
前記匣鉢に供給された前記粉体を熱処理する熱処理工程と、を備えており、
前記匣鉢は、少なくとも前記粉体と接触する表面がニッケル基合金により形成されており、
前記ニッケル基合金は、アルミニウムを含有しており、
前記ニッケル基合金のアルミニウムの含有量は、1wt%以上10wt%以下であり、
前記熱処理工程では、前記匣鉢に供給された前記粉体を、300℃以上1000℃以下の雰囲気温度で10時間以上30時間以下熱処理し、
前記匣鉢を雰囲気温度800℃の酸素雰囲気下で10時間だけ曝露したときに、前記匣鉢の表面に形成されるAl 2 O 3 膜の膜厚が1μm~1mmの範囲となる、熱処理方法。
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CN202211132445.6A CN116136363A (zh) | 2021-11-18 | 2022-09-08 | 热处理系统、该热处理系统具备的匣钵以及热处理方法 |
US18/046,558 US20230155106A1 (en) | 2021-11-18 | 2022-10-14 | Heat treatment system, saggar and method of heat-treating |
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JP2015137814A (ja) | 2014-01-23 | 2015-07-30 | 住友金属鉱山株式会社 | 匣鉢とそれを用いた粉末の製造方法 |
JP2019121601A (ja) | 2018-01-08 | 2019-07-22 | 朱 性宇Xingyu Zhu | リチウムイオン電池電極材料焼成用匣鉢及び匣鉢の保護層 |
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